RMU Safelink Cb Product Presentation

© ABBMonth DD, YYYY | Slide 1

Name, department/event, dateMedium Voltage Products, PPMV Nashik, 2011

SafeLink CBSF6 Insulated Ring Main UnitProduct Presentation

Power and productivity for a better worldABB’s vision for India

Continue to build the technology needed to meet the demand of tomorrow, today

Preferred partner for renewables, energy efficiency, industrial productivity and grid reliability

Recognized good corporate citizen Preferred employer and talent source for ABB worldwide

How ABB in India is organizedFive global divisions

Electricals, automation, controls and instrumentation for power generation and industrial processes

Power transmission

Power Products

Power Systems

Discrete Automation and Motion

Process Automation

19,520 MINR 2,260

employees

19,446 MINR2,060

employees

15,594 MINR1,050

employees

12,590 MINR1,750

employees

2010 revenues

Low Voltage Products

4,445 MINR470

employees

ABB’s portfolio covers: Distribution solutions Low-voltage products PLCs, variable frequency

drives, motors for discrete automation and process industries

© ABB Group April 17, 2023 | Slide 4

SafeLink CB Compact Ring Main Unit for Secondary Distribution

SF6 insulated switchgear

12 kV, 630 A, 21 kA Metal Enclosed design

Cost effective solution for local and global market

Type tested according to IEC standards

Extensible on both sides

Internal Arc classified

IP54 degree of protection

Vacuum Circuit Breaker with high mechanical endurance of 5000 operations

Maintenance free and safety for user and pedestrian

Manufactured according to ISO 9001 14001

Recyclable and very low environmental impact


1985 2011

36 kV

12 kV

24 kV

Well proven technology – years of experience – global references

Safe-series product evolutionSafeLink CB


Applicable IEC standards SafeLink CB

Type tested as per following relevant latest IEC standards

IEC 62271-200 (Switchgear)

IEC 62271-1 (Common Specifications)

IEC 62271-100 (Circuit Breaker)

IEC 62271-102 (Disconnector & Earthing Switches)

IEC 60265-1 (Switch)

IEC 60529 (Degree of Protection)


Unit Overall View/PictureSafeLink CB

Extensible RMU’s in coupled condition Non-extensible CVC RMU


Design PhilosophySafeLink CB

Compact and Robust Design

Simulations application for design validations

Personnel safety considerations

Modern development and manufacturing techniques

Durability and recyclable for environment


General Information SafeLink CB

SafeLink CB is a Ring Main Unit for secondary distribution network up to 12 kV

Suitable for indoor as well as outdoor applications

Extensibility on both sides

Completely factory assembled, sealed and ready to use


ConfigurationsSafeLink CB

Available in non-extensible configurations of CVC and extensible configurations of +CVC+, +V+ and +C+ where

C- Cable/Ring switch module with test point facility

(3 positions ON-OFF-EARTH)

V-Vacuum circuit breaker module for relay transformer protection

(with manually operated

disconnector)

C C

V


ApplicationsSafeLink CB

Small/Light industries

Wind power plants

Buildings, hotels, shopping centers

Office buildings, business centers

Mining applications

Airports, Hospitals

Railway systems

Underground railway projects


Secondary Distribution

Distributionsubstation

400 kV

40-70 kV

130 kV

11 kV

Transmissionsubstation

Main substation

415 V

Transformer

Secondary Distribution Network SafeLink CB


RMU in NetworkSafeLink CB


ABB FactoryNashik, India

ABB Medium Voltage Switchgear factory in Nasik.

Outdoor & Indoor Breakers

Air Insulated Switchgears

Ring Main Units (RMU)

Modular Systems (CSS)

Vacuum Interrupters

Retrofit & Services

Quality/Certificates

ISO 9001 & ISO 14001

OHSAS 18001

550 employees for offices / factories


Technical DataSafeLink CB

C Module V Module

Switch Disconnector

Earthing Switch

Vacuum Circuit Breaker

Earthing Switch /Disconnector

Rated Voltage kV 12 12 12 12 Power frequency withstand voltage kV 38 38 38 38- across disconnector kV 45 45 45 45 Lightning impulse withstand voltage kV 95 95 95 95- across disconnector kV 110 110 110 110 Rated normal current1) A 630 630 630 630 Breaking capacities - active load breaking current A 630 - - - - closed loop breaking current A 630 - - -

- cable charging breaking current A 25 - 25 (Class C2) -- line charging breaking current A 1 - 10 (Class C2) -- earth fault breaking current A 75 - - -- earth fault cable and line charging A 43.5 - - -- short circuit breaking current kA - - 21 - Making capacity kA 52.5 52.5 52.5 see2)

Short time current (3-sec) kA 21 21 21 21 Mechanical Operations nos M1 M0 M1+3000 M01)Suitable derating shall be applied for ambient temperatures greater than 40 deg2)Disconnector is manually opearated, earthing operation is through VI. Hence no making capacity assigned

Internal Arc Classification (IAC) AF 20 kA 1 sec for inside tank


Switchgear Dimensions1 ‘CVC’ (in mm)SafeLink CB

1210960

132

0 154

0

Height: 1540 mm, Width: 960 mm, Depth 1210 mm

826

BushingC-C

100 mm

Side View Front View


Switchgear Dimensions2 ‘CVC’ (in mm)SafeLink CB.

1830

202

0

BushingC-C

105 mm

Back View

Front Door Open View


Switchgear Dimensions ‘+CVC+’ (in mm)SafeLink CB.

Side View Front View Back View


Switchgear Dimensions ‘+V+’ (in mm)SafeLink CB.

Side View Front View Back View


Switchgear Dimensions ‘+C+’ (in mm)SafeLink CB.

Side View Front View


Switchgear Dimensions in coupled condition (in mm)SafeLink CB.

Front View

1995


Cable/Ring Switch Module (C) SafeLink CB

3 position switch disconnector and earthing switch

SF6 as arc quenching and insulating medium

Cable Test Point Bushings on bottom of the tank (standard)

Single spring latched mechanism for all 3 positions of ON-OFF-EARTH

Cable compartments and Test Point compartments interlocked

Busbar extension bushing


Vacuum Circuit Breaker Module (V) SafeLink CB

• VG5 interrupter from ABB

• Interruption in vacuum

Insulation provided by gas

No consumable parts

Rugged and reliable

5000 mechanical endurance operations

30000 operations of VI at rated current

Three position disconnector and earthing switch


Manufacturing facilities and featuresSafeLink CB

Modern production techniques

Stainless Steel Tank enclosure

Programmed Robotic Welding

Sealed Pressure System leakage tested with automated and modern machine

Vacuum Interrupters manufactured in world class ABB facility for high reliability and long life

Environmental friendly and maintenance free for life


Tank OverviewSafeLink CB

Vacuum BKR aligned to

T-off side with cable bushings on back side

Switch cable bushings on the side

Mechanisms for Circuit Breaker and Cable Switch

Disconnector manually operated

Test Point Bushings in the bottom of the tank


Relays Self-poweredSafeLink CB

Protection CT’s mounted on the T-off side bushings

CT powered protection relay (no external power supply necessary)

Economical Easy adjustment Perfect for large distribution

transformers REJ603: ABB relay option with HMI Relay with advanced overcurrent and

earth fault functions


Installation Footprint and MaintenanceSafeLink CB

Compact design Easy to install and connect Commissioning - factory

tested NO live parts exposed Minimum number of parts Fully sealed and screened

unit Virtually maintenance free

Cable terminations on side and on rear


Cable bushings with interface C, 400 series, bolted type, 630A

All cable bushings covered by interlocked boxes

Arc proof cable compartments

Capacitive voltage indication as standard for all cable bushings

Extensible bushings on the side

Cable Termination and BushingsSafeLink CB


Mechanisms and InterlocksSafeLink CB

EL2 Mechanism (BKR)

Rough, reliable with proven technology

Stored energy and trip free

Minimum number of moving parts

High number of mechanical operations

Anti-pumping device built in

Interlocked with disconnector

Ring Switch Mechanism (RCS)

Single spring latched mechanism for 3 positions ON-OFF-EARTH

Interlocked with cable box and Test Point box


A B

C

D E

Breaker Module Accessories SafeLink CB

A. Shunt opening release (-MO1)

B. Additional shunt opening release (-MO2)

C. Shunt closing release (-MC)

D. 3NO+2NC or 2NO+3NC Auxiliary contacts (BB1/BB2)

E. Closing spring charging motor operator (-MS)

Operational counter for BKR as optional


Additional Accessories SafeLink CB

2NO-NC auxiliary switches for Switch 2NO-NC auxiliary switches for

Disconnector 1 NO auxiliary switch for monitoring

low pressure in equipment Short Circuit/Earth Fault Indicators

according to DIN standards for switch modules

L1 L2 L3


Mechanisms

Breaker

Cable Connection

Cable Compartment

Switch

Pressure relief

Switchgear Compartments SafeLink CB

Test Point Bushings


Front MimicSafeLink CB

Logical user interface

Clear display of all functions with appropriate usage of colours for ON-OFF-EARTH functions and indication

Mimics – independent of language

Padlock for switch and disconnector


Description of functionsSafeLink CB

1. Manometer2. Relay3. Fault Indicator4. VPIS for Ring Switch RHS5. Ring Switch RHS6. Cable Box for Ring Switch RHS7. Test Point Box for Ring Switch RHS8. Operating Handle9. T-Off Cable Box (For BKR)10. Protection CT mounted on BKR Bushing11. Lifting Hooks for Switch Gear12. Tank Earthing13. End Cover Box (Extensible bushing)

1

2

3 4

5

6

7

8

9

10

11

12

13


Why SafeLink CB?

Cost efficiency High standardized volumes Space saving Minimal maintenance Easy installation

High personnel safety Tested acc. To IEC (internal arc fault) Interlocking provided for all cable boxes Arc proof cable covers

Reliability & Power continuity Climate independent & robust structure ABB quality (high level production with high quality

components) Environment friendly 95% recyclable Compact and extensible design with less use material

(compared to AIS)


End of LifeSafeLink CB

• Design compliance - 30 years +

• Gas remains inside

• Recycling 95% approx by weight (CVC unit)

• ABB policy for recycling

• www.abb.com/sf6

• We are equipped to re-claim gas from discarded switchgears

RMU Safelink Cb Product Presentation

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