Skywest 138kV Substation

This project was to build a new six (6) breaker ring-bus substation which will be jointly owned by LCRA and Sharyland Utilities. This substation will contain two (2) Power Transformers and a with six (6) SF6 breakers with 40kA interrupting level for faults in a ringbus configuration. The positions on the ring are (4) 138kV line terminals, (2) 138kV positions for connection to the Main Power Transformers. The bus of the station insulation level shall be designed for 1300kV BIL rating.

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