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- NR Electric
NR Electric under-frequency protection relays
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... directional earth-fault protection (85)
NR Electric
... phase-to-ground distance protection (21L)
NR Electric
... comprehensive
protection for diverse transmission-line configurations.
Protection and Control
- Phase-segregated DPFC differential protection (87L) and phase/neutral current differential
- Multi-zone
NR Electric
... busbar relay integrates busbar differential protection, bus coupler/section protection (overcurrent protection, switch-onto-fault protection, dead zone fault protection, ...
NR Electric
... phase overcurrent protection (50/51P)
NR Electric
... phase-to-ground distance protection (21T)
NR Electric
... PCS-921 numerical relay provides comprehensive protection and control for circuit breakers, including breaker-failure protection, pole-discrepancy and dead-zone protection, phase/negative-sequence ...
NR Electric
... out-of-step protection (78)
NR Electric
... Loss of excitation protection (40G)
NR Electric
... overvoltage protection (59P)
NR Electric
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