Control system, correction device, and power control method

• US 9,190,873 B2
• Filed: 11/26/2010
• Issued: 11/17/2015
• Est. Priority Date: 11/30/2009
• Status: Active Grant

• Current Assignee: Kyocera Corporation
• Original Assignee: Kyocera Corporation
• Inventors: Kiuchi, Kazuya, Kusafuka, Kaoru, Watanabe, Tadayuki, Shichiri, Kazumasa, Iwabuchi, Akinori
• Primary Examiner(s): Fennema, Robert
• Assistant Examiner(s): STEVENS, THOMAS H
• Application Number:
  US13/512,584
• Publication Number:
  US 20120232711A1
• Time in Patent Office: 1,817 Days
• Field of Search: 700/291, 705/26.2
• US Class Current: 1/1
• CPC Class Codes: H02J 13/00016 using a wired telecommunication network or a data transmission bus
• CPC Class Codes: H02J 13/00026 involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
• CPC Class Codes: H02J 2310/60 Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
• CPC Class Codes: H02J 3/144 Demand-response operation of the power transmission or distribution network
• CPC Class Codes: H02J 3/38 Arrangements for parallely feeding a single network by two or more generators, converters or transformers
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y04S 20/222 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 40/124 using wired telecommunication networks or data transmission busses
• CPC Class Codes: Y04S 40/126 using wireless data transmission

Abstract

Disclosed is a control system (10) provided with: a generation apparatus (220) for generating control information that is information based on demand and supply of power generated at a power plant (210), and that is to be used for controlling power at the location of consumers (301) of electric power to whom power generated at the power plant (210); and a correction apparatus (100a) for correcting the control information, taking into consideration either a distributed power supply or a storage battery that can supply power to a consumer group (300a) of electric power. Power control is executed at the location of the consumers who comprise the consumer group (300a) of electric power, using the corrected control information.

Claims

1. A control system, comprising:

a generation device configured to generate control information that is information based on supply and demand of power generated at an electric generation plant, and is used for power control for a plurality of consumers supplied with power generated at the electric generation plant,

a correction device connected to the generation device and provided to a consumer group, which is a part of the plurality of consumers, the correction device configured to correct the control information generated by the generation device in view of an amount of electric power that can be supplied by at least one of a dispersed power source or a battery that can supply electric power to the consumer group, and

a control device provided to each consumer configuring the consumer group and configured to perform power control by a consumer configuring the consumer group-by using the control information corrected by the correction device,

wherein the control information includes information indicating electricity prices of the power generated at the electric generation plant, information indicating a suppliable amount of the power generated at the electric generation plant, or information indicating a usable amount of the power for the consumer which is generated at the electric generation plant.

2. The control system according to claim 1, wherein the consumer group is formed by consumers belonging to a same region, or consumers connected to a same electric feeder line.

3. The control system according to claim 1, wherein the control device performs power control for each consumer or each load.

4. The control system according to claim 1, wherein the consumer group is formed by consumers sharing a same battery.

5. The control system according to claim 1, wherein

the control information is the information indicating the electricity prices, and

the correction device corrects to decrease the electricity prices when the amount of electric power that can be supplied by at least one of the dispersed power source and the battery is more than a predetermined threshold.

6. The control system according to claim 1, wherein

the control information is the information indicating the suppliable amount of the power, and

the correction device corrects to increase the suppliable amount of the power when the amount of electric power that can be supplied by at least one of the dispersed power source and the battery is more than a predetermined threshold.

7. The control system according to claim 1, wherein

the control information is the information indicating the usable amount of the power, and

the correction device corrects to increase the usable amount of the power when the amount of electric power that can be supplied by at least one of the dispersed power source and the battery is more than a predetermined threshold.

8. A correction device, comprising:

a reception unit configured to receive from a generation device control information that is information based on supply and demand of power generated at an electric generation plant, and is used for power control for a plurality of consumers supplied with power generated at the electric generation plant,

a correction unit connected to the generation device and provided to a consumer group, which is a part of the plurality of consumers, the correction unit being configured to correct the control information received by the reception unit in view of an amount of electric power that can be supplied by at least one of a dispersed power source and a battery that can supply electric power to the consumer group, and

a transmission unit configured to transmit the control information corrected by the correction unit to a control device performing power control by a consumer configuring the consumer group.

9. A power control method, comprising:

a step of generating control information by a generation device, wherein the control information is information based on supply and demand of power generated at an electric generation plant, and is used for power control for a plurality of consumers supplied with the power generated at the electric generation plant,

a step of correcting the control information generated in the generating step by a correction device connected to the generation device and provided to a consumer group, which is a part of the plurality of consumers, in view of at least one of a dispersed power source or a battery that can supply electric power to the consumer group, and

a step of performing power control by a control device by a consumer configuring the consumer group by using the control information corrected in the correcting step,

wherein the control information includes information indicating electricity prices of the power generated at the electric generation plant, information indicating a suppliable amount of the power generated at the electric generation plant, or information indicating a usable amount of the power for the consumer which is generated at the electric generation plant.