NG20
Generator protection
Several functions, required for synchronous generators and not self-started synchronous motors are included.
FUNCTIONS
Standard Protective & control elements
- Under Voltage - 27
- Directional active overpower - 32P
- Directional active underpower - 37P
- Loss of Field - 40(M/G)
- Negative sequence overcurrent Motor/Generator - 46M, 46G
- Thermal Image Motor/Generator - 49MG
- Phase overcurrent side H and side L - 50/51
- Maximum Residual Overcurrent - 50N/51N
- Voltage restraint overcurrent - 51V
- Minimum Power Factor - 55
- Overvoltage - 59
- Residual Overvoltage - 59N
- Low impedance restricted earth fault - 64REF
- Over frequency - 81O
- Under frequency - 81U
- Breaker Failure - BF
- CT Supervision - 74CT
- VT Supervision - 74VT
- Trip Circuit Supervision - 74TCS
SW Pack optional configuration
- Thermal with Pt100 Probes - 26
COMMUNICATION FUNCTIONS
- One USB Type B local port for communication with ThyVisor setup software
DOWNLOADS
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