IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
Setpoint: Ld shed active
DISABLED, ISLAND ONLY, ISL+TRIP PARAL, ALL THE TIME [-]
This setpoint is used for adjustment when the load shedding function will be active
(see also IM-NT-MCB/MGCB help for more information on MCB/MGCB).
The Load shedding function is disabled. All the outputs are
open.
In Island operation (e.g. MCB is open and MGCB is closed)
Load shedding outputs (e.g. LdShed stage 1) are controlled
by load shedding function.
This setting adjusts the same behavior as ISLAND ONLY but
in addition to it all load shedding outputs are closed when
gen-set group goes to island operation. For more information
see the chapter Load shedding.
Outputs are controlled by the load shedding function
regardless of breaker positions.
NOTE:
Learn more about load shedding in the separate chapter Load shedding.
Setpoint: Ld shed level
Ld recon level .. 200 [%]
This setpoint is used to adjust the relative load level (in % of nominal power of
gen-set) for load shedding. When the relative load level exceeds this level for
more than Ld shed delay time the next load shedding output is closed.
NOTE:
Learn more about load shedding in the separate chapter Load shedding.
Setpoint: Ld shed delay
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