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SERVICES
NEWS 
EVENT CALENDOR 
CONTACT US 
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Protection and Control
Phase Overcurrent Protection (50/51P)
Earth Fault Overcurrent Protection (50/51G)
Another Group of Earth Fault Overcurrent Protection (A.50/51G)
Negative-sequence Overcurrent Protection (50/51Q)
Broken Conductor Protection (46BC)
Sensitive Earth Fault Protection (50/51SEF)
RMS Overcurrent Protection (50/51R)
Phase Overvoltage Protection (59P)
Residual Overvoltage Protection (59G)
Negative-sequence Overvoltage Protection (59Q)
Positive-sequence Overvoltage Protection (59Pos)
Phase Undervoltage Protection (27P)
Overfrequency Protection (81O)
Underfrequency Protection (81U)
Frequency Rate-of-change Protection (81R)
Reverse Power Protection (32R)
Cold Load Pickup Logic (CLP)
Undercurrent Protection (37)
Breaker Failure Protection (50BF)
Switch-on-to-Fault Protection (SOTF)
Thermal Overload Protection (49)
Restricted Earth Fault Protection (64REF)
Arc Flash Protection (50L/NL)
Current Unbalance Protection (60/50)
Voltage Unbalance Protection (60/59)
Automatic Reclosure (79)
Another Group of Phase Overcurrent Protection (S2.50/51P)
Distance Protection (21L)
Fault Location (FL)
Switchgear control
Double point status synthesis
Remote/Local control mode switch
Interlocking logic for control
Direct control
Closing synchronism check with voltage selection
Switchgear trip counter
