ComAp InteliMains NT IM-NT-BB - 8 Protections and Alarm Management; Protection Groups; Protection Types

InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf, ©ComAp – April 2015
135
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
25
Synchronism Check

27
Undervoltage

32P
Load Shedding

37
Undercurrent

@

46
Current Unbalance

47
Voltage Unbalance and Phase-sequence

49T
Temperature Monitoring (using configurable Analog
input)

@

51
AC Inverse Time Overcurrent

55
Power Factor

@

59
Overvoltage

78
Vector Shift

79
AC Reclosing

81H
Overfrequency

81L
Underfrequency

81R
ROCOF

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
Mains protections
Configurable
Mains protect
Fixed protections
Fixed
Mains protect
Bus protect
8.1.2 Protection types
LEVEL
PROTECTION TYPE
ABBREVI
ATION
CONTROLLER ACTION
RECORD
FAULT RESET
NEEDED