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Excitation current-limited power generator

  • US 9,887,655 B2
  • Filed: 05/31/2016
  • Issued: 02/06/2018
  • Est. Priority Date: 05/31/2016
  • Status: Active Grant
First Claim
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1. A device comprising:

  • a digital interface configured to be coupled to an engine control unit (ECU);

    a regulator configured to be coupled to an excitation current input of an alternator, the excitation current controlling current generated by the alternator;

    a frequency sensor configured to measure a rotation speed of the alternator; and

    a memory configured to store a communicated limit received by the digital interface and a first permanent limit, the regulator configured to limit the excitation current to the lesser of the first permanent limit and the communicated limit.

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