Table of Contents
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1.
Relay identification
Type
Model
Station
Circuit
Protection scheme
Active settings group number
2.
Preliminary check
Ratings
CT shorting contacts
DC power supply
Power up
Wiring
Relay inoperative
alarm contact
Calendar and clock
3.
Hardware check
3.1 User interface check
3.2 Binary input/Binary output circuit check
Binary input circuit
Binary output circuit
3.3 AC input circuit
4.
Function test
4.1 Phase current differential element DIF test
(1) Minimum operating value test
Tap setting
(2) Charging current compensation test
Tap setting
(3) Percentage restraining characteristic test
Serial number
System frequency
Date
Engineer
Witness
I
Measured current
Measured current
382
6 F 2 S 0 8 5 0
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