Thomson Power Systems

LDC

UnclassifiedElectrical

What This Code Means

Under Frequency; Over Frequency; 3 Phase Over Voltage; Phase Sequence error; Phase Rotation error; Voltage Phase Loss; Voltage Unbalance

Possible Causes

  • •Utility or Generator source instability

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FTTATS NOT IN AUTOMAINS FAIL TO CLOSE ALARMTRANSFER FAILFAIL TO EXERCISER ALARMFAIL TO EXERCISER
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