Journal ArticleDOI
Harmonic elimination in pulse-width modulated inverters using piecewise constant orthogonal functions
TLDR
In this article, a method for selective harmonic elimination in pulsewidth modulated (PWM) inverter waveforms by the use of piecewise constant orthogonal functions is presented, which reduces the number of combinations for the case where more than one angle is allowed to vary within a given interval.About:
This article is published in Electric Power Systems Research.The article was published on 1997-01-01. It has received 7 citations till now. The article focuses on the topics: Walsh function & Orthogonal functions.read more
Citations
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Journal ArticleDOI
Modulation-Based Harmonic Elimination
TL;DR: In this article, a modulation-based method for generating pulse waveforms with selective harmonic elimination is proposed, which can be used to calculate easily and quickly the desired waveform without solution of coupled transcendental equations.
Journal ArticleDOI
An optimal selective harmonic mitigation technique for high power converters
TL;DR: In this article, an optimal selective harmonic mitigation (OSHM) method using the least possible switching frequency to satisfy three grid codes EN 50160, CIGRE JWG C4.07 and IEC 61000-3-6 is presented.
Journal ArticleDOI
Dead-Time Distortion in Generalized Selective Harmonic Control
TL;DR: In this paper, the practical impact of edge placement sensitivity due to dead time that occurs in generalized selective harmonic control (SHC) was discussed, and experimental validation was provided to theoretical work presented in a previous publication.
Simulation of harmonics elimination using modulation index
TL;DR: In this article, a modulation-based methodology for generating pulse waveforms with selective harmonic elimination technique is presented, where a sine wave is compared with carrier triangular wave traditionally digital.
Proceedings ArticleDOI
Theoretical considerations for selective harmonic control
TL;DR: In this article, the authors explored the nature of the expanded solution space and showed that under various constraints the number of solutions can be one, infinity, or bounded by a large finite number.
References
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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
A new Walsh domain technique of harmonic elimination and voltage control in pulse-width modulated inverters
F. Swift,A. Kamberis +1 more
TL;DR: In this article, a Walsh operational matrix of PWM waveforms is introduced as a means of obtaining the Walsh spectral equations of waveforms, and a noniterative algorithm that produces piecewise-linear, global solutions between angles and for the angles is proposed.
Journal ArticleDOI
A High-Performance Pulsewidth Modulator for an Inverter-Fed Drive System Using a Microcomputer
Bimal K. Bose,Hunt A. Sutherland +1 more
TL;DR: In this article, an Intel 8086 microcomputer-based pulsewidth modulator (PWM) is described which receives digital voltage and frequency commands independently at the input, generates precision three-phase PWM waves at the output, and can be used to drive a transistor or thyristor inverter for ac drive systems.
Journal ArticleDOI
Microprocessor-based sinusoidal waveform synthesis using Walsh and related orthogonal functions
TL;DR: In this paper, a method of eliminating harmonics in a pulsewidth-modulated waveform using Walsh and related functions that substitute linear algebraic equations for the nonlinear equations required in Fourier-series harmonic elimination is described.
Proceedings ArticleDOI
Optimum PWM waveforms of a microprocessor controlled inverter
TL;DR: In this article, a microprocessor-controlled inverter was built to implement PWM techniques and a new technique was suggested as a possible method of optimal adaptive inverter control, which minimizes distortion in an RL load analytically and experimentally.