IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
Mains protect: VectorS prot; VectorS
CB sel; Vector S limit
Mains protect: Mains >V MP; Mains <V
MP; Mains V del
10 min moving average of mains voltage
Mains protect: Mains Avg >V MP
Mains protect: Mains >f; Mains <f;
Mains f del
Rate of Change of Frequency
Mains protect: ROCOF df/dt, ROCOF
Win
Reverse power (UnivState 1)
Gener protect: Reverse power;
ReversePwr del
Batt <V, Batt >V (UnivState 2)
Analog protect: Batt >V; Batt <V; Batt V
del
Gener protect: Gen I unbal; Gen I unb
del
Gener protect: Gen V unbal;Gen V unb
del
Mains protect: Mains V unbal; Mains
Vunb del
Mains voltage and frequency protections - limits and indications
Basic settings:
VoltProtselect = PHASE-NEUTRAL
Mains protect: Mains >V MP
Mains <V MP
Mains V del
Mains >f
Mains <f
Mains f del
MP L1 under
MP L2 under
MP L3 under
MP L1 over
MP L2 over
MP L3 over
Mains V L1-N
MP fmns under
MP fmns over
Mains freq
Mains V L2-N
Mains V L3-N
HINT
Mains protect is a setpoints group that contain setpoints related to mains protection evaluation. MP L1
under, Mains L1-N and etc. are alarms that occurs when mains protection is evaluated.
For more information about Mains protection see chapter Setpoints / Mains protect of this manual
MP L12 under
MP L23 under
MP L31 under
MP L12 over
MP L23 over
MP L31 over
Mains V L1-L2
MP fmns under
MP fmns over
Mains freq
Mains V L2-L3
Mains V L3-L1
Mains protect: Mains >V MP
Mains <V MP
Mains V del
Mains >f
Mains <f
Mains f del
Basic settings:
VoltProtselect = PHASE-PHASE