An impedance coil having a resistance of 25 ohms and an inductance of 20 mH is connected in parallel with a variable capacitor. For what value of C will the circuit have a power of: a) unity; b) 0.8 lagging; and c) 0.9 leading? When the source is 90 volts, 400 cps.
An impedance coil having a resistance of 25 ohms and an inductance of 20 mH is connected in parallel with a variable capacitor. For what value of C will the circuit have a power of: a) unity; b) 0.8 lagging; and c) 0.9 leading? When the source is 90 volts, 400 cps.
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
Section: Chapter Questions
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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An impedance coil having a resistance of 25 ohms and an inductance of 20 mH is connected in parallel with a variable capacitor. For what value of C will the circuit have a power of: a) unity; b) 0.8 lagging; and c) 0.9 leading? When the source is 90 volts, 400 cps.
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