NR Electric differential protection relays

1 company | 13 products
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distance protection relay
distance protection relay
PCS-931

... The PCS-931 relay provides full-scheme current differential and distance protection solutions for transmission lines with high- speed sub-cycle distance element. As well, the pilot scheme of distance ...

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distance protection relay
distance protection relay
PCS-931S

... rate-of-change protection (81R) • Two stages reverse power protection (32R) • Two stages thermal overload protection (49P) • One stage undercurrent protection (37) • Breaker failure ...

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NR Electric
current protection relay
current protection relay
PCS-915IC

... 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 ...

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current protection relay
current protection relay
PCS-915SC

... 20 bays; cascading of three devices can protect up to 32 bays). • Busbar current differential protection (87B) • Bus coupler/section protection • Feeder protection • Voltage and ...

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NR Electric
voltage protection relay
voltage protection relay
PCS-915ID

... commissioning and maintenance. Busbar current differential protection (87B) Phase current differential protection Percentage restraint DPFC differential protection DPFC ...

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NR Electric
current protection relay
current protection relay
PCS-978

... biased current differential protection (87T) • Transformer unrestrained instantaneous current differential protection (87T) • Transformer biased DPFC current differential ...

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over-voltage protection relay
over-voltage protection relay
PCS-978S

... Winding differential protection (87W) • Overexcitation protection (24) • Mechanical protection (MR) • Phase overcurrent protection (67P, 50/51P) • ...

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current protection relay
current protection relay
PCS-9671

... saturation detection • Phase overcurrent protection (50/51P) • Zero sequence overcurrent protection (50/51G) • Negative sequence overcurrent protection ...

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current protection relay
current protection relay
PCS-985B/AW

... modes. • Current differential protection of generator-transformer unit (87GT) • Current differential protection of generator (87G) • Current differential protection ...

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voltage protection relay
voltage protection relay
PCS-985GI

... high performance numerical generator protection device, which integrates main and backup protection into one device. It provides complete protection of a generator in power plant, and it also provides ...

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NR Electric
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