3. Functional descriptions
3.1 Standard functions
The standard functions are listed in the following paragraphs.
Regulation modes
● Load sharing
● Fixed frequency
● Fixed power
● Frequency droop
Generator protection (ANSI)
● 2 × reverse power (32)
● 5 × overload (32)
● 6 × over-current (50/51)
● Inverse time over-current (51)
● 2 × over-voltage (59)
● 3 × under-voltage (27)
● 3 × over-/under-frequency (81)
● Voltage-dependent over-current (51V)
● Current/voltage unbalance (60)
● Loss of excitation/overexcitation (40/32RV)
Busbar protection (ANSI)
● 3 × over-voltage (59)
● 4 × under-voltage (27)
● 3 × over-frequency (81)
● 4 × under-frequency (81)
● Voltage unbalance (60)
● 3 × NEL groups
M-Logic (Micro PLC)
● Simple logic configuration tool
● Selectable input/output events
Display
● Status texts
● Info messages
● Alarm indication
● Prepared for remote mounting
● Prepared for additional remote displays
General
● USB interface to PC
● Free PC utility software
● Programmable parameters, timers and alarms
● User configurable texts
GPC-3 DRH 4189340587 UK
Functional descriptions
DEIF A/S Page 8 of 122