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- Current protection relay >
- NR Electric
NR Electric current protection relays
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... -stage phase overcurrent protection (50/51P, 67P) • Zero sequence overcurrent protection (50/51G, 67G) • Sensitive earth fault protection (51SEF, 67SEF) • Negative ...
NR Electric
... Six-stage phase overcurrent protection(50/51P) • Four-stage directional phase overcurrent protection (67P) • Six-stage neutral/ground overcurrent protection(50/51N, ...
NR Electric
... Under-frequency protection, overfrequency protection and rate-of-change of frequency (81U/O/R) • Reverse power protection. (32R) • Under power protection. ...
NR Electric
... rate-of-change protection (81R) • Two stages reverse power protection (32R) • Two stages thermal overload protection (49P) • One stage undercurrent protection (37) • ...
NR Electric
... feeders. It provides fast and secure low impedance busbar protection with sub-cycle tripping time. Check zone and discrimination zone of differential protection are equipped in the relay to minimize ...
NR Electric
... cascading of three devices can protect up to 32 bays). • Busbar current differential protection (87B) • Bus coupler/section protection • Feeder protection • Voltage and current ...
NR Electric
... easier commissioning and maintenance. Busbar current differential protection (87B) Phase current differential protection Percentage restraint DPFC differential protection DPFC ...
NR Electric
... Transformer biased current differential protection (87T) • Transformer unrestrained instantaneous current differential protection (87T) • Transformer biased DPFC current ...
NR Electric
... differential protection (87W) • Overexcitation protection (24) • Mechanical protection (MR) • Phase overcurrent protection (67P, 50/51P) • Earth-fault protection ...
NR Electric
... saturation detection • Phase overcurrent protection (50/51P) • Zero sequence overcurrent protection (50/51G) • Negative sequence overcurrent protection ...
NR Electric
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