IGS-NT-BC, SW Version 1.2.0,
©ComAp – January 2019
IGS-NT-BC-1.2.0 Reference Guide.PDF
49
Protections and Alarm management
ComAp gen-set controllers provide following range of generator protections.
For each protection adjustable limit and time delay are available.
ANSI
CODE
P
ROTECTION
IG-NT, IG-NTC,
IS-NT-BB,
IG-NT-BB, IG-NTC-BB
IS-NTC-BB
25
Synchronism Check
•
•
27
Undervoltage
•
•
32
Overload
•
•
32R
Reverse Power
•
•
37
Undercurrent
•
@
•
@
40
Excitation Loss
•
•
46
Current Unbalance
•
•
47
Voltage Assymetry
•
•
47
Phase Rotation
•
•
50+51
Overcurrent
•
•
50N+64
Earth Fault Current
•
•
51N+64
Earth Fault Current, IDMT
•
•
55
Power Factor
•
@
•
@
59
Overvoltage
•
•
71
Gas (Fuel) Level
•
•
81H
Overfrequency
•
•
81L
Underfrequency
•
•
Note:
- excluded;
•
- included
@
- can be created using universal protections
Protection groups
There are two groups of protections in the controller: fix and universal (configurable)
P
ROTECTION
G
ROUP
C
ONFIGURABILITY
S
ETTINGS
Analogu protection
Configurable
Analog protect
Generator
protection
Configurable
Gener protect
Fix protections
Fix
Engine params, Gener protect, Mains protect, Analog
protect