Protection Packages. For the ‘A’ package, the existing SEL-321 distance relay will be reused, converted to a POTT scheme, and reset for the shorter line. The existing SEL 311C relay in the ‘B’ package will be reused and reset for the shorter line. DTT receive for breaker failure at Middle Road Substation will be added requiring the addition of an SEL-351-6 relay. Telecommunications Communication to Middle Road Substation will be via the existing fiber for the POTT and DTT schemes using new MTS cards in an RFL IMUX 2000. A new panel will be installed adjacent to the existing line relays to house the communication equipment and DTT relay. Therefore, ADSS cable will be extended from Structure 319 outside of the station to the control house. One (1) free-standing rack will need to be installed to terminate ADSS.
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Samples: Lgia, Lgia, Interconnection Agreement
Protection Packages. For F or the ‘A’ package, the existing SEL-321 distance relay will be reused, converted to a POTT scheme, and reset for the shorter line. The existing SEL 311C relay in the ‘B’ package will be reused and reset for the shorter line. DTT receive for breaker failure at Middle Road Substation will be added requiring the addition of an SEL-351-6 relay. Telecommunications Communication to Middle Road Substation will be via the existing fiber for the POTT and DTT schemes using new MTS cards in an RFL IMUX 2000. A new panel will be installed adjacent to the existing line relays to house the communication equipment and DTT relay. Therefore, ADSS cable will be extended from Structure 319 outside of the station to the control house. One (1) free-standing rack will need to be installed to terminate ADSS.
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