This was the moment of truth. On May 8, 2016, the Energy Control Center was about to issue the command to close Breaker 4 and energize the first 345-kV transformer at the East 13th Street substation. At 1:58 p.m. the command was sent, Breaker 4 closed, and the new integrated substation automation and protection system (SAPS) was officially on-line.
A few team members momentarily held their breath as the Breaker 4 command was issued. It was Con Edison’s first time installing and energizing the 345-kV Plug and Switch System (PASS) breaker. In addition, the technicians were also installing a new SAPS, which was completely based on an IEC 61850 fiber-optic architecture. After exhaustive testing and double and triple checks, the breaker operation was anticlimactic. The power came back on, and everything worked as expected.
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