×

Method and device for managing electric energy consumption and/or production

  • US 9,823,653 B2
  • Filed: 12/28/2011
  • Issued: 11/21/2017
  • Est. Priority Date: 12/28/2010
  • Status: Active Grant
First Claim
Patent Images

1. A method of managing electric energy consumption and/or production dynamics in an electricity metering device, comprising the steps of:

  • sampling an electric energy flow through a given node of a network of an electric company by an electricity metering device belonging to said network;

    calculating at said node by a digital metering circuit of said electricity metering device a time-divided energy variation Δ

    Ei=(Ei

    Ei−

    1
    )/Δ

    t at regular intervals, where Ei is an integral sum value of electric energy consolidated over a first number of cycles and Ei−

    1
    is an integral sum value of electric energy consolidated over a second number of cycles that occur after the first number of cycles and Δ

    t represents a time interval between the respective times of the first number of cycles and the second number of cycles at which said two integral sum values are obtained;

    adding said variation (Δ

    Ei) to analogous variations calculated by said electricity metering device at the same node at previous time instants, to obtain a cumulative sum of such variations;

    determining by said electricity metering device whether said variation and/or said cumulative sum detected at said node exceed a predetermined threshold value (δ

    DE), wherein said metering device is configured to meter the electric energy consumed and/or the electric energy produced by a user of the electric company; and

    transmitting by a communication unit of said electricity metering device a message over said network if said variation and/or cumulative sum detected at said node exceed said predetermined threshold value (δ

    DE).

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×