Analysis of power and power spectral density in PWM inverters with randomized switching frequency
作者： R.L. Kirlin , M.M. Bech , A.M. Trzynadlowski
DOI: 10.1109/41.993282
关键词:
摘要: A novel method for accurate calculation of power spectra the pulsewidth modulation (PWM) voltage-source inverter with randomized switching frequency is presented. The case a limited pool frequencies, convenient and adequate technical purposes, considered, mathematical background this type random PWM (RPWM) provided. It shown that limited-pool RPWM gives rise to not only continuous spectrum, but, also, under certain circumstances, pure spectral components (harmonics), typical deterministic PWM. Criteria existence harmonics are given, formulae both density derived verified experimentally.
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