Protective Relaying. Primary Line Protection: Directional Comparison Unblocking Pilot Relaying over Power Line Carrier shall be provided via the existing numerical distance relay. This relaying system shall be set selective within the prescribed zones of protection based on system protection analysis. The relay will directly trip and block the closure of the breaker(s). The relay shall be of utility grade and meet Transmission Owner’s standards. Identical primary line protection will be installed for the second line connection. Secondary Line Protection: Line Current Differential Relaying over Digital Microwave channels will be provided via a microprocessor based current differential relay. This relay will be set to provide backup distance protection if the communications channels are lost and be selective within the prescribed zones of protection based on system protection analysis. The relay will directly trip and block the closure of the breaker(s). Identical secondary line protection will installed for the second line connection.
Appears in 7 contracts
Samples: Interconnection Agreement, Interconnection Agreement, Interconnection Agreement
