Answered: For the circuit shown, what is the…

For the circuit shown, what is the reactive power, Q, consumed by the 1+ j5 N load impedance? (Assume the current source is in 2Ω 10 Is 3 20° A -j10 j50 wwHH

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 9PP: In an R-L parallel circuit, ET=240 volts, R=560 R = 560 2, and XL=330. Find reactive power.

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Concept explainers

Synchronous Motor

The synchronous motor is an AC electric type motor where at a steady-state the shaft rotation is synchronized with the supply current variable-frequency. To an integral number of AC cycles, the rotation period is exactly equal. The stator of the motor in the synchronous motor contains multi-phase AC electromagnets due to which a magnetic field is created that rotates in time with the oscillation of the line current. The rotor contains a permanent magnet and the rotor rotates in synchronization with the stator field at the same rate and provides the second synchronized magnetic field which is rotating in nature as a result. When the synchronous motor is supplied with independently excited multi-phase AC electromagnets on both the rotor and the stator, it is termed as a doubly-fed machine. The most widely used AC-type motors are the synchronous AC motor and the induction AC motors.

Question

For the circuit shown, what is the reactive power, Q, consumed by the 1+ j5 N load impedance? (Assume the current source is in
2Ω
10
Is 3 20° A
-j10
j50
wwHH

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