Term
13KV Site Services
Purpose |
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Definition
| Provides a reliable and backed up source f power to the 13KV Auxiliary Loop Electrical System |
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Term
13 KV Site Services
Design Basis |
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Definition
2 Redundant power sources suppling 480/240/120 to:
Salem TSC/B Building/4KV Breaker Shop/Admin Building/Services Building/NOSF/Fab Shop/ Secondary Chemistry Lab/ TP&L Loads |
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Term
| What Bus Group Feeds Switching/Subststions 2,4,5 |
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Definition
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Term
| Which Substation/Switching Stations have Key interlocks and Why? |
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Definition
1 and 5 due to Line of sight seperation between the Switching station and the Substation.
6 is the newest style and has a built in Key interlock to ensure disconnects are not opened under load. |
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Term
Which Substations have forced air cooling for their transformers?
strip Heaters?
How are they powered? |
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Definition
1,3,5 have cooling fans
all have strip heaters.
Both Fans and strip heaters are powered from 13KV to 120 VAC transformers |
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Term
| automatic recloser function and operation |
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Definition
Fast acting circuit breaker that is designed to close again to clear non-persistant faults on overhead lines o buses.
Our reclosures have been set up to be a "one shot to lockout". Meaning they will open upon fault and not reclose without manual manipulation |
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Term
| Which two recloser units are set up to open automatically on a loss of supply power? |
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Definition
| Reclosers 1 and 2 will open automatically upon a loss of supply power after a 20 sec time delay |
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Term
| Which Relosers will change their min trip settings when power loss is sensed? |
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Definition
Reclosers 3/4/5
Settings will reduce from 480a to 240a |
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Term
What power do the reclosers use to close?
to open? |
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Definition
AC Power is used to close the reclosers from being energized by either side of the recloser
Opening or "Trip" voltage is supplied by a self charged internal DC battery. |
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Term
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Definition
U1 and U2 Plant computer
Secondary Chem Lab
Admin Telephone(DID)
Cross Flow enclosure
U1 Hydrogen Dryer |
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Term
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Definition
Maintenance Facilities- Building 470
Maintenance TP&L loads |
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Term
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Definition
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Term
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Definition
Reverse Osmosis - Demin Plant
SWIS Weld recept. |
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Term
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Definition
"B" Building/TSC
U1/U2 Containment Maint. Power |
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Term
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Definition
New Maintenance Shop
Security Vehicle Barrier System |
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