Selco C6200 FlexGen, Руководство по установке, Страница: 19 / 24

Selco C6200 FlexGen
Revision: 03-06-2014 Page 19 of 24
5.8.6 Dead Bus lock
The dead bus lock signal is used to prevent more than one generator from connect simultaneously to
a dead bus bar (e.g. in a blackout situation).
The Dead Bus Lock signal (terminal 46) must be interconnected between all C6200 FlexGen
modules that operates generator connecting to the same busbar.
Wiring of Dead bus Lock signal
5.9 Relays
5.9.1 C/B Close
The C/B close relay is a change-over relay intended for control (Closure) of the generator circuit
breaker. The C/B close relay has two contact sets and is normally de-energized by default. Note that
this relay can be reconfigured to normally energized operation.
Terminal Signal Description
47 Relay de-energized position Breaker remote close
48 Relay contact Signal source
49 Relay energized position Breaker remote close
5.9.2 Protection Trip
The protection trip relay is a change-over relay intended for tripping the circuit breaker in case of a
protection fault (e.g. over-curremt or reverse power). The built-in protection trip relay has two
contact sets and is normally energized by default. Note that the protection trip relay can be
reconfigured to normally energized operation.
Terminal Signal Description
50 Relay de-energized position Breaker remote trip
51 Relay contact Signal source
52 Relay energized position Breaker remote trip
The protection trip relay connects to the remote trip input of the generator circuit breaker.
Terminals 50 and 52 are typically not connected at the same time. Only one of these signals is taken
to the breaker, depending on whether the Protection Trip relay is configured for normally energized
or de-energized operation.