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Smart circuit breaker

  • US 9,093,863 B2
  • Filed: 11/07/2011
  • Issued: 07/28/2015
  • Est. Priority Date: 11/07/2011
  • Status: Active Grant
First Claim
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1. A monitoring device for an AC power supply circuit stepped down or downstream from a high age power transmission line, wherein the AC power supply circuit that has a limited capacity for supplying power to one or more electrical loads, monitoring device comprising:

  • a sensing circuit configured ynamically determinean available load capacity of the AC power supply circuit;

    a reporting circuit configured to report the dynamically determined available load capacity of the AC power supply circuit, wherein the reporting circuit includes an input/output interface for communications with a controller, an existing electrical load, and/or a potential electrical load on the AC power supply circuit; and

    a prediction circuit configured to determine the effects of a potential electrical load of the AC power supply circuit on an existing load of the AC power supply circuit, including determining if the effects on the existing load are within a safe margin of operation with respect to one or more of voltage, current, phase and/or frequency of operation.

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