ComAp IM-NT - Protections and Alarm Management

InteliMains
NT
, SW version 3.0
InteliMains-NT-BTB-3.0-Reference Guide.pdf, ©ComAp – June 2013
72
8 Protections and Alarm management
ComAp mains controllers provide following range of mains protections.
For each protection adjustable limit and time delay are available.
ANSI
CODE
PROTECTION
IM-NT,
IM-NT-BB
59
Overvoltage

27
Undervoltage

47
Voltage Unbalance and Phase-sequence

81H
Overfrequency

81L
Underfrequency

46
Current Unbalance

@
25
Synchronism Check

79
AC Reclosing

32P
Load Shedding

37
Undercurrent

@
55
Power Factor

@
49T
Temperature Monitoring (using configurable Analog input)

@
NOTE:
 - included
@
- example of protections that can be created using universal protections (it is possible to utilize
controller functions to prepare even more protections)
8.1.1 Protection groups
PROTECTION GROUP
COFIGURABILITY
SETPOINT GROUP
Analog protections
Configurable
Analog protect
Bus protections
Configurable
BusL protect
BusR protect
Fixed protections
Fixed
BusL protect
BusR protect