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5 Cards in this Set
- Front
- Back
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What is the purpose of the two Switchyard station power transformers? Steps: A. Down 13.8-kV to 208 V for Switchyard use. B. Up 4.16-kV to 13.8 kV for bus SL-7 and SL-8. C. Up 13.8-kV to 69-kV for Burlington/Athens power supply. D. Down 69-kV to 13.8-kV for manual throw over 13-23.
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Answer 1. A
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The WCGS Switchyard uses line traps to: A. Isolate SF-6 breakers from the rest of the Switchyard for maintenance or fault protection. B. Connect the plant to the Switchyard and the Switchyard to other switchyards. C. Prevent certain radio frequencies from being transmitted into the Switchyard. D. Delineate right-of-way between WCGS operated equipment and System Operations operated equipment.
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Answer 2. C
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What is the electrical power supply for the motor control center located in the Blowdown Discharge Structure, during normal lineup? A. Athens substation. B. Makeup Discharge Structure. C. Burlington back feed. D. Greene Substation.
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Answer 1. D
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What is the normal power supply to the Construction Power Loop?
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Answer: SL-8 in the No. 1 switchgear house normally supplies Site Construction Power Loop via breakers 13-2 (13-4 alt)
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What is the purpose of the Site D.C. Power Distribution System?
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Provide DC power for control and metering devices for Site components.
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