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Method and apparatus for supplying AC power to commercial power line by using sunlight

  • US 6,058,035 A
  • Filed: 03/08/1999
  • Issued: 05/02/2000
  • Est. Priority Date: 03/30/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for supplying AC power to a commercial power line by using sunlight, comprising:

  • a solar battery for generating DC power;

    a voltage booster for boosting the voltage of the DC power to a target voltage;

    a power converter for converting the DC power whose voltage has been boosted by said voltage booster, into AC power having a predetermined frequency and a voltage and adding said AC power to the commercial power line; and

    a voltage controller for setting the target voltage of said voltage booster based on the voltage of the AC power in the commercial power line, wherein the voltage of the AC power from said power converter is higher than the voltage of the AC power in the commercial power line.

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