14-7 For harmonic frequency analysis, an induction motor can be represented by a per-phase equivalent circuit as shown in Fig. P14-7, which includes a fundamental-frequency counter-emf or Thèvenin voltage ETH. Also, RTH which produces a 60-Hz line-line voltage component of 460 V. The load on the motor is such that the fundamental-frequency current drawn by the motor is 10 A, which lags the fundamental- frequency voltage by an angle of 30°. Obtain and plot the current drawn by the motor as a function of time, if it is driven by a square-wave VSI. What is the peak current that the inverter switches must carry? = 3.0 N and XTH = 5.0 N. It is supplied by a voltage source inverter,
14-7 For harmonic frequency analysis, an induction motor can be represented by a per-phase equivalent circuit as shown in Fig. P14-7, which includes a fundamental-frequency counter-emf or Thèvenin voltage ETH. Also, RTH which produces a 60-Hz line-line voltage component of 460 V. The load on the motor is such that the fundamental-frequency current drawn by the motor is 10 A, which lags the fundamental- frequency voltage by an angle of 30°. Obtain and plot the current drawn by the motor as a function of time, if it is driven by a square-wave VSI. What is the peak current that the inverter switches must carry? = 3.0 N and XTH = 5.0 N. It is supplied by a voltage source inverter,
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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
Transcribed Image Text:14-7 For harmonic frequency analysis, an induction motor can be represented by a per-phase equivalent
circuit as shown in Fig. P14-7, which includes a fundamental-frequency counter-emf or Thèvenin
voltage ETH. Also, RTH
which produces a 60-Hz line-line voltage component of 460 V. The load on the motor is such that
the fundamental-frequency current drawn by the motor is 10 A, which lags the fundamental-
frequency voltage by an angle of 30°.
Obtain and plot the current drawn by the motor as a function of time, if it is driven by a
square-wave VSI. What is the peak current that the inverter switches must carry?
= 3.0 N and Xy = 5.0 N. It is supplied by a voltage source inverter,
RTH
XTH
ETH
Figure P14-7
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