Chapter 15 Alternating Current

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Phasors Rotating vectors whose projection onto a vertical or horizontal axis can be used to represent sinusoidally varying quantities 23 Phasors A sinusoidal waveform Produced by plotting vertical projection of a phasor that rotates in the counterclockwise direction at a constant angular velocity 24 12
Phasors Phasors apply only to sinusoidally varying waveforms 25 Shifted Sine Waves Phasors used to represent shifted waveforms Angle is position of phasor at t = 0 seconds 26 13
Page 1 and 2: Chapter 15 AC Fundamentals Alternat
Page 3 and 4: Generating AC Voltages 5 AC Voltage
Page 5 and 6: Frequency Number of cycles per seco
Page 7 and 8: The Basic Sine Wave Equation Voltag
Page 9 and 10: Radian Measure is usually expressed
Page 11: Voltages and Currents as Functions
Page 15 and 16: Phase Difference If v 1 = 5 sin(100
Page 17 and 18: Sine Wave Averages Rectified full-w
Page 19 and 20: I eff = .707I m Effective Values V

Chapter 15 Alternating Current

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