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Average voltage detector for nonlinear waveforms

  • US 3,898,551 A
  • Filed: 05/02/1974
  • Issued: 08/05/1975
  • Est. Priority Date: 05/02/1974
  • Status: Expired due to Term
First Claim
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1. A voltage regulator system for a voltage generator providing a 3-phase output comprising:

  • first means for converting said 3-phase output to a waveform of a higher phase;

    rectifier means coupled to receive and rectify said higher-phase waveform;

    filter means coupled to the output of said rectifier means with a high cutoff frequency for filtering out high frequencies and noise, said filter means having a minimal voltage discharge during its operation;

    comparing means coupled to said filter means for providing an error signal representative of the difference between the filtered signal and a reference voltage; and

    second means responsive to said error signal for controlling said voltage generator.

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