[특허]Electrolyser and energy system

Electrolyser and energy system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C02F-001/46 H01M-008/06 F02B-043/10 C25B-009/06 C25B-015/02 C25B-001/04 G06Q-030/04 C25B-009/18 G06Q-050/06
출원번호	US-0404309 (2013-05-27)
등록번호	US-10214821 (2019-02-26)
국제출원번호	PCT/CA2013/050404 (2013-05-27)
국제공개번호	WO2013/177700 (2013-12-05)
발명자 / 주소	Joos, Nathaniel Ian Cargnelli, Joseph
출원인 / 주소	HYDROGENICS CORPORATION
인용정보	피인용 횟수 : 0 인용 특허 : 94

초록 ▼

An electrolyzer operates within an energy system, for example to provide grid services, energy storage or fuel, or to produce hydrogen from electricity produced from renewable resources. The electrolyzer may be configured to operate at frequently or quickly varying rates of electricity consumption or to operate at a specified power consumption. In one process of operating an electrolyzer, a series of dispatches is received indicating a specified power consumption for a period of time. The dispatches may occur at least once every 30 minutes. The electrolyzer is operated according to the dispatches. Hydrogen produced by the electrolyzer is discharged to a natural gas system.

대표청구항 ▼

1. A process comprising the steps of, a) providing an electrolyser, wherein the electrolyser comprises a plurality of discrete stack assemblies;b) receiving a series of dispatches, each of the dispatches indicating a specified power consumption to be consumed over a specific period of time, the dispatches occurring at least once every 30 minutes;c) operating a first subset of the discrete stack assemblies of the electrolyser at a variable rate of power consumption, and operating a second subset of the discrete stack assemblies of the electrolyser each at a continuous rate of power consumption, wherein the continuous rate of power consumption is full power or such that a minimum number of discrete stack assemblies provides the minimum specified power consumption expected over a plurality of dispatches, wherein the electrolyser consumes the specified power consumption over the period of time according to the dispatches; and,d) discharging hydrogen produced during step c) to a natural gas system. 2. The process of claim 1 wherein the dispatches occur at least once every 10 minutes. 3. The process of claim 1 wherein the electrolyser consumes the specified power consumption over the period of time according to the dispatches within a specified tolerance. 4. The process of claim 1 wherein step d) comprises converting the hydrogen into methane before injecting it into the natural gas pipeline. 5. The process of claim 1 wherein the electrolyser has a controller and an electricity meter, and wherein the controller is adapted to operate a DC power supply so as to consume electricity at a pre-determined rate. 6. The process of claim 1 wherein in step c) the electrolyser is operated is according to the dispatches as part of an aggregation of i) multiple electrolysers or ii) at least one electrolyser and at least one other variable load. 7. The process of claim 1 wherein the electrolyser has multiple stack assemblies each having a separate power supply and a controller adapted to operate the multiple stack assemblies at different rates of power consumption at the same time. 8. The process of claim 1 further comprising steps of, a) receiving data related to a maximum amount of hydrogen that may be injected into a gas pipeline; and,b) venting excess hydrogen. 9. The method of claim 8 wherein the data comprises the flow rate of natural gas in the pipeline. 10. The process of claim 1 wherein the electrolyser has multiple stack assemblies that vent upwards to shared gas separators. 11. The process of claim 1 comprising steps of, a) withdrawing natural gas from the natural gas system;b) measuring the concentration of hydrogen in natural gas withdrawn from the natural gas system; and,c) producing a gas mixture with a specified hydrogen concentration by i) adding hydrogen to the natural gas or ii) blending the natural gas with a hydrogen enriched mixture of hydrogen and natural gas withdrawn from a pipeline. 12. An electrolyser comprising, multiple stack assemblies;shared gas separators above the multiple stack assemblies;vents from each of the multiple stack assemblies to the shared gas separators;a separate DC power supply for each of the multiple stack assemblies;a controller connected to each of the separate DC power supplies; and,an electricity meter,wherein the controller is adapted to operate the DC power supplies so as to consume electricity at a pre-determined rate. 13. The electrolyser of claim 12 wherein the controller is adapted to operate the multiple stack assemblies at different rates of power consumption at the same time. 14. The process of claim 1 wherein a third subset of the discrete stack assemblies is shut down or put into standby. 15. The process of claim 1 wherein each discrete stack assembly in the second subset of the discrete stack assemblies is operated at full power.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Electrolyser and energy system 원문보기

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Electrolyser and energy system 원문보기

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