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Power management system, power management method, and network server

  • US 9,830,671 B2
  • Filed: 09/04/2012
  • Issued: 11/28/2017
  • Est. Priority Date: 09/26/2011
  • Status: Active Grant
First Claim
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1. A power management system comprising:

  • a plurality of power management apparatuses each of which is provided in one of a plurality of consumers; and

    a network server connected to the plurality of power management apparatuses via a network,wherein each of the plurality of power management apparatuses comprisesa receiver configured to receive a curtailment signal directly from a power company that manages a power grid without being relayed by the network server, anda transmitter configured to transmit the curtailment signal to the network server via the network,wherein the network server comprisesa receiver configured to receive the curtailment signal relayed by each of the plurality of power management apparatuses, anda transmitter configured to transmit, to each of the plurality of power management apparatuses, reduction information including an amount of power that should be reduced in each consumer, in response to the received curtailment signal, andwherein each of the plurality of power management apparatuses is configured to reduce power consumed by a load connected to that power management apparatus, in response to the reduction information received from the network server.

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