Power Plant Construction and QA/QC

Engineering Technology Division Power Plant Construction and QA/QC Section 7.4 – Hydroelectric Generators, Transformers and Controls

Section 7.4 – Hydroelectric Generators, Transformers and Controls Overview • Many Changes • Electrical Code • Material Improvements • Equipment Updates – Oil Filled • Base Load Power Generation • Salient Pole Generator – Extended Field Poles • Due to Slow Speed • Maintain Frequency

Section 7.4 – Hydroelectric Generators, Transformers and Controls Generator Ratings • Speed 300 to 1200 RPM • Frequency 60 Hz (cps) • Rotor Diameter 2 to 62 ft • Generator Rating 50 kVA to 900 mVA • Power Factor 0.8 to 1.0 (0.95 normal) • Power Capacity 50 to 1000 MW • Efficiency 97.5% to 98.8% • Output Voltage 18 kV • Transformer Output 500 kV

Section 7.4 – Hydroelectric Generators, Transformers and Controls Generator Types - Standard

Section 7.4 – Hydroelectric Generators, Transformers and Controls Generator Types - Umbrella

Section 7.4 – Hydroelectric Generators, Transformers and Controls Generator Types – Semi Umbrella

Section 7.4 – Hydroelectric Generators, Transformers and Controls Generator Components

Section 7.4 – Hydroelectric Generators, Transformers and Controls Voltages

Section 7.4 – Hydroelectric Generators, Transformers and Controls Transformers Hoover Dam Switchyard Chief Joseph Dam Generator Output Transformers

Section 7.4 – Hydroelectric Generators, Transformers and Controls Generator Circuit Breakers

Section 7.4 – Hydroelectric Generators, Transformers and Controls Battery Room

Section 7.4 – Hydroelectric Generators, Transformers and Controls Questions?

Power Plant Construction and QA/QC