ABB ret650 Commissioning Manual page 12

Transformer protection
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4
Testing control functions...................................................................65
Voltage control.............................................................................65
Secondary test.......................................................................67
Check the undervoltage block function..................................69
Check the overcurrent block function.....................................70
control TR8ATCC...................................................................70
Completing the test................................................................74
Testing logic functions......................................................................75
Tripping logic SMPPTRC ............................................................75
Three phase operating mode.................................................75
Circuit breaker lockout............................................................75
Completing the test................................................................76
Testing monitoring functions.............................................................76
Event counter CNTGGIO.............................................................76
Testing metering functions...............................................................76
Pulse counter PCGGIO...............................................................76
Exit test mode...................................................................................76
clearing system..............................................................79
Installation and commissioning....................................................79
Commissioning tests...................................................................80
Periodic maintenance tests.........................................................80
Visual inspection....................................................................81
Maintenance tests..................................................................81
Section 8 Troubleshooting .............................................................85
Fault tracing......................................................................................85
Identifying hardware errors..........................................................85
Identifying runtime errors.............................................................85
Identifying communication errors.................................................85
Checking the communication link operation...........................86
Checking the time synchronization.........................................86
Running the display test..............................................................86
Indication messages.........................................................................87
Internal faults...............................................................................87
Warnings.....................................................................................87
Additional indications...................................................................88
Correction procedures......................................................................88
Commissioning Manual

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