Himoinsa

MAXIMUM GENSET FREQUENCY

UnclassifiedElectrical

What This Code Means

Real voltage value from genset phases is over the maximum programmed voltage limits; Immediate engine stop; Genset frequency surpasses the maximum programmed frequency limits; Genset voltage exceeds maximum programmed limits; Genset frequency surpasses maximum programmed limits

Possible Causes

  • •Real voltage value from genset phases (V1N for single-phase, V12 for bi-phase, or V12, V23, V13 for three-phase configurations) exceeds the maximum programmed voltage limits (Thresholds table parameter 2) during the configured stabilization time (alarms table parameter 35).
  • •Frequency generated by the genset surpasses the maximum programmed frequency limits (Thresholds table parameter 5) during the associated stabilization time (alarms table parameter 38).
  • •Real voltage value obtained from any pair of phases of the genset (VG12, VG23 or VG31) is over the maximum programmed voltage limits (Thresholds table parameter 2) during the configured stabilization time (alarms table parameter 35).
  • •Frequency generated by the genset surpasses the maximum programmed frequency limits (Thresholds table parameter 5) during the configured stabilization time (alarms table parameter 38).

Suggested Actions

  1. 1Immediate engine stop (automatic system action configured via alarms table parameter 36)
  2. 2Immediate engine stop (if configured via alarms table parameter 36)

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