NDLI: Hybrid PWM noise cancellation technique to reduce switching losses for two-segment three-phase motor

Content Provider	IET Digital Library
Author	Huang, Yingliang Xu, Yongxiang Zhang, Wentao Zou, Jibin
Abstract	This study proposed a novel method to eliminate the pulse width modulation (PWM) harmonics at a quite low switching frequency for the two-segment three-phase motor. Due to the PWM technique and considerations of switching losses, acoustic noise <20 kHz in the motor drive system is common. By using modified space vector PWM (MSVPWM) technique and interleaved topology with magnetically coupled inductors (MCIs), the proposed novel method is able to remove the first, second, and third order carrier frequency noises from the motor. The MSVPWM is used to eliminate the first and third order carrier frequency harmonics and second order harmonics are reduced by interleaved topology. With this method, the unpleasant acoustic noise <20 kHz could be removed when the switching frequency is selected near 6.7 kHz. The size of MCIs mainly depends on the PWM current harmonics and it is very small compared with inductor-capacitor/inductor-capacitor-inductor filter. Moreover, this method remains to be the control dynamics of the motor without additional inductance for fundamental frequency currents. Finally, the effectiveness of the proposed method is verified by detailed simulation and experimental results.
Starting Page	2128
Ending Page	2134
Page Count	7
ISSN	17554535
Volume Number	12
e-ISSN	17554543
Issue Number	Issue 8, Jul (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/12/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.0012
Journal	IET Power Electronics
Publisher Date	2019-05-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acoustic Noise Control of Electric Power System Drive Frequency 20.0 KHz Frequency 6.7 KHz Fundamental Frequency Current Hybrid PWM Noise Cancellation Technique Inductor Inductor-capacitor/inductor-capacitor-inductor Filter Interleaved Topology Low Switching Frequency Magnetically Coupled Inductors MCIs Motor Drive Motor Drive System MSVPWM Order Carrier Frequency Harmonics Order Carrier Frequency Noises Order Harmonics Other Power Apparatus And Electric Machine Power Capacitor Power Converter Power Inductors Power Supplies to Apparatus Pulse Width Modulation Pulse Width Modulation Harmonics PWM Current Harmonics PWM Invertors PWM Power Converter Sensorless Machine Control Space Vector PWM Technique Switching Converter Switching Loss Two-segment Three-phase Motor Unpleasant Acoustic Noise
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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