Over Voltage Protection - DEMA 400 Series User Manual

59 – Over voltage Protection
4.3.3.1
The overvoltage protection settings are located Main Menu> Protection Settings> Voltage
Protection Settings> Overvoltage Protection.
The protection is activated if the mains voltage exceeds the specified protection range. It
works with phase-phase or phase-neutral voltage information. The voltage of each phase is
monitored separately.
Directional phase overcurrent protection is indicated by U> ve U>> in IEC 60617 Standards;
DEI_PIOC_1, DEI_PIOC_2, DEI_PIOC_3, PHI_PIOV_1 ve PHI_PIOV_2 in IEC 61850;
ise 59-I-1 ve 59-I-2 in IEEE/ANSI Standards
EŞİK-1 PHI_PIOV_1
EŞİK-2 PHI_PIOV_2
The menu view is as follows. The menu consists of seven lines.
Voltage Protection Settings Display

Over voltage Protection

IEC 61850
Over Voltage Protection Function Symbols
IEC 60617 IEEE-ANSI
U> 59-I-1
U>> 59-I-2
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