ABB ret650, Commissioning Manual, Page: 12 / 110

Testing control functions...................................................................65
Voltage control.............................................................................65
Secondary test.......................................................................67
Check the activation of the voltage control operation.............68
Check the normal voltage regulation function........................69
Check the undervoltage block function..................................69
Check the upper and lower busbar voltage limit....................69
Check the overcurrent block function.....................................70
Automatic voltage control for tap changer, parallel
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
Section 7 Commissioning and maintenance of the fault
clearing system..............................................................79
Commissioning and maintenance of the fault 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
Table of contents
4
Commissioning Manual