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Power transformer with electronic components

  • US 9,218,902 B2
  • Filed: 02/18/2013
  • Issued: 12/22/2015
  • Est. Priority Date: 03/21/2012
  • Status: Expired due to Fees
First Claim
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1. A power transformer comprising:

  • electronic components, a yoke having a leg;

    a winding surrounding the leg and generating a stray field on energization of the transformer; and

    a stray field collector for supplying voltage to the electronic components and including a magnetic core and a coil around the core, outside the yoke and the winding, in the stray field of the transformer, and positioned such that current is induced by the stray field in the coil of the field collector for supply to the components.

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