IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Paper
Performance of PM Motor Driven by PWM Inverter with Voltage Booster Using Both Flux Weakening Control and DC Link Voltage Control
Akihiro ImakiireKichiro YamamotoMasayuki Hikita
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2016 Volume 136 Issue 1 Pages 17-28

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Abstract

In this paper, a driving method for an interior permanent magnet (IPM) motor is proposed; this method increases the system efficiency in the constant power region. In the driving method, the PWM inverter with a voltage booster system allows the use of both flux weakening control (FWC) and DC link voltage control (DVC) to drive an IPM motor at high speed. The authors investigate how a combination of FWC and DVC is suitable for the system. First, a simulation model is introduced. This model allows the calculation of the system efficiency and each part of the system losses in the voltage booster, inverter, and IPM motor. Furthermore, the system efficiency is calculated using the simulation model, and the simulation results are discussed when the ratio between the FWC and the DVC is changed. The IPM motor drive method is expected to help achievement of high efficiency by adjusting the ratio between the two control methods in the constant power region.

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© 2016 by the Institute of Electrical Engineers of Japan
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