ABB CA, Feb. 2016 ABB MV Cable accessories Products ... · PDF fileCold shrink Joint CSJ...

ABB MV Cable accessoriesProducts & Technical Presentation

ABB CA, Feb. 2016

Content

I. ABB Cable Accessories Products Introduction

qMV Product Introduction

qOverview of MV CA Joint & Termination

II. MV Cable Accessories

qTechnical background of MV Cable Joint &Termination

qStandard & Type testing MV Cable accessories

qField Problem & Solution

qProducts Demo

CA Full Portfolio, 1– 420 kV

12 24 36 42 52 72 84 123 145 170 245 300 362 420 kVMedium Voltage High Voltage Extra High Voltage

n Locality Alingsas, Swedenn Cable accessories 1-420kVn Manufacture, Design, management,

marketing

ABB Cable Accessories 1-420kV

“We will provide the integrated solution, to make the safe electrical connection ”

n Medium voltage products 6-42kVn Reliable junctions in power cable

networks.

CA Full Portfolio, 1– 420 kVFirst in The world HVDC 520 KV-Up to 2,500 MW

Terminal

Indoor terminal（CSTI/SOT）

Outdoor terminal（CSTO/SOT）

Joint（CSJ/SOJ） Connector

Unscreenedconnector

ScreenedconnectorCSE-A/B

ABB products12-42kV MV CA Portfolio

CA Application-Cable TerminationFully Insulated

CA Application-Cable Joint

Terminations installationCST 12-42 kV

24kV12kV

ABB products

u Termination for XLPE-insulated cables with Al-or Cu-conductors, 12-42 kV.

u Indoor and outdoor applications.

u Design

ü Rubber sleeve with integrated electricalfield control and top sealing.

ü Good Hydrophobicity and pollutionwithstand, no electric contact for the highhumidity.

ü Integrated sheds of short / long type forextended creeping current distance;

ü Outdoor termination kits for 3-core cablesinclude crutch seal and protective hoses.

ü Supplied in single- or 3-phase kits.SOT meets therequirements of:

• SS 424 14 45Edition 1

• CENELECHD 628.1 S1 andHD 629 S1

•IEEE 48 1996

•GB12706.4

Cable TerminationsCST 12-42 kV

§ For outdoor terminations: Integrated sheds ofshort / long type, flat for optimal usage

§ 24 kV 4 pcs

§ 42kV 4 pcs

ABB products

1. Seal the cable lug and body with siliconeself-adhesive tape.

2. Flexible silicon rubber, anti-UV, anti-aging.

3. Use stress cone to control stress.

4. Seal the gap between the body and coldshrink tube with self-adhesive tape.

ABB products

Silicone rubber Refractive stress control

One Piece design with Integrated sheds

ABB products

Cold shrink JointCSJ structure

ABB products

Simple design, simple installation

§One-piece joint design makeseasy installation available

§ Others joint with stress-control mastic applied over thecable insulation. It leads to a more difficult installation

ABB one-piece joint

Competitor'sjoint with

stress-controlmastic inside

§ For plastic cylinder core without spiral tape, the installationwould be more difficult (Special tool is needed)

§ Support core is formed by a spiral tape. It is easy to beinstalled. (No special tool)

Simple design, simple installation

ABB jointwith spiraltape core

Others jointwithout spiral

tape core

Cold shrink Joint

Water protect testn GB/T 12706.4 -2008

n IEC 60502

ABB products

RMU bushing

Bushing

Europe

250A 630A

EN 50181Type：A

EN 50181Type：C

RMU - F unit RMU – F/C unit

200A 600A

IEEE 386 IEEE 386

ABB products

Separable Connector Configurations250AElbow

250A StraightSplice

400A / 630AT-Body

ConnectorScreened Separable ConnectorsCSE-B 630

1. Insulating plug in epoxy withbrass cover.

2. M16 bolt for connection tobushing.

3. Screw cable lug.

4. Conductive layer createsFaraday´s cage.

5. Stress grading adapter.

6. Outer conductive layer, UV-,Ozone- and tracking resistant..

Um 36 kV4 Pd-measurement

maximum 5 pC at 31 kV.

4 AC-test 81 kV for 1minute.

4 Visual inspection.

Um 42 kV4 Pd-measurement

maximum 5 pC at 45 kV.

4 AC-test 117 kV for 1minute.

4 Visual inspection.

ABB products100% routine test

Pre-molded screened separable connectorCSE-B 630

§ DESMA injection machine and ABB robotics are involved in production line

§ Small size§ Front, Front+Rear,

Front+SA

Connector Compare of ABB VS OthersDimensionØABB has Rear Connector

ØCompetitors has not rearconnector and need middletube

ABB Other

Pre-molded screened separable connectordimension

§ CSE-B630

§ CSC630

ABB product

§ Front connector

Pre-molded screened separable connectorCSE-SERIES 630

§ Rear connector

1. Pin contact with integrated conductor connection.

2. Bail restrain for fixing to the bushing.3. Capacitive measuring point covered with a conductive

hood - touch proof.4. Conductive layer creates Faraday´s cage.5. Outer conductive layer, UV- Ozone- and tracking

resistant.6. Stress grading adapter

Screened Separable ConnectorsCSE-B 250

ABB products

1. Pin contact with integrated conductor connection.2. Capacitive measuring point covered with a conductive

hood - touch proof.3. Conductive layer creates Faraday´s cage.4. Bail restrain for fixing to the bushing.5. Outer conductive layer, UV- Ozone- and tracking

resistant.6. Stress grading adapter.

Screened Separable ConnectorsCSS-B 250

ABB products

Cable cabinet with possibilities to joint and T-off 12 / 24 kV XLPE-insulated cable aboveground.

§ (HDC 250) Kits include material to connect 3 cables.§ (HDC 630) Base kit include material to connect 2 cables.

§ To connect a third (or fourth) cable PC 630 with SOC 630 alternatively PC 630/250 with SOC 250should be used.

§ Possible to disconnect optional cable for earthing or sectional voltage.§ The cables are fastened with universal clamp UKR 90 in anchor bars in the cabinet.

Kabeldon HDC 250 Kabeldon HDC 630

Kabeldon distribution cabinet 12 – 24 kV, HDC

Screened Separable ConnectorsCSE-B 630- Branching MV UGC

Cable Joint & TerminationLMK Type Test Report

TerminationCable Joint

Part 2 – MV Cable Accessories

qTechnical background of MV Cable Joint &Termination

qStandard & Type testing MV Cableaccessories

qField Problem & Solution

qProducts Demo

Technical background of MV Cable Joint & TerminationMV Cable

§Medium Voltage Cable

3 – Core Cable 1 – Core Cable

o PILC (Paper Impregnated Lead Covered)o PVC (Polyvinyl Chloride)o PE (Polyethylene)o XLPE (Cross Linked Polyethylene)o EPR (Ethyl Propylene Rubber)

Main Insulation(material)

Conductor - Materials

Material properties:

Copper Aluminum

Conductivity 100% 100%

Cross section 100% 156%

Weight 100% 47%

Conductivity(m/Ohm/mm²)

Spec. weight(g/cm³)

8.9 2.7Conductor

Technical background of MV Cable Joint & TerminationMV Cable Construction & function

Intended to add mechanical strengthto the cable

Filler

BEDDING Rubber or FILLER

Jacket

Jacket Intended to providePhysical protection and keep moistureout of the cable

Common Type :

- Thermoplastic (PVC)- Lead (Neoprene)- Lead (Timbal)

JACKET (Sheath)

Technical background of MV Cable Joint & TerminationMV Cable Construction & function

Conductor - Material Cu or AL-To Carry electrical Current

InnerSemiconductive

-Prevent Concentration of electricfield, prevent partial discharge at theinterface between Insulation –Conductor-ensure close contact betweeninsulation & conductors

Main Insulation -XLPE,PILC, EPR-Main Insulation of electrical voltage

OuterSemiconductive

Prevent Concentration of electricfield, prevent partial discharge at theinterface between Insulation –Metallic Screen

Metallic Screen symmetrical radial distribution ofVoltage stress within the dielectric,reduce the hazard of shock, returnfor short circuit current in the eventof a cable failure

Armor Mechanical protection & returncurrent path when faulty

Outer Jacket Provide Physical protection andkeep moisture out of the cable

Technical background of MV Cable Joint & TerminationMV Cable Termination

§ To Terminate Cable

§ Connecting cable to equipment, such asMV SWGR,Tranformer, Mv Motor,electric Generator

Technical background of MV Cable Joint & TerminationMV Cable Termination

§ Termination Function1. Electrical stress Control

2. External Leakage insulation – HV to Ground

3. Sealing from environment

Cable with stress control layer

Outer conductive layer

Stress control layer

Equipotential lines

conductor

40 50 6070

Cable Insulation

Field lines

I. ELECTRICAL STRESS VOLTAGE CONTROL

Stress Voltage

Stress grading

Refractive

Electric field control

Stress grading

Resistive

Stress grading

Geometric field control

II. EXTERNAL LEAKAGE INSULATIONBetween Conductor & Ground

THEINSULATOR

FLASHOVER PROTECTION TRACKING PROTECTION

TRACKING

• MOISTURE

- Humidity- Fog- Condensation- Mist- Snow- Rain

• CONTAMINATION

- Dust- Chemicals- Salt- Other Airborne Particles

• VOLTAGE- Surface Stress (V/mil)

Three Conditions Must Exist:

DISCHARGE FORMATION

Surface ResistanceReduced When WetDRY BANDS

ELECTRICALDISCHARGES

(Generated inDry Band Areas)

(Areas of HigherSurface Resistance)

&Concentrated

Voltage Gradient

Ways ToCONTROL TRACKING

3. Track Resistant Materials

- Porcelain

- Silicone Rubber

- Inorganic Fillers in EVA (Heat Shrink)

- Inorganic Fillers in Rubber

2. Rain Shed (Insulator Skirts)

1. Increase Distance from HV to Ground

Silicone Rubber for TerminationINSULATOR MATERIAL

1. Silicone is Hydrophobic

2. Silicone Can Recover Its Hydrophobicity

3. Silicone is Inherently UV-Stable

4. Silicone is Mostly Inorganic --(No Conducting Carbon Path)

5. Silicone Has a Smooth Surface

ExamplesHYDROPHOBIC & HYDROPHILIC

SILICONE RUBBER PORCELAIN

Hydrophilic

(Surface “Wets”)

Hydrophobic

(Water “Balls-up”)

III. SEAL

To the External Environment

Top Seal

Bottom Seal

PottingCompound(Conductor

(Jacket Seal)

Silicon Rubber Porcelain

“Why Splice a Shielded Power Cable?”

• Supplied length is not long enough (reel end)• Length is limited due to pulling distance and bends

• Cable failure• Cable damaged after installation (e.g. dig-in)• Tap into an existing cable (Tee or wye splice)

CABLE SPLICING/JOINTING

A Splice can be defined as two or more conductorsjoined with a suitable connector

re-insulatedre-shielded and

re-jacketed with compatible materials

FUNCTION OF MEDIUM VOLTAGE SPLICES• Control Electrical Stress in Connector Area

• Insulate Between Voltage and Ground• Maintain Metallic Shield Continuity• Provide Protection from Impact and Moisture• Provide Resistance to Acidic & Alkaline Soil

Common Steps for POWER CABLE SPLICING

• Properly Prepare Surface• Join Conductors with a Connector

• ReInsulate Main Insulation•Re-Estbalish Shield system Continuity

• Re Jacketing

FIELD PROBLEM

Simplify Design ConstructionComparison Installation method

1 2 43 5 6

Simply installation-Reduce faulty,

caused by fieldinstallation

MV Cable preparation tools

Cable Jacket Cutter

Peel-able SemiconductivePeeler

Bonded Semiconductive Peeler

Safe removal of insulation screen

Good quality stripping tools.

Manual Crimping Tool

§ SUMMARY

• Read Instructions First!• Good Cable Preparation

is Necessary!

- Training- Practice- Craftsmanship

POWER CABLE ACCESORIES

• More Simple Products

ABB CA, Feb. 2016 ABB MV Cable accessories Products ... · PDF fileCold shrink Joint CSJ...

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