IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0372233
(2012-02-13)
|
등록번호 |
US-8457800
(2013-06-04)
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발명자
/ 주소 |
|
출원인 / 주소 |
- General Compression, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
13 인용 특허 :
44 |
초록
▼
A system for encouraging the use of renewable energy sources and suitable for the conservation of energy resources through the efficient management of energy storage and delivery includes connections to a power source, an energy storage subsystem, and a power grid. The system includes a power routin
A system for encouraging the use of renewable energy sources and suitable for the conservation of energy resources through the efficient management of energy storage and delivery includes connections to a power source, an energy storage subsystem, and a power grid. The system includes a power routing subsystem coupled to the source and grid, and adapted to operate in a bypass mode, in which energy is transferred from the source to the grid. The system includes a conversion subsystem coupled to the routing and storage subsystems, and switchable in substantially real-time between a storage mode, in which energy is transferred from the routing to the storage subsystem, and a generation mode, in which energy is transferred from the storage to the routing subsystem for delivery to the grid. The system also includes a controller for directing the modes based at least in part on a market factor.
대표청구항
▼
1. A method for encouraging the use of renewable energy sources and suitable for the conservation of energy resources through the efficient management of energy storage and delivery, the method comprising the steps of: connecting to a power source;connecting to an energy storage subsystem;connecting
1. A method for encouraging the use of renewable energy sources and suitable for the conservation of energy resources through the efficient management of energy storage and delivery, the method comprising the steps of: connecting to a power source;connecting to an energy storage subsystem;connecting to a power grid;routing at least some energy produced by the power source to the power grid;automatically switching in substantially real-time between storing energy by transferring energy from at least one of the power source and the power grid to the storage subsystem, and generating energy by transferring energy from the storage subsystem to the power grid,wherein at least one of the routing and the switching is based at least in part on a market factor comprising a future market price of energy or electricity;trading energy by at least one of buying power from and selling power to a power trading market; andutilizing power available from the power source, the storage subsystem, and the energy trading to fulfill contractual power service requirements. 2. The method of claim 1, wherein the power source is an intermittent power source selected from the group consisting of wind energy, solar energy, wave energy, tidal energy, falling water, hydro energy, biomass energy, and geothermal energy. 3. The method of claim 1, wherein the storage subsystem comprises a storage medium selected from the group consisting of fluidic storage, mechanical storage, kinetic storage, electrical storage, electrochemical storage, and thermal storage. 4. The method of claim 1, wherein the storage subsystem comprises a storage volume in a form selected from the group consisting of a pressure vessel, a subterranean cavern, a well, a flywheel, a battery, piping, a bladder, a hydrostatically pressure-compensated container, a lake, a pond, a liquid storage vessel, a water retention structure, and a capacitor. 5. The method of claim 1, wherein the storing step comprises compressing gas. 6. The method of claim 1, wherein the routing and switching steps are further based on a comparison of the market factor to a threshold. 7. The method of claim 6, wherein the routing and switching steps are further based at least in part on an available capacity of the storage subsystem. 8. The method of claim 7, wherein the switching step further comprises switching to storing energy when the market factor is less than the threshold by at least a predetermined margin and there exists available storage capacity. 9. The method of claim 8 further comprising decreasing the predetermined margin when the available capacity is greater than a predetermined value, and increasing the predetermined margin when the available capacity is less than a predetermined value. 10. The method of claim 7, wherein the switching step further comprises switching to generating energy when the market factor is greater than the threshold by at least a predetermined margin. 11. The method of claim 10 further comprising increasing the predetermined margin when the available capacity is greater than a predetermined value, and decreasing the predetermined margin when the available capacity is less than a predetermined value. 12. The method of claim 6, wherein the routing and switching steps are further based at least in part on environmental conditions selected from the group consisting of present local environmental conditions, projected local environmental conditions, present remote environmental conditions, and projected remote environmental conditions. 13. The method of claim 6, wherein the routing and switching steps are further based at least in part on environmental conditions selected from the group consisting of wind speed, wind direction, air temperature, air pressure, humidity, precipitation, cloud cover, season, length of daylight, tidal status, storage temperature, storage time, storage pressure, and day/night temperature differential. 14. The method of claim 6, wherein the threshold is selected from the group consisting of a present supply, a future supply, a present demand, a future demand, an average market price, and a present market price. 15. The method of claim 1, wherein the market factor further comprises a factor selected from the group consisting of a present market price of electricity, a trending price of electricity, a supply of electricity, and a demand of electricity. 16. The method of claim 1 further comprising the step of delivering power to the grid to fulfill a power service selected from the group consisting of baseload, intermediate, peaking, load following, frequency regulation, spinning reserve, non-spinning reserve, reactive power control, load source on demand response, and ramp-rate control. 17. The method of claim 16, wherein the delivering step further comprises delivering power to the grid to fulfill a long-duration power service simultaneously with at least one ancillary power service. 18. The method of claim 16, wherein the delivering step further comprises delivering power to the grid to fulfill the power service by one of simultaneously storing energy and routing energy, and simultaneously generating energy and routing energy. 19. The method of claim 1, wherein the step of trading energy further comprises initiating at least one of a purchase of electricity, an offer to purchase electricity, a sale of electricity, and an offer to sell electricity. 20. The method of claim 19, wherein the trading step comprises fulfilling a power service by buying electricity at a market price, and selling electricity at a contract price.
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