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Bias technique for electric utility meter

  • US 20050206366A1
  • Filed: 03/18/2004
  • Published: 09/22/2005
  • Est. Priority Date: 03/18/2004
  • Status: Active Grant
First Claim
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1. An electrical power meter having electronic components, wherein the electrical power meter receives alternating current (AC) voltage from an electrical power line, the meter comprising:

  • a power supply for converting the AC voltage to a direct current (DC) voltage for powering the electronic components, wherein the AC voltage provides an electrical reference potential for the electronic components; and

    a DC power source in parallel circuit configuration with the AC voltage, wherein the DC power source provides a DC bias voltage to the AC voltage.

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