NDLI: Analysis of sine-triangle and zero-sequence injection modulation schemes for split-phase induction motor drive

Content Provider	IET Digital Library
Author	Rakesh, Padikkat R. Narayanan, Gopalaratnam
Abstract	A split-phase induction motor is fed from two three-phase voltage source inverters for speed control. This study analyses carrier-comparison based pulse width modulation (PWM) schemes for a split-phase motor drive, from a space-vector perspective. Sine-triangle PWM, one zero-sequence injection PWM where the same zero-sequence signal is used for both the inverters, and another zero-sequence injection PWM where different zero-sequence signals are employed for the two inverters are considered. The set of voltage vectors applied, the sequence in which the voltage vectors are applied, and the resulting current ripple vector are analysed for all the PWM methods. Besides all the PWM methods are compared in terms of dc bus utilisation. For the same three-phase sine reference, the PWM method with different zero-sequence signals for the two inverters is found to employ a set of vectors different from the other methods. Both analysis and experimental results show that this method results in lower total harmonic distortion and higher dc bus utilisation than the other two PWM methods.
Starting Page	344
Ending Page	355
Page Count	12
ISSN	17554535
Volume Number	9
e-ISSN	17554543
Issue Number	Issue 2, Feb (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/9/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0066
Journal	IET Power Electronics
Publisher Date	2016-02-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Angular Velocity Control Asynchronous Machine Carrier-comparison Based Pulse Width Modulation Scheme Control of Electric Power System Dc Bus Utilisation Drive Harmonic Distortion Induction Motor Drive Machine Vector Control PWM Invertors Resulting Current Ripple Vector Analysis Rotation Control Sine-triangle Injection Modulation Scheme Sine-triangle PWM Speed Control Split-phase Induction Motor Drive Three-phase Voltage Source Inverter Total Harmonic Distortion Velocity Voltage Vector Zero-sequence Injection Modulation Scheme Zero-sequence Injection PWM Zero-sequence Signal
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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