Systems and methods of semi-centralized power storage and power production for multi-directional smart grid and other applications
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-001/00
H02J-003/00
H02J-004/00
출원번호
US-0890917
(2013-05-09)
등록번호
US-8907524
(2014-12-09)
발명자
/ 주소
Vandor, David
출원인 / 주소
Expansion Energy LLC
대리인 / 주소
Lane, Eric L.
인용정보
피인용 횟수 :
0인용 특허 :
35
초록▼
Systems and methods of semi-centralized power storage and distributed power generation comprise at least one power storage facility at a first location, at least one distributed power generation facility at a second location different than the first location, and at least one mobile stored power tra
Systems and methods of semi-centralized power storage and distributed power generation comprise at least one power storage facility at a first location, at least one distributed power generation facility at a second location different than the first location, and at least one mobile stored power transportation unit. The power storage facility includes a power storage medium comprising liquid air, nitrogen, oxygen, or a combination thereof. The mobile stored power transportation unit is configured to carry at least a portion of the power storage medium to the distributed power generation facility. In exemplary embodiments, the power storage facility is an air separation plant. The power storage facility may also function as an energy service company.
대표청구항▼
1. A system of semi-centralized energy storage and distributed power generation, comprising: at least one energy storage facility receiving energy via an electric grid, the energy being generated at a first location, the energy storage facility being at a second location different from the first loc
1. A system of semi-centralized energy storage and distributed power generation, comprising: at least one energy storage facility receiving energy via an electric grid, the energy being generated at a first location, the energy storage facility being at a second location different from the first location, the second location being closer to end users of the energy than the first location;the energy storage facility producing an energy storage medium at the second location and storing the energy from the first location at the second location in the energy storage medium, the energy storage medium comprising: liquid air, liquid oxygen, liquid nitrogen, or a combination thereof;at least one mobile stored energy transportation unit configured to carry at least a portion of the energy storage medium to a distributed power generation facility at a third location different from the first and second locations, the third location being closer to end users of the energy than the first location; anda prime mover fluidly connected to the distributed power generation facility, wherein the energy storage medium cools an inlet air stream to the prime mover. 2. The system of claim 1 wherein the energy storage facility is an air separation plant. 3. The system of claim 1 wherein the energy storage facility functions as an energy service company. 4. The system of claim 1 wherein the distributed power generation facility is electrically connected to an electric grid and provides power to the grid. 5. The system of claim 1 wherein the energy storage facility is configured to use a portion of the stored energy in a distributed power generation mode. 6. The system of claim 1 further comprising a natural gas pipeline fluidly connected to the distributed power generation facility. 7. The system of claim 1 wherein the power storage facility comprises: a plurality of compressors;at least one heat exchanger fluidly connected to at least one of the compressors;at least one expander fluidly connected to at least one of the compressors;a mechanical chiller fluidly connected to the expander; anda storage vessel fluidly connected to the expander. 8. The system of claim 1 wherein the distributed power generation facility comprises: a plurality of heat exchangers;at least one expander fluidly connected to at least one of the heat exchangers; anda prime mover assembly including a prime mover, the prime mover assembly fluidly connected to at least one of the heat exchangers. 9. The system of claim 1 wherein the prime mover is a fueled turbine, and wherein the turbine provides a portion of power supplied by the distributed power generation facility. 10. The system of claim 1 wherein the prime mover is a fueled turbine. 11. The system of claim 1 wherein the system is a commercial scale deployment. 12. The system of claim 1 further comprising at least one energy storage facility at a fourth location different than the second location, wherein at least one mobile stored energy transportation unit transports energy storage medium from the fourth location to the distributed power generation facility. 13. The system of claim 1 wherein the at least one mobile stored energy transportation unit carries at least a portion of the energy storage medium off-grid to the distributed power generation facility. 14. The system of claim 1 wherein the prime mover functions as a back-up generator. 15. The system of claim 1 wherein at least one distributed power generation facility sends power back to the energy storage facility. 16. A method of semi-centrally storing energy and distributing power, comprising: receiving energy from a first location, the energy being received by an energy storage facility at a second location different from the first location, the second location being closer to end users of the energy than the first location;producing an energy storage medium at the second location and storing the energy at the second location in the energy storage medium, the energy storage medium comprising: liquid air, liquid oxygen, liquid nitrogen, or a combination thereof;transporting at least a portion of the energy storage medium to a third location different than the first and second locations, the third location being closer to end users of the energy than the first location;releasing energy from the energy storage medium to generate power via a distributed power generation facility located at the third location; andproviding a portion of outflow power from a prime mover located at the third location, the prime mover being fluidly connected to the distributed power generation facility. 17. The method of claim 16 wherein storing energy comprises separating air into liquid oxygen, liquid nitrogen, or a combination thereof. 18. The method of claim 17 further comprising storing at least a portion of the energy in the energy storage medium as back-up power. 19. The method of claim 16 wherein generating power comprises providing power to an electric grid. 20. The method of claim 16 wherein a portion of the stored energy is used at the second location. 21. The method of claim 16 further comprising providing natural gas at the third location. 22. The method of claim 16 wherein storing power comprises providing a stream of side load refrigerant to cool the power storage medium. 23. The method of claim 16 wherein releasing power comprises: pumping to pressure the power storage medium;directing a working fluid in counterflow to the power storage medium such that the working fluid warms the power storage medium and the power storage medium condenses the working fluid;directing one or more gaseous products of combustion in counterflow to the power storage medium such that the gaseous products warm the power storage medium and the working fluid; andexpanding the power storage medium and the working fluid in generator-loaded expanders. 24. An integrated electric grid, fuel source, and surface transport system, comprising: at least one energy storage facility receiving energy via an electric grid, the energy being generated at a first location, the energy storage facility being at a second location different from the first location, the second location being closer to end users of the energy than the first location;the energy storage facility producing an energy storage medium at the second location and storing the energy from the first location at the second location in the energy storage medium, the energy storage medium comprising: liquid air, liquid oxygen, liquid nitrogen, or a combination thereof;at least one mobile stored energy transportation unit configured to carry at least a portion of the energy storage medium to a distributed power generation facility via surface transport systems, the distributed power generation facility being at a third location different from the first and second locations, the third location being closer to end users of the energy than the first location; anda fuel source and a prime mover fluidly connected to the distributed power generation facility, the prime mover providing a portion of outflow power supplied by the distributed power generation facility. 25. The system of claim 24 wherein the energy storage facility is an air separation plant. 26. The system of claim 24 wherein the energy storage facility is configured to use a portion of the stored energy in a distributed power generation mode. 27. A method of distributing energy, comprising: receiving energy from a first location via an electric grid, the energy being received at an energy storage facility at a second location different from the first location, the second location being closer to end users of the energy than the first location;producing an energy storage medium at the second location, storing energy at the second location in the energy storage medium, and transporting energy from the second location to a third location in an energy storage medium via a mode of transportation independent of an electricity grid, the third location being different than the first and second locations and being closer to end users of the energy than the first location; andusing a portion of the energy storage medium to cool an inlet air stream to a prime mover located at the third location, the prime mover being fluidly connected to a distributed power generation facility located at the third location.
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