Commissioning Test Record - GE MFAC 14 User Manual

Section 7.

COMMISSIONING TEST RECORD

High Impedance Differential Relay Type MFAC
Station
Relay Model No.
Setting range
Setting voltage
Type of ext. metrosil
Test results
2.2.3 Relay CT shorting switch
2.2.4 Secondary voltage to operate relay.
Phase Total current (A1)
A
B
C
Drop off / pick up ratio check
2.2.6 Primary current to operate relay
Phase Primary current (A1)
A
B
C
N
Shunt resistor ohms
Calculated primary
operating current
Relay current (A2)
Relay current (A2)
21
Date
Circuit.
Serial No.
CT ratio
Relay setting
(if fitted)
PU volts DO volts
Relay voltage