HB1 Generator Switchgear up to 72 kA

HB1 Generator Switchgear HB1 GBS HB1 GCB Generator Switchgear up to 72 kA  Generator switchgear for power plant up to 170 MW HB1 Generatorschaltanlage Generatorschaltanlage bis 72 kA Generatorschaltanlage für Kraftwerke bis 170 MW

Rated nominal current up to

10 A
  • Integrates protection system of the auxiliary transformer

  • High personal and operational safety due to Internal Arc classification up to IAC A FLR 72 kA 0.1 s

  • Suitable for all type of connection

  • Indoor and outdoor application

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Product information

Our HB1 brings your power generation continuity to its next level

Siemens HB1 is a state-of-the-art generator switchgear designed to increase the selectivity of your power unit by integrating the protection system of the auxiliary transformer. It´s rated for application up to 6,700 A and short circuit ratings up to 72 kA. With its air-insulated, metal-enclosed and non-phase segregated design, this generator switchgear integrates vacuum generator circuit-breaker (tested as per IEC/IEEE 62271-37-013) and optionally line disconnecting switch, earth disconnecting switch on generator side and/ or transformer side, instrument transformers, surge arrester(s), start-up disconnecting switch, protection of auxiliary transformer and/ or excitation transformer feeder.

Compact and comprehensive:

  • The integration of auxiliary and/or excitation transformer feeders make it the ideal solution for costs, space and interface savings.
  • Suitable for indoor and outdoor installation
  • Wide range of interfaces with surrounding equipment: bus ducts, cable, solid insulated busbars and IPB.
  • Connection from all direction
  • Arc fault-tested
  • High personal and operational safety due to Internal Arc Classification up to 1 sec.
  • Type tests performed on fully equipped switchgear
  • Maintenance-free
Rated
 
 
 
 
Voltage
kV
12
17.5
24
Frequency
Hz
50/60
50/60
50/60
Short-duration power-frequency withstand voltage
kV
28
50
60
Lightning Impulse withstand voltage
kV
75
110
125
Short-time withstand current
kA/s
50/3
63/1
72/1
50/3
63/1
72/1
50/3
63/1
72/1
Peak withstand current
kA
125/1371)
160/1731)
180/1981)
2002)
125/1371)
160/1731)
180/1981)
2002)
125/1371)
160/1731)
180/1981)
2002)
Normal current of feeders:
Generator / Transformer feeder     3150 A VGCB
Generator / Transformer feeder     4000 A VGCB
Generator / Transformer feeder     5000 A VGCB
Generator / Transformer feeder     6300 A VGCB

A
A
A
A

IP4X3)    IP544)
2900     2300
4200     3300
5200     3700
6700     4700


IP4X3)     IP544)
2900     2300
4200     3300
5200     3700
6700     4700
IP4X3)  IP544) 
2900    2300
4200    3300
5200    3700
6700    4700

1) Values for 60 Hz                    
2) Values on request                  
3) Also with IP41, IP42
4) Also with IP55 for outdoor use

 
 
Switchgear Design
IEC
Dimensions
4,000 x 1,800 x 2,500 mm ( W x D x  H )
Internal arc classification
AC A FLR 63 kA (1s) / 72 kA (0.1s)
Connection method
Cable
Bus duct
Solid insulated busbar
Isolated Phase Busbar ( IPB )
Degree of Protection
IP4X, IP41, IP42, IP54, IP55

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