Journal ArticleDOI
Pulsewidth modulation-a survey
TLDR
The author provides a guideline and quick reference for the practicing engineer to decide which methods should be considered for an application of a given power level, switching frequency, and dynamic response.Abstract:
The author evaluates the state of the art in pulsewidth modulation for AC drives fed from three-phase voltage source inverters. Feedforward and feedback pulsewidth modulation schemes with relevance for industrial application are described and their respective merits and shortcomings are explained. Secondary effects such as the influence of load-current dependent switching time delay and transients in synchronized pulsewidth modulation schemes are discussed, and adequate compensation methods are presented. Recorded oscillograms illustrate the performance of the respective pulsewidth modulation principles. The author provides a guideline and quick reference for the practicing engineer to decide which methods should be considered for an application of a given power level, switching frequency, and dynamic response. >read more
Citations
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Journal ArticleDOI
A Survey on Neutral-Point-Clamped Inverters
TL;DR: The basic operation and the most used modulation and control techniques developed to date of neutral-point-clamped inverters are presented and some technological problems such as capacitor balance and losses are presented.
Journal ArticleDOI
Relationship between space-vector modulation and three-phase carrier-based PWM: a comprehensive analysis [three-phase inverters]
Keliang Zhou,Danwei Wang +1 more
TL;DR: This paper comprehensively analyzes the relationship between space-vector modulation and three-phase carrier-based pulse width modulation and shows that all the drawn conclusions are independent of the load type.
Journal ArticleDOI
Sensorless full-digital PMSM drive with EKF estimation of speed and rotor position
TL;DR: The estimation algorithm does not require either the knowledge of the mechanical parameters or the initial rotor position, overcoming two of the main drawbacks of other estimation techniques.
Journal ArticleDOI
A novel three-phase utility interface minimizing line current harmonics of high-power telecommunications rectifier modules
Johann W. Kolar,F.C. Zach +1 more
TL;DR: A new three-phase three-switch three-level pulsewidth modulated (PWM) rectifier system is developed that can be characterized by sinusoidal mains current consumption, controlled output voltage, and low-blocking voltage stress on the power transistors.
Journal ArticleDOI
Three-dimensional space vector modulation for four-leg voltage-source converters
TL;DR: In this article, a superset of the traditional two-dimensional space vector modulation (SVM) scheme is proposed for controlling the four-leg voltage-source converters, which can effectively provide the neutral connection in three-phase four-wire systems.
References
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Journal ArticleDOI
A New Quick-Response and High-Efficiency Control Strategy of an Induction Motor
Isao Takahashi,Toshihiko Noguchi +1 more
TL;DR: In this article, the authors proposed a limit cycle control of both flux and torque using optimum PWM output voltage; a switching table is employed for selecting the optimum inverter output voltage vectors so as to attain as fast a torque response, as low an inverter switching frequency, and as low harmonic losses as possible.
Journal ArticleDOI
Generalized Techniques of Harmonic Elimination and Voltage Control in Thyristor Inverters: Part I--Harmonic Elimination
Hasmukh S. Patel,Richard G. Hoft +1 more
TL;DR: In this article, the theoretical problem of eliminating harmonics in inverter-output waveforms was considered, and numerical techniques were applied to solve the nonlinear equations of the problem on the computer.
Journal ArticleDOI
Current Control of VSI-PWM Inverters
David M. Brod,Donald W. Novotny +1 more
TL;DR: In this article, the inherent limitations of commanding voltages and currents in a three-phase load with an inverter are examined, and an overview of several current controllers described in the literature is presented, and computer simulations are used to compare performance.
Journal ArticleDOI
Waveform Distortion and Correction Circuit for PWM Inverters with Switching Lag-Times
TL;DR: Distortions in the PWM inverter-fed induction motor system over the various frequencies of the carrier are investigated and a correction circuit with PWM potential feedback is proposed; the effectiveness of that circuit is shown by experiments.
Journal ArticleDOI
Acoustic noise reduction in sinusoidal PWM drives using a randomly modulated carrier
TL;DR: In this paper, the switching pattern can be randomized by modulating the triangle carrier in sinusoidal PWM (pulse-width modulation) with bandlimited white noise, which can be used to avoid the concentration of harmonic energy in distinct tones.