A new SPWM inverter with minimum filter requirement

Jia You Lee, York Yih Sun

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


A new sinusoidal pulsewidth modulation (SPWM) control technique for simplifying the implementation of the SPWM method and minimizing the requirement of the voltampere rating of the inverter input filter is described and analysed. With the proposed modulation scheme, the regeneration of low-order harmonics caused by the input voltage fluctuation can be suppressed and the peak fundamental output voltage can be regulated rapidly and precisely by the dual voltage feedback control. Only a minimum voltampere rating of the inverter input filter is required for avoiding overmodulation. The theoretical results of the proposed approach with open-loop self-regulating property are discussed and experimentally verified.

Original languageEnglish
Pages (from-to)815-826
Number of pages12
JournalInternational Journal of Electronics
Issue number5
Publication statusPublished - 1988 May

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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