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Power Plant Construction and QA/QC Section 4.4 – In-Plant Electrical Distribution Engineering Technology Division.

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Presentation on theme: "Power Plant Construction and QA/QC Section 4.4 – In-Plant Electrical Distribution Engineering Technology Division."— Presentation transcript:

1 Power Plant Construction and QA/QC Section 4.4 – In-Plant Electrical Distribution Engineering Technology Division

2 2 Section 4.4 – In-Plant Electrical Distribution Overview Loads vary – 5v to 13.8 kV Vital and Non Vital loads Both AC and DC voltage Multiple Power Sources – Battery, Emergency Generators Protection Voltage Current Faults Shorts Connection – Wire and bus trays

3 3 Section 4.4 – In-Plant Electrical Distribution Power Plant Distribution - Concept Source 1 Transformer Switchgear Load Center Vital Load Center Transformer Source 2 Transformer Switchgear Load Center Transformer Source 3 13.8 kV To 1,460 V To 480 V to 120 V

4 4 Section 4.4 – In-Plant Electrical Distribution Power Plant Distribution Transformer Switchgear Equipment Source Storage Bus Bars Wires

5 5 Section 4.4 – In-Plant Electrical Distribution Power Plant Distribution

6 6 Section 4.4 – In-Plant Electrical Distribution Switchgear – Circuit Breakers Installed 13.8 kV Circuit Breaker Removed

7 7 Section 4.4 – In-Plant Electrical Distribution Switchgear – Circuit Breakers Front 480 V Circuit Breaker Back

8 8 Section 4.4 – In-Plant Electrical Distribution Switchgear – Circuit Distribution Circuit Breaker Fuse

9 9 Section 4.4 – In-Plant Electrical Distribution Switchgear Bus Work Internal External 4,160 and 13,800 Volts

10 10 Section 4.4 – In-Plant Electrical Distribution Cable Trays 480 / 240 and 120 Volt

11 11 Questions? Section 4.4 – In-Plant Electrical Distribution


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