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GPS Ground Relay Wiring Guide by Ursula Johnson is a document available to read on EtoBox.
What is GPS Ground Relay Wiring Guide about?
This relay distinguishes ground faults by zero phase voltage and current, and operates with a circuit breaker to protect distribution lines. It uses a zero phase current transformer rated at 200mA primary and 1.5mA secondary current. It also helps prevent misoperations from vibrations or shocks when used with a ground overvoltage relay.
- Author
- Ursula Johnson
- Language
- EN