ABB RET650 2.1 IEC Commissioning Manual page 11

Transformer protection
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Transformer protection RET650 2.1 IEC
Commissioning manual
Gas medium supervision SSIMG................................................ 92
out conditions......................................................................... 93
Completing the test................................................................ 93
Liquid medium supervision SSIML.............................................. 93
Testing the liquid medium supervision for alarm and lock
out conditions......................................................................... 93
Completing the test................................................................ 94
Breaker monitoring SSCBR.........................................................94
Verifying the settings.............................................................. 94
Completing the test................................................................ 96
Event function EVENT.................................................................96
Limit counter L4UFCNT...............................................................96
Completing the test................................................................ 97
Metering............................................................................................97
Pulse-counter logic PCFCNT...................................................... 97
ETPMMTR...................................................................................97
Verifying the settings.............................................................. 97
Completing the test................................................................ 98
Station communication..................................................................... 99
MULTICMDSND.......................................................................... 99
Basic IED functions.......................................................................... 99
Parameter setting group handling SETGRPS............................. 99
Verifying the settings.............................................................. 99
Completing the test.............................................................. 100
Exit test mode.................................................................................100
Section 11 Checking the directionality........................................... 101
Overview.........................................................................................101
clearing system............................................................ 105
Commissioning tests...................................................................... 105
Periodic maintenance tests............................................................ 105
Visual inspection........................................................................106
Maintenance tests..................................................................... 106
Preparation...........................................................................106
Recording............................................................................. 107
Secondary injection.............................................................. 107
Alarm test............................................................................. 107
Self supervision check..........................................................107
Trip circuit check.................................................................. 107
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