Power management system, power management method, and network server
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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Abstract
A power management system comprises a plurality of HEMSs 10 and CEMSs 40. The CEMS 40 receives, from each HEMS 10, power information including the amount of power consumed by a load connected to each HEMS 10. The CEMS 40 transmits, to each HEMS 10, reduction information including the amount of power that should be reduced in each consumer, in response to a curtailment signal and the power information.
11 Citations
12 Claims
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1. A power management system comprising:
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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 comprises a receiver configured to receive a curtailment signal directly from a power company that manages a power grid without being relayed by the network server, and a transmitter configured to transmit the curtailment signal to the network server via the network, wherein the network server comprises a receiver configured to receive the curtailment signal relayed by each of the plurality of power management apparatuses, and a 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, and wherein 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. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A power management method applied to 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 that manages the plurality of power management apparatuses, the method comprising:
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receiving, by a receiver of each of the plurality of power management apparatuses, a curtailment signal directly from a power company that manages a power grid without being relayed by the network server; transmitting, from a transmitter of each of the plurality of power management apparatuses to the network server, the curtailment signal; receiving, by a receiver of the network server, the curtailment signal relayed by each of the plurality of power management apparatuses; transmitting, from a transmitter of the network server 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; and reducing, in each of the plurality of power management apparatuses, power consumed by a load connected to that power management apparatus, in response to the reduction information received from the network server. - View Dependent Claims (8, 9)
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10. A network server connected to a plurality of power management apparatuses, each of which is provided in one of a plurality of consumers via a network, the network server comprising:
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a receiver configured to receive, from each of the plurality of power management apparatuses, a curtailment signal relayed by each power management apparatus received from a power company that manages a power grid; and a 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, such that each power management apparatus responsively reduces power consumed by a load connected to that power management apparatus. - View Dependent Claims (11, 12)
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Specification