Citra Wahana Sekar Buana


Protection & Control Systems


GRZ100 is a full-scheme, high-speed, numerical distance relay for application to transmission lines in solidly earthed networks.

This well-proven product provides extremely high performance through its advanced numeric design, with full-scheme, phase-selective distance protection giving typically one-cycle operating times.

Command protection schemes, back-up overcurrent, switch-on-to-fault and stub protections, out-of-step tripping and circuit breaker fail protection complete a powerful.

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