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Electric power control apparatus and grid connection system having same

  • US 9,153,963 B2
  • Filed: 05/11/2011
  • Issued: 10/06/2015
  • Est. Priority Date: 05/11/2010
  • Status: Active Grant
First Claim
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1. An electric power control apparatus for use in a consumer dwelling provided with a distributed power source and a battery, the apparatus configured to enable a surplus power generated by the distributed power source to be charged in the battery, the apparatus comprising:

  • a compensation calculating unit configured to calculate compensation by using a power sale price available when an electric power is charged in the battery and a power purchase price available when the electric power is discharged from the battery,wherein the power sale price is a price of an electric power reversely fed to an electrical grid of a commercial power source from the distributed power source.

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