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What is Unipolar PWM Techniques Analysis about?

This document analyzes unipolar pulse width modulation (PWM) techniques for single-phase and three-phase inverters. It shows that for single-phase applications, unipolar modulation ensures excellent pulse distribution results close to optimized PWM. However, for three-phase three-level inverters with one carrier wave, the results are far from optimized PWM. With three symmetrically shifted carrier waves, better voltage waveforms and lower distortion factors can be obtained. Theoretical investigations were c

Author

Camilo Ramirez

Language

EN