WO2020153896A1 - Procédé et système permettant de stocker de l'énergie électrique sous forme de chaleur et de produire une sortie d'alimentation au moyen de ladite chaleur - Google Patents

Procédé et système permettant de stocker de l'énergie électrique sous forme de chaleur et de produire une sortie d'alimentation au moyen de ladite chaleur Download PDF

Info

Publication number
WO2020153896A1
WO2020153896A1 PCT/SE2020/050054 SE2020050054W WO2020153896A1 WO 2020153896 A1 WO2020153896 A1 WO 2020153896A1 SE 2020050054 W SE2020050054 W SE 2020050054W WO 2020153896 A1 WO2020153896 A1 WO 2020153896A1
Authority
WO
WIPO (PCT)
Prior art keywords
geothermal
heat
power output
energy
electricity
Prior art date
Application number
PCT/SE2020/050054
Other languages
English (en)
Inventor
Joachim KARTHÄUSER
Original Assignee
Climeon Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Climeon Ab filed Critical Climeon Ab
Publication of WO2020153896A1 publication Critical patent/WO2020153896A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T50/00—Geothermal systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/001—Devices for producing mechanical power from solar energy having photovoltaic cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D18/00—Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2101/00—Electric generators of small-scale CHP systems
    • F24D2101/10—Gas turbines; Steam engines or steam turbines; Water turbines, e.g. located in water pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2101/00—Electric generators of small-scale CHP systems
    • F24D2101/20—Wind turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2101/00—Electric generators of small-scale CHP systems
    • F24D2101/40—Photovoltaic [PV] modules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2103/00—Thermal aspects of small-scale CHP systems
    • F24D2103/10—Small-scale CHP systems characterised by their heat recovery units
    • F24D2103/17—Storage tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/11—Geothermal energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D20/0039—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material with stratification of the heat storage material
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/40—Geothermal heat-pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • This invention relates to the field of power generation, and storage of energy and electricity.
  • the invention deals specifically with energy storage in the form of hot water.
  • the following patent disclosures give an impression of the general art:
  • US 9,331,547 (L. Bronicki, Ormat Technologies) describes an elegant hybrid geothermal power plant where photovoltaic modules and a geothermal Rankine cycle cooperate in order to match electricity production and demand.
  • An electric generator is driven to generate electricity by the turbine of the ORC fluid circuit and/or the DC motor, in turn driven by DC power produced by the PV module.
  • US 2014/0260246 discloses a geothermal power plant comprising an Organic Rankine Cycle, ORC, unit, a geothermal well and a storage tank.
  • the ORC unit uses thermal heat from hot brine in the well to generate electrical energy.
  • the ORC unit is partially or completely stopped, and the hot brine may be stored in storage tank.
  • WO 2018/102265A1 by J. King et al. describes a combined geothermal and concentrated-solar-power system which is able to store energy.
  • the general technology to store excess electricity as heat, with possibility to recover at least part of the electricity through a thermodynamic cycle is being referred to as“Carnot battery”, see htps://iea-eces.org/events/international-workshop-on-camot-batteries/ ⁇
  • Heat at any temperature between 100 and 800 °C may be generated directly with resistive heating or by using a heat pump, and the heat may be stored in any medium including hot water (see Climeon WO2017/065683A1), molten salt (Google/Malta proposal), or volcanic stones (Siemens proposal). Heat and cold may be stored in separate containers.
  • COP Coefficient of Performance
  • the object of the invention is to provide a method and a system for storing energy and producing electricity with a high efficiency and profitability.
  • the object of the invention is to provide a method and a system for storing energy and producing electricity with a high cycle turnaround efficiency, i.e. electrical energy produced by the Rankine Cycle (RC) divided by the electrical energy consumed by the device generating heat, >50%, >70% and even >90%.
  • the method is preferably used for storing and time-shifting intermittent renewable electricity from solar and wind power at a scale above 1 MWh and a power effect of 150 kW and above, and it can be used to store any electricity.
  • the object of the invention is to provide a method and a system for storing energy and producing electricity wherein the method and system is used for quickly, i.e. on the scale of less than one minute, regulating power demand in the electrical grid.
  • the object of the invention is to provide a method and a system for storing energy and producing electricity wherein full and phase- and frequency-matched power is supplied at within less than one minute.
  • the present invention relates to a system for storing heat energy and generating a power output in the form of electricity using the heat.
  • the energy system comprises a heat power module comprising a turbine generator arranged to generate a first power output in the form of electricity.
  • the heat power module is operating in accordance with a thermodynamic closed loop cycle process being arranged to receive heat input from a geothermal well, wherein the well is functioning as first continuous energy source of geothermal heat, and a cold input from a cold source for phase change of a working medium.
  • the energy system also comprises a receiver for receiving the first power output and a second power output generated by at least one additional intermittent energy source selected from solar photovoltaic s, wind power, biogas electrification or other renewable energy source arranged to intermittently generate electricity.
  • the energy system comprises an electricity control system controlling and distributing the first power output and second power output via the receiver externally to an electrical grid, at least one flow control system arranged to distribute the flow of a geothermal medium heated by the geothermal heat in the geothermal well and a controller in electrical communication with the receiver, the electricity control system and the flow control system, wherein the controller is configured to direct the electricity control system and flow control system to regulate electricity distribution and geothermal medium flow and distribution.
  • the energy system is characterised by that the controller is arranged to direct the flow control system to regulate the geothermal medium to: i) be distributed from the geothermal well to a first thermal storage system when a second power output is received by the receiver; and ii) be distributed from the first thermal storage system to be used as heat input to the heat power module mainly when a second power output is not received by the receiver, wherein the heat power module generate the first power output.
  • the electricity production is controlled so that the heat power module electricity production is mainly active when the renewable additional intermittent energy sources are not active to produce electricity, and vice versa, so that electricity from the renewable additional intermittent energy sources is stored in the form of geothermal heat in the heat storage tank, and electricity production for the electrical grid can be time-shifted to meet public demand.
  • the controller is arranged to direct the electricity control system to distribute selected electricity to operate a geothermal pump arranged to generate a flow of geothermal medium, wherein the selected electricity is the first power output, the second power output or power from the electrical grid.
  • the receiver is also arranged to detect required power demand from the electrical grid.
  • the selected electricity to operate the geothermal pump is the second power output, when the second power output or the total system power output exceed the detected required power demand from the electrical grid.
  • the energy system also comprises a first thermal storage system and wherein the first thermal storage system comprises at least one first thermal storage tank arranged below or above ground.
  • the first thermal storage system is preferably selected to be able to store liquid medium having the temperature range 70-140 °C, preferably at below 100 °C and to maintain the temperature within the range.
  • the heat storage tank has a volume of at least 50 m 3 and/or is large enough to generate a flow of geothermal medium to the heat power module for at least 2 hours of electricity production, preferably at least 4 hours.
  • the first thermal storage tank is used as a district heating tank or a reservoir.
  • the first thermal storage tank is a combined storage tank adapted for a layered storage of geothermal medium from the hot source and/or cooling medium from the cold source, wherein the medium is stored in layers according to density and temperature.
  • the hot storage medium and the cold storage medium may comprise preferably water or geothermal brine, optionally physically decoupled through heat exchangers.
  • the first thermal storage system comprises a second thermal storage tank arranged to store the geothermal medium exiting the heat power module at a temperature below the first temperature interval.
  • the energy system also comprises a second thermal storage system and wherein the second thermal storage system arranged to store the cooling medium from the cold source.
  • the geothermal pump system and the heat power module are selected to create an energy system operating at a COP of least 10, i.e. one unit of electricity supplied to the geothermal pump produces at least 10 units of heat and later at least 10 units of electricity generated by the heat in the heat power module.
  • the energy system is simple and economic as storage of hot water or hot liquid is
  • the geothermal pump produces at least 10 units of thermal energy in the range 80-100 °C using one unit of electrical energy supplied to the pump, thus electrical energy stored in the form of thermal energy can be recovered to 100%.
  • the heat power module utilises an Organic Rankine Cycle to generate electricity, wherein the Organic Rankine Cycle is operating with a heat input of 70-140 °C, a cold input between 0-30 °C and a net efficiency for conversion of heat to power of at least 5%.
  • the heat input of the hot source is from a geothermal medium having a temperature within a first temperature interval.
  • the first temperature interval are temperatures between 70-140 °C, preferably below 100 °C,
  • the energy system also comprises at least one additional intermittent energy source selected from solar photovoltaic s, wind power, biogas electrification or other renewable energy source arranged to intermittently generate electricity.
  • An additional intermittent energy source of that kind typically requires intermediate and temporary storage for 1-120 hours, preferably 4-12 hours, to optimize its power output.
  • the temporary storage is solved by the energy system according to the invention.
  • the additional intermittent energy source may preferably be located in immediate proximity to first continuous energy source, thus the geothermal well and may share certain components such as high voltage connection infrastructure, or where the electricity sources are geographically apart, but linked through the electrical grid.
  • the invention also relates to a method for storing electrical energy in the form of heat and producing a power output using the heat.
  • the method comprising the steps:
  • a heat power module comprising a turbine generator arranged to generate a first power output in the form of electricity, wherein the heat power module operating in accordance with a thermodynamic closed loop cycle process being arranged to receive heat input from a geothermal well, functioning as first continuous energy source of geothermal heat and a cold input from a cold source for phase change of a working medium,
  • the electricity control system is directed to distribute selected electricity to operate a geothermal pump arranged to generate a flow of geothermal medium, wherein the selected electricity is the first power output, the second power output or power from the electrical grid.
  • the required power demand from the electrical grid is detected in the detection step, and wherein the selected electricity to operate the geothermal pump is the second power output when the second power output or the total system power output exceed the detected required power demand from the electrical grid.
  • the geothermal pump is controlled to be operated at variable speed depending on the power output from the first continuous energy source and the additional intermittent energy source. In another embodiment, the geothermal pump is controlled to be operated at essentially the same speed, possibly with +/- 10% variations, over extended periods of time.
  • the method or system according to the above is preferably to be used as a battery for storage of electricity at a capacity scale of 1 MWh electricity and above and a power rating of 150 kW peak electricity and above.
  • Fig. la and lb show the general first and a second system according to the invention.
  • Fig. 2a and 2b show schematic view illustrating the energy system and working principle of an exemplary heat power module utilising the phase change energy of a working medium produced in a thermodynamic cycle process RCP.
  • Fig. 3 shows a schematic view of time-shifting electricity production from renewable energy (RE) using a geothermal well and a pump which is operated at 50-100% of nominal load during the day.
  • Fig. 4 shows data from Fig. 3 in graphical form.
  • RE renewable energy
  • Fig. 5 is a table similar to Fig. 3, but with constant operation of the geothermal pump.
  • Fig. 6 shows COP 20 geothermal unit, capable of time-shifting intermittent renewable energy production over the day.
  • Fig. 7 shows storage of 120 a.u. wind energy in geothermal heat storage, and time-shifted electricity production with 100% turnaround efficiency with a COP 10 geothermal well.
  • Fig. 8 shows a graphical representation of Fig. 7.
  • the Rankine cycle is an idealized thermodynamic cycle of a heat engine that converts heat into mechanical work.
  • An Organic Rankine cycle (ORC) is a Rankine cycle using other working fluids than water/steam, in particular organic fluids.
  • ORC Organic Rankine cycle
  • the term“ORC” is meant as any power generation process capable of converting 50-150 °C heat streams to electricity.
  • the applicant uses the process termed“Heat Power” as described in WO 2012/128715, WO 2014/042580, WO 2015/034418, WO 2015/112075, WO 2015/152796, and WO 2016/068778, and related documents in the patent families, all hereby incorporated by reference.
  • the heat power module is a particularly efficient power generation system operating at low pressures and capable of utilising heat of low
  • temperatures e.g. 70-120 °C, for power generation.
  • Other ORC processes may be used as well in the embodiments of the present invention.
  • the present invention relates to an energy system and method which allow the reversible storage of electricity at a scale exceeding 1 Megawatt-hour (MWh).
  • MWh Megawatt-hour
  • Fig. la shows the general system for storing heat energy and producing electricity using the heat according to a first embodiment of the invention.
  • the term‘receiver’ is to be interpreted as any device, structure or system configured to receive, control, convert and/or deliver electric power to and from different sources of electric power supply, including an electrical grid.
  • the receiver may comprise one or more power electronic devices such as rectifiers, inverters, DC- to-DC and/or AC-to-AC converters and transformers for conversion between direct current (DC) and alternating current (AC), stepping up or down between different voltages and/or changing the frequency of current.
  • the receiver may further include associated components such as capacitors, voltage regulators, reactors, switchgears and/or circuit breakers as known in the art.
  • An electrical substation represents one example of a receiver that may be employed in the energy system according to the present invention.
  • the energy system comprises at least one heat power module 1 comprising a turbine generator 300, 400 arranged to continuously generate first power output El in the form of electricity.
  • the energy system also comprises a receiver 2 for receiving the first power output El and a second power output E2, wherein the second power output E2 is generated by at least one additional intermittent energy source ES 1 selected from solar photovoltaic s, wind power, biogas electrification or other energy sources arranged to intermittently generate electricity.
  • the energy system also comprises an electricity control system 3 controlling and distributing the first power output El and second power output E2 via the receiver 2 externally to an electrical grid, represented by the transmission tower supporting overhead power lines at the top of Figs la and lb, as well as at least one flow control system 4 arranged to distribute the flow of a geothermal medium heated by the geothermal heat HS in the geothermal well.
  • an electricity control system 3 controlling and distributing the first power output El and second power output E2 via the receiver 2 externally to an electrical grid, represented by the transmission tower supporting overhead power lines at the top of Figs la and lb, as well as at least one flow control system 4 arranged to distribute the flow of a geothermal medium heated by the geothermal heat HS in the geothermal well.
  • the receiver 2 may be a collector substation, collecting the first power output El and second power output E2 from multiple power sources as defined herein (e.g. solar, thermal, wind etc.), for further delivery to a connected electrical grid.
  • the receiver 2 and electricity control system 3 together act as a switching station in connecting and disconnecting transmission lines or other components to and from the energy system.
  • the flow is generated by an electricity powered geothermal pump 7.
  • the energy system may also comprise a system of pipes and valves connecting the pump 7 with the heat power module 1 and the first thermal storage system 6.
  • the geothermal medium is distributed to and from the first thermal storage system 6 by the system of pipes and valves controlled by signals sent by the flow control system 4.
  • the energy system also comprises a controller 5 in electrical communication with the receiver 2, the electricity control system 3 and the flow control system 4.
  • the controller 5 is configured to direct the electricity control system 3 and flow control system 4 to regulate electricity distribution and geothermal medium flow and distribution.
  • the controller 5 may comprise a processor and a non-transitory computer-readable medium, configured to store instructions, which when executed by the processor, causes the controller 5 to receive the instructions from the electricity control system 3 and the flow control system 4 and to generate a signal to distribute electricity and flow of geothermal medium accordingly.
  • the geothermal medium is distributed to flow from the geothermal well to the first thermal storage system 6 when the least one additional intermittent energy source ES2 is generating a power output E2 and to flow from the first thermal storage system 6 to be used as heat input HSin to the heat power module 1 mainly when the least one additional intermittent energy source ES2 is not generating a power output E2.
  • the geothermal medium is controlled to be distributed on the basis of mainly the following input parameters, a) amount of generated electricity by the additional intermittent energy source ES2, b) available heat input HSin stored in the first thermal storage system 6, c) power demand of the geothermal pump 7, and d) marked required first power output El from the first continuous energy source ESI.
  • the electricity control system is arranged to distribute power to a geothermal pump 7 either from the intermittent energy source ES2 and/or from the heat power module 1 and/or from the electrical grid.
  • the receiver 2 also detect signals about the present required power demand from the electrical grid.
  • the power demand varies over the day, see for example Fig. 4.
  • the selected electricity to operate the geothermal pump 7 is the second power output E2.
  • Detection of power demand from the electrical grid is possible e.g. by detecting changes in the frequency of the electrical grid, i.e. deviations from e.g. 50 or 60 Hz.
  • the energy system may also include the at least one additional intermittent energy source ES2. However, the energy system may also be connected to an already existing power plant producing energy from the additional intermittent energy source ES2.
  • the first thermal storage system 6 comprises at least one first thermal storage tank 6A arranged below or above ground.
  • the energy system for storing heat energy may be connected to or include the first thermal storage system 6.
  • the first thermal storage system 6 is preferably selected to be able to store liquid medium having the temperature range 70-140 °C, preferably at below 100 °C and to maintain the temperature within the range.
  • the heat storage tank 6A preferably has a volume of at least 50 m 3 and/or is large enough to generate a flow of geothermal medium to the heat power module for at least 2 hours of electricity production, preferably at least 4 hours.
  • the heat storage tank 6A may also be at least 100 m 3 , 1000 m 3 , 10 000 m 3 or at least 100 000 m 3 .
  • the storage tank may be a heat storage tank/reservoir as used in the district heating industry.
  • Underground caverns are suitable reservoirs for both heat and cold storage.
  • the heat power module 1 is arranged to continuously generate first power output El in the form of electricity.
  • the heat power module operating in accordance with a thermodynamic closed loop cycle process RCP being arranged to receive heat input HSin from a geothermal well, functioning as first continuous energy source ES 1 of geothermal heat HS, and a cold input CSin from a cold source CS.
  • the heat and cold inputs are used for phase change of a working medium.
  • the hot source is geothermal well comprising a geothermal medium and the cold source may for example be a cooling tower, radiator, a large water body (from a nearby river, lake or sea) or underground well.
  • the heat power module 1 is further described in Fig. 2a and 2b.
  • the hot side heat exchanger of the heat power module 1 is kept at an operational temperature by circulating hot water through the hot side heat exchanger and by idling the heat power module, and where after the heat power module may be started up within less than one minute to provide full and phase- and frequency- matched power supply.
  • the cycle turnaround efficiency i.e. electrical energy produced by the heat power module divided by the electrical energy consumed by the heat pump, is at least 50%.
  • Fig. lb shows the general system for storing heat energy and producing electricity using the heat according to a second embodiment of the invention.
  • the general system is similar to the energy system in Fig. la however here additional thermal storage systems have been added.
  • the first thermal storage system 6 also comprises a second thermal storage tank 6B arranged to store the geothermal medium exiting the heat power module. I.e. at a temperature below the first temperature interval.
  • the energy system in Fig. lb also comprises a second thermal storage system 8.
  • the second thermal storage system 8 is arranged to store the cooling medium from the cold source CS.
  • the cold second thermal storage system 8 and/or the hot first thermal storage system 6 may either comprise two separate storage tanks or a combined storage tank.
  • the combined storage tank may be a stratified tank which may have a separating layer such as a floating separating layer.
  • the colder storage medium is collected at the bottom and the hot storage medium is collected at the top of the combined storage due to difference in densities of the cold and warm media.
  • the complete energy system provides electrical energy partly by continuous electrical energy from heat power and generated in the heat power module and partly by intermittent electrical energy from wind power or solar power.
  • the purpose of the energy system is to store especially intermittent energy until such time when electrical energy is needed by a utility or customers.
  • Fig. 2a shows a schematic view illustrating the working principle of an exemplary heat power module.
  • the power generation module is arranged to convert low temperature heat into electricity by utilising the phase change energy of a working medium produced in a thermodynamic cycle process RCP.
  • the thermodynamic closed loop cycle may be a Rankine cycle, Organic Rankine Cycle, Kalina cycle or any other known thermodynamic closed loop power generating processes converting heat into power.
  • the heat power module of the invention is arranged to continuously generate thermal power output in the form of electricity by a thermodynamic closed loop cycle process utilising the temperature difference between a heat input of a hot source and a cold input from a cold source.
  • the hot source HS is a geothermal medium flow from a geothermal well.
  • the heat power module is cooled by a cooling medium flow which may come from a cold source CS in the form a cooling tower, radiator, a large water body (from a nearby river, lake or sea) or underground well.
  • the temperature of the cooling flow entering the heat power module is within a second temperature interval of 0-30 °C, preferably 5-20 °C.
  • the temperature of the cooling medium when exiting the heat power module is preferably 20-40 °C.
  • the cooling medium may circulate in a closed loop.
  • the hot storage medium and the cold storage medium may comprise preferably water or geothermal brine, optionally physically decoupled through heat exchangers.
  • the power generation module comprises a turbine 300, a generator 400, a hot source heat exchanger 200, a condensation device 500, for example in the form of a cold source heat exchanger, and a pump 600, and a working fluid is circulated through the module.
  • the working fluid is heated in the hot source heat exchanger 200, also called evaporator, to vaporisation by an incoming hot source HSin, e.g. the hot geothermal fluid.
  • the hot gaseous working fluid is then passed through the turbine 300 which drives the generator 400 for production of electrical energy.
  • the expanded hot working fluid is then fed into the condensation device 500 to be by the cold input from the cold source CSin, converted back to liquid form before being recirculated to the hot source heat exchanger 200 to complete the closed-loop cycle 100, as shown on the left-hand side of Fig. 2a.
  • the condensation of the working medium takes place directly in the cold source heat exchanger 500 which then can be the to be the condensation device.
  • the stream of liquid medium Q may be pumped directly back to the hot source heat exchanger 200 by the pump 600.
  • the condensation device may in one embodiment, as illustrated in Fig. 2b, 1 be a separate vessel 100 or container 100 and a cold source heat exchanger 500.
  • hot working fluid is produced from a geothermal well using a pump to pump geothermal fluid.
  • Figs. 3 and 4 give schematic details:
  • Fig. 3 shows a schematic view of time-shifting electricity production from renewable energy (RE) using a geothermal well and a pump which is operated at 50-100% of nominal load during the day.
  • RE renewable energy
  • the“Total Delivery to grid” can be time-shifted.
  • solar PV electricity has been stored by means of the geothermal well and heat storage.
  • Fig. 4 shows data from Fig. 3 in graphical form.
  • renewable energy (RE) is produced mainly around mid-day, i.e. in the hours 9-16 and peaking at noon.
  • a total of 120 a.u. (e.g. kWh) is produced.
  • the actual demand from the market is shown in the line“Total delivery to grid”, this is also set to be 120 a.u.
  • the geothermal pump consumes 240 a.u. for the production of 2400 a.u. thermal energy corresponding to a COP of 10.
  • the thermal energy is stored in a tank of suitable size.
  • the operation of the heat power module is variable during the day, as is apparent from the line“El from Heat Power”.
  • the total daily consumption and production of electricity from the heat power module is 240 a.u.
  • the RE production around noon has been spread out over the day to match demand, thus in effect the electrical energy has been stored.
  • the geothermal well works like a heat pump with a COP of 10, 100% of the electrical energy is recovered. Higher COP means that in excess of 100% can be produced.
  • the pump is operated variably. At night time, the pump uses 6 a.u. whereas at noon, 14 a.u. are consumed. This mode is possible but not preferred. In general, geothermal pumps are preferably operated at the same speed for longer periods, leading to example 2.
  • the geothermal pump is constantly using 10 a.u.
  • the electrical energy is supplied by operation of the heat power module especially at night time, and from RE around noon. Even in this case, the RE production can be“smeared out” over the day.
  • the thermal energy reservoir is built up during the day and depleted in the evening/night and morning hours.
  • Fig. 5 shows a table similar to Fig. 3, but with constant operation of the geothermal pump. Typically, geothermal pumping is more efficient than corresponding to a COP of 10. The next example describes a system with a COP of 20.
  • the 2000 m 3 tank may be filled with water at all times, but early afternoon the tank may contain only 90 °C water, and the next morning, when 30 000 kWh thermal energy has been used for nighttime electricity production (3 000 kWh) using the heat power module, the temperature may have dropped to 75 °C (15 °C temperature difference and 2000 m 3 equate to 33 000 kWh thermal energy).
  • Fig. 6 shows a COP 20 geothermal unit, capable of time-shifting intermittent renewable energy production over the day.
  • Example 4 Here, wind is assumed to supply a total of 120 a.u. energy, stochastically distributed over the day. Wind energy is used as solar energy to drive the geothermal pump to the degree possible given market demand, as shown in Figs. 5 and 6.
  • Fig. 7 shows a graph presenting storage of 120 a.u. wind energy in geothermal heat storage, and time-shifted electricity production with 100% turnaround efficiency with a COP 10 geothermal well.
  • Fig. 8 shows a graphical representation of Fig. 7.
  • the source of electricity be it wind, solar or any other electricity source, may be a single source or a plurality of sources.
  • the source may be in direct proximity, or it may be geographically far away. In the latter case electricity supply would be physically through the electrical grid, and legally through a Power Purchase
  • the geothermal facility and the solar park may share certain components such as HV generation, AC/DC converters and the like for grid feed-in.
  • the cooling devices creating the cooling flow necessary to operate the heat power module may be utilising the space occupied by the solar park.
  • the cooling devices for example air cooled heat exchangers, could be placed under solar panels, as an example.
  • geothermal well Any geothermal well may be used for the invention. Practically, it is sufficient to utilize geothermal sources providing a flow within the temperature range 80-140 °C and even below 100 °C. Those sources are more common in many countries, and cheaper to utilize.
  • the heat may come from depths such as 1-3 km. It is usual that pumping power is needed to produce the thermal flow, and the thermal power output divided by the pumping power can be defined as a COP or coefficient of performance for heat production. If 1 kWh electrical energy is required for production of 10 kWh of thermal energy, e.g. water in the temperature range of 70-90 °C, then these 10 kWh of thermal energy can be re-converted to 1 kWh electrical energy using the heat power module.
  • the hot side heat exchanger of the heat power module may be kept at an operational temperature by circulating hot water through the hot side heat exchanger and by idling the heat power module, where after the heat power module may be started up within less than one minute to provide full and phase- and frequency-matched power supply.
  • the geothermal well can be considered an essentially closed loop of geothermal fluid, compared to a traditional geothermal well comprising an additional volume of water stored in a tank or underground reservoir.
  • the essentially closed loop may also comprise further use of water at e.g. 75 °C and below for district heating or heating of agricultural areas such as greenhouses, as the case may be using intermediate heat exchangers according to known art. Finally, the water is reinjected into the geothermal well.
  • a simple solution for storing electricity in the form of a hot medium.
  • the solution is cheap in construction and operation, and therefore provides a useful method to store intermittent electricity at attractive“levelized costs of storage” or LCOS, significantly below the LCOS of electrochemical batteries.

Abstract

L'invention concerne un système permettant de stocker l'énergie thermique et de produire une sortie d'alimentation sous forme d'électricité au moyen de la chaleur. Le système d'énergie comprend : un module de puissance thermique (1) fonctionnant selon un procédé de cycle à boucle fermée thermodynamique (RC) de manière à générer une première sortie d'alimentation (E1) à partir d'une entrée de chaleur (Hsentrée) provenant d'un puits géothermique; un récepteur (2) destiné à recevoir la première sortie d'alimentation (E1) et une seconde sortie d'alimentation (E2) générée par au moins une source d'énergie intermittente supplémentaire (ES2) choisie parmi une source photovoltaïque solaire, une source d'énergie éolienne, une source d'électrification au biogaz ou une autre source d'énergie renouvelable conçue pour produire de l'électricité par intermittence. Le système d'énergie comprend également : un système de commande d'électricité (3) commandant et distribuant la première sortie d'alimentation (E1) et la seconde sortie d'alimentation (E2) par l'intermédiaire du récepteur (2) à l'extérieur d'un réseau électrique; au moins un système de régulation de flux (4) conçu pour distribuer le flux d'un milieu géothermique chauffé par la chaleur géothermique (HS) dans le puits géothermique; et un dispositif de commande (5). Le dispositif de commande (5) est configuré pour diriger le système de régulation de flux (4) de façon à réguler le milieu géothermique de manière i) à être distribué du puits géothermique à un premier système de stockage thermique (6) lorsqu'une seconde sortie d'alimentation (E2) est reçue, et ii) à être distribué à partir du premier système de stockage thermique (6), en vue d'une utilisation en tant qu'entrée de chaleur (HSentrée), au module de puissance thermique (1) principalement lorsqu'une seconde sortie d'alimentation (E2) n'est pas reçue. L'invention concerne également un procédé permettant de stocker de l'énergie électrique sous forme d'énergie thermique et de produire une sortie d'alimentation au moyen de l'énergie thermique.
PCT/SE2020/050054 2019-01-23 2020-01-23 Procédé et système permettant de stocker de l'énergie électrique sous forme de chaleur et de produire une sortie d'alimentation au moyen de ladite chaleur WO2020153896A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1950081-8 2019-01-23
SE1950081A SE1950081A1 (en) 2019-01-23 2019-01-23 Method and system for storing electrical energy in the form of heat and producing a power output using said heat

Publications (1)

Publication Number Publication Date
WO2020153896A1 true WO2020153896A1 (fr) 2020-07-30

Family

ID=69467657

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2020/050054 WO2020153896A1 (fr) 2019-01-23 2020-01-23 Procédé et système permettant de stocker de l'énergie électrique sous forme de chaleur et de produire une sortie d'alimentation au moyen de ladite chaleur

Country Status (2)

Country Link
SE (1) SE1950081A1 (fr)
WO (1) WO2020153896A1 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112033032A (zh) * 2020-09-01 2020-12-04 崔展 一种基于地表水体的浅层地热能利用的输送装置
CN113381443A (zh) * 2021-05-24 2021-09-10 中国能源建设集团山西省电力勘测设计院有限公司 一种新能源发电电网负荷波动补偿系统的工作方法
CN114513018A (zh) * 2022-04-19 2022-05-17 中国科学院电工研究所 可再生能源发电厂的输出功率调节系统
US11480074B1 (en) 2021-04-02 2022-10-25 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11486370B2 (en) 2021-04-02 2022-11-01 Ice Thermal Harvesting, Llc Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations
US11486330B2 (en) 2021-04-02 2022-11-01 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11493029B2 (en) 2021-04-02 2022-11-08 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
WO2022267663A1 (fr) * 2021-06-21 2022-12-29 西安热工研究院有限公司 Procédé de calcul de réserve de sel fondu pour la régulation de pic profond d'une unité de génération d'énergie thermique assistée par stockage de chaleur à sel fondu
US11578706B2 (en) 2021-04-02 2023-02-14 Ice Thermal Harvesting, Llc Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature
US11592009B2 (en) 2021-04-02 2023-02-28 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11644014B2 (en) 2021-04-02 2023-05-09 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power in an organic Rankine cycle operation
US11644015B2 (en) 2021-04-02 2023-05-09 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11959466B2 (en) 2022-07-01 2024-04-16 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power in an organic Rankine cycle operation

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757516A (en) 1971-09-14 1973-09-11 Magma Energy Inc Geothermal energy system
US7178337B2 (en) 2004-12-23 2007-02-20 Tassilo Pflanz Power plant system for utilizing the heat energy of geothermal reservoirs
US7566980B2 (en) 2006-12-22 2009-07-28 Genedics Clean Energy, Llc System and method for creating a geothermal roadway utility with alternative energy pumping system
WO2011091072A2 (fr) * 2010-01-19 2011-07-28 Zeropoint Clean Tech, Inc. Production simultanée d'énergie électrique et d'eau potable
US8005640B2 (en) 2009-12-18 2011-08-23 Indie Energy Systems Co., LLC Thermal response geothermal testing unit
WO2012128715A1 (fr) 2011-03-22 2012-09-27 Climeon Ab Procédé permettant de convertir une chaleur à basse température en électricité et refroidissement et son système
WO2014042580A1 (fr) 2012-09-12 2014-03-20 Climeon Ab Procédé d'amélioration des performances de cycles thermodynamiques
WO2014117040A1 (fr) * 2013-01-24 2014-07-31 Hinders Edward Système de génération de turbine à gaz et à vapeur à cycle de brayton/rankine combiné utilisé en deux boucles fermées
US20140260246A1 (en) 2009-11-19 2014-09-18 Ormat Technologies Inc. Dispatchable power plant and method for using the same
WO2015034418A1 (fr) 2013-09-04 2015-03-12 Climeon Ab Génération d'énergie à partir de chaleur perdue à l'aide d'un cycle thermodynamique de support de carbone
WO2015112075A1 (fr) 2014-01-22 2015-07-30 Climeon Ab Cycle thermodynamique amélioré fonctionnant à basse pression à l'aide d'une turbine radiale
WO2015136351A2 (fr) * 2014-03-12 2015-09-17 Ormat Technologies Inc. Centrale électrique pouvant être répartie et son procédé d'utilisation
WO2015152796A1 (fr) 2014-04-04 2015-10-08 Climeon Ab Élimination de gaz non condensables à partir d'un processus en boucle fermée
US9331547B2 (en) 2012-09-13 2016-05-03 Ormat Technologies Inc. Hybrid geothermal power plant
WO2016068778A1 (fr) 2014-10-29 2016-05-06 Climeon Ab Procédé de mise en contact d'une composition de gaz avec une composition liquide
WO2017065683A1 (fr) 2015-10-16 2017-04-20 Climeon Ab Procédés pour stocker et récupérer de l'énergie
WO2018102265A1 (fr) 2016-11-29 2018-06-07 COMBINED POWER LLC, dba HYPERLIGHT ENERGY Systèmes et procédés de stockage d'énergie à partir de ressources géothermiques et solaires

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757516A (en) 1971-09-14 1973-09-11 Magma Energy Inc Geothermal energy system
US7178337B2 (en) 2004-12-23 2007-02-20 Tassilo Pflanz Power plant system for utilizing the heat energy of geothermal reservoirs
US7566980B2 (en) 2006-12-22 2009-07-28 Genedics Clean Energy, Llc System and method for creating a geothermal roadway utility with alternative energy pumping system
US20140260246A1 (en) 2009-11-19 2014-09-18 Ormat Technologies Inc. Dispatchable power plant and method for using the same
US8005640B2 (en) 2009-12-18 2011-08-23 Indie Energy Systems Co., LLC Thermal response geothermal testing unit
WO2011091072A2 (fr) * 2010-01-19 2011-07-28 Zeropoint Clean Tech, Inc. Production simultanée d'énergie électrique et d'eau potable
WO2012128715A1 (fr) 2011-03-22 2012-09-27 Climeon Ab Procédé permettant de convertir une chaleur à basse température en électricité et refroidissement et son système
WO2014042580A1 (fr) 2012-09-12 2014-03-20 Climeon Ab Procédé d'amélioration des performances de cycles thermodynamiques
US9331547B2 (en) 2012-09-13 2016-05-03 Ormat Technologies Inc. Hybrid geothermal power plant
WO2014117040A1 (fr) * 2013-01-24 2014-07-31 Hinders Edward Système de génération de turbine à gaz et à vapeur à cycle de brayton/rankine combiné utilisé en deux boucles fermées
WO2015034418A1 (fr) 2013-09-04 2015-03-12 Climeon Ab Génération d'énergie à partir de chaleur perdue à l'aide d'un cycle thermodynamique de support de carbone
WO2015112075A1 (fr) 2014-01-22 2015-07-30 Climeon Ab Cycle thermodynamique amélioré fonctionnant à basse pression à l'aide d'une turbine radiale
WO2015136351A2 (fr) * 2014-03-12 2015-09-17 Ormat Technologies Inc. Centrale électrique pouvant être répartie et son procédé d'utilisation
WO2015152796A1 (fr) 2014-04-04 2015-10-08 Climeon Ab Élimination de gaz non condensables à partir d'un processus en boucle fermée
WO2016068778A1 (fr) 2014-10-29 2016-05-06 Climeon Ab Procédé de mise en contact d'une composition de gaz avec une composition liquide
WO2017065683A1 (fr) 2015-10-16 2017-04-20 Climeon Ab Procédés pour stocker et récupérer de l'énergie
WO2018102265A1 (fr) 2016-11-29 2018-06-07 COMBINED POWER LLC, dba HYPERLIGHT ENERGY Systèmes et procédés de stockage d'énergie à partir de ressources géothermiques et solaires

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112033032A (zh) * 2020-09-01 2020-12-04 崔展 一种基于地表水体的浅层地热能利用的输送装置
US11598320B2 (en) 2021-04-02 2023-03-07 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11486370B2 (en) 2021-04-02 2022-11-01 Ice Thermal Harvesting, Llc Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations
US11624355B2 (en) 2021-04-02 2023-04-11 Ice Thermal Harvesting, Llc Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations
US11480074B1 (en) 2021-04-02 2022-10-25 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11644014B2 (en) 2021-04-02 2023-05-09 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power in an organic Rankine cycle operation
US11486330B2 (en) 2021-04-02 2022-11-01 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11493029B2 (en) 2021-04-02 2022-11-08 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11946459B2 (en) 2021-04-02 2024-04-02 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11542888B2 (en) 2021-04-02 2023-01-03 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11549402B2 (en) 2021-04-02 2023-01-10 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11572849B1 (en) 2021-04-02 2023-02-07 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11644015B2 (en) 2021-04-02 2023-05-09 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11592009B2 (en) 2021-04-02 2023-02-28 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11933280B2 (en) 2021-04-02 2024-03-19 Ice Thermal Harvesting, Llc Modular mobile heat generation unit for generation of geothermal power in organic Rankine cycle operations
US11933279B2 (en) 2021-04-02 2024-03-19 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11905934B2 (en) 2021-04-02 2024-02-20 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power at a drilling rig
US11578706B2 (en) 2021-04-02 2023-02-14 Ice Thermal Harvesting, Llc Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature
US11668209B2 (en) 2021-04-02 2023-06-06 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11680541B2 (en) 2021-04-02 2023-06-20 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11732697B2 (en) 2021-04-02 2023-08-22 Ice Thermal Harvesting, Llc Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature
US11761353B2 (en) 2021-04-02 2023-09-19 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11761433B2 (en) 2021-04-02 2023-09-19 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power in an organic Rankine cycle operation
US11773805B2 (en) 2021-04-02 2023-10-03 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
US11879409B2 (en) 2021-04-02 2024-01-23 Ice Thermal Harvesting, Llc Systems and methods utilizing gas temperature as a power source
CN113381443A (zh) * 2021-05-24 2021-09-10 中国能源建设集团山西省电力勘测设计院有限公司 一种新能源发电电网负荷波动补偿系统的工作方法
WO2022267663A1 (fr) * 2021-06-21 2022-12-29 西安热工研究院有限公司 Procédé de calcul de réserve de sel fondu pour la régulation de pic profond d'une unité de génération d'énergie thermique assistée par stockage de chaleur à sel fondu
CN114513018A (zh) * 2022-04-19 2022-05-17 中国科学院电工研究所 可再生能源发电厂的输出功率调节系统
CN114513018B (zh) * 2022-04-19 2022-07-08 中国科学院电工研究所 可再生能源发电厂的输出功率灵活性调节系统
US11959466B2 (en) 2022-07-01 2024-04-16 Ice Thermal Harvesting, Llc Systems and methods for generation of electrical power in an organic Rankine cycle operation

Also Published As

Publication number Publication date
SE1950081A1 (en) 2020-07-24

Similar Documents

Publication Publication Date Title
WO2020153896A1 (fr) Procédé et système permettant de stocker de l'énergie électrique sous forme de chaleur et de produire une sortie d'alimentation au moyen de ladite chaleur
US20140366536A1 (en) High temperature thermal energy for grid storage and concentrated solar plant enhancement
US20200006942A1 (en) Water Production Employing a Hydrogen Cycle
US9541070B2 (en) Plant for energy production
AU2020264298B2 (en) Combined energy network
US7178337B2 (en) Power plant system for utilizing the heat energy of geothermal reservoirs
US20080022683A1 (en) Storing Thermal Energy and Generating Electricity
EP3063815B1 (fr) Système de production d'énergie
JP2016503477A (ja) 監視、分析、制御用統合自動システムを用いて加熱、冷却、発電、エネルギー貯蔵を提供する冷却、熱、電力併給ハイブリッドトリジェネレーションシステムマイクログリッド
CN104813131A (zh) 包括组合的加热和冷却机的热能储存系统及使用该热能储存系统的方法
US20140053554A1 (en) Power generation system having thermal energy storage
US20150295508A1 (en) Power Management, Phase Balancing, and Energy Storage Method
Zhao et al. The feasibility survey of an autonomous renewable seawater reverse osmosis system with underwater compressed air energy storage
CN104047818B (zh) 太阳能光热发电系统及储能方法
JP6037786B2 (ja) 熱電供給システム
US20200343833A1 (en) Energy storage system
US20140368045A1 (en) Power Management and Energy Storage Method
Hauer et al. Energy storage technologies–characteristics, comparison, and synergies
AU2017200725A1 (en) Variable Speed Gas Turbine Generation System and Method
Ma et al. Thermal Energy Storage Using Solid Particles for Long-Duration Energy Storage
CN203925901U (zh) 太阳能光热发电系统
CN212838198U (zh) 一种热熔盐蓄热的海洋温差能-太阳能联合氢能生产系统
CN103423109B (zh) 一种利用太阳能和地热能的联合发电装置
CN111677639A (zh) 一种热熔盐蓄热的海洋温差能-太阳能联合氢能生产系统
US20240044264A1 (en) Electrolyzer heating system for integrated power plants

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20703563

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20703563

Country of ref document: EP

Kind code of ref document: A1