b) The expression for an ac waveform is given by the following: v = 196 sin (87πt + 0.78) Find: iv) The time it takes for the voltage to first reach 170v. v) The time it takes for the voltage to first reach its maximum.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
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Problem 2.27P: An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8...
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b) The expression for an ac waveform is given by the following:
v = 196 sin (87πt + 0.78)
Find:
iv) The time it takes for the voltage to first reach 170v.
v) The time it takes for the voltage to first reach its maximum.
Transcribed Image Text:b) The expression for an ac waveform is given by the following: v = 196 sin (87πt + 0.78) Find: iv) The time it takes for the voltage to first reach 170v. v) The time it takes for the voltage to first reach its maximum.
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