More information
See GENSET controller, Engine start for more information.
More information
See EMERGENCY genset controller, EMERGENCY genset controller protections for more information.
9.4 Engine stop
9.4.1 Engine stop function
The controller software includes pre-programmed emergency genset stop sequences.
More information
See GENSET controller, Engine stop for more information.
More information
See EMERGENCY genset controller, EMERGENCY genset controller protections for more information.
9.5 Emergency genset breakers
9.5.1 Introduction
The generator breaker (GB) connects the emergency genset to the emergency busbar and the tie breaker (TB) connects the
emergency busbar to the main busbar. The tie breaker is an important part of the system safety, and trips to protect the genset from
problems on the busbar. The generator breaker trips to stop genset problems from disturbing the busbar.
More information
See EMERGENCY genset controller breaker parameters in this chapter for information about how the emergency
genset can connect.
General breaker information
More information
See the Breakers, synchronisation and de-loading chapter for more information on synchronisation and breakers. This
includes the inputs and output functions and the parameters to configure.
For the EMERGENCY genset controller, the breaker abbreviation ([*B]) is GB or TB. [Breaker] refers to Generator breaker or Tie
breaker.
9.5.2 EMERGENCY genset controller breaker parameters
Generator breaker parameter
Configure this parameter under Configuration > Parameters > Breakers > Generator breaker configuration > Configuration.
Parameter
Range Default Comment
Generator breaker
transfer delay
0 to 10 s 0.5 s
This parameter only has an effect if Tie breaker sync. enabled is Not enabled. The
controller starts the timer when it detects tie breaker open feedback. The generator
breaker cannot close while the delay timer is running.
Tie breaker parameters
Configure these parameters under Configuration > Parameters > Breakers > Tie breaker configuration > Configuration.
DESIGNER'S HANDBOOK 4189340911K UK Page 326 of 521
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