Inteli NT MINT, SW Version 2.6, ©ComAp – November 2011
IGS-NT-MINT-2.6-Reference Guide.PDF
25
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,
IG-NT-BB,
IG-NTC-BB
IS-NT-BB,
IS-NTC-BB
59 Overvoltage
•
•
27 Undervoltage
•
•
47 Voltage
Assymetry
•
•
81H Overfrequency
•
•
81L Underfrequency
•
•
81R
Rate Of Change Of Frequency
•
•
50+51 Overcurrent
•
•
46 Current
Unbalance
•
•
32 Overload
•
•
50N+64
Earth Fault
•
•
32R Reverse
Power
•
•
25 Synchronism
Check
•
•
47 Phase
Rotation
•
•
37 Undercurrent
•
@
•
@
55 Power
Factor
•
@
•
@
71 Gas
(Fuel)
Level
•
•
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
Mains protections
Configurable
Mains protect
Fix protections
Fix
Engine params, Gener protect, Mains protect, Analog
protect