CN114792987A - Virtual power plant system and method based on solid particle energy storage and carbon dioxide power generation - Google Patents
Virtual power plant system and method based on solid particle energy storage and carbon dioxide power generation Download PDFInfo
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- CN114792987A CN114792987A CN202210205207.7A CN202210205207A CN114792987A CN 114792987 A CN114792987 A CN 114792987A CN 202210205207 A CN202210205207 A CN 202210205207A CN 114792987 A CN114792987 A CN 114792987A
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- 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
- H02J3/381—Dispersed generators
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- 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
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- 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
Abstract
The invention discloses a virtual power plant system and a method based on solid particle energy storage and carbon dioxide power generation, wherein the system comprises an electric heating module, a solid particle energy storage module, a heat exchange module and a carbon dioxide generator set, the system takes solid particle energy storage as a core, and can convert energy into internal energy of solid particles for temporary storage by integrating each module and receiving energy in forms of distributed power supply, electric automobile, electric network electricity abandonment, thermal power plant heat abandonment and the like when electric quantity of an electric network is excessive; during the power utilization peak period of the power grid, the internal energy of the solid particles is converted into electric energy through the carbon dioxide turbine and transmitted to the power grid through the heat exchange module and the supercritical carbon dioxide turbine. The system is not provided with an additional fuel system, has the attribute of a virtual power plant, can reduce the impact of a distributed power supply and new energy grid connection on a power grid, and improves the stability and reliability of the power grid.
Description
Technical Field
The invention belongs to the technical field of energy storage, and particularly relates to a virtual power plant system and a virtual power plant method based on solid particle energy storage and carbon dioxide power generation.
Background
With the increasing installation of new energy sources such as wind energy, photovoltaic energy and the like and the connection of distributed power sources and the like to a power grid in recent years, severe impact is brought to the safety and reliability of the power grid, and the contradiction between power generation and power utilization is further increased. Under the background, a certain amount of energy storage systems are configured for the power grid, so that the effect of stabilizing the power load output can be achieved. The existing mature large-scale energy storage technology mainly comprises pumped storage, electrochemical energy storage, fused salt energy storage and the like, wherein the pumped storage cannot be constructed on a large scale in northwest regions of China due to the limitation of construction conditions and construction periods, the electrochemical energy storage is temporarily difficult to meet the requirement of large-scale construction due to the limitation of the service life, cost and safety of a battery, and the fused salt energy storage has great advantages in safety and service life and is expected to become the main force of the future energy storage field, but the existing mature large-scale fused salt energy storage technology has two obvious defects, namely, the fused salt is in an electricity-heat-electricity conversion form, namely, firstly, received electric energy is converted into the heat energy of the fused salt, and is converted into electric energy to be transmitted to a power grid through a steam turbine when required, and is limited by the Carnot-heat conversion, and the cycle efficiency is not high and is generally lower than 40%; in addition, the utilization temperature interval of the molten salt is limited, the temperature is solidified when the temperature is lower than 240 ℃, a large amount of heat energy is consumed to maintain the temperature when the temperature is not operated for a long time, and the temperature is decomposed when the temperature is higher than 580 ℃, so that the efficiency of a thermoelectric conversion link is limited. Therefore, it is an urgent problem to search for a more efficient energy storage system to achieve reliable, efficient, and adaptable power supply.
Disclosure of Invention
The invention aims to solve the problems of poor adaptability and low efficiency in the prior art, and provides a virtual power plant system and a method based on solid particle energy storage and carbon dioxide power generation.
In order to achieve the purpose, the invention adopts the following technical scheme: virtual power plant system based on solid particle energy storage and carbon dioxide electricity generation, including electrical heating module, solid particle energy storage module, heat transfer module and carbon dioxide generating set, wherein: the electric heating module is connected with the solid particle energy storage module through a pipeline, the solid particle energy storage module is connected with the heat exchange module through a pipeline, the heat exchange module is connected with the carbon dioxide generator set through a pipeline, and the carbon dioxide generator set is connected with the existing power grid through a cable; the electric heating module is also connected with an external distributed power supply, an electric automobile, a peripheral photovoltaic power station and a wind power station through cables, and the solid particle energy storage module is also connected with the existing thermal power generating unit through a pipeline; the solid particle energy storage module comprises a plurality of low-temperature solid particle storage tanks, a plurality of high-temperature solid particle storage tanks, a plurality of low-temperature solid particle pumps and high-temperature solid particle pumps, the low-temperature solid particle pumps are connected with the low-temperature solid particle storage tanks and the electric heating module, the low-temperature solid particle pumps are used for pumping the low-temperature solid particles to the electric heating module, the high-temperature solid particle pumps are connected with the heat exchange module and the high-temperature solid particle storage tanks, and the high-temperature solid particle pumps are used for pumping the high-temperature solid particles to the heat exchange module.
The electric heating module comprises a plurality of electric heaters which are connected in series or in parallel and used for heating solid particles entering the solid particle energy storage module to realize conversion of electric energy into internal energy of the solid particles.
The heat exchange module comprises a plurality of solid particle-carbon dioxide heat exchangers connected in series, the hot side of each heat exchanger is connected with the high-temperature solid particle storage tank and the low-temperature solid particle storage tank, the cold side of each heat exchanger is connected with the carbon dioxide generator set, the high-temperature solid particles exchange heat with the carbon dioxide medium to generate the high-temperature carbon dioxide medium, the high-temperature carbon dioxide medium enters the carbon dioxide generator set to generate power, the carbon dioxide generator set is internally provided with a heat regeneration system, and the heat regeneration system is connected with the cold side of the heat exchange module.
The distributed power supply is an independent power supply with power below 50 MW.
The existing thermal power generating unit is a pure condensation or heat supply unit with 300MW, 600MW or 1000MW grade.
The solid particle medium is one or any combination of quartz sand, silica sand, silicon carbide, silicon nitride, aluminum oxide, magnesium oxide, zirconium oxide, calcium oxide, olivine and ceramic or a material obtained by performing surface coating modification, heat treatment modification and metal doping modification on the material serving as a base material.
The carbon dioxide generator set comprises a carbon dioxide turbine, a heat regenerator, a cooler and a compressor which are connected in sequence, and the outlet of the compressor is connected with the heat regenerator.
The operation method of the virtual power plant system based on solid particle energy storage and carbon dioxide power generation comprises the steps of transmitting surplus electric quantity to an electric heating module when a distributed power supply has the surplus electric quantity, transmitting the surplus electric quantity to the electric heating module in a reverse charging mode when an electric automobile has the surplus electric quantity, and transmitting the electric quantity to be discarded to the electric heating module when a photovoltaic power station and a wind power station have abandoned light and abandoned wind electric quantity; the electric heating module is used for sending low-temperature solid particles to the electric heater to absorb heat according to the distributed power supply, the electric automobile and the abandoned light abandoned wind power quantity, and meanwhile, the solid particle energy storage module is used for starting the low-temperature solid particle pump to send the low-temperature solid particles to the electric heater to be changed into high-temperature solid particles to return to the high-temperature solid particle storage tank;
when the existing thermal power generating unit needs to adjust peak downwards and has surplus steam, transferring steam heat energy to solid particles through heat exchange and returning the solid particles to a high-temperature solid particle storage tank;
when the load of the power grid needs to be increased, the heat exchange module is started, meanwhile, the solid particle energy storage module starts the high-temperature solid particle pump to send high-temperature solid particles to the heat exchange module, and the high-temperature solid particles transfer heat energy to a carbon dioxide medium and then become low-temperature solid particles to return to the low-temperature solid particle storage tank; and starting a carbon dioxide generator set, and utilizing supercritical carbon dioxide to drive a turbine to generate power so as to meet the power demand of a power grid.
Compared with the prior art, has four outstanding advantages:
the system is not provided with an additional fuel system, has the attribute of a virtual power plant, can reduce the impact of the distributed power supply and new energy grid connection on a power grid through reasonable control, and improves the stability and reliability of the power grid;
the system adopts the solid particles as the energy storage medium, the physical properties of the solid particles are stable, high-temperature heat storage can be realized, and the rear-end power generation efficiency is greatly improved;
compared with the traditional steam turbine set, the system has high cycle efficiency, small floor area and strong adaptability to sites;
when the power load peak of the system is in the power consumption peak, the system can additionally provide power output for the power grid, and the peak capacity of the power grid in the power consumption peak is increased.
Drawings
FIG. 1 is a schematic diagram of a virtual power plant system based on solid particle energy storage and carbon dioxide power generation according to the present invention.
Fig. 2 shows a possible arrangement of the heat exchange module according to the present invention.
Fig. 3 shows a possible arrangement of the supercritical carbon dioxide power generation module according to the present invention.
Reference numbers in the figures: 1-an electric heating module; 2-a solid particle energy storage module; 3-a heat exchange module; 4-a carbon dioxide generator set; 5-the power grid; 6-distributed power supply; 7-an electric vehicle; 8-photovoltaic/wind power plants; 9-existing thermal power generating units; 21-a cryogenic solids storage tank; 22-a high-temperature solid particle storage tank; 31-solid particle-carbon dioxide heat exchanger, 41-carbon dioxide turbine, 42-heat regenerator, 43-cooler, 44-compressor.
Detailed Description
The invention provides a virtual power plant system based on solid particle energy storage and carbon dioxide power generation, and the invention is further explained by combining a specific embodiment.
The solid particle energy storage is taken as a core, and the integrated electric heating module, the solid particle energy storage module, the heat exchange module and the power generation module can convert energy into internal energy of solid particles for temporary storage by receiving energy in forms of distributed power supplies, electric automobiles, power grid electricity abandonment, heat power plant heat abandonment and the like when the electric quantity of a power grid is excessive; during the power utilization peak period of the power grid, the internal energy of the solid particles is converted into electric energy through the carbon dioxide turbine and transmitted to the power grid through the heat exchange module and the supercritical carbon dioxide turbine.
Fig. 1 is a schematic diagram of a virtual power plant system based on solid particle energy storage and carbon dioxide power generation, the system includes an electrical heating module 1, a solid particle energy storage module 2, a heat exchange module 3 and a carbon dioxide power generation unit 4, wherein the electrical heating module 1 is connected to the solid particle energy storage module 2 through a pipeline, the solid particle energy storage module 2 is connected to the heat exchange module 3 through a pipeline, the heat exchange module 3 is connected to the carbon dioxide power generation unit 4 through a pipeline, and the carbon dioxide power generation unit 4 is connected to an existing power grid 5 through a cable; the electric heating module 1 is further connected with an external distributed power source 6, an electric automobile 7, a peripheral photovoltaic power station and a wind power station 8 through cables, and the solid particle energy storage module 2 is further connected with an existing thermal power generating unit 9 through a pipeline.
The electric heating module 1 comprises a plurality of electric heaters connected in series or in parallel and is used for heating the solid particles entering the solid particle energy storage module 2 to realize the conversion of electric energy into internal energy of the solid particles.
The heat exchange module 3 comprises a plurality of solid particle-carbon dioxide heat exchangers 31, the hot side of the heat exchanger is connected with a high-temperature solid particle storage tank and a low-temperature solid particle storage tank, and the cold side of the heat exchanger is connected with a carbon dioxide generator set, fig. 2 is a feasible heat exchange module setting mode, the high-temperature solid particles exchange heat with a carbon dioxide medium to generate high-temperature carbon dioxide, the high-temperature carbon dioxide enters the carbon dioxide generator set to generate power, a heat regeneration system is arranged in the carbon dioxide generator set, and the heat regeneration system is connected with the cold side of the heat exchange module. Fig. 3 is a possible arrangement manner of the supercritical carbon dioxide power generation module, in which a high-temperature carbon dioxide medium enters a carbon dioxide turbine 41 to do work, then sequentially passes through a heat regenerator 42 and a cooler 43, is cooled, enters a compressor 44 to increase pressure, and then returns to the heat exchange module 3 to continuously absorb heat after being heated by the heat regenerator 42. The compressor 44 may be implemented as a multi-stage compressor train with a heat exchanger disposed between the compressors to absorb heat from the compressed medium.
The distributed power supply is an independent power supply with power below 50MW, the application range of the independent power supply with power below 50MW is wide, and the scheduling is more flexible.
The system can adapt to thermal power generating units of various capacity levels and can also be suitable for heat supply units, and the existing thermal power generating unit 9 can be a 300MW, 600MW or 1000MW grade pure condensation or heat supply unit.
The solid particle medium is one or any combination of quartz sand, silica sand, silicon carbide, silicon nitride, alumina, magnesia, zirconia, calcium oxide, olivine and ceramic or a material obtained by performing surface coating modification, heat treatment modification and metal doping modification on the material serving as a base material.
The electric heating module 1 comprises a plurality of electric heaters which are connected in series or in parallel, electric energy is converted into heat energy of solid particles by heating and warming the solid particles entering the module, and the electric quantity of the distributed power supply 6, the reverse charging electric quantity of the electric automobile 7, the peripheral photovoltaic and the abandoned light and abandoned wind electric quantity of the wind power station 8 can be received; the solid particle energy storage module 2 comprises a plurality of low-temperature solid particle storage tanks, a plurality of high-temperature solid particle storage tanks, a plurality of low-temperature solid particle pumps and a plurality of high-temperature solid particle pumps, the solid particles can be pumped to the electric heating module through the low-temperature solid particle pumps, the high-temperature solid particles can be pumped to the heat exchange module through the high-temperature solid particle pumps, and the plurality of low-temperature and high-temperature solid particle storage tanks can realize the storage and the cyclic utilization of the solid particles at different temperatures;
the heat exchange module 3 comprises a plurality of solid particle-carbon dioxide heat exchangers 31 which are connected in series, the hot side of the heat exchanger module is connected with a high-temperature solid particle storage tank and a low-temperature solid particle storage tank, the cold side of the heat exchanger module is connected with a carbon dioxide generator set, the high-temperature solid particles exchange heat with feed water to generate high-temperature steam which enters the carbon dioxide generator set to generate power, the heat regeneration system is connected with the cold side of the heat exchange module, and the high-temperature solid particles exchange heat with carbon dioxide to generate high-temperature carbon dioxide which enters the carbon dioxide generator set; the carbon dioxide generator set 4 comprises a turbine and a heat regeneration system thereof, a generator and an auxiliary system, the turbine is driven to rotate by high-temperature carbon dioxide, and the generator generates electricity.
The invention discloses a virtual power plant system operation method based on solid particle energy storage, which comprises the following steps:
when the distributed power supply has surplus electric quantity, the surplus electric quantity is transmitted to the electric heating module, and the low-temperature solid particles are heated to high-temperature solid particles through the electric heater; when the electric automobile has surplus electric quantity, the surplus electric quantity is transmitted to the electric heating module in a reverse charging mode, and the low-temperature solid particles are heated to high-temperature solid particles through the electric heater; when the photovoltaic and wind power station has abandoned light and abandoned wind electric quantity, the electric quantity to be abandoned is transmitted to the electric heating module, and the low-temperature solid particles are heated to high-temperature solid particles through the electric heater;
the electric heating module starts the electric heater according to the electric quantity conditions of the distributed power supply, the electric automobile and the abandoned light and abandoned wind, and simultaneously the solid particle energy storage module starts the low-temperature solid particle pump to send the low-temperature solid particles to the electric heater for absorbing heat, so that the low-temperature solid particles are changed into high-temperature solid particles and returned to the high-temperature solid particle storage tank;
when the existing power generation organic group needs to adjust peak downwards and has surplus steam, transferring steam heat energy to solid particles through heat exchange, and returning the solid particles to the high-temperature solid particle storage tank;
the energy from different sources is converted into the heat energy of the solid particles through an electric heater or a heat exchanger and stored in the high-temperature solid particles;
when the load of the power grid needs to be increased, starting a heat exchanger in the heat exchange module, starting a high-temperature solid particle pump by the solid particle energy storage module to send high-temperature solid particles to the heat exchange module, and transferring heat energy of the high-temperature solid particles to a carbon dioxide medium through the plurality of heat exchangers to form low-temperature solid particles and returning the low-temperature solid particles to the low-temperature solid particle storage tank;
and starting the carbon dioxide generator set, and pushing the carbon dioxide turbine to generate power by using the supercritical carbon dioxide to meet the power demand of the power grid.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. Virtual power plant system based on solid particle energy storage and carbon dioxide electricity generation, its characterized in that, including electrical heating module (1), solid particle energy storage module (2), heat transfer module (3) and carbon dioxide generating set (4), wherein: the electric heating module (1) is connected with the solid particle energy storage module (2) through a pipeline, the solid particle energy storage module (2) is connected with the heat exchange module (3) through a pipeline, the heat exchange module (3) is connected with the carbon dioxide generator set (4) through a pipeline, and the carbon dioxide generator set (4) is connected with the existing power grid (5) through a cable; the electric heating module (1) is also connected with an external distributed power supply (6), an electric automobile (7), a peripheral photovoltaic power station and a wind power station (8) through cables, and the solid particle energy storage module (2) is also connected with an existing thermal power generating unit (9) through a pipeline; the solid particle energy storage module comprises a plurality of low-temperature solid particle storage tanks (21), a plurality of high-temperature solid particle storage tanks (22), a plurality of low-temperature solid particle pumps and high-temperature solid particle pumps, the low-temperature solid particle storage tanks (21) and the electric heating module (1) are connected to the low-temperature solid particle pumps, the low-temperature solid particle pumps are used for pumping the low-temperature solid particles to the electric heating module (1), the high-temperature solid particle pumps are connected with the heat exchange module (3) and the high-temperature solid particle storage tanks (22), and the high-temperature solid particle pumps are used for pumping the high-temperature solid particles to the heat exchange module (3).
2. The virtual power plant system based on solid particle energy storage and carbon dioxide power generation as claimed in claim 1, wherein the electric heating module (1) comprises a plurality of electric heaters connected in series or in parallel, and is used for heating the solid particles entering the solid particle energy storage module (2) to raise the temperature so as to convert electric energy into internal energy of the solid particles.
3. The virtual power plant system based on solid particle energy storage and carbon dioxide power generation of claim 1, wherein the heat exchange module (3) comprises a plurality of solid particle-carbon dioxide heat exchangers (31) connected in series, the hot side of the heat exchanger is connected with a high-temperature solid particle storage tank and a low-temperature solid particle storage tank, the cold side of the heat exchanger is connected with a carbon dioxide power generator set, the high-temperature solid particles exchange heat with a carbon dioxide medium to generate a high-temperature carbon dioxide medium, the carbon dioxide power generator set is provided with a heat regeneration system, and the heat regeneration system is connected with the cold side of the heat exchange module.
4. The virtual power plant system for solid particle energy storage and carbon dioxide power generation based on claim 1, wherein the distributed power source (6) is an independent power source with a power below 50 MW.
5. The virtual power plant system based on solid particle energy storage and carbon dioxide power generation of claim 1, wherein the existing thermal power generating unit (9) is a 300MW, 600MW or 1000MW grade straight condensing or heat supplying unit.
6. The virtual power plant system based on solid particle energy storage and carbon dioxide power generation of claim 1, wherein the solid particle medium is one of quartz sand, silica sand, silicon carbide, silicon nitride, aluminum oxide, magnesium oxide, zirconium oxide, calcium oxide, olivine, and ceramic, or any combination thereof, or a material obtained by performing surface coating modification, heat treatment modification, and metal doping modification on the above materials.
7. The virtual power plant system based on solid particle energy storage and carbon dioxide power generation of claim 1, characterized in that the carbon dioxide power generator set (4) comprises a carbon dioxide turbine (41), a regenerator (42), a cooler (43) and a compressor (44) which are connected in sequence, and an outlet of the compressor (44) is connected with the regenerator (42).
8. The operation method of the virtual power plant system based on solid particle energy storage and carbon dioxide power generation as claimed in any one of claims 1-7, characterized in that the surplus power is transferred to the electric heating module (1) when the distributed power supply (6) has surplus power, the surplus power is transferred to the electric heating module (1) in a reverse charging mode when the electric vehicle (7) has surplus power, and the power which needs to be abandoned is transferred to the electric heating module when the photovoltaic and wind power station (8) has abandoned light and abandoned wind power; the electric heating module is used for sending low-temperature solid particles to the electric heater to absorb heat according to the distributed power supply, the electric automobile and the abandoned light abandoned wind power quantity, and meanwhile, the solid particle energy storage module is used for starting the low-temperature solid particle pump to send the low-temperature solid particles to the electric heater to be changed into high-temperature solid particles to return to the high-temperature solid particle storage tank;
when the existing thermal power generating unit (9) needs to carry out downward peak shaving and has surplus steam, transferring steam heat energy to solid particles through heat exchange and returning the solid particles to a high-temperature solid particle storage tank;
when the load of a power grid needs to be increased, starting the heat exchange module (3), starting the high-temperature solid particle pump by the solid particle energy storage module (2) to send high-temperature solid particles to the heat exchange module (3), and changing the high-temperature solid particles into low-temperature solid particles to return to the low-temperature solid particle storage tank after the high-temperature solid particles transfer heat energy to a carbon dioxide medium; and starting a carbon dioxide generator set (4), and utilizing the supercritical carbon dioxide to drive a turbine to generate electricity so as to meet the power demand of a power grid.
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| CN202210205207.7A CN114792987A (en) | 2022-03-02 | 2022-03-02 | Virtual power plant system and method based on solid particle energy storage and carbon dioxide power generation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115117904A (en) * | 2022-08-29 | 2022-09-27 | 中国能源建设集团山西省电力勘测设计院有限公司 | Energy storage and discharge method for peak shaving operation of cogeneration unit |
| CN115507412A (en) * | 2022-11-21 | 2022-12-23 | 杭州圣钘能源有限公司 | Heat supply system |
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2022
- 2022-03-02 CN CN202210205207.7A patent/CN114792987A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115117904A (en) * | 2022-08-29 | 2022-09-27 | 中国能源建设集团山西省电力勘测设计院有限公司 | Energy storage and discharge method for peak shaving operation of cogeneration unit |
| CN115507412A (en) * | 2022-11-21 | 2022-12-23 | 杭州圣钘能源有限公司 | Heat supply system |
| CN115507412B (en) * | 2022-11-21 | 2023-03-14 | 杭州圣钘能源有限公司 | Heat supply system |
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