Chapter 15 Alternating Current

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Effective Values In North America, house voltage is 120 Vac. Voltage is capable of producing the same average power as a 120 V battery 35 Effective Values To determine effective power Set Power(dc) = Power(ac) P dc = p ac I 2 R = i 2 R where i = I m sin t By applying a trigonometric identity Able to solve for I in terms of I m 36 18
I eff = .707I m Effective Values V eff = .707V m Effective value is also known as the RMS value 37 19
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 and 12: Voltages and Currents as Functions
Page 13 and 14: Phasors Phasors apply only to sinus
Page 15 and 16: Phase Difference If v 1 = 5 sin(100
Page 17: Sine Wave Averages Rectified full-w

Chapter 15 Alternating Current

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