InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf,
©ComAp – April 2015
171
Description
MGCB application only
NO
Disables automatic MGCB closing in the case that the
Sys start/stop output is activated.
YES
Enables automatic MGCB closing in the case that the
Sys start/stop output is activated.
N
OTE
:
In AUT mode, if the gen-set group is about to be
started to mains-parallel operation, it is suitable to
close the MGCB first (i.e. before any GCB is closed).
The first gen-set then synchronizes with the generator
bus and directly with the mains (both MCB and MGCB
are closed) and other gen-sets as well. If this is not
desired (for whatever reason), the function can be
blocked by adjusting this setpoint to NO. In that case,
the first gen-set is connected to the generator bus
(without load), and only after that the MGCB
synchronizing starts. Other gensets are then
synchronized through the bus to mains directly (the
same behavior as in YES setting).
N
OTE
:
MCBparalClose = YES is a forbidden state if setpoint
is set to BUS VOLTAGE. The second
adjusted setpoint is reverted back to NO
(MGCBparalClose) or GEN RUNNING (MCB opens
on).
MCB
CLOSED
Enables automatic MGCB closing after MCB is closed
with 5s delay (in AUT mode).
N
OTE
:
MGCB is closed if there is zero voltage on bus and
GCBs are open. Starting gen-sets are than directly
synchornized to mains voltage.
If Mains fails MGCB is opened after MCB is opened (if
there is no bus voltage).
N
OTE
:
MCBparalClose = MCBclosed is a forbidden state if
setpoint
second adjusted setpoint is reverted back to NO
(MGCBparalClose) or GEN RUNNING (MCB opens
on).
Содержание InteliMains NT IM-NT
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