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- NR Electric
NR Electric frequency protection relays
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... Current differential protection (87T) • Transformer restricted earth fault protection (64REF) • Negative-sequence Overcurrent protection (50/51Q) • Overexcitation protection ...
NR Electric
... -stage phase overcurrent protection (50/51P, 67P) • Zero sequence overcurrent protection (50/51G, 67G) • Sensitive earth fault protection (51SEF, 67SEF) • Negative ...
NR Electric
... directional phase overcurrent protection (67P) • Six-stage neutral/ground overcurrent protection(50/51N, 50/51G) • Four-stage directional neutral/ground overcurrent ...
NR Electric
... echo. High-speed DPFC distance protection (21D) Innovative Deviation of Power Frequency Component (DPFC) distance protection quickly clears faults in a sub- cycle. DPFC is immune to the load fluctuation, ...
NR Electric
... numerical relay provides protection for circuit breakers, which includes breaker failure protection, pole discrepancy protection, dead zone protection, phase/ negative ...
NR Electric
... The PCS-9611 relay is a protection, control and monitoring unit for various applications (such as overhead line, underground cable and transformer etc.) on solidly ground, impedance grounded, Peterson coil grounded and ...
NR Electric
... ground overcurrent protection. (67G, 50/51G) • Sensitive earth fault protection. (67SG/51SG) • Negative sequence overcurrent protection. (46) • Broken conductor detection. ...
NR Electric
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