Electrical · E-9V8SS

Standby Switchgear One-Line Diagram

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Electrical one-line diagram illustrating the distribution from transformers to switchgear units including SW-73DB-STNBY, SW-73DA-COGEN, and associated circuit breakers and bus ducts. The system features 12.47kV to 480V transformers with 1000kVA OA and 1150kVA FA ratings connected to 480V, 3-phase, 3-wire, 2000A buses. Circuit breakers are specified with various amp trip (AT) and amp frame (AF) ratings such as 2000AT/2000AF, 1600AT/1600AF, and 600AT/800AF. Connections extend to distribution panels and emergency buses including B-SPF-SWGR and B-EM-STNBY.

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