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<br /> <br /> <br />cal. <br /> <br />Main Components of E_te_ _ <br /> <br />Traction Power Supply (TPS) <br />· 25kV ac auto-transformer configuration <br />· 2 main substations at SSF and SJ (115kV utility supply) <br />· 7 paralleling stations, 1 switching station <br /> <br />Overhead Catenary System (OCS) <br />· 4 wire system (messenger, contact, feeder, static) <br />· 30 to 40 ft. high located on outside of tracks (150-200ft apart) <br />· Cantilevers for 2-track areas and headspan arrangements in <br />multi-track areas <br />Communications System <br />· Fiber optics to provides communication link for operation of the <br />electrification system (96 fiber secure ring) <br />· Provides support network for existing and future control and <br />information systems (10Gb bandwidth and 100 access points) <br /> <br /> <br /> <br />