ComAp InteliATS NT STD

InteliATS
NT
STD, SW version 2.0, ©ComAp – June 2010 48
IA-NT- STD-2.0-Reference Guide.pdf
Voltage phase sequence detection
InteliATS
NT
controller detects phase sequence on both generator and mains/bus v
These protections are important after c
oltage terminals.
ontroller installation to avoid wrong voltage phases phase
s can be detected:
The
T
controller L1, L2, L3. When the phases are
conn 2, L1, L3) following alarms are detected:
Gen CCW Rot = wrong generator phase sequence
Mains CCW Rot = wrong mains phase sequence
connection. Following alarm
Wrong phase sequence
re is fix defined phase sequence in InteliATS
N
ected in different order (e.g. L1, L3, L2 or L