Valley Station. The Transmission Owner will design and construct System Upgrade Facilities at Valley Station, including line Relay Protection Packages associated with the addition of the Fairfield Station in the existing 115 kV Valley - Inghams #3 line. All modifications will adhere to NPCC Document A-5: Bulk Power System Protection Criteria. Control and protection additions/ replacements will include: Protection packages for line to the Interconnection Station. Primary system will be a POTT communication scheme with a new multi-function line protection relay and new audio-tone communication system, including telephone circuit. Alternate system will be a DCUB communication scheme with existing multi-function line protection relay and a new power line carrier system Breaker failure protection (primary and alternate) relays and DTT transmit/receive capability to the Interconnection Station for local breakers RX30 and R120 to/from remote breakers via carrier and audio-tone, including telephone circuit, DTT receive relays carrier transmit/receive system, and audio-tone transmit/receive system. Test, calibration and commissioning of all new equipment. Retire existing Line 3 protection relaying. Install new cabinets to accommodate the above listed items, as necessary. Install cable tray and control cables to interface with new cabinets. Remote Terminal Unit phone circuit upgrades with frame relay circuits and fiber optic wire to be determined. Annunciator to be installed with the new relay cabinets.
Appears in 4 contracts
Samples: Interconnection Agreement, Interconnection Agreement, Interconnection Agreement
