Power Factor
- The cosine of phase angle shows how effectively power is used.
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Isolation Transformer
- Electrically isolates circuits while transferring power magnetically.
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Reactive Power
- Power that cycles between source and load without doing useful work.
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Induction
- Electricity can be generated by moving a wire in a magnetic field.
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Popular
Apparent Power
- Product of RMS voltage and current, combining real and reactive components.
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Generator Basics
- Rotating a coil in a magnetic field produces electricity.
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Single-Phase System
- Common for homes; uses two wires with alternating current.
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Alternator
- Produces alternating current used in power grids.
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Three-Phase System
- Provides balanced power delivery with three sinusoidal voltages.
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