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Harmonic neutralization of static inverters by successive stagger

  • US 5,337,227 A
  • Filed: 04/15/1992
  • Issued: 08/09/1994
  • Est. Priority Date: 04/15/1992
  • Status: Expired due to Term
First Claim
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1. A quasi-harmonic neutralized inverter system comprising:

  • a plurality of center tapped interphase transformers each having first and second inputs for receiving staggered voltage waveforms, wherein a preselected stagger angle of said voltage waveforms reduces a predetermined harmonic component of an output voltage on an output terminal of one of the interphase transformers;

    said interphase transformers being connected in a waffle tree configuration; and

    a plurality of inverters for producing voltage waveforms at phase angles necessary to provide the preselected stagger angles of the voltage waveforms at the first and second inputs of the interphase transformers in a first stage of said waffle tree configuration.

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