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Apparatus and method for harvesting power from an overhead transmission conductor

  • US 9,214,827 B2
  • Filed: 02/21/2013
  • Issued: 12/15/2015
  • Est. Priority Date: 02/22/2012
  • Status: Active Grant
First Claim
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1. An apparatus adapted to harvest power from an overhead transmission conductor that is supported by a plurality of spaced-apart structures that are grounded to the earth, and to provide a DC voltage for charging a battery, comprising:

  • (a) a first shield wire extending between and electrically bonded to the structures;

    (b) a second shield wire extending between and electrically isolated from the structures, wherein the first shield wire, second shield wire, structure, and earth form a loop into which induced currents flow in response to AC current flowing in the overhead transmission conductor; and

    (c) a charging station electrically connected to the second shield wire and adapted to convert induced currents flowing along the second shield wire into a DC voltage for charging a battery of the charging station.

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