medium voltage products unigear zs1 product presentation · unigear zs1 – product presentation...

© ABB Group October 29, 2012 | Slide 1

UniGear ZS1Product presentation

Medium Voltage Products


UniGear – Product Presentation

UniGear provides solutions which were previously made by ABB in a variety of product lines.

UniGear ZS1 – Product Presentation

The most complete range

Complies with…

IEC Standards

GOST (Russia)

GB (China)

CSA (Canada)

as well as main…

Shipping Registers Regulations


IEC classification

LSC-2B (Busbar, feeder and apparatus compartments physically and electrically segregated) and PM (partition metallic)classified according the IEC 62271-200

Complete of safety mechanical interlocks (interlock-controlled and tool-based accessible compartments)

Metallic shutters operated by the apparatus movement

Closed door apparatus racking


Arc-proof version

Internal arc classified IAC AFLR according to the IEC 62271-200 Annex AUniGear is in full accordance to all the five criteria:

Front, rear and lateral arc resistance.

1. The doors of the switchboard must remain closed and no opening of the cover panels must occur;

2. Any part of the switchboard which may be hazardous for personnel must not be ejected;

3. No holes must appear in the external housing of the switchboard in any parts accessible to personnel;

4. The vertically and horizontally arranged fabric indicators placed outside the switchboard must not get burnt;

5. All the switchboard earthing connections must remain effective.


Vibration test

Inclination test

Fully type tested according to IEC standard;Additional tests performed in compliance with shipping registers regulations;Specifically tested to be in compliance with several local requirements (e.g. GOST and GB);

Seismic tests performed according to IEC (IEC 68-2-6 / 68-2-57) and IEEE standards (IEE Std. 693-1977);

Marine and seismic tests


Back to wall installation

Maintenance and service operations performed from the front

Front access to all the compartments (apparatus, busbars, cables)

Comfortable front cables access.



Fully interlocked

Safety interlocks between all the switching devices and compartments doors

Error-free interlocking system to prevent any incorrect operation

Keylocks and padlocks facilities on all the devices, doors and shutters.


Earthing switch

With full making capacity

Short time withstand current for 1 seconds

Operated from the front

Provided with secure position indicators

Motor operated drive mechanism available.


Switchgear fixed on the skid


UniGear ZS1 product family

UniGear ZS1, a unique solution for three design concepts:Single level / single busbarDouble levelDouble busbar system (standard and back to back)


UniGear ZS1 - Single level / single busbar


Rated voltageTest voltage (50-60 Hz/1 min)

Impulse withstand voltageRated frequency

Rated short-time withstand currentPeak withstand current

Internal arc withstand currentRated current of the main busbars

Rated circuit-breaker thermal currentFeeders rated current

[kV][kV][kV][Hz][kA][kA][kA][A][A][A]

Up toUp toUp toUp toUp to

12 (*)2875

50-6050

12550

40004000

6301250160020002500315036004000

Rated voltageTest voltage (50-60 Hz/1 min)Impulse withstand voltageRated frequencyRated short-time withstand currentPeak withstand currentInternal arc withstand currentRated current of the main busbarsRated circuit-breaker thermal currentFeeders rated currentwith natural ventilation

Feeders rated currentwith forced ventilation

[kV][kV][kV][Hz]

[kA 3s][kA]

[kA 1s][A][A][A]


122875

50-6050

12550

40004000

6301250160020002500315036004000

17,53895

50-6050

12550

40004000

6301250160020002500315036004000

2450

12550-60

31,580

31,531503150

6301250160020002300

25003150

UniGear ZS1 - Single level / single busbarElectrical characteristics


Circuit breakers units

W=650mm 630-1250A …31,5kA

W=800mm 1250-2000A …50kA

W=1000mm 2500-4000A …50kA

Fused vacuum contactor units up to 12kV

W=650mm 400A …50kA

All units

H=2200mm (2675mm with exhaust gas duct)

D=1340/1390(¹)-1700(2)mm Bottom entry

D=1650/1700(¹)mm Bottom(3) & top entry

D=2170mm Bottom(³) & top entry

(1) 1390mm for 12/17,5kV at 3150-4000A

(2) 1700mm for 24kV

(3) With additional features

W

H

D

UniGear ZS1 - Single level / single busbarMain informations


Cables compartment

Busbar compartment

Apparatus compartment

Gas duct

Auxiliary compartment

UniGear ZS1 - Single level / single busbarSection view


UniGear ZS1 - Double level / double level duplex


UniGear ZS1 - Double level / double level duplexElectrical characteristics

Rated voltageTest voltage (50-60 Hz/1 min)Impulse withstand voltageRated frequencyRated short-time withstand currentPeak withstand currentInternal arc withstand current

Rated current of the main busbarsRated current branch connection

[kV][kV][kV][Hz]

[kA 3s][kA]

[kA 0,5s][kA 1s]

[A][A]


7,22060

50-6050

1255040

1600630

100012501600

122875

50-6050

1255040

1600630

100012501600

17,53895

50-6040

100-

401600

630100012501600


Circuit-breakers units

W=750mm 630-1000A …31,5kA

W=900mm 1250-1600A …50kA


W=750mm 400A …50kA

All units

H=2700mm

D=1976mm Bottom & top entry

W

H

D

UniGear ZS1 - Double levelMain informations


Cables compartment

Busbar compartment


Gas duct


UniGear ZS1 - Double levelSection view



W=750mm 630-1000A …31,5kA

W=900mm 1250-1600A …50kA


W=750mm 400A …50kA

All units

H=2700mm

D=1976mm Bottom & top entry

UniGear ZS1 - Double level duplexMain informations

W

H

D


Cables compartment

Busbar compartment


Gas duct


UniGear ZS1 - Double level duplexSection view


UniGear ZS1 - Double busbar system


Rated voltageTest voltage (50-60 Hz/1 min)Impulse withstand voltageRated frequencyRated short-time withstand currentPeak withstand currentInternal arc withstand currentRated current of the main busbarsRated circuit-breaker thermal currentDouble disconnector feeders rated current

Duplex feeders rated current

[kV][kV][kV][Hz]

[kA 3s][kA]

[kA 1s][A][A][A]

[A]


122875

50-6031,5

8031,5

40004000

6301250160020002500315036004000

17,53895

50-6031,5

8031,5

40004000

6301250160020002500315036004000

2450

12550-60

256325

25002500

630125016002000

2500

UniGear ZS1 - Double busbar systemElectrical characteristics


UniGear ZS1 - Double busbar systemBasic features

Double busbar system in one unit

Disconnectors between busbars

Same features as single busbar system



W=650mm 630-1250A …31,5kA

W=800mm 1250-2000A …31,5kA

W=1000mm 2500-4000A …31,5kA

All units


D=2021/2120(¹) 2570mm Bottom entry

(1) 2120mm for 12/17,5kV at 3150-4000A (duplex units)

UniGear ZS1 - Double busbar systemMain informations

W

H

D


Cables compartment

Busbar compartment


Gas duct


UniGear ZS1 - Double busbar systemSection view


Busbars system 1

Earthing bar

Cable clamps

Cable terminals

Current transformer

Voltage transformer

Earthing switch moving contact

Earthing switch fixed contact

Busbars system 2

Busbar disconnector 2

Busbars system

Busbars systemssegregation bushing

1719

1 1

27

23Busbar disconnector 1

Circuit-breaker lower fixed contact

Circuit-breaker upper fixed contact

Busbars system 2

disconnector segregation plate

17

UniGear ZS1 - Double busbar systemMain components


Upper fixed contact

Lower fixed contact

Moving contact

Actuating shaft

Beaver gear mechanism

Spring contacts

Spring contacts

Insulating support

UniGear ZS1 - Double busbar systemBusbar disconnector in open position


Moving contact

Upper fixed contact

Lower fixed contact

Actuating shaft

Beaver gear mechanism

Spring contacts

Spring contacts

Insulating support

UniGear ZS1 - Double busbar systemBusbar disconnector in closed position


UniGear ZS1 - Double busbar systemInterlocks on disconnectors

Busbar disconnectors are provided with electrical interlocks by means of active magnet lock (it enables the operation when energised)

For manual operation only, the extraction of the operation lever is mechanically locked unless the busbar disconnector is in a definite position (open/close)


UniGear ZS1 – Back to back


Rated voltageTest voltage (50-60 Hz/1 min)

Impulse withstand voltageRated frequency

Rated short-time withstand currentPeak withstand current

Internal arc withstand currentRated current of the main busbars

Rated circuit-breaker thermal currentFeeders rated current



12 (*)2875

50-6050

12550

40004000

6301250160020002500315036004000

Rated voltageTest voltage (50-60 Hz/1 min)Impulse withstand voltageRated frequencyRated short-time withstand currentPeak withstand currentInternal arc withstand currentRated current of the main busbarsRated circuit-breaker thermal currentFeeders rated currentwith natural ventilation

Feeders rated currentwith forced ventilation



122875

50-6050

12550

40004000

6301250160020002500315036004000

17,53895

50-6040

10040

40004000

6301250160020002500315036004000

2450

12550-60

256325

25002500

630125016002000

2500

UniGear ZS1 – Back to backElectrical characteristics


UniGear ZS1 – Back to backBasic features

Double busbar system in back to back arrangement

Circuit-breakers between busbars

Same features as single busbar system


Circuit breakers units

W=650mm 630-1250A …31,5kA

W=800mm 1250-2000A …50kA

W=1000mm 2500-4000A …50kA


W=650mm 400A …50kA

All units


D=2680mm for 12/17,5kV Bottom entry

D=3085mm for 24kV Bottom entry

W

H

D

UniGear ZS1 – Back to backMain informations


Cables compartment

Busbar compartment


Gas duct


UniGear ZS1 – Back to backSection view


ABB Technology for all components

Available withABB technology

for all core components

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