- Electricity - Electronics >
- Switch and Relay >
- Frequency protection relay >
- NR Electric
NR Electric frequency protection relays
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... phase-to-ground distance protection (21L)
NR Electric
... phase overcurrent protection (50/51P)
NR Electric
... phase-to-ground distance protection (21T)
NR Electric
... out-of-step protection (78)
NR Electric
... shutdown protection (StShut)
NR Electric
... overvoltage protection (59P)
NR Electric
... overvoltage (59G)
NR Electric
... differential protection (87M)
NR Electric
... directional earth-fault protection (85)
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
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