Power control apparatus, power transmission apparatus, and power control system

• US 9,543,763 B2
• Filed: 11/19/2012
• Issued: 01/10/2017
• Est. Priority Date: 11/25/2011
• Status: Expired due to Fees

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Sako, Yoichiro, Yamada, Yasuhiro, Tange, Akira, Higano, Satoshi
• Primary Examiner(s): Ali, Mohammad
• Assistant Examiner(s): Karim, Ziaul
• Application Number:
  US13/680,748
• Publication Number:
  US 20130138256A1
• Time in Patent Office: 1,513 Days
• Field of Search: 700286-298
• US Class Current: 1/1
• CPC Class Codes: G05B 15/02 electric
• CPC Class Codes: G06Q 50/06 Energy or water supply
• CPC Class Codes: H02J 2300/20 The dispersed energy generation being of renewable origin
• CPC Class Codes: H02J 2300/22 The renewable source being solar energy
• CPC Class Codes: H02J 2310/14 The load or loads being home appliances
• CPC Class Codes: H02J 3/003 Load forecast, e.g. methods or systems for forecasting future load demand
• CPC Class Codes: H02J 3/14 by switching loads on to, or off from, network, e.g. progressively balanced loading
• CPC Class Codes: H02J 3/381 Dispersed generators
• CPC Class Codes: H02J 3/46 Controlling of the sharing of output between the generators, converters, or transformers
• CPC Class Codes: Y02B 70/30 Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 20/222 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 20/242 Home appliances

Abstract

There is provided a power control apparatus including an input unit to which attribute information regarding a type of generation of power is input, a determination unit configured to determine the type of generation of the power corresponding to the attribute information according to the attribute information, and a power control unit configured to control use of the power according to a determination result by the determination unit.

Claims

1. A power control apparatus to control supply of packetized power to one or more electrical devices that consume power, the power control apparatus comprising:

at least one control circuit adapted to act as;

an input unit to which is input attribute information regarding a type of generation of power for a power packet, wherein the power packet comprises a header and a payload, the payload comprising the power of the power packet in packetized form, the header of the power packet being a power pulse;

a determination unit configured to determine the type of generation of the power packet according to the attribute information for the power packet; and

a power control unit configured to control use of power of the power packet according to a determination result by the determination unit,

wherein the determination unit evaluates an impact of a source of power of the power packet, indicated by the attribute information for the power packet, on a natural environment,

wherein the power control unit prioritizes use of power based on impact of sources of power of power packets on the natural environment,

wherein the determination unit determines whether or not the source of the power of the power packet, as indicated by the attribute information for the power packet, emits greenhouse gas at an emission amount greater than or equal to a predetermined value, and

wherein the power control unit prioritizes use of power for which a source of the power has an emission amount of greenhouse gas that is less than the predetermined value.

2. The power control apparatus according to claim 1,

wherein the determination unit determines whether the source of power of the power packet, indicated by the attribute information for the power packet, is renewable energy or exhaustible energy, and

wherein the power control unit prioritizes use of renewable energy.

3. The power control apparatus according to claim 1,

wherein the determination unit determines whether or not the source of the power of the power packet, as indicated by the attribute information of the power packet, is nuclear power energy, and

wherein the power control unit prioritizes use of power produced by a source that is not the nuclear power energy.

4. The power control apparatus according to claim 1, wherein the power control unit controls the use of the power of the power packet according to a relationship of a fee of the power for every type of power generation.

5. The power control apparatus according to claim 4,

wherein the determination unit determines whether the power of the power packet according to the attribute information is renewable energy or exhaustible energy, and

wherein the power control unit controls the use of the power of the power packet according to a relationship between a fee per unit amount of the renewable energy and a fee per unit amount of the exhaustible energy.

6. The power control apparatus according to claim 5, wherein, when the fee per unit amount of the renewable energy is less than a sum of the fee per unit amount of the exhaustible energy and a set value, the power control unit selects the use of the renewable energy.

7. The power control apparatus according to claim 6, wherein the set value is designated according to a region or nation.

8. The power control apparatus according to claim 6, wherein the power control unit selects the use of the renewable energy and use of the exhaustible energy at a ratio corresponding to a difference between the fee per unit amount of the renewable energy and the fee per unit amount of exhaustible energy.

9. The power control apparatus according to claim 1, wherein the determination unit determines whether the power of the power packet according to the attribute information is renewable energy or exhaustible energy, and wherein, when there is surplus power of the renewable energy, the power control unit controls the surplus power to be stored.

10. The power control apparatus according to claim 1, wherein the determination unit determines whether the power of the power packet according to the attribute information is renewable energy or exhaustible energy, and wherein, when there is the surplus power of the exhaustible energy, the power control unit controls surplus power to be stored at a predetermined ratio of the renewable energy to the exhaustible energy.

11. The power control apparatus according to claim 1, wherein the power control unit controls the use of power so that a ratio of power of private power generation among power to be used in a peak time band is higher than in other time bands.

12. The power control apparatus according to claim 1, wherein the power control unit selects a type of generation of power to be preferentially used according to a weather condition, temperature or humidity.

13. The power control apparatus according to claim 1, wherein the power control unit controls electrical storage for a storage battery according to a predicted value of renewable energy to be supplied in the future.

14. The power control apparatus according to claim 1, wherein the power control unit controls the use of the power of the power packet according to an actual use amount per unit time of exhaustible energy.

15. The power control apparatus according to claim 1, wherein the power control unit controls the use of the power packet according to other attribute information corresponding to the power packet.

16. The power control apparatus according to claim 1, wherein the attribute information indicates a component ratio of power for every type of power generation, and wherein the power control unit controls the use of power according to the component ratio indicated by the attribute information.

17. The power control apparatus according to claim 1, wherein the power control unit designates the type of power generation to request for power.

18. The power control apparatus according to claim 1, wherein:

the header of the power packet includes data indicating the attribute information.

19. The power control apparatus according to claim 18, wherein:

the attribute information comprises a power transmission source address, a power transmission destination address, and/or a power amount of the payload.

20. A power transmission apparatus to transmit packetized power, the power transmission apparatus comprising:

at least one control circuit adapted to act as;

a power transmission unit; and

an information addition unit configured to add, to a power packet to be transmitted from the power transmission unit, priority information and attribute information regarding a type of generation of power for the power packet,

wherein the power packet comprises a header and a payload, the payload comprising the power of the power packet in packetized form, the header of the power packet being a power pulse,

wherein the attribute information for the power packet indicates an impact of a source of power of the power packet on a natural environment,

wherein the impact of the source of power of the power packet on the natural environment is used to prioritize use of power,

wherein the attribute information for the power packet indicates whether or not the source of the power of the power packet emits greenhouse gas at an emission amount greater than or equal to a predetermined value, and

wherein whether or not the source of the power of the power packet emits greenhouse gas at the emission amount greater than or equal to the predetermined value is used to prioritize use of power.

21. A power control system comprising:

a power transmission apparatus to transmit packetized power; and

a power control apparatus to control supply of packetized power to one or more electrical devices that consume power,

wherein the power transmission apparatus includes at least one first control circuit adapted to act as;

a power transmission unit; and

an information addition unit configured to add, to a power packet to be transmitted from the power transmission unit, attribute information regarding a type of generation of power for the power packet, and

wherein the power control apparatus includes at least one second control circuit adapted to act as;

an input unit to which is input the attribute information;

a determination unit configured to determine the type of generation of the power packet according to the attribute information for the power packet; and

a power control unit configured to control use of power of the power packet according to a determination result by the determination unit,

wherein the determination unit evaluates an impact of a source of power of the power packet, indicated by the attribute information for the power packet, on a natural environment,

wherein the power control unit prioritizes use of power based on impact of sources of power of power packets on the natural environment,

wherein the determination unit determines whether or not the source of the power of the power packet, as indicated by the attribute information for the power packet, emits greenhouse gas at an emission amount greater than or equal to a predetermined value, and

wherein the power control unit prioritizes use of power for which a source of the power has an emission amount of greenhouse gas that is less than the predetermined value.