Service type recognition in electrical utility meter

  • US 6,112,158 A
  • Filed: 08/01/1996
  • Issued: 08/29/2000
  • Est. Priority Date: 08/01/1996
  • Status: Expired due to Term
First Claim
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1. In an electrical utility meter, the electrical utility meter operable to measure power consumption, a method of identifying a present electrical service type, the method comprising:

  • a) obtaining measured voltage magnitude and phase angle data for a plurality of phases in a polyphase electrical system; and

    b) automatically identifying the present electrical service type based on the measured voltage magnitude and phase angle data.

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