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... PCS-902 line distance relay for overhead and underground transmission lines
NR Electric
... Product overview
PCS-902S is a line distance
relay that integrates primary and backup protection and comprehensive control functions for overhead lines, cables and hybrid transmission lines across multiple voltage levels. Designed ...
NR Electric
... broken conductor and dead-zone protection
Monitoring and Measurement
- Fault detection
NR Electric
... Product Overview
PCS-978 delivers a full-scheme protection and control solution for power transformers including multi‑winding transformers, auto‑transformers and shunt reactors. The device integrates up to 36 current/voltage inputs and up to ...
NR Electric
... Product overview
PCS-978S transformer
relay delivers fast, selective protection, control and monitoring for two-winding and three-winding transformers, auto-transformers and shunt reactors. All transformer protection elements ...
NR Electric
... Product Overview
PCS-9671 is a compact numerical transformer protection
relay designed for two-winding transformers. It supports reactor or stub-bus current differential protection and can be deployed in one-and-a-half breaker ...
NR Electric
... ground fault protection with low-frequency square-wave voltage injection (64RInj)
NR Electric
... winding overload protection (49E)
NR Electric
... fault, overexcitation, negative-sequence, phase & ground overcurrent, over/under voltage, frequency protections, thermal overload, impedance, breaker-related protections, mechanical protection ...
NR Electric
... overvoltage, negative/zero sequence protections, frequency protections, breaker failure, dead zone, broken conductor detection, thermal overload, undercurrent
NR Electric