Design Analysis QDC-6700-E-0939, 'Loss of Voltage Relay ...

ATTACHMENT 4

Design Analysis QDC-6700-E-0939, "Loss of Voltage Relay Setpoint for Buses 13-1, 14-1, 23-1, and 24-1," Revision 001

---·--·--·-- ·-····- ------~ ··--------

ATTACHMENT 1 Design Analysis Cover Sheet

Page 1 f 1 a

CC-AA-309-1001 Revision 8

Design Analysis I Last Page No.• Attachment C, Page C16

Analysis No.:• QDC-6700-E-0939 Revision:' 001 Major 181 MinorD

Title:' Loss of Voltage Relay Setpoint for Buses 13-1, 14-1, 23-1, and 24-1

EC/ECR No.: • 400610 & 400611 Revision:' 000 & 000

Statlon(s): ' Quad Cities Component(s): "

Unit No.:• 01 & 02 1-6703-13-127-1 2-6704-24-127-1

Discipline: 0 ELDC 1-6703-13-127-2 2-6704-24-127-2

Descrip. Code/Keyword: 10 E07 1-6704-14-127-1

Safely/QA Class: " Safely Related 1-6704-14-127-2

System Code: " 867 (6700) 2-6703-23-127-1

Structure: ,, NIA 2-6703-23-127-2

CONTROLLED DOCUMENT REFERENCES"

Document No.: From/To Document No.: From/To

QDC-6700-1-0848 From MA-QC-773-524 From

QDC-6700-E-1498 From QDC-6700-E-2173 From

MA-QC-773-523 From

Is this Design Analysis Safeguards Information? " YesD No [8] If yes, see SY-AA-101-106

Does this Design Analysis contain Unverified Assumptions? " YesO No [8] If yes, ATl/AR#: N/A

This Design Analysis SUPERCEDES: " N/A In Its entirety.

Description of Revision (list changed pages when all pages of original analysis were not changed}: •• See

Preparer:,. J. Kolodziej -faLll.tb_!~r~J.fii7 l/-20-/.) Prinl.Noma Siat>:l'l.lnn\A Dalo

Method of Review: " Detailed Review [8] Alternate c7:;;;_ (atta~ed) O Testing D

Revfewer: ,, S. Saha - . ,,./ ~t._o.._. 1[-20 ··-IS-PrlnlNnmo - "/ Sign Noma Oola

Review Notes: " Independent review 181 Peer review 0

(For El!.1010211 Anal\'!CS lXlly) ~

M A""ff\<\'CW5 Q1. '(h J --, \I /;.>,,oj'1D \<; External Approver: " • ~

5 __.. Pd11t Namo ~ /7

s 7 __ 0010

Exelon Reviewer: " . -.Jc,,..5Jt:r- / t</-z't/fs

l1rlnlN:1mo ""S lo11N11mo Dale

Independent 3'd Party Review Reqd?" YesO No (8J J?Cc- I J2lr/;.J. Exelon Approver:" ___ ?,,._~. ~ 'v.l{l_gT 9 -rriol Name // Siqn Nnmo Dnl11 I ,

ATTACHMENT 2


Page 1A of 1C

Owner's Acceptance Review Checklist for External Design Analyses Page 1of3

Design Analysis No.: QDC-6700-E-0939 Rev: 001 Contract #: 00511302 Release #: 00234

No Question 1 Do assumptions have

sufficient documented rationale?

2

3

4

5

6

Are assumptions compatible with the way the plant is operated and with the licensing basis?

Do all unverified assumptions have a tracking and closure mechanism in place?

Do the design inputs have sufficient rationale?

Are design inputs correct and reasonable with critical parameters identified, if a ro riate? Are design inputs compatible with the way the plant is operated and with the licensin basis?

Instructions and Guidance All Assumptions should be stated in clear terms with enough justification to confirm that the assumption is conservative.

For example, 1) the exact value of a particular parameter may not be known or that parameter may be known to vary over the range of conditions covered by the Calculation. It is appropriate to represent or. bound the parameter with an assumed value. 2) The predicted performance of a specific piece of equipment in lieu of actual test data. It is appropriate to use the documented opinion/position of a recognized expert on that equipment to represent predicted equipment performance. Consideration should also be given as to any qualification testing that may be needed to validate the Assumptions. Ask yourself, would you provide more justification if you were performing this analysis? If yes, the rationale is likely incom lete. Ensure the documentation for source and rationale for the assumption supports the way the plant is currently or will be operated post change and they are nqt in conflict with any design parameters. If the Analysis purpose is to establish a new licensing basis, this question can be answered yes, if the assum tion su orts that new basis. If there are unverified assumptions without a tracking mechanism indicated, then create the tracking item either through an ATI or a work order attached to the implementing WO. Due dates for these actions need to support verification prior to the analysis becoming operational or the resultant lant chan e bein o authorized.

The origin of the input, or the source should be identified and be readily retrievable within Exelon's documentation system. If not, then the source should be attached to the analysis. Ask yourself, would you provide more justification if you were performing this analysis? If yes, the rationale is likely incom lete. The expectation is that an Exelon Engineer should be able to clearly understand which input parameters are critical to the outcome of the analysis. That is, what is the impact of a change in the parameter to the results of the analysis? If the im act is lar e, then that arameter is critical. Ensure the documentation for source and rationale for the inputs supports the way the plant is currently or will be operated post change and they are not in conflict with any design parameters.

Yes I No I NIA

ATTACHMENT 2

CC·AA-103-1003 Revision 12

Page 8 of 11

Owner's Acceptance Review Checklist for External Design Analyses Page 2of3

Design Analysis No.: QDC·6700·E·0939 Rev: 001

No Question Instructions and Guidance Yes/ No IN/A 7 Are Engineering See Section 2.13 in CC-AA-309 for the attributes that are

Judgments clearly sufficient to justify Engineering Judgment. Ask yourself, documented and would you provide more justification if you were performing 'ustified? this anal sis? If es, the rationale is likel incom lete.

8 Are Engineering Ensure the justification for the engineering judgment Judgments compatible supports the way the plant is currently or will be operated with the way the plant is post change and is not in conflict with any design operated and with the parameters. If the Analysis purpose is to establish a new licensing basis? licensing basis, then this question can be answered yes, if

the "ud ment su orts that new basis. 9 Do the results and Why was the analysis being performed? Does the stated

conclusions satisfy the purpose match the expectation from Exelon on the proposed purpose and objective of application of the results? If yes, then the analysis meets the Desi n Anal sis? the needs of the contract.

10 Are the results and Make sure that the results support the UFSAR defined conclusions compatible system design and operating conditions, or they support a with the way the plant is proposed change to those conditions. If the analysis operated and with the supports a change, are all of the other changing documents licensin basis? included on the cover sheet as im acted documents?

11 Have any limitations on Does the analysis support a temporary condition or the use of the results procedure change? Make sure that any other documents been identified and needing to be updated are included and clearly delineated in transmitted to the the design analysis. Make sure that the cover sheet appropriate includes the other documents where the results of this or anizations? anal sis rovide the in ut.

12 Have margin impacts Make sure that the impacts to margin are clearly shown been identified and within the body of the analysis. If the analysis results in documented reduced margins ensure that this has been appropriately appropriately for any dispositioned in the EC being used to issue the analysis. negative impacts (Reference ER-AA-2007?

13 Does the Design Are there sufficient documents included to support the Analysis include the sources of input, and other reference material that is not applicable design basis readily retrievable in Exelon controlled Documents? documentation?

14 Have all affected design Determine if sufficient searches have been performed to analyses been identify any related analyses that need to be revised along documented on the with the base analysis. It may be necessary to perform Affected Documents List some basic searches to validate this. (AOL) for the associated Confi uration Chan e?

15 Do the sources of inputs Compare any referenced codes and standards to the current and analysis design basis and ensure that any differences are reconciled. methodology used meet If the input sources or analysis methodology are based on committed technical and an out-of-date methodology or code, additional reconciliation regulatory may be required if the site has since committed to a more re uirements? recent code

ATTACHMENT 2


Page 9 of 11

Owner's Acceptance Review Checklist for External Design Analyses Page3 of 3

Design Analysis No.: QOC-6700-E-0939 Rev: 001

No Question 16 Have vendor supporting

technical documents and references (including GE DRFs) been reviewed when necessar ?

17 Do operational limits support assumptions and in uts?

Instructions and Guidance Yes I No I NIA Based on the risk assessment performed during the pre-job brief for the analysis (per HU-AA-1212), ensure that sufficient reviews of any supporting documents not provided with the final analysis are performed.

Ensure the Tech Specs, Operating Procedures, etc. contain operational limits that support the analysis assumptions and in uts.

Create an SFMS entry as required by CC-AA-4008. SFMS Number: 52724

I Analysis No. QDC-6700-E-0939 Revision 001 PAGE 2 of20 I

Revision Summary Revision 000:

Initial Issue

The purpose of this calculation is to evaluate relay setpoint errors associated with an extended 24 month calibration interval, to ensure adequate margin between the Analytical Limit (AL) and the setpoint. A calculation is performed to determine the allowable values and expanded tolerances. The relay reset time is evaluated.

Revision 001:

The calculation was revised to evaluate the loss of voltage relay setpoint due to new analytical limits established by Calculation QDC-6700-E-2173. The new analytical limits supersede the previous analytical limits in TODI QDC-00-039-01, which were previously used in revision 0 of the calculation. This calculation recommends a new loss of voltage relay setpoint and re-evaluates the setpoint errors, allowable values, and expanded tolerances. This revision also incorporates "OCR 990725, which modified the EPN's for the loss of voltage relays that are referenced in the calculation. Portions of the calculation text that have been revised are identified with a revision bar in the right margin. Pages 1-4, 9-13, and 16-20 have been revised. Pages 1A-1C have been added. Attachment C has been replaced in its entirety, and Attachment D has been deleted.

I Analysis No. QDC-6700-E-0939 Revision 001 PAGE 3of20 I

DESIGN ANALYSIS TABLE OF CONTENTS

SECTION PAGE NO. SUB-PAGE NO.

Design Analysis Coversheet 1

Owner's Acceptance Review Checklist for External Design Analyses 1A-1C I Revision Summary 2

Table of Contents 3

1.0 Purpose 4

2.0 Methodology and Acceptance·Criteria 5

3.0 Assumptions 8

4.0 Design Input 9

5.0 References 11

6.0 Calculations 13

7.0 Summary and Conclusions 19

8.0 Attachments 20

Attachment A - GE Catalog Cut for IAV69 Relay (6 pgs) A1-A6

Attachment B - GE Instrument Manual GEl-908100 (8 pgs) 81-88

Attachment C - Passport Data - LOV Relay Settings (16 pgs} C1 -C16 I

I Analysis No. QDC-6700-E-0939 Revision 001 PAGE 4 of 20 I

1.0 PURPOSE

The purpose of this calculation is to evaluate relay setpoint errors associated with an extended 24 month calibration interval, to ensure adequate margin between the Analytical Limit (AL) and the setpoint.

In addition, a calculation is performed to determine the allowable values and expanded tolerances.

Lastly, the relay reset time will be evaluated.

The analytical limits (i.e. the analytical limits associated with the loss of voltage relay) are based on Calculation QDC-6700-E-2173 (Ref. 5.6.3).

This calculation is applicable for both normal and accident operating conditions. This calculation is applicable for the following undervoltage relays that perform the Loss of Voltage identification function at the Emergency Safe shutdown (ESS) buses 13-1, 14-1, 23-1, and 24-1 and initiate load shedding at these buses:

1 (2)-6703-1 (2)3-127-1 1 (2)-6703-1 (2)3-127-2 1 (2)-6704-1 (2)4-127-1 1 (2)-6704-1 (2)4-127-2

Based on the component classification for the subject equipment (Ref. 5.6.1 ), this calculation is classified as safety-related.


2.0 METHODOLOGY AND ACCEPTANCE CRITERIA

2.1 Basic Methodology

This calculation is performed in accordance with NES-EIC-20.04 (Ref. 5.1.2) and the main body of Reference 5.1.3 with the clarifications and additions identified below. Appendix 1 of Reference 5.1.3 does not apply to this calculation because the Appendix is a documentation of guidelines for the ComEd calculations prepared under a different scope of work. However, where the setting tolerance (ST) is greater that the drift tolerance interval (DTlc), the methodology identified on page 23 of Reference 5.1.3 (part of Appendix 1) is used to determine loop random errors.

2.2 Classification Level

A Level 1 evaluation is performed which provides the highest level of confidence as defined in Appendix D of NES-EIC-20.04 (Ref. 5.1.2). As a Level 1 evaluation, the random errors (a) are converted to a 2cr value and added to the non-random errors (2:e). Thus, the total error (Z) is

z = 2a +re

2.3 Vendor Specifications

Published instrument vendor specifications are considered to be based on sufficiently large samples so that the probability and confidence level meets the 2a criteria, unless stated otherwise by the vendor.

2.4 Negligible Uncertainties

Per Appendix I of NES-EIC-20.04 (Ref. 5.1.2), the effects of radiation (eR), humidity (eH), power supply (eV), calibration standard equipment (STD), and seismic (eS) under normal operating conditions may typically be considered negligible. For the evaluation of nonnal operating conditions, these errors are considered negligible unless otherwise noted.

2.5 Other Environmental Effects

For environmental effects not considered negligible (Section 2.4), if the vendor does not provide a separate specification but the environmental limits are bounded by the vendor operating limits, then the effect is considered included in the reference accuracy.

2.6 Drift Specifications

The calculated drift specification (Drift Tolerance Interval - DTlc) based on As-Left I As-Found data is used in place of the specifications for reference accuracy (RA), calibration error (CAL), setting tolerance (ST) and drift (DR).

2.7 Seismic

Seismic effects associated with instrumentation at or below those classified as an


OBE are considered negligible. Where the seismic event, which itself is considered the single eventfrom a Licensing viewpoint, is greater than an OBE, then the instrumentation shall be re-calibrated prior to Station operation and therefore not required to be evaluated in this uncertainty calculation.

2.8 Calculated Setpoint

A calculated setpoint will be determined utilizing the following equations from Appendix C of Reference 5.1.2 where applicable:

SPc ~AL+ z+ +MAR

SPc s AL - 1z-1 - MAR

where, SPc: is the calculated setpoint AL: is the Analytical Limit

[lower limit]

[upper limit]

z+, z·: is the total error (positive, negative) for the device including all estimated effects MAR: is a selected margin used to provide additional conservatism

Note: The names of the terms in the generic equations shown above may be modified in accordance with specific loop designations.

The errors (Z) included in the determination of the calculated setpoint are all applicable instrument errors and environmental effects.

The calculated setpoint is determined using DTlc (See Section 2.6).

2.9 Allowable Value

An allowable value will be determined utilizing the following equations from Appendix C of Reference 5.1.2 as applicable:

AV ~ SPc- IZav+I

AV s SPc + IZAv-1

where, AV: is the allowable values SPc: is the calculated setpoint Zav+, Zav·: is the total error (positive, negative) for the device including all estimated effects

Note: The names of the terms in the generic equations shown above may be modified in accordance with specific loop designations.

The errors that are included for the determination of the allowable values (Zav) are only those applicable during calibration. Thus only reference accuracy (RA), calibration errors (CAL), setting tolerance (ST), drift (DR) and if applicable, the input error {oin) are included. If DTlc is available, RA, CAL, ST, and DR errors are replaced by the calculated drift (DTlc). '

I Analysis No. QDC-6700-E-0939 Revision 001 PAGE7of20 I

2.10 Expanded Tolerances (ET)

Expanded tolerances are determined for the devices as follows, in keeping with the intent of Reference 5.1.2, Appendix C, and ER-AA-520 (Reference 5.1.4) Attachment 1.

a. ET = ± [O. 7 * (Zav - ST) + ST b. If any of the tolerances determined using the equations above results in an

expanded tolerance (ET) value that is less than the setting tolerance (ST}, then ET = ST is specified.

The expanded tolerance is specified as an acceptable tolerance for as-found values. It is expected that the calibration setting tolerance is still utilized as the asleft tolerance.

2.11 Relay Reset Time

This calculation will determine the nominal relay reset time using the vendor's curves. The Relay Reset Time is calculated for information only.

2.12 Acceptance Criteria

The acceptance criteria for this calculation is such that the field calibration setpoints (SPf) associated with the subject instrument loops are set such that they are bounded by the calculated setpoint (SPc).

There are no acceptance criteria for the allowable value determination. The allowable value is calculated in accordance with the methodology and the results are provided for use.

The expanded tolerances are determined in accordance with Section 2.10 and are acceptable if the result is greater than or equal to the applicable setting tolerance and do not result in a violation of an applicable limit.

There are no acceptance criteria for the relay reset time as it is calculated for information only.


3.0 ASSUMPTIONS

3.1 When considering the relay reset time, the higher the voltage during reset, the faster the relay reset time (Ref. 5. 7.2). Thus, to be conservative, a reset bus voltage of 105% of bus rated voltage will be used. This is conservative and does not require verification.


4.0 DESIGN INPUT

4.1 Instrument Channel Configuration

Per References 5.3.1, 5.3.2, and 5.3.3, the undervoltage relay is used to detect a loss of voltage at 4 kV ESS buses (13-1, 14-1, 23-1, and 24-1). Hence, the undervoltage relay is considered the first and only module in the loop making this a single module bistable loop.

Loss of Voltage at 4 kV ~------------, ESS Buses Under Voltage Relay

1 (2)-6703-1 (2)3-127-1 ___ __,-~ 1 {2)-6703-1 (2)3-127-2

1 (2)-6704-1 (2)4-127-1 1 (2)-6704-1 (2)4-127-2

Initiate Load Shedding

4.2 Loop Element Data

Voltaae Relav Reference EPN 1 (2)-6703-1 (2)3-127-1 Ref. 5.3

1 (2)-6703-1 (2)3-127-2 1 (2)-6704-1 (2)4-127-1 1 (2)-6704-1 (2)4-127-2

Manufacturer General Electric Ref. 5.6.1 Model No. 121AV69A1A Ref. 5.6.1 Tap RanQe 55-140V Ref. 5.7.1 Available Taps for Overvoltage 55,64, 70,82,93, 105, Ref. 5.7.1 (OV) Settin!:I 120 140V Undervoltage (UV) Setting as a 60, 70, 80, 90, 95% Ref. 5.7.2 % of Overvoltage Setting Reference Accuracy ± 5% of OV tap setting Ref. 5.7.2

times UV setting

Potential Transfonner Reference EPN Not assigned EPNs Ref. 5.6.2 Manufacturer General Electric Ref. 5.6.2 Model No. JVM-3; Catalog #643X94 Ref. 5.6.2 Voltage Ratio 4200-120 Ref. 5.6.2 Accuracy Class 0.3W,X, M, Y Ref.5.6.2 Freauencv 50 Hz 60 Hz Ref. 5.6.2 Reference Accuracy 750VA@ 55°C above 30°C ambient Ref. 5.6.2

500VA@ 30°C above 55°C ambient BIL (Basic Impulse 60kV Ref. 5.6.2 Insulation Level)

4.3 Local Service Environments

Per Reference 5.3, the Loss of Voltage Relays 1 (2)-6703-1 (2)3-127-1, 1 (2)-6703-1 (2)3-127-2, 1(2)-6704-1(2)4-127-1, and 1(2)-6704-1(2)4-127-2 are located in Buses 13-1, 14-1, 23-1, and 24-1. Per references 5.3.5 & 5.4.2, these buses are located on Elevation 647'-6" of the Unit 1 and 2 Turbine Buildings. Both normal


and accident operating conditions are evaluated.

The conditions that are evaluated are summarized below based on References 5.4.1, 5.4.2, & 5.4.3 for normal and worst case environmental conditions.

Panel Bus 13-1 /Bus 14-1 Bus 23-1 / 24-1 Location (Row-Column) H-14/ H-16 H-10 I H-12 Elevation 647'-6" EQ Zone EQ Zone 35

Normal Operating Conditions LOCA Conditions Ambient Temoerature 65-120°F 120°F Ambient Pressure 14.7 osia 14.7 psia Humidity 20 to 90% RH 100%{NC) RH Radiation <1.0E04 RADS (40 Yrs.) 1.0E04 RADS (30-day)

4.4 Calibration Procedure Data

Per the most recent Passport data (Ref. 5.5.1 ), the current, existing settings for the Loss of Voltage relays are provided below. In addition, the surveillance interval is provided.

Setooint Settina 83.7 v * Ref. 5.5.1 Settino Tolerance ± 1.7V Ref. 5.5.1 Surveillance Interval (SI) 24 months Ref. 5.1.3 • Note that this value is based on an overvoltage tap setting of 93V and an undervoltage setting of 90% of the OV tap setting (93V x 90% = 83. 7V)

4.5 Analytical Limit (AL)

Per Reference 5.6.3, the Loss of Voltage relay Analytical Limit (AL) is 2938 V :s AL s 3246 V at the bus. These voltages are transformed to a control voltage through a PT with a turns ratio of 35:1 (Ref. 5.5.1 ).

Control Voltage = Bus Voltage I 35 Control Voltage (lower limit) = 2938 I 35 Control Voltage (upper limit) = 3246 I 35

= 83.95 = 92.74

Thus, the transformed control voltage AL band is 83.95 Vs AL s 92.74 V.

4.6 Calculated Drift Specifications

Per Calculation QDC-6700-1-0848 (Ref. 5.6.1 ), the 2a drift for 24 months surveillance interval (30 months with late factor) is a random ± 1.889 V with negligible bias.

I Analysis No. QDC-6700-E-0939 Revision 001

5.0 REFERENCES

5. 1 METHODOLOGY

5.1.1 ANSl/ISA-S67.04-1994, "Setpoints for Nuclear Safety Related Instrumentation."

PAGE 11of20 I

5.1.2 NES-EIC-20.04, Rev. 2, "Analysis of Instrument Channel Setpoint Error and Loop Accuracy."

5.1.3 "Improved Technical Specifications (ITS) and 24-Month Technical Specifications Project Technical Plan.", Revision 2 dated 04/28/2000

5.1.4 ER-AA-520, Rev. 4, "Instrument Performance Trending"

5.2 PROCEDURES

5.2.1 CC-AA-309-1001, Rev. 8, "Guidelines for Preparation a('ld Processing of Design Analyses"

5.2.2 MA-QC-773-523, Rev. 10, "Quad Cities NOAD Unit 1 Tech Spec Undervoltage Relay and Degraded Voltage Relay Calibration"

5.2.3 MA-QC-773-524, Rev. 7, "Quad Cities NOAD Unit 2 Tech Spec Undervoltage Relay and Degraded Voltage Relay Calibration"

5.3 DRAWINGS

5.3.1 Quad Cities Schematic Drawings

4E-1345, Sheet 2, Rev. BA, "4160V Bus 13-1 Standby Diesel 1/2 Feed Breakers" 4E-1346, Sheet 2, Rev. AT, "4160V Bus 14-1 Standby Diesel 1 Feed & 24-1 Tie Breaker" 4E-2345, Sheet2, Rev. AP, "4160V Bus 23-1 4kV Standby Diesel 112 Feed Breaker" 4E-2346, Sheet 2, Rev. AL, "4160V Bus 24-1 Standby Diesel 2 Feed & 24-1 Tie Breaker"

5.3.2 Quad Cities Single Line Drawings

4E-1301, Sheet3, Rev. AG 4E-2301, Sheet 3, Rev. AA

5.3.3 Quad Cities Relaying and Metering Diagram

4E-1334, Rev. AA, "4160V Switchgear Buses 13-1 and 14-1" 4E-2334, Rev. AA, "4160V Switchgear Buses 23-1 and 24-1"

5.3.4 Quad Cities Internal Schematic and Device Location Diagram

4E-1655D, Rev. D, "4160V Switchgear Bus 13-1, Cubicle 2"


4E-1656G, Rev. R, "4160V Switchgear Bus 14-1, Cubicle 9" 4E-2655K, Rev. K, "4160V SWGR Bus 23-1, Cubicle 9" 4E-2656D, Rev. J, "4160V Switchgear Bus 24-1, Cubicle 2"

5.3.5 Quad Cities Internal Other Drawings

M-3, Rev. J, "General Arrangement - Main Floor Plan"

5.4 ENVIRONMENTAL PARAMETERS

PAGE 12 of 20 I

5.4.1 Drawing M-4A, Sht. 1, Rev. D, "Environmental Zone Map (Basement Floor Plan) Elevation 554'-0" Figure 1"

5.4.2 Drawing M-4A, Sht. 4, Rev. C, "Environmental Zone Map (Main Floor Plan) Elevation 647'-6" Figure 4"

5.4.3 Quad Cities UFSAR, Rev. 5, dated June 1999, Section 9.4.4, "Turbine Building Area Ventilation System"

5.5 OTHER STATION DOCUMENTS

5.5.1 Passport Database - Loss of Voltage Relay Settings (Attachment C)

5.6 CALCULATIONS

5.6.1 QDC-6700-1-0848, Rev. O, "Instrument Drift Analysis of General Electric Model 121AV69A1A Voltage Relays for 4.16 kV Emergency Bus (Loss of Voltage)"

5.6.2 QDC-6700-E-1498, Rev. 1, "Second Undervoltage Relay Setpoint"

5.6.3 QDC-6700-E-2173, Rev. 0, "Evaluation of Degraded Voltage 5 Minute Timer on Normally Running Safety-Related Loads"

5.7 VENDOR DOCUMENTS

5.7.1 General Electric Protection and Control Catalog, Catalog GEZ-7723A, Pages 11-3 to 11-6 (Attachment A).

5.7.2 General Electric Instructions for Voltage Relay Type IAV69A & IAV69B, GEl-9081 OD (Attachment 8).

5.8 Miscellaneous References

None.

I Analysis No. QDC-6700·E-0939 Revision 001 PAGE 13 of 20 I

6.0 CALCULATIONS

6.1 Process/ Input Error Evaluation

The potential transformer (PT} has a standard published error of± 0.3% (Ref. 5.6.2).

The burden on the PT is within the standard test burden of the PT. Therefore, the maximum error of 0.3% will be considered in this calculation.

Therefore,

e1p = 120 V * 0.003 = 0.36 v

6.2 Loss of Voltage Relay (Module 1) Errors

6.2.1 Module 1 - Random Errors

6.2.1.1 Standard Specifications (RA, CAL, ST, DR}

The Loss of Voltage relay's standard specifications of reference accuracy (RA}, calibration errors (CAL}, setting tolerances (ST}, and drift (DR} are considered included in the calculated drift (DTlc) per Section 2.6. Thus, these errors are not included in the errors evaluated by this calculation.

6.2.1.2 As·Left I As-Found Drift Data (DTI 1 c}

Per Section 4.6, the 2o calculated drift is ± 1.889 V. Thus,

DTl1c = ± 1.889 V / 2 DTl1c = ± 0.945 V [1o]

6.2.1.3 Random Input Errors (o1 in}

There are no random input errors for this instrument (Ref. 5.1.2). Thus,

!1in = 0 sec

6.2.1.4 Total Random Errors ( o1}

Per Section 2.8, all potential errors are used in calculating the setpoint. Per Section 6.2.1.2, the calculated drift DTl1c is used in place of RA, CAL, ST, and DR. Therefore the total random errors for the calculation of the setpoint are

o1 = ± [ DTl1c2 + o1in2 ]y, o1 = ± [ (0.945 V}2 + (0 V)2 Jy, cr1 = ± 0.945 V [1crJ


Per Section 2.9, DTl1c is used for the allowable value random errors for single module loops. Thus,

o1av = DTl1c o1av = ± 0.945 V

6.2.2 Module 1 - Random Errors

6.2.2.1 Temperature Effects {e1T)

[1 cr]

There are no specific temperature errors described in the vendor's specification for the undervoltage relay. From Section 4.3 and Reference 5.4.1, the environmental temperature at the relay location is 65°F to 120°F under normal operating conditions, and 120°F maximum during a LOCA. As stated above, the vendor provides no information regarding the operating temperature range and any associated impact on the reference accuracy of the relay. Therefore the error is considered to be included in the reference accuracy specification.

e1T = O V

6.2.2.2 Ambient Pressure Effects (e1 P)

The voltage relay is an electrical device and as such is not affected by ambient pressure changes (Ref. 5.1.2). Therefore,

e1P = OV

6.2.2.3 Humidity Effects (e1 H)

For LOCA conditions or for a LOCA in the opposite unit, the humidity levels outside the drywell are specified as 100% (NC) or lower (Ref. 5.4.1 & 5.4.2). Appendix I of NES-EIC-20.04 (Ref. 5.1.2) recommends consideration of humidity effects in a condensing environment. Therefore, since the environment is non-condensing in this situation, humidity effects are still considered negligible unless specifications by the vendor indicate otherwise.

There are no humidity errors described in the vendor's specification for the devices. As discussed above, the humidity effects are considered to be negligible. Therefore,

e1H =av 6.2.2.4 Power Supply Effects (e1V)

There are no power supply errors specified in the vendor specification for the voltage relay. Per Section 2.4, these errors are considered negligible with respect to other error terms. Therefore,

e1V = OV


6.2.2.5 Radiation Effects (e1 R)

Per Section 2.4, radiation effects are considered included in the reference accuracy or capable of being calibrated out for normal conditions. Per Section 4.3, there are no changes in radiation level from normal to post-LOCA conditions. Thus,

e1R = 0 V

6.2.2.6 Seismic Effects (e1 S)

Per Section 2.7, seismic effects are not included in this calculation. Thus,

e1S = OV

6.2.2.7 Insulation Resistance Effects (e11R)

This is a single module bistable loop per Section 4.1 and IR leakage errors are not applicable (Ref. 5.1.2). Therefore,

e11R =OV

6.2.2.8 Process Error Effects (e1p)

Per Section 6.1, the process error effects are:

e1p = 0.36 V

6.2.2.9 As-Found I As-Left Drift Bias Effects (e1 DTlc)

Per Section 4.6, the bias drift effect is +0.000 1-0.000 V. Thus,

e1 DTlc= +0.000 VI -0.000 V

6.2.2.1 O Non-Random Input Errors (e1 in)

There are no input errors associated with the voltage relays, Thus,

e1in =OV

6.2.2.11 Total Non-Random Errors (I:e1)

I:e1+ = e1T + e1P + e1H + e1V + e1R + e1S + e11R + e1p+ + e1DTlc+ + e1in re1+ = + (O v + o v + o v + o v + o v + o v + o v + 0.36 v + o v + o V)

re1+ = +0.36 v

re1· = e1T + e1P +e1H + e1V + e1R + e1S + e11R + e1p· + e1DTtc· + e1in rer = -(O v + o v + o v + o v + o v + o v + o v + o.36 v + o v + o V)

rer = -0.36 v

----·--------------· .


In accordance with Section 2.9, only the drift bias effect is included as nonrandom error applicable for the determination of the allowable value. Thus,

I:e1av = e1 DTlc

I:e1av = +0.000 V / -0.000 V

6.3 Total Errors

In accordance with Section 2.2, the total errors for determining the calculated setpoint are

z+ = 2*cr1 + I:e1 +

z+ = 2 * o.945 v + o.36 v

z+ = + 2.25 v

z· = 2*cr1 + re1· z· = 2 * (-0.945 V) + (-0.36 V)

z- = -2.25 v In accordance with Section 2.9, the total errors for determining the Allowable Value are

Zav+ = 2*cr1 av + I:e1 av• Zav• = 2 * 0.945 V + 0.000 V

Zav• = + 1.89 V

Zav· = 2*cr1av + I:e1av· Zav· = 2 * (-0.945 V) + (-0.000 V)

Zav· = - 1.89 V

6.4 Calculated Setpoint

The values calculated for the parameters associated with the calculated setpoint are

AL z

s 92.74 v = + 2.25 v

AL I

~ 83.95 v -2.25 v

[Section 4.5] [Section 6.3]

Per Reference 5.6.1, The DTl1c is calculated based on sufficiently large historical data, and per Reference 5.1.2, additional margin may be omitted in calculating the setpoint. Thus,

MAR = 0 V


Therefore, in accordance with Section 2.8, the calculated setpoint for an upper limit is

SPc(UL) SPc(UL) SPc(UL)

SPc(LL) SPc(LL) SPc(LL)

s AL(Ul) - 1z-1- MAR s 92.74 V-2.25 V-0 V s 90.49 v

~ AL(LL) + z+ + MAR G: 83.95 v + 2.25 v + 0 v ~ 86.20 v

[upper limit]

[lower limit]

Per Section 4.4, the field calibration setpoint (SPf) for this loop is 83. 7 V. The existing field calibration setpoint value is not within the calculated setpoint limits of ~ 86.20 V (83.95 V+2.25 V) ands 90.49 V (92.74 V-2.25 V).

Using the next available undervoltage setting from Section 4.2, the new recommended field calibration setpoint is 88.35 V (93 V overvoltage tap * 95 % undervoltage setting). This new field calibration setpoint is bounded by the calculated setpoint and is therefore acceptable.

6.5 Allowable Value

The values calculated for the parameters associated with the allowable value are

SPc(UL) s 90.49 V SPc(LL) ~ 86.20 V [Section 6.4] Zav = + 1.89V I - 1.89 V [Section 6.3]

Therefore, in accordance with Section 2.9, the calculated allowable value is

AV(UL) AV(UL) AV(UL)

AV(LL) AV(LL) AV(LL)

6.6 Expanded Tolerances

s SPc + IZav-1 s 90.49 v +1.89 v s 92.38 v

~ SPc - IZav+I ::!: 86.20 v - 1.89 v ::!: 84.31 v

[upper limit]

[lower limit]

The values for the parameters of interest associated with expanded tolerances are

Zav = + 1.89 VI - 1.89 V ST = ± 1.7

{Section 6. 3] [Section 4.4}

The following equation will be used to calculate the expanded tolerance. The Zav value used to calculate the allowable value (AV) will also be the Zav value used to calculate the expanded tolerance (ET).

ET = ± [O. 7 * (IZavj - ST) + ST]


ET(UL)= + (0.7 * (IZavl -ST)+ sn ET(UL)= + (0.7 * (1.89-1.7) + 1.7) V ET(UL)= + 1.83 V

ET(LL}= - [O. 7 * (IZavl - ST} + ST] ET(LL}= -[0.7 * (1.89-1.7) + 1.7] V ET(LL)= - 1.83 V

PAGE 18 of 20 I

[upper limit]

[lower limit]

The selected expanded tolerance is now checked to ensure that the applicable limits are not violated.

Check 1:

Check2:

ET :::: ET(UL) :::: + 1.83 v ::::

ET s ST(LL) s - 1.83 v s

SPf +ET s

SPf + ET(UL} = SPf + ET(UL} = AV(UL) =

SPf- ET 2:

SPf - ET(LL) = SPf - ET(LL) = AV(LL} =

6. 7 Relay Reset Time

ST? ST + 1.7 v

ST? ST -1.7 v

AV?

88.35 v + 1.83 v 90.18 v 92.38 v

AV?

88.35V + (-1.83 V) 86.52

. 84.31

Pass

Pass

[upper limit]

Pass

[lower limit]

Pass

Before the reset time can be read from the time-voltage characteristic curve, the reset voltage value as a.percent of tap value is required. The tap setting is 93 V (Section 6.4). The rated voltage of the 4kV bus is 4160V (Ref. 5.5.4). From Assumption 3.1, the voltage reset value will be 105% of the bus rated voltage. Lastly, the PT ratio is 4200-120 V {Section 4.2). Thus, the reset voltage value as a percent of tap value can be calculated as follows:

% of tap value = =

4160V * 1.05 (120/4200} * (1/93 V) * 100% 134%

The undervoltage setting as a % of overvoltage tap setting is 95% {Section 6.4)

Using the above two pieces of information and the time-voltage characteristic curve from the vendor data (Ref. 5. 7.2), a relay reset time of 1.35 seconds is derived.


7.0 SUMMARY AND CONCLUSIONS

The results summarized below are applicable for normal and accident operating conditions. This calculation revises the setting tolerances for the loss of voltage relays.

7.1

7.2

Calculated Values Summary

Calculated Setpoint: ~ 86.20 V and s 90.49 V ;::: 3017 Vand s 3167 V

Allowable Value: ~ 84.31 V and s 92.38 V ;::: 2951Vands3233 V

Analytical Limit: ~ 83.95 V and s 92. 74 V ~ 2938 V and s 3246 V

Relay Reset Time = 1. 35 seconds

Calibration Summary

The calibration information used to support the results of this calculation is defined below. In addition, the field calibration setpoint and expanded tolerances are identified.

Calibration Setpoint I Allowable Value:

EPN Parameter Process Units 1 (2)-6703·1 (2)3-127-1 Recommended Field 88.35 v 1 (2)-6703-1 (2)3-127-2 Calibration Setpoint 1 (2)-6704-1 (2)4-127-1 Allowable Value ~ 84.31 V and 1 (2)-6704-1 (2)4-127-2 S92.38 V

Analytical Limit ~83.95 V and s 92.74 v

Calibration Frequency, Setting Tolerances, and Expanded Tolerances:

Surveillance Setting Expanded Interval Tolerance Tolerance

Channel Calibration 24 months ± 1.7 v ± 1.83 v


7 .3 Acceptance Criteria

The acceptance criteria (Section 2.12) for this calculation is such that the field calibration setpoints (SPf) associated with the subject instrument loop is set such that it is bounded by the calculated setpoint (SPc). The new recommended field calibrated setpoint (SPf) is bounded by the calculated setpoint (SPc), and therefore, does meet the acceptance criteria.

There are no acceptance criteria for the allowable value determination or for the relay reset time. The relay reset time is provided for information only.

The expanded tolerances are determined in accordance with Section 2.1 O and are acceptable if the result is greater than or equal to the applicable setting tolerance and do not result in a violation of an applicable limit. The expanded tolerances (upper and lower) were calculated using the setpoint tolerance of 1.7 V. The expanded tolerances passed both acceptance tests. These values are reflected in the table in Section 7 .2 and are acceptable.

7.4 Required Actions

Implement the revised relay field calibration setpoint.

8.0 ATTACHMENTS

Attachment A: General Electric Protection and Control Catalog, Catalog GEZ-7723A, Pages 11-3 to 11-6

Attachment B: General Electric Instructions for Voltage Relay Type IAV69A & IAV69B, GEl-908100

Attachment C: Passport Data - LOV Relay Settings

Calculation QDC-6700-E-0939 Revision 1 Attachment A Page A. I

·---· .... --·---

Calculation QOC-6700-E-0939 Revision 1 BEST Attachment A COPY AVAILABLE

Page AZ.

-

GE Ptotectlve Relays

DESCRIPTION The Type JAV relays arc single phase

induction disk r~lays designed 10 respond, with 1ime delay, 10 either en increasing or a decreasing voltage, or both. Some models arc frequency compensated, and some in· elude an instenlancous unit (hinlled anna· lure type). Mos1 models listed in the Selection Guide include a largct seal-in unit on ell contacts.

The basic mechanism or ail inodels is en induction-disk unit with eilhcr a tapped coil or a tapped resistor for selling pickup.

[In !he overvohage models, the relay is calibrated on increasing voltage to close lhe normally open contact at Lap setting. The time dial adjusts the angle through which rhe disk rotates end, hence, the time delay.)

In the undervoltegc models, the rtlay is calibrated on decreasing voltage to close the normally closed contact at tap selling. The rime dial adjusts the angle through which 1he disk rotates al voltages above tap M:lling.

In 1he combined overvoltage and under· voltage models, the relay is calibraled on mcrc:asing voltages 10 close the normally orcn contacts al tap selling and on decrees· mg voltages 10 close the normally closed cnnte~ at various P,Crccntages of tap seJ-1ing.

For the undervoltagc and combined Un· dcrvoltegc end overvoltage relays, the two rnnnecting plug 52 CBSe is used to prevent Msc tripping when the relay is removed or icrilaced. Either plug completes the coil cir· •·uil and thus opens lhc normally closed rnntact used with undervolcagc operation. lln1h plugs an needed 10 complete the con·

:; · ••cl circuits.

"· APPLICATION '~· OVIRYOL T AGE RELA Y5

Type IA V ovcrvohage relays arc used for ·. flrntection against simple ovcrvollage, bul

;1:.-olher applications arc also common. They i-:·llr applied to ground detcclion, both on ":jiftrders and on ac generators, and lhey arc ·:-•bn used in timed swilching arrangements, l,.•·herc 1heir dependability and accuracy ':111ah them preferable lo purely mechanical ~ 1111ing relays.

IAV Time Delay Voltage Relays

For protection against overvohal!c in a three-phase system, use the IA V5 IA relay (Fig. 2). For ins1anteneous pro1ec1ion as well as time delay, use the IA V7 ID.

For lhc deteclion of [!rounds on ungrounded three·phasc sysiems, 1wo methods are in general use. One measures lhe zero sequence: po1en1ial (Fig. 4), end the other measures the aclUal vollage bel ween 1he sys· &em neulral and ground (Fig. 6).

For 1he circuil or Figure 4, use Type IAV5JD, a low pickup reley which has its opere1ing circuil tuned to the rated frequen· cy. The poten1ial 1ransformers used in this circuit are connected grounded-'V primary, broken- delta secondary. The primaries should have ratings equal to the line·lo-line vohagc: of the system, end the secondaries can have ratings or ei1hi:r 67 or 115 volts.

Select a relay model wilh a continuous raling or lhree limes the potcnli.al lranS• former secondary voltage. This is necessary because, when a ground occurs, the zero sequence voltage may be up 10 1hree times lhe normal transformer secondary voltage. Thus, with a potential 1ransrormcr second· ary rated 67 volts, use a 199-volt relay coil. For ground fault protection of ac rOlaling machines, use a circuit similar to that shown in Figure 6 applying Type JAV5JD ·or IA VS 1 K relays. These arc low-pickup relays whose coil circuits arc 1uned by capeci1ors 10 their ra1ed frequencies. The circuits are 1hus rendered only one-eighth as scnsi1ive to lhe third harmonic as they are to the rated frequency.

Jn Figure 6, a dis1ribu1ion "iransfonni:r is connected between the machine neutral or the generator and ground. Normally there is no voltage on lhe 1ransformer but during a fault, there is a voltage wilh a worst-case magnitude equal to the phase-to-ground value.

Greaier sensitivily can be obtained by choosing a disuibulion transformer with higher secondary voltage. In such a case, the relay will nol carry the fault voltage con· tinuously, and provision musl be made to de-energize the operating coil using an aux·

Calculation QDC-6700-E-0939 Revision 1 Attachment A Page A3

subject ro lilBnf1B wflllOUt nOlice

(Phata 80•32181

Fig. I, Typ• IAV71A overvoltoge r•loy

(out of case)

iliary relay. The shon-time raling ror both JAV51D and 1AV51K i& 360 vollS ror 10 seconds.

The JA V5 IM relay may be us.id for a ddinile time delay and the lime is adjustable from J 10 30 seconds by means of a-time dial. Operaling lime is defined as the time to close lhe coniacts wilh voltage suddenly raised from zero to lhc rated value.

· UNDERVOL1AGE RELAYS for simple undervoltage prolection, se.

lcct the IA V relay according to 1he time volcagc characteristic required.

In .a typical au1omatic-preferred emer· gency lhrowovcr scheme, the undervoltage co111ac1s of the IA V54E relay ere used to uip the circuit breaker in 1he normal source circuit, and lhc aulliliary switch (52b) of this nonnal source breaker permits the voltage closing contacts of an IAV51A relay in chc emergency source to close its circuit breaker.

COMBINED UNDERYOLTAGE AND OVERYOLTAGE RELAYS

Types JA V5), IA V69, IAV70, end IA V73 relays are time-delay, over- and undervollage relays having two contaclS, one of which closes on ovcrvohagc and the other on. undcrvoltagc.

REHRENCH: Dimensions ...•.....•.••..•• Section 16 How to Order ••.....••.•..•• Section I Instruction Books .•....•..•.• Section 17 Target and Con1ac1 Data ..•.... Section 16 Relay Standards ........•..... Section 16

Votlage and Frequency Relay&

•

BE Protect/1111 Relays

FREQUENCY COMPENSATION The following Type IAV n:la)'5 are fre·

quency compensated: Overvoltagc relays-JA V71, JAV72 Undervoltage relays-JAV74A Undervoltage and Overvoltage relays-

JA V73A, JAV73B These relays have unifonn characleristics

over a frequency range or 30.90 Henz. A lypical applice1ion is on sysiems supplied by hydro-genera1ors, where lhe frequency lends to increase when faults occur. Frequency compensation is provided by an R·C circui1 acro~s the wound shadinl! coils oflhe induc1ion disk operating coil and core unit.

CHARACTERISTICS Type IAV relays will conlinuously wi1h

s1and rated voltage on all taps, and lap voll· age on all taps above rated voltage. For lhe

SELECTION GUIDE-Type IAV

G1111rol 011crlpllen

OVERVOL1AGI (DEVICE No. 59)

Gene<al du'1, o.-.naltag1 and control 1 .. i1chhlg. Tinw delop 1 ro 10 Mtcndt al 1.6 llmt1 lap Hfting,

SolM a1 IAY51A ncept 2·N.O. Contacb Motllfl Seat.In.

low Plc•-vp

~ dotecllofi .., 3-plias• 1y1teM1 Cll1ll on 5'"'"' 1talar ""::1.1. Time 0,7.5 10 7..5

:' 4 .:.~°!.,.N.o~fo1;g~ S..- 01 IAV.510 or IAV51l eoc.pt

2N.o.c ... -

Timing AppRcotlon1

S!np dmAt dote1 with litM. !lftcrr. Jblid .,;dup .o11ogo. Tlmt •"'7· 3 IO JO -.....ts al roted waits.

f19qwllK)' Co111penaotH

Jnqw;:t Mnalrr.. oppl'1talil>ft1. Olhttwbe - a1 AV51A COll!peftlGIM 30.90 Her!1

frtq:::."!t ,_,..., ... "", ln1hmtcnw0Vs """ oddld, a ao lniquency •-i-naoted1 lor hydro 0-"""""' appGcatioll11 pMral dulJ lot Ill geM11110r .,..,.o11og1 p1otectlOll aiid rolrago rogulcsrar bac•up. I to 10 MCand lirnt de"'1. 5111111at lo IAV71A HClpl 2 N.O. COftfOc!~ Shnlla7 lo IAY72A Heep! Include• i111t. uni! With 1 N.O. Contcct

~i~..:~ ~t~~~.t>.lt'~n~~·.':"'

Rated Volta Ac

115 208 230 460 11.5 199 230

n.sa> 1990> 3450>

67Q)

19'11V

67111

11.5 208 230

11.5

llll 230 230

11.5

115 230

11.5


minimum and mBllimum laps shown in the list below, the following intermediate taps are available:

Tap Range 5.4·20 10-40 16-64 28-112 5.5-140

110.280

220.560

Taps Available 5.4, 7 .5, I 2.5, 20 JO, IS, 25, 40 I 6, 24, 40, 64 28, 42, 70, 112 5.5, 64, 70, 82, 93, 105,

120, 140 110, 128, 140, 164, 186, . 210, 240. 280 220, 256, i8o, 328, 372,

420, 480, 560 .

The ovcrvohal!t relays and lhe under· vollagc relays arc provided with 1ime dials for adjuslmenl or lime delay.

The combined under· and overvohagr relays are made both with and without timrdelay adjustment. ·Models IA V.53, -69, and .73 have time delays which are functions nf the setting of the undc:rvoltagc contacts. Model JAV70 has a time dial which ~nni1s adjustment •or time delay independently or the voltage se11ings.

TRIPPING CIRCUITS AND CONTACT RA TINGS

The current carrying rating of the-con· lact circuit is de1ermined by whether the relay has a seal·!n unit and.by the lap usw on the seal-in coil. Without a seal·in uni1 rhe relay contacts will clo5e and cany JO amperes for tripping duty and 2 amperes con1inuously al control voltages of 250 volls de or less. Refer to Section 16 for date on 1arse1 se.al-in units.

Tap Range Volta Mod•I Nunob.ro Cow

Slao Apprao Wt, lb tkg)

Min Moo

5.5 140 10 140 0.212 110 780

220 ~ 5.5 IAO 70 140 0.2/2

110 280 C1l

10 40 16 6o4 28 112 .u 20 0.2/2

16 64 .5.4 20

.5.5 100 0.212 110

.5.5 140 ..

55 140 110 280 110 280

0.212

" 140

.5.5 140 110 280

" 140

Can1acl1 __ 60,,...,.,.H1_rl_1 -.....---.50~H1-rti--1

1.N.Q,

2•N.0.

1.N.O.

2•N.O.

l•N.0,

l•N,0.

2·N.O.

121AV51A lA A7A A2A A)jl

121AV.52A1A A7A A2A

121AV.5102A OJA D9A

121AV.511C1A

121,lV.52D1A 121ilV57KJA

121AV.51MIA M4il M3A

121AV71A1A

l21AV7112AG> BSA:GI 86"@

121AV72A lA

121AV7281A~ ...... ......

121,lY5IA4il A9A

"'" A11A 121AY57A4A

A9A

"'" 121AV51D.5,l

IMA DIOA

121AY.511C2A

. ..... 121AV.521C2A

121AVS1M2A

12l,lV7lj\3A 1

121AY71113°AQI ...... ......

...... 121AV72UAQI

83AQ)

121AV720AQI

51

51

51121

Sl SI~

SI

51

Ntt 51\lp

12 (5.4)

12 ...... , 13

1'-9) 12(.5.4)

13 IUI

12 15.4)

13 15.91

1.5 (6.8)

15 C6.BI

16 (7.3)

UCO.Ill 16

17.31

15 16.&)

16 17.31

<D IAVSID, SIK, 520, and 52K-10 Second Rating at 360 volis. Cl> Includes t:lltemal capacitor. Ql lnsl. unit adjustable 120-200 vollS. ©Inst. unil adjusiablt: 180-300 volts.

Voltage and Frequency Relays

Page 11-4

Calculation Q DC-6700-E-0939 Revision 1 Attachment A Page A+

. - --··· ----. ·-····- - . -· -----·-----·--------

'.

-~

. '

. ...

... I

,. ~ ...

't;

·.:. i•


...

GE Protective Relays

!\ELECTION GUIDE-Type IAV

Ganr1ot Or1criprion

UNDIRYOllAGl (Device No. 27)

5 SH Time Otlo7 DI JtrO vclh II ,., on No. 10 10 Time Rans• I lo 13 m al 80°.li of lap. 30 Sec limt Deloy GI uro t'OOJ ii Ill on No. 10 ID

!~ z~~! !:11~ ~:·~o. I 0 lD ~amt 01 IAV5•E oupl f)O Stat.in

S Sec Tim• Ooloy •oM at IAV54f oarcpl :1 N.C. :So Sec n..,. Deloy

75 Sea Timt Otloy

freque"cy Compe111oled

5 S.1 Tlmt Delay a1 1<10 •Offt ~? No. 10 TOS. Camprn.011d 30.!IO H1

Rated Valt1

Ac

67 115 208 230 •eo IU 230 •60 115 •60 115 230. .•6!>. 115 230 •60 11.5 230 11.5

115

lap R0ngw Vol11

Min Moa

32 BO 5S l.tO

110 280 1J.O 280 220. .560

.55 uo 110 280 220 •60

.5.5 l•O 220 560

.55 1•0 110 280 220 .560

55 1.tO 110 280 220 560 .55 1.tO

110 280 55 140

OVIA- AND UNDllYOl1AGI CDevlce No. 27159)

r1erol dvty. elOC'ltkoRy iapo1011 ltllft• II'"'''" ta191t MOMn vn\I wrio1 lh 1ach contact; UY adju>toble ham 50 Q511!> al ov top Mttlng. lim• dolay

(#1 IQ(

wl IQ

I. qi

I *• cl 1aro vohi: O.• MC.. 2 • 1op. ,.n1ng. 1omolic ,o,,tro11chrmtt; aam1 01 IAVJJK t•P• rargtl 1.ot-in urUt1 ~# omftrtd

Au

~illMlor • ID IAV53K •><':f.I lorgel .. o. ~in unlit "" ........ • li .... dolat S 1e1, Of lltO •otJI.

"""' •ol:~ ,...,,,_·-left betwftft .... tom; •i:t:: lndtplftdenl of UY · lnltll:U'.V ob»h...,e0ta95~ ordjvil

cd OY lap 0 target and ...,a.in unit '"'let with eoc <DlllllCI. , • ... '""'alic control W..met1 "'"" 01 '" V69A .. Hpl targ1I ,.aJ,;n wiill are otnin9d

• ~.ral dutrs UUNMlft lQ"""';o" bttwttll roc111 .. ning fi"d r., 95% at -

,, .... ul OV la~ ullinvr 1or111t eol-in uoit In

1ita wit .act. conlact1 cufiu11abM rUM lap 30 aocondt _,., on ,..,..._ loat al Y • ... ... 1amalic cc"'tr11f Kho""1; iam• 01 IA V70A ·~111 rorget MDMn ~·· 011 Ollli11ftf

frequency Compen1oted

.... 1 ..

neral du~1 ..,_ Ds iAV531t ""''P' qveMY -nlGl.d. 30.90 H1 ;;...,,ic conrrol 1ehtm111 1om• OJ IAV53L .... ... •I'!. fr•qu•ncr Caniptn101od. 30.\IO H1

'~·

1'~

." 1111111 SI~ /ti r.lurnma wif/vurl ""'""'

115 55 l•O 230 110 280 460 220 560

115 . 55 140 230 llO 280 •60 220 560 11) 55 lAO •60 220 560

120 55 140 208 llO 280 240 tio 280 120 55 1•0 2•0 110 280

120 55 140 2•0 110 280

120 55 140 240 110 280

... 115 55 ''°

lore•• 5eo~ Conroct•

in

0.712

I N.C.

Nont

0.2/2 2N,C.

Q.2/2 I N.C.

0.212 (2)

None l N,(. I N.O.

0.212 (2)

NOM

0:212 (2)

N-

0.212 121 I H.C.

Nont 1 N.O.

Model Number ca .. 5111

Applaa WI, lb (lgj

60 H1r11

121AY5•El.tA llA El3A E2A E3A

12tAV.5AflA '2A f3A

121AV.54HIA H2A

121AV.5.eJIA J2A J3A

121,.V55CIA C2A C3A

121AV55f IA '2A

121.IW55HIA

121AV53KIA K2A 13A

121AV53llA l2A l3A

121AV53N1A N3A

121AY69AIA .... """ A2A

121AV698lA 82A

121AV70A1A A2A

121AV70BIA B2A

121AV73,.1A

l21A\17381A

.50 Htrll

121,.v~:.i:.;. .. ·i:~A

E6A

121Av~4F4i. ...... . ..... ······ ......

"'"v~:.j•i. 121AV55C4A

C5A C~A

...... ...... ······

121AY53K4A K5A KllA

121AV531AA 1.JA

......

...... ······

121AY69A3A ...... ......

121AV6983A

. ..... ······

l21AV1083A ......

. ..... ······

52

S2

S2

S2

Net Ship

12 (5.•)

13 IUJ

13 15.9)

13 15.\1)

I

16 (7.3)

17 (7.71

17 17.7)

17 (:1.7)

Calculation QDC-6700-E-0939 Revision 1 Attachment A

Page AS


IAV \~J.~:. ··~~::····.

Time Delay Voltage Relays ·:-\'~

Calculation QDC-6700-E-0939 t~= ·

SE. Protective Relays

DIAGRAMS AND CHARACTERISTICS

------.~~A_c;....;;;b_u_a _________ 1

--~~----------------2

Generator

Fig. 2. Typical 0111lernal for Type IAV51A u•ecl tor ov•rvolloge prol .. llan.

~---.--~A~c~b~ua=-~--..---~I ~ ...... -+--~ ...... ~t--~-2 -....+-+--_..;-+-t---- 3

Gene rotor

Fig. 4. Typlcoi ealornol for ground fault p1oteclian 3ph. Ungrounded 1y1tem Type IAV51D

Acb., . C•lr r.~ iii ..

. :5~~ pi 59 ~ L-------.J 2 I~ I" -1AY~IK..-, , ~ I I. Q,591 T~p r~ .L~ olorm

·~ Tc' 15 l-J4 I , ________ J 86 a r ~-., 'When used ~ba l for alarm

D~_._j I ranaformer

Fig. 6 •. Typical e•temal for ground fault p1alHllon of on oc retollng machine Type IAV51D or 511<


Page11~

Revision 1 l> Attachment A 0:·:· I Page ACs, aF' Af..p/ tit-JAL r ~

8

7

.. 6 'a c: 8 5 .. "' .: 4 .. E 3 i=

2

5011\\\-+f-+:1-.1.-L~..._.........,u...J._.__H

45

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' I . Flp. 3. Typlcat Tim,• Vollag• cur,,.

101 Type1 IAV51A, 71 and 72

.I ,\ \, ,, \ \.' ... I'

\. "' ~- ---' :--.- --~

,.... ~ r-- ,_

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10 9 78 56 34 , 2

Time dial

H111nt

OO 200 400 600 800 IOOOl2001.ia> la:JC)

.~·

6

4 I

2 ....... - I/

8 ""' 6 --4

2----

I

Per cent at top value

fig. 5. Typlcal Tl•H Voltage curv• far Type1 IAV51D and 511C

I when wlla9e is red11ced to the

I indicated value from left ·I

I ..... -....... ~.d· contact pickup wllave or above r .............. -. j j when votlag1 Is auddenlJ . I ""''" lncreased·from zero to Hit

~ ~· Indicated pickup mulllple '

I I I I I

" I '\. RIR"' \ ' '\. OA,

cun act , I """"'" ~gs closure " \I' ... !"'. ..... ;:- i...- 70 (In 'fo ... !ett ... ..._ .....

:1~ Of lett

~ .._

1~- ~ contact ~=

II pickup) 0 0 20 40 EiO 80 100 1?0 140 IEiO ISO 200 2?0 240260

· Per cent ot tap valut

Fig. 7, Typlcnl Time Vallage curv• fo11ypn• IAV53K, 53L, 73A Dnd 731

Data subjed lo change willrOUI nolice

D

•• 1·

•

··--··----..

INSTRUCTIONS GEI-908100

VOLTAGE RELAY TYPE IAV69A and IAV69B

GENERAL fj ELECTRIC

Calculation QDC-6700-E-0939 Revision 1 Attachment B Page .f) i

• GEI-90810 Voltage Relay Type IAV69A And B

TAP BLOCIC

TOP PIVOT

OVERVO..'TAGE TARGET ANO SEAL· IN

Fig. l (8o31861) Front Viev of Relay Type IAv69A 'Withdravn From Case.

DISK JIHD SHAFT

LOWER JEW Et SCREW

Calculation QOC-6700-E-0939 Revision 1 Attachment B Page 52-

TAP PLUG

TIME DIAL

STATIONARY UNDER• VOLTAGE CONTACT ASN S1lTIONARY ovt:R· VOL.TAG£ CONtllCT ASM UN)ERYOLTAGE WIG£T 6 SEAL·IN

~~~;~~i= MAIH MOVING CONTACT a CARRIER SPRING ADJUSTING RING

DRAG MAGNET

Fig. l.A (8031862)' :Back View of Relay Type IAV69A 'W1th4ravn From Case.

VOLTAGE RELAY TYPE IAV69A & B

Calculation QDC-6700-E-0939 Revision 1 Attachment 8 Page f>3

DESGR'IPTJON

The lA V69 relay la a time delay undervoltage and overvoltage relay destgned to be used wherever protection agalnst an abnormal voltage condtuon ts required. The relay consists of an tnductlon dlsk operating element whlch closes lts left hand contacts when the voltage lncreaees to a predetermined value and tts right hand contacts when the voltages decreased to another predetermined value. The undervoltage adjustment ts independent of the over• voltage setttng. A ttJDe dial ls provided to permlt easy adJustment of the operating Ume or the undervoltale setting which are interdependent. The lA V8 A relay has two target and seal-ln devices, as indicated ln Flg, 2, while the lA V69B relay has none; otherwtse these two models are tdentlcal. The 1A V69 relay components are housed in an 82 dO\lble ended case wtth each conlact connected between the upper and lower blocks whlle the operatlng coll ls connected to both blocks. Thts permits the connection plugs to be removed or lnserled with the operating coll always energized before the contacts are cormected into their ctrcutta. The normally open and normally closed contacts have a common potnt due to the use of a stngle control spring. The number of rela1s required to protect a circuit ls determined bJ the appllcatton.

APPLlCA TlON

These relays are used for protection and/or control of a-c clrcutta in response to over and undenoltage condlttons. A typtcal wiring dlagram ts shown in Ftg. '1.

RATlNG

The IA V89 relays covered by these lnstructtons are avallable with 120 and 240 volt operating co\ls · 50 or 80 cycles. The relay pickup and drop01Jt can be adJusted tC) operate between 45 and 115 percent of rated voltage. The coll will stand rated voltage continuously on any tap and tap voltage on tape above rated voltage.

The current closing ratlng of the contacts ts 30 amperes at 250 volts or below, The current carrying rating of the contacts ts ltmlted by the target and seal-in unit where used as lndtcated ID Table A. .

When not limited by the target and seal-In unlt, the contacts of the lA V69 relay will continuously carry and Interrupt 0,3 non-tnducttve amps at 125 volts DC and 0.15 non-lnducttve amperes at 260 volts DC,

TABLE "A"

TARGET AND SEAL-IN UNlT

2AMP TAP

DC Resistance 0.13 Ohms Minlmum Operating 2.0 Amps Carry Conttnuously 3.0 Amps Carry 30 Amps For 4 Secs. Carry 10 Amps For 30 secs.

CHARACTERlSTlCS

Operating Prtnctplea

0.2 AMP TAP

'1 Ohm& 0.2 Amps 0.30Amps

---------0.2 Secs.

The lnductton disk operating unlt conslsts of an aluminum disk whtch rotates between the pole faces of an electromagnet usually called a U-magnet. The operating coll produces the U-magnet's nu wbtcb tends to rotate the disk with a force proportional to the connected voltage. The disk ts restralned by a spiral sprlng whose aetttng determlnea the relay pick up. The disk's motton ts restrained by a permanent magnet drag magnet whose restraint Is proportional to the disk speed. The disk ta fastened to a shaft to which lhe contacts are connected. The time delay ts adjusted by changing the distance the disk must travel to close lts contacts and the tlme-voltage relay characterlstlcs are shown In Ftg. 4. Adjustment of lhe tlme delay ts made by rotating the time dial upon whtcb the normally closed voltage stattonary contact ts mounted, Ftg. 4A shows tile percent of tap value to close the undervoltage contact at the dWerent ttme dial settings. The overvoltage contact ts calibrated to close at tap value and Its adJust.ment le independent of the Wldervoltage adjustmenL The normally closed undervoltage contact can be adjusted to close from 80 to 90% of tap voltage by varying the dial setting. When operatlng coll voltage ta between pickup and dropout values both con~cts are open.

These JnstrucrJons do not purpart to col'llr oll detoiJs or varJatJans Jn equJ,PlllSnt nor to provJde for el/Ory possible contJn11enc:y to be met Jn connection 11Jr:h JnstaJlotlan, operation or mlllntsnanco, Should further Jnfor11111tJan be desired or should·porticulor problems arise "'hlch are not covered sullJcJentlll for the purchoser•a pu1poses, tho matter should be referred to r:he General E'JectrJc COlllPOllll·

To the e1tent rr1<1uired the prod11ets dsscrSbad herein moet appJicoble ANSZ, ZEBE amt NEIUI standards/ but no such assuranca Js given wJth respttct to local codes and ordJnances because the11 vazy graatJy.

3

---- - . - --- --··· ·------ ···---

GEl-90810 Voltage Relay Type IAV89A AND 8

I 16

I x 20

SI l TT " 2

~

"' IC_, .,_ ~8

OVlAYOLTAOE S1 ILEFTI

. 1 8

•'"SHOAT FINGER

;:0165A7570·l) Inte:'llel CoMectionu For Rel11,3· fype IAV69A (Front V1ev)

I Burden

The burden imposed on a potential transformer by a 120 voll 1A V89 relay operating at rated voltage and frequency ts gtven in Table B. Burdens are eesenttally the same for the 240 volt relay •.

TABLE "B"

TAP 60 CYCLE 50 CYCLE

RATING WATrS VU.Ii.I. WATTS VULol' AMP. AMP.

55 11.l 28.9 7.3 22.0 64 7.3 20.1 5.3 16.0 70 5.8 16,8 4.2 13. l 82 3.9 12.2 2.9 9.3 93 2.9 9,4 2.2 7.2

105 2.1 7.2 1.6 5.6 120 1.6 5.3 1.2 4.3 140 1.3 4.0 0.9 3.1

CONSTRUCTION

The components of the lA V69 relay are mounted tn a S2 case whose outline and drlllingplan ts shown ln Flg. 8.

The relay components are mou11ted ln a cradle assembly which ts latched tnto a drawout case when ~he relay ls in operation but tt can be eastly removed w.hen desired. To do this, the relay ts nret disconnected by removing the connection plug which

4

" I . 20

I.

OV!AVOLTAOi ILIFTl

ONDlRVOL TAOi IAIOMTI

•"SHOAT FINGER

F1g. 3 (0.\65A1559-l l lntemel CoMectione For Relay 'l'ypt> IAv69B (Fror.t Viev)

completes the electrical connections between the case block and the cradle block. To test the relay tn Us case this connection blc:-ck can be replaced by a test plug. The cover, wbtch ts attached to the front of the relay case{ contains the target reset mechanism and an Inter ock arm which prevents the eover from being replaced until the connect\on plugs have been lneeryed,

The relay case· ts suitable for either semtflueh or surface mounting on all panels up to 2 Inches thick and appropriate hardware is available. However, panel thickness must be Indicated on the relay order to Insure that proper hardware wW be Included.

Every clrcult tn the drawout case has an auxtltary brush as shown In Flg. 5 to provide adequate overlap when the connecting plug ts withdrawn or lnserled. It ta important that the auxtltary brush makes contact ae tndtcated tn Fig. 5 with adequate pressure.

RECElVlNG, HANDLING AND STORAGE

These relays when not· included as part of a control panel, wni be shipped in cartons designed to protect them against damage. Immediately upon receipt of a relayJ examine It for any damage sustained tn transit. lf injury or damage resulting from rough handling ts evident, me a damage clahn al once wtth the transportation company and promptly notify the nearest General Electric Apparatus Sales Office.

Calculation QDCa6700-E-0939 Revision 1 Attachment B Page 5't

BEST COPY AVAJlABLE

• ~!~ ~ . R0

IGHT. UNDERVOLTAGE CONTACT. C0LOsuiii .. §ii;l.t; IN I OF TAP VALU[

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LEFT CONTACTS CLOSED

Voltage Relay Type lAV69A And B GEI·90810

...... ..... .. ··-t-·· .... ,:.··1 ~ ~. , .. :1 ;15: it:! ·i~ · ~:u·r~;;_;G: -· .. ~ ;·J f.t: t!• :m± i;t 1 : ••• .: t . .:.foH1 ;J• rtH l:!j ·• 'L~L ... 1:u-:: .:-:: I

L:1 TllJE TO CLOSE RICllT UN0£RvoLTAGE :·:·r CONTACTS l~EN VOLT AGE IS SUOOENL Y t:_j

• • REDUCED F'ROM RATED VOLTS TO INDICATED -· PEP.CENT OF TAP VALUE • ~

-·-- .;

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'.......J!l" T1 •• ,. ..... , ... ~ ... -µ;;;;;i;·:;i·

.rti. T II.IE VOLTAG~~:~n:t:~-11~£·~~'.:-'~~ !.IODE:L 121 A\1699(-1 A P'! -1.. •.

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TlllE T~·~~O~~·"~;;~ERVOLT~E ~ CONTACTS WHEN VOLTAGE rs SUDDENLY ~ INCRtASEO FllOI: ZEllO TO I NOICATED PERCENT OF TAP VALUE

I

lSoj 200

60S} RIGHT UNDER- l 70I VOLTAGE CONTACT SOI CLOSURE IN 9CIS i OF 951 TAP VALUE , .

..

F1S· ?1 (Ol65A7566-2) !1'1me Voltll(!e Cha.·:.cter1At1c:s For Relay 'fype IAv69

~ ~00 ~ .

J 80

... ::: '"' > 60 a.

'"' .. I.I. 0 I- 40 ;;;,: ' ... lit ~ ., 20

0 0 1 4 s 6· 7 t:

TIME ~IAL StTTING II • ,fo. , ,II•

Percent Of •i•ap Value 'l'o Close Right Hand Contact vs Time Diel Setting Jlelay Type IAV69B

Calculation QDC-6700-E-0939 Revision 1 Attachment B Page 55

------ ....... -----·----

5

GEI-90810 Voltage Relay Type 1A V89A And B

· Reasonable care should be exercis'ecl in UD• .. packing the relay. 1f the relays are not to be in-11' stalled immediately t they should be stored tn their

i ortglnal cartons tn a place that ts free from moisture, dust and metalltc chips. Foreign matter collected on the outside oJ the case may ftnd Its way Inside when the cover ts removed and cause trouble tn the operation ol the relay. ·

ACCEPTANCE TEST

Immediately upon receipt o( the relay, an \nspectton and acceptance test should be made to insure that no damage has been sustained In shipment and that the relay calibrations have not been disturbed.

Visual lnspectton

Check the ,nameplate stamping to Insure that the model number t rating and calibration range of the relay received agree wttb the requisition.

Remove the relay from Its case and check by visual Inspection that there are no broken or cracked molded parts or other signs ol physical .damage, and that all screws are tight. The drag magnet should be fastened securely in posttton on its mounting sheU. There must not be any metallic particles or other foreign matter ln the air gap of either the drive magnet or the drag magnet.

Mechanical Tests

Manually operate the relay and check that both contacts have approxhnately 1/32 tnch wipe.

z. Rotate the time dlal to the No. '1 setting and check that disk rotates without btndtng or touching the drag magnet or u-magnet.

3. Operate the target seal-tn units and check that they operate without binding.

Electrical Tests

Connect a variable source of power al rated frequency to studs 5 and 6 or 15 and 16, and check that the relay picks up at tap value ±5% on at least two taps.

nilSTALLATION PROCEDURE

Calculation QDC-6700-E-0939 Revision 1 Attachment B Page f)(o

tONNEtTING PLUG MAIN BRUSH

.I. ..

'llOTE. AFTER (NGAGING AUXILIARY BRUSH, CONNECTING PLUG fRAVELS 1/4 INCH BEFORE ENGAGING THE MAIN &RUSH ON THE TERMINAL BLOCk

Fis. 5 (8o2$o39) Cross Section Of Dra110ut Case Shoving Position Of Auxiliary 'Brush And Shorting liar

the pickup and dropout times agree approximately with times given ln Ftg. 4 for the settings used. Relay pickup settings between tap voltages can be made by control spring adjustment U desired by moving the spring adjusting rlng. Check that the relay operates· with one test plug removed, ·

When testing an IA V69A relay coMect a DC source of power as shown tn Fig. ~ and check that the target seal-ln units opera.le at or beiow the tap rating used.

U adjustments are necessary, check the sectton on SERVlCING. .

PERIODIC CHECKS AND ROUTINE MAINTENANCE

In view of the vital role of protective relays In the operation of a power system tt ts Important that a periodic test program be followed. It ta recognized that the Interval between perludlc checks will vary upon envlronmentt type of relay, and the user's experience with periodic testing. Until the user has accumulated enough experience to select the test interval best sulled to his individual requirements 1.l ts suggested that the lollowtng potnts be checked at an interval of from one to two years.

If after the acceptance tests the relay Is held In storage be(ore shipment to the Job sttet lt ls 1. recommended that the visual and mechanical inspection described under the section on ACCEPTANCE TESTS be repeated before Installation.

2.

Repeat the visual and mechanical Inspection described under section on ACCEPTANCE TESTS.

Repeat the electrical testa described under the sectlon on INSTALLATION PROCEDURE. Electrical Tests

The relay should be mounted in Its final Joca- 3. Check that the contacts are untarnished and tn tton U possible and should be allowed to warm up good r.ondttlon. for 15 mtnutes wtth rated voltage coMecled to the operating coU. SERVICING

CoMect the relay as shown In Fig. 6 and set

•the relay to pick up at the desired voltage. Set the lf tt ls found that the relay caltbratlons are dropout voltage at the desired value and check that out or adjustment then proceed aB follows:-

6

/

2.

Set the tap plug In the 9S volt tap for the 120 volt relay or 188 volt tap tor the 240 volt relay. Set the ttme dial at zero and check that the relay plcka up at tap voltage 1"5 percent. Rotate the control spring adjuster untll correct pick up Is obtained.

The relay operattng time can be adjusted by moving the drag magnet on its mounting aheU In towards the back of the case to decreaae the time and out to Increase tt, Tile outer edge of the drag ttiasnet must always be at least 1/8" from the edge o1 the dtak. U relay ttme ls out of ad)ustment by a considerable amountt check for frlctlon causes such as particles tn the air gaps or cracked Jewel bearings.

3. To change target seaJ.tn tap settings, proceed as follows: ..

The tap plug ls the screw holding the right• hand stationary contact of the seaHn unit. To change the lap setting, first remove the connecting plug. ·Then, take a screw from the left-hand stationary contact and place tt tn the desired tap. Next remove the screw from the other tap, and place lt ln the left-hand contact. This procedure ls necessary to prevent the right-hand stationary contact from getting out of adj~stment. Screws should not

F1g. 6 (Ol6SA67l4-o) Field Test connectsons For Relay Type IAV69

Voltage Relay Type IA VHA And. B GEl-90810

be in both taps at the same time as pickup for d-c will be the higher tap value and a-c plclt up wlll be Increased. ·

4. For cleaning ftne silver contacts a fiexlble burnishing tool should be used. This consists of an etched roughened strip of flexible metal resembling a surerttne Ille whtch remove& corroded niaterta quickly without scratchtng the surface. The flexlblltty of the tool Insures the cleaning o1 the actual potnta ot contact. Never use knives, files, abrasive paper or cloth to clean ftne stlver contacts. A burntshtng tool as described above can be obtained from the facto.ry.

RENEWAL PARTS·

It ts recommended that sumctent quantttiee of renewal parts be carried \n stock to enable the · prompt replacement of any that are wornt broken or damaged.

When ordering renewal partat addre88 the nearest Sales Off tee of the Generill EJectJ:lc Compllllf., specur quanttty requlred, name of the part wanted; and g\ve complete nameplate data. l! possible, give the General Electric requlettlon number an, · whtcb the relay was furnlehed. .

--------' -----1--t--'

n

f01PTIAI. r trQS. CLCISCS • •

M~#X ~

10

TO 1m1uui. lllUYS Oii llDICATlllG ll(VfCl

Fig. 7 (Ol6SA7639-2) 'l')'pic&l ElcteM\al Connections Diagram :ro:r Relay ~e 'I.AV69

Calculation QDC-6700-E-0939 Revision 1

.. . Attachment B Page f)?

GEl·90810 Voltage Relay Type IA V69A And B

Calculation QDC·6700·E-0939 Revision 1 Attachment B

'• Page BSoF" ~8/ Ff I-JAL

PANEL LOCATION

.,._G.625 l68MM

SEMI-FLUSH SURFACE ~MTG. ~I

<2> 5116-18 STUDS roR SURrACE MTG .

I ,

0.312 1 2 61MM

' -

114 DRILL 4 HOLES

&MM~

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l

(4) 10-32 x 3/8 MTG. SCR£VS

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00000 9 . 875 20 i a 16 14 12

250MM

STUD NUMBERING

9 7 5 3 I 00000

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F'RONT V [E\I

TYP [CAL DIM . INCHES

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CA

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19MM

.500 12MM

<TYPICAL>

PANEL DRILLING fOR. SURFACE MOUNTING

F"RONT VIE\/

F1g. B (K6l09Z72171_ Outline end Panel Or1111ng for Relay Type [AV69A alid lAV69B

• Indicates revision

ISl-9/931 111001 GENERAL ELECTRIC METER ANO CONTROL BUSI HESS DEPT., MALVERN, PA 19355

'i!J TIM0030 • EQUIPMENT/COMPONENT HEADER • ( Nuc!earProduction(PN4P)]

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Calculation QDC-6700-E-0939 ReVlslon 1

Attachment C PageC1 ofC16

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f!J l1M0071 - EQUlPMENT/COMPONENT/UTC PARAMETERS - [ Nuclea1Production(PN4P) I

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Attachment C Page C2 of C16

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t iU TIM0071- EQUIPMENT/COMPONElllT/IJTC PARAMETERS - [ NuclearProduction(PN4P) I

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SIS TIMD030 • EQUIPMENT/COMPONENT HEADER - [ Nucl•arProduction(PN4P) I

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r ;f~ TIM0071- EQUIPMENT/COMPONENTNTC PARAMETERS - [ NudearProduction(PN4P)]

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AttachmentC PageC10ofC16

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Design Analysis QDC-6700-E-0939, 'Loss of Voltage Relay ...

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