Analysis and comparison of real-time sine-wave generation for PWM circuits

Mehran Mirkazemi-Moud, Tim C. Green, Barry W. Williams

Research output: Contribution to journalArticle

Abstract

The paper presents four methods for hardware and software generation in real time of sine waves suitable for PWM circuits. The sine waves are derived from a truncated modified cosine Taylor series, wt(f-wt) function, a digitally filtered trapezoid, and a second-order differential equation. Triplen injection is incorporated by the addition of a defined magnitude triangular waveform of three times the fundamental frequency. Each sine-wave generating technique is implemented, as applicable, in a programmable logic cell array and/or in microprocessor-based software. In each case, the output spectra and total harmonic distortion are compared with computer-simulated results.

Original languageEnglish
Pages (from-to)46-54
Number of pages9
JournalIEEE Transactions on Power Electronics
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 1993

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