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Power generation controller for AC generator

  • US 20040174018A1
  • Filed: 03/05/2004
  • Published: 09/09/2004
  • Est. Priority Date: 03/06/2003
  • Status: Active Grant
First Claim
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1. A power generation controller for an AC generator, wherein the AC generator is driven by an internal combustion engine mounted on a vehicle and charges a battery, said power generation controller controls the output of the AC generator according to an external input duty signal value and a battery voltage which change in accordance with a running state of the vehicle and/or a driving state of said engine, wherein a current detector detects a current to be used by an electric load on the vehicle, a control unit comprises a field current control section, a field current monitor section, and an output control section, said field current control section controlling a field current of said AC generator, said field current monitor section monitoring a field current duty value which is a controlled state of the field current of said AC generator, and said output control section correcting the output of said AC generator according to the field current duty value monitored by said field current monitor section, and/or the load current value, detected by said current detector.

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