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Apparatus and method for supplying hybrid power of offshore plant

  • US 9,954,357 B2
  • Filed: 12/18/2014
  • Issued: 04/24/2018
  • Est. Priority Date: 12/18/2013
  • Status: Expired due to Fees
First Claim
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1. A hybrid power supply apparatus for an offshore plant, comprising:

  • a power generator;

    an AC/DC converter converting alternating current produced by the power generator into direct current and supplying the direct current to a DC bus;

    an electric power load connected to the DC bus and generating regenerative power;

    a first power storage unit storing electric power when a voltage of the DC bus is maintained at a first threshold value or higher for a first period of time and supplying electric power to the DC bus when the voltage of the DC bus is maintained at a second threshold value or less for a second period of time; and

    a first resistor consuming electric power when the voltage of the DC bus is maintained at the first threshold value or higher for a third period of time,wherein the third period of time is longer than the first period of time.

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