DOCA0257EN-00

Voltage Phase Loss

Description

The voltage phase loss trip is activated, when one of the voltage phase is lost.

The voltage phase loss protection function generates the following signals:

  • Alarm: Voltage imbalance goes above 38%.

  • Trip: Voltage imbalance goes above 38% for the specified time delay.

Voltage phase loss is not applicable in single-phase mode.

Parameter Setting

The voltage phase loss protection function has the following configurable settings:

Parameter

Setting range

Default value

Function

  • Disable

  • Alarm
  • Trip
  • Alarm + Trip

Trip

Time Delay

0.1–6000.0 s in step of 0.1 s

0.1 s

Reset Mode

  • Reset key

  • DI

  • Communication

  • Auto

DI + Reset Key

Auto-Reset Delay (applicable only if Reset mode is Auto)

0.0–6000.0 s in step of 0.1 s

0 s

QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

Was this helpful?