GE MFAC 14 - Section 7. COMMISSIONING TEST RECORD; Test Record Header Information; Secondary Voltage to Operate Relay Test; Drop off; Pick Up Ratio Test

Section 7. COMMISSIONING TEST RECORD
High Impedance Differential Relay Type MFAC
Date
Station
Circuit.
Relay Model No. Serial No.
Setting range CT ratio
Setting voltage Relay setting
Type of ext. metrosil Shunt resistor ohms
(if fitted)
Calculated primary
operating current
Test results
2.2.3 Relay CT shorting switch
2.2.4 Secondary voltage to operate relay.
Phase
Total current (A1)
Relay current (A2)
PU volts
DO volts
A
B
C
Drop off / pick up ratio check
2.2.6 Primary current to operate relay
Phase
Primary current (A1)
Relay current (A2)
Relay voltage
A
B
C
N
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