Power conversion equipment monitor/controller method and apparatus

  • US 5,939,855 A
  • Filed: 06/27/1997
  • Issued: 08/17/1999
  • Est. Priority Date: 09/06/1994
  • Status: Expired due to Term
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First Claim
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1. For use with a system including an alternator that supplies a variable alternator-current-output to a connected battery with a multi-cycle battery charger connected thereto, wherein the battery has a battery voltage and receives a charging current, and wherein the alternator is controlled by a regulator, an alternator regulation method comprising:

  • ramping-up the alternator-current-output until the alternator-current-output reaches an alternator-current-limit;

    sustaining the alternator-current-output substantially at the alternator-current-limit until the battery voltage is substantially at an acceptance voltage;

    adjusting the alternator-current-output for maintaining the battery voltage substantially at the acceptance voltage, until the battery'"'"'s charging current is substantially at a fully-charged-indication current;

    reducing the alternator-current-output, which lowers the battery voltage, until the battery voltage is substantially at a float voltage; and

    further adjusting the alternator-current-output for maintaining the battery voltage substantially at the float voltage to preserve a fully charged condition of the battery.

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