ComAp InteliATS NT STD User Manual

InteliATS
NT
STD, SW version 2.0, ©ComAp – June 2010 44
IA-NT- STD-2.0-Reference Guide.pdf
GenReadyToLoad signal is activated or
generator voltages are in allowed limits) and then GCB is reclosed
AMF sequen
• Controller waits for gen-set parameters are OK (means
ce (simplified)
State Condition of the transition Action Next state
Mains
operation
Mains failed
1
MCB CLOSE/OPEN off
EmergStart Del timer
Mains failure
started
Mains voltage and frequency OK
CLOSE/OPEN on Mains operation MCB
Mains
failure
art s
performed, th
E
Island operation EmergStart Del elapsed Engine st equence
en
/OPEN on
2
GCB CLOS
Island
operation
uency OK D Mains return Mains voltage and freq MainsReturn
started
el timer
Mains failed Island operation Mains
return
e stop
3
Mains operation MainsReturnDel elapsed GCB CLOSE/OPEN off,
then MCB CLOSE/OPEN
on and then engin
sequence performed
1
Mains failed means mains over/under -voltage, over/under -frequency, voltage assymetry (preset
closed and start-up sequence is
ed.
, MCB opened and
See also chapters: Circuit breakers timing
delay must elapse)
2
If during start-up sequence mains returns, then MCB is re
interrupt
3
If mains fails during stop procedure (cooling) again, stop sequence is interrupted
GCB reclosed.
and AMF time chart.
WARNING!
If an red alarm is present and the gen-set is in AUT mode, it can start by self after all red alarms
becomes inactive and are acknowledged!!!

ComAp InteliATS NT STD Specifications

General

Brand	ComAp
Model	InteliATS NT STD
Category	Controller
Language	English