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Protection and Control
- Five-zone phase-to-phase distance protection (21P) and five-zone phase-to-ground distance protection (21G)
- Pilot scheme
NR Electric
... six-zone phase-to-ground distance protection (21L)
NR Electric
... Overview
The PCS-931 line
protection
relay provides integrated differential and
distance
protection for overhead lines and underground cables. It combines phase-segregated differential ...
NR Electric
... and phase-to-ground distance protection (21L)
NR Electric
... Four-zone phase-to-ground distance protection (21T)
NR Electric
... >
Protection and Control
- Phase Overcurrent Protection (50/51P)
- Earth Fault Overcurrent Protection (50/51G)
- Another Group of Earth
NR Electric
... 61850-8-1 MMS.
Protection functions
- Six-stage phase overcurrent protection (50/51P)
- Four-stage directional phase overcurrent protection
NR Electric