Group protection module for a switchgear arrangement and...

Details Group protection module for a switchgear arrangement and... Group protection module for a switchgear arrangement and...

H - Electricity

02

H

H02H 7/22 (2006.01) H02H 7/08 (2006.01)

Patent

CA 2637113

A group protection module (1) for a switchgear arrangement (100) is provided in order to protect a group of load feeders (2), each having a contactor (6) for connecting or disconnecting a respective load (3). The group protection module (1) has a circuit breaker (4) for providing short--circuit protection, said circuit breaker (4) being connected to a supply-side input (11) and to a load-side output (12) of the group protection module for connection to a power supply system (10) and for connecting the group of load feeders (2). The group protection module (1) has a safety evaluation unit (5) via which the circuit breaker (4) can be tripped if a status signal detectable by the respective load feeders (2) indicates that one of the contactors (6) of the load feeders (2) can no longer be de-energized. The group protection module (1) is implemented as a constructional unit.

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