Unigear_Typ_ZS1_E

8/11/2019 Unigear_Typ_ZS1_E

1/20

ABBPowerTechnologies/1

Air-insulatedswitchgear

UniGear type ZS1

-7074D

12-0

3-2003-


2/20

Air-insulated switchgear UniGear type ZS1


Medium voltage

technology

Medium voltage

technology

-7075D

1

Air-insulated switchgear

UniGear type ZS1

2

-03-2003-


3/20



Medium voltage

technology

Medium voltage

technology

-7076D

1

Rated voltage kV 12 17.5 24

Rated currentof the main busbars A ...4000 ... 4000 ... 2500

Rated currentof Circuit breaker panel A ...4000 ... 4000 ... 2500

Rated short-timewithstand current kA ...50 ...40 ...25

Peak withstandcurrent kA 125 100 63

Width mm 650/800/1000 650/800/1000 800/1000Height mm 2200 2200 2200Height with gas duct mm 2700 2700 2800Dept mm 1300/1350 1300/1350 1500

2

-03-2003-


4/20



Medium voltage

technology

Medium voltage

technology

Basic structure

A

D

C E

B

F

1

2

3

4Compartments:

1 Circuit-breaker

2 Busbar

3 Cable

4 Auxiliary

Main components:

A Busbar system

B Bushings

C Current Transformer or Combi Sensor

D Voltage Transformer

E Earthing switch

F Cable connectors

-7077D

12

-03-2003-


5/20


ABBPowerT

echnologies/5

Medium voltage

technology

Medium voltage

technology

3-

Designed for:

Flexible applications

Complete range of apparatus: VD4, VM1, HD4, V-Contact

Operation and safety

Front, rear and sides arc resistance

Closed doors racking

Metallic shutters, connected to earth

Metallic segregation of all the compartments

Maintenance simplicity

Front service operations Front access to all components

-7078D

12

-03-200


6/20


ABBPowerT

echnologies/6

Medium voltage

technology

Medium voltage

technology

-7079D

1

Apparatus

Vacuum circuit-breakers

VD4 vacuum circuit-breakers with

spring actuator

Circuit-breakers for all fields of power

distribution applications.

Even distribution of the melting points

over the whole surface of the contactsmeans the best performances can be

obtained at all current values.

The epoxy resin poles protect the

interrupters from any physical andelectrical damage.

2

-03-2003-


7/20


ABBPowerT

echnologies/7

Medium voltage

technology

Medium voltage

technology

-7080D1

Apparatus Vacuum circuit-breakers

VM1 vacuum circuit-breakers with

magnetic actuator The vacuum circuit-breakers can also be

equipped with the magnetic actuator

operating mechanism.

The switching, latching and releasefunctions are integrated in the

magnetic actuator.

All the functions (release, operating, motion,

energy storage and check the functionalreliability) are operated by the integrated

electronic controller.

Equipped with multi-voltage power-supply.

2

-03-2003-


8/20


ABBPowerT

echnologies/8

Medium voltage

technology

Medium voltage

technology

-7081D1

Apparatus

SF6 circuit-breakers

HD4 SF6 circuit-breakers

Circuit-breakers for all fields of powerdistribution applications.

Pole in SF6 with autopuffer breaking system.

The combination of compression and self-blast

techniques means the best performances can

be obtained at all current values.

Withstanding of the insulation voltage and

breaking capacity up to 30% of the rated

breaking capacity even at

zero relative pressure.

The poles can be fitted with gas pressure

control device.

2

-03-2003-

M di lt


9/20


ABBPowerT

echnologies/9

Medium voltage

technology

Medium voltage

technology

-7082D1

Apparatus Vacuum contactors

V-Contact vacuum contactor

Optimal solution for motor starters,power-factor correction capacitor banks

and transformer feeders up to 12 kV.

Fitted with medium voltage fuses

according to DIN and BS Standards.

Possibility of integrating a single-phase

voltage transformer to supply the

control circuits.

Availability of operating mechanism withelectrical or mechanical latching.

Equipped with multi-voltage

power-supply.

2

-03-2003-

M di ltMedium voltage


10/20


ABBPowerT

echnologies/10

Medium voltage

technology

Medium voltage

technology

-7083

Bushings

11

2

3

1

1

Main characteristics

Single phase type

Compact and robust solution

Self-supporting branches fixing base

1 Branch connector slot

2 Fixed contacts3 Circuit-breaker slot

12-0

3-2003-

Medium voltageMedium voltage


11/20


ABBPowerT

echnologies/11

Medium voltage

technology

Medium voltage

technology

ShuttersCB compartment VTs compartment


Metallic shutters

Connected to earth

Automatically operated

by the truck

Optional padlocksopen open

-708412-0

3-2003- closedclosed



12/20


ABBPowerT

echnologies/12

Medium voltage

technology

Medium voltage

technology

Cables connections


Conventional AIS cable connectors

Up to 6 cables per phase

Single or three cores cables

Up to 630 mm2 conductor

cross section Cable area easily accessible

from the front

-7085D12-03-2003-



13/20


ABBPowerT

echnologies/13

Medium voltage

technology

Medium voltage

technology

-7086D1

Both conventional transformers andsensors technologies

The use of sensors gives the following advantages

High accuracy and linearity

Large dynamic range

Low temperature coefficient

No saturation

No iron-resonance

Compact and cost effective solution

2-03-2003-



14/20


ABBPowerT

echnologies/14

Medium voltage

technology

g

technology

Current transformers (...2500A)

Dimensions according to DIN 42600 standard

Narrow Type.

Electrical characteristics according to IEC 60044-1. One set per phase, Medium or Long size

(up to 3 or 5 cores).

-7087D12-03-2003-



15/20


ABBPowerT

echnologies/15

g

technology

g

technology

Current transformers (3150...4000A)

1 2 3

-7088D1

-03-2003-

Ring-core Type.

Electrical characteristics according to IEC 60044-1. One set per phase.

2



16/20



technologytechnology

-7089D1

Dimensions according to DIN 42600

standard Narrow Type.

Electrical characteristics according

to IEC 60044-2.

Voltage transformers

Type

Fixed

Withdrawable with fuses

2-03-2003-



17/20




-7090D1

-03-2003-

Current and voltage sensors (...2500A)

Dimensions according to DIN 42600

standard Narrow Type.

Current sensors compliantwith IEC 60044-8 / CDV.

Voltage sensors compliant

with IEC 60044-7.

Main characteristics:

In the combi-sensors both current and voltage sensors are integrated in

the same compact cast resin part.

Current sensor is based on a Rogowski coil.

Voltage sensor is based on a resistive divider. Also a capacitive divider for voltage indication is included.

2


t h l


18/20




Active arc protection system

Fast Recovery Device based on pressure sensors

for internal arc detecting and quenching.

Main characteristics:

Limit the duration of arcing to a

maximum of 100 ms.

Minimize the damagecaused by arcing.

Fault area selective control.

Pressure sensors trip directly CB.

Sensors mounted in theauxiliary compartment.

Pressure sensors testing under

service conditions.

Pressure sensors

-7092D1

2-03-2003-

Medium voltage

t h l

Medium voltage

technology


19/20




-7093D1

Main features

Protection

Measurement Control

Signaling

Interlock

Automation

Communication

REF542 plus

2-03-2003-

Medium voltage

technology

Medium voltage

technology


20/20




Documents

Unigear_Typ_ZS1_E