Energy control system, energy control device, and energy control method for prioritizing a power generation source based on the possibility of selling generated power
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05B-015/02
H02J-001/14
H02J-003/00
H02J-003/14
H02J-003/38
출원번호
US-0348558
(2012-09-28)
등록번호
US-9846418
(2017-12-19)
우선권정보
JP-2011-212973 (2011-09-28)
국제출원번호
PCT/JP2012/006240
(2012-09-28)
국제공개번호
WO2013/046713
(2013-04-04)
발명자
/ 주소
Iwata, Kei
출원인 / 주소
Kyocera Corporation
대리인 / 주소
Procopio Cory Hargreaves and Savitch LLP
인용정보
피인용 횟수 :
0인용 특허 :
2
초록▼
An energy control system (1) includes a photovoltaic power generation unit (10) that is connected to the grid and generates power using sunlight, a gas power generation unit (20) that generates power using gas, and a control unit (40) that performs control to supply a load by prioritizing the power
An energy control system (1) includes a photovoltaic power generation unit (10) that is connected to the grid and generates power using sunlight, a gas power generation unit (20) that generates power using gas, and a control unit (40) that performs control to supply a load by prioritizing the power generated by the gas power generation unit (20) when sale of the power generated by the photovoltaic power generation unit (10) to the grid is possible and to supply the load by prioritizing the power generated by the photovoltaic power generation unit (10) when the sale is not possible.
대표청구항▼
1. An energy control system comprising: a photovoltaic power generation unit connected to a grid and configured to generate power using sunlight;a gas power generation unit configured to generate power using gas; anda control unit configured to determine whether sale of the power generated by the ph
1. An energy control system comprising: a photovoltaic power generation unit connected to a grid and configured to generate power using sunlight;a gas power generation unit configured to generate power using gas; anda control unit configured to determine whether sale of the power generated by the photovoltaic power generation unit to the grid is possible,when the sale is possible, automatically perform control to supply a load by prioritizing the power generated by the gas power generation unit over the power generated by the photovoltaic power generation unit, and,when the sale is not possible, automatically perform control to supply the load by prioritizing the power generated by the photovoltaic power generation unit over the power generated by the gas power generation unit. 2. The energy control system according to claim 1, wherein when the sale is possible and rated power generated by the gas power generation unit is not sufficient for power required by the load, the control unit performs control to supply the load also with the power generated by the photovoltaic power generation unit. 3. The energy control system according to claim 1, wherein when the sale is possible, and even supplying both the power generated by the gas power generation unit and the power generated by the photovoltaic power generation unit to the load is not sufficient for power required by the load, the control unit performs control to purchase power from the grid. 4. The energy control system according to claim 1, wherein when the sale is not possible and the power generated by the photovoltaic power generation unit is not sufficient for power required by the load, the control unit performs control to supply the load also with the power generated by the gas power generation unit. 5. The energy control system according to claim 1, wherein when the sale is not possible and power required by the load can be supplied by the power generated by the photovoltaic power generation unit, the control unit performs control to reduce generated power of the gas power generation unit. 6. The energy control system according to claim 1, wherein when the sale is not possible, and even supplying both the power generated by the gas power generation unit and the power generated by the photovoltaic power generation unit to the load is not sufficient for power required by the load, the control unit performs control to purchase power from the grid. 7. The energy control system according to claim 6, wherein when power cannot be purchased from the grid, the control unit controls the load so as to suppress power consumption. 8. The energy control system according to claim 1, wherein the photovoltaic power generation unit and the gas power generation unit are located at a home. 9. An energy control device for controlling a photovoltaic power generation unit connected to a grid and configured to generate power using sunlight and a gas power generation unit configured to generate power using gas, the energy control device configured to: determine whether sale of the power generated by the photovoltaic power generation unit to the grid is possible;when the sale is possible, automatically perform control to supply a load by prioritizing the power generated by the gas power generation unit over the power generated by the photovoltaic power generation unit; and,when the sale is not possible, automatically perform control to supply the load by prioritizing the power generated by the photovoltaic power generation unit over the power generated by the gas power generation unit. 10. The energy control device according to claim 9, wherein the photovoltaic power generation unit and the gas power generation unit are located at a home. 11. An energy control method for controlling a photovoltaic power generation unit configured to generate power using sunlight and a gas power generation unit configured to generate power using gas, the method comprising: determining whether sale of the power generated by the photovoltaic power generation unit to a grid is possible;when the sale is possible, automatically performing control to supply a load by prioritizing the power generated by the gas power generation unit over the power generated by the photovoltaic power generation unit; and,when the sale is not possible, automatically performing control to supply the load by prioritizing the power generated by the photovoltaic power generation unit over the power generated by the gas power generation unit. 12. The energy control system according to claim 4, wherein when performing control to supply the load with the power generated by the gas power generation unit, the control unit causes the gas power generation unit to perform a load following operation. 13. The energy control system according to claim 5, wherein when performing control to reduce the generated power of the gas power generation unit, the control unit instructs the gas power generation unit to perform an idling operation. 14. The energy control system according to claim 13, wherein the idling operation is an operation state such that the generated power is reduced to a level at which the gas power generation unit generates, on its own, power necessary for operation by the gas power generation unit. 15. The energy control method according to claim 11, wherein the photovoltaic power generation unit and the gas power generation unit are located at a home.
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