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Device and method for controlled exchange of energy between an electrical power network and a load

  • US 9,156,365 B2
  • Filed: 02/22/2011
  • Issued: 10/13/2015
  • Est. Priority Date: 03/29/2010
  • Status: Active Grant
First Claim
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1. Device for controlled exchange of energy between an electrical power network and a load, comprising:

  • a stationary charging station for establishing an energy connection between the electrical power network and a delivery point,a charging controller for sending and receiving control signals via a signal transmission path, anda SIM station installed on the load side for establishing an energy connection between the load and the aforementioned delivery point, wherein the SIM station comprises a SIM measuring unit for measuring an energy quantity, which is exchanged via the energy connection, passing through the SIM station and a SIM controller for sending and receiving control signals via the signal transmission path, wherein;

    the SIM controller sends a SIM identifier assigned to the SIM station to the charging controller at set time intervals via the signal transmission path,the charging controller, on receiving a SIM identifier, adds the energy quantity exchanged between the electrical power network and the load via the energy connection on an energy quantity meter assigned to the SIM identifier, andthe time intervals are set in such a way that the energy quantity exchanged or to be exchanged between the electrical power network and the load via the energy connection within a time interval lies below a predefined resolution of the energy quantity meter.

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