CN215646378U - Cloud energy storage system suitable for power generation industry - Google Patents
Cloud energy storage system suitable for power generation industry Download PDFInfo
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- CN215646378U CN215646378U CN202121392250.6U CN202121392250U CN215646378U CN 215646378 U CN215646378 U CN 215646378U CN 202121392250 U CN202121392250 U CN 202121392250U CN 215646378 U CN215646378 U CN 215646378U
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Abstract
A cloud energy storage system suitable for the power generation industry comprises a power utilization system, a power generation system, a cloud energy storage service provider, an energy storage device and a dispatching center; the power utilization system, the power generation system, the dispatching center, the energy storage device and the cloud energy storage service provider are connected with one another through a power grid. According to the utility model, the cloud energy storage service provider is arranged, so that the safe operation guarantee can be improved, the unattended operation of each energy storage system is realized, and the labor cost is reduced. The power generation system can use resources in the cloud energy storage system at any time, any place and according to needs, and energy storage cost can be obviously reduced.
Description
Technical Field
The utility model relates to a cloud energy storage system suitable for the power generation industry, and belongs to the field of power grid energy storage technology application.
Background
With the continuous improvement of the installed capacity of new energy, the problem of insufficient peak regulation capacity of electric power is more prominent, coal power becomes the 'main force' of deep peak regulation, and the new energy consumption is assisted. After the new energy is connected into a power grid in a high proportion, the conventional power supply not only needs to follow the power grid, but also needs to balance the output fluctuation of the new energy, the power utilization peak and the valley are obvious, the wind power output presents randomness and fluctuation, the prediction difficulty is high, and the power grid balance difficulty is greatly increased after the new energy is connected into the power grid in a large scale.
The rapid development of intermittent renewable energy sources such as wind power and solar power generation increases the demand of a power system on energy storage, and an intermediate energy storage device is lacked between power generation and power utilization, but the cost of the existing energy storage equipment is still high, and a user can face the problems of high initial investment and high overhaul and maintenance cost when using a local entity energy storage device.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model aims to provide a cloud energy storage system suitable for the power generation industry.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a cloud energy storage system suitable for the power generation industry comprises a power utilization system, a power generation system, a cloud energy storage service provider, an energy storage device and a dispatching center;
the power utilization system, the power generation system, the dispatching center, the energy storage device and the cloud energy storage service provider are connected with one another through a power grid.
A further improvement of the utility model is that the power generation system comprises a wind power plant, a coal fired power plant, a biomass power plant, a hydroelectric power plant, a nuclear power plant and a photovoltaic power plant.
The utility model is further improved in that wind power plants, coal-fired power plants, biomass power plants, hydroelectric power plants, nuclear power plants and photovoltaic power plants are interconnected by means of an electrical network, merging into the national or regional electrical network.
The utility model is further improved in that the energy storage device sucks or discharges electric energy to the power grid when the wind power plant, the coal-fired power plant, the biomass power plant, the hydroelectric power plant, the nuclear power plant or the photovoltaic power plant charges or discharges energy storage resources.
The cloud energy storage service provider is further improved in that the cloud energy storage service provider comprises a communication module, a database module, a load and electricity price prediction module and a user behavior analysis module; the load and electricity price prediction module and the user behavior analysis module are connected with the database module, the database module is connected with the communication module, and the communication module is connected with the energy storage device.
A further development of the utility model is that the power generation system is also connected to a database module.
The utility model is further improved in that the energy storage device comprises a flywheel energy storage device, a pumped water energy storage device, an electrochemical energy storage device and a compressed air energy storage device; the flywheel energy storage device, the pumped water energy storage device, the electrochemical energy storage device and the compressed air energy storage device are connected with each other through a power grid.
The utility model further improves that the cloud energy storage service provider is a centralized energy storage system.
The utility model is further improved in that the electricity utilization system comprises a domestic electricity utilization system and an industrial electricity utilization system.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the cloud energy storage service provider is arranged, so that the safe operation guarantee can be improved, the unattended operation of each energy storage system is realized, and the labor cost is reduced; and a professional operation and maintenance team analyzes and guides failure relief in real time, service quality is improved, big data are used as support, and possibility is provided for realizing various value-added services. According to the utility model, through the dispatching center, the power grid regulation can be optimized in an auxiliary manner integrally, and the local power grid can be regulated and supported in a single-point manner, so that the flexible regulation capability of the power grid is improved, and the problems of supply and demand shortage, insufficient peak regulation capability and the like are solved.
Furthermore, resources in the cloud energy storage system can be used at any time, any place and as required by a photovoltaic power station, a wind power plant, a coal-fired power plant, a nuclear power station, a hydroelectric power station and the like, and the energy storage cost can be obviously reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is an electricity utilization system, 2 is a dispatching center, 3 is a power generation system, 4 is a cloud energy storage service provider, 5 is an energy storage device, 6 is a living electricity utilization system, 7 is an industrial electricity utilization system, 8 is a flywheel energy storage device, 9 is a pumped storage device, 10 is an electrochemical energy storage device, 11 is a compressed air energy storage device, 12 is a communication module, 13 is a database module, 14 is a load and electricity price prediction module, 15 is a user behavior analysis module, 16 is a wind power plant, 17 is a coal power plant, 18 is a biomass power plant, 19 is a hydroelectric power plant, 20 is a nuclear power plant, and 21 is a photovoltaic power plant.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the cloud energy storage system of the present invention mainly includes: the system comprises an electricity utilization system 1, a power generation system 3, a cloud energy storage service provider 4, an energy storage device 5 and a dispatching center 2.
The power utilization system 1, the power generation system 2, the dispatching center 3, the energy storage device 5 and the cloud energy storage service provider 4 are connected with each other through a power grid.
The power system 1 includes a domestic power system 6 and an industrial power system 7.
The power generation system 3 is composed of a wind power plant 16, a coal-fired power plant 17, a biomass power plant 18, a hydroelectric power plant 19, a nuclear power plant 20, and a photovoltaic power plant 21. The wind power plant 16, the coal fired power plant 17, the biomass power plant 18, the hydroelectric power plant 19, the nuclear power plant 20 and the photovoltaic power plant 21 are interconnected by a power grid, merging into a national or regional power grid.
The cloud energy storage service provider 4 is composed of a communication module 12, a database module 13, a load and electricity price prediction module 14 and a user behavior analysis module 15. Wherein, load and power price prediction module 14 and user behavior analysis module 15 all link to each other with database module 13, and database module 13 links to each other with communication module 12, and communication module 12 links to each other with energy memory 5. The power generation system 3 is also connected to a communication module 12.
The load and electricity price prediction module 14 is used for accurately predicting electricity utilization and power generation loads, and can economically and reasonably arrange energy storage capacity distribution and start and stop of a generator set in a power grid according to the predicted electricity utilization and power generation load results, so that the safety and stability of power grid operation are maintained, and the power generation cost is effectively reduced.
The user behavior analysis module 15 is configured to analyze peak power generation amount, peak-valley power generation amount, effective annual utilization hours, power generation rules in different scenes, and the like of the power generation system 3.
The database module 13 is used for storing the operation data of the power generation system 3 and each energy storage device 5.
The energy storage device 5 includes, but is not limited to, a flywheel energy storage device 8, a pumped-hydro energy storage device 9, an electrochemical energy storage device 10, and a compressed air energy storage device 11. The flywheel energy storage device 8, the pumped water energy storage device 9, the electrochemical energy storage device 10 and the compressed air energy storage device 11 are connected with each other through a power grid.
The dispatching center 2 is connected with the cloud energy storage service provider 4 and the power grid. The dispatching center 2 can know and master the operation state of a power system in a certain province or region in real time, so that the operation condition of the power grid can be conveniently and visually operated and dispatched in an all-round way, and the safe and stable operation of the whole power grid is effectively ensured.
The cloud energy storage service provider 4 is configured to provide centralized monitoring and maintenance of the energy storage device 5. The energy storage device 5 is connected with the communication module 12 of the cloud energy storage service provider 4, the cloud energy storage service provider 4 can build a centralized energy storage system, and also can concentrate the energy storage devices 5 originally dispersed at an energy storage user side at a cloud end to replace the entity energy storage at the user side with the virtual capacity in the cloud energy storage.
The database module 13 of the cloud energy storage service provider 4 provides big data to the load and electricity price prediction module 14 and the user behavior analysis module 15, so that calculation and prediction of the power load, the power generation load and the energy storage requirements of each plant are realized, the energy storage use requirements of the power generation system 3 are met, and the minimum operation cost is realized.
The power generation system 3 can use the virtual energy storage provided by the cloud energy storage service provider 4, and control the cloud energy storage device 5 to charge and discharge by means of the public internet as if using the physical energy storage.
The cloud energy storage service provider 4 provides the energy storage devices 5 for the wind power plant 16, the coal-fired power plant 17, the biomass power plant 18, the hydroelectric power station 19, the nuclear power station 20, the photovoltaic power station 21 and the like by means of the industrial internet, can meet the charging and discharging requirements of the wind power plant 16, the coal-fired power plant 17, the biomass power plant 18, the hydroelectric power station 19, the nuclear power station 20 and the photovoltaic power station 21, does not affect the stability of a national power grid or a regional power grid, reduces the abandonment rate of wind power and photoelectricity, and improves the deep peak regulation capacity of a thermal power unit.
The power grid is connected to each energy storage device 5, and when the wind power plant 16, the coal-fired power plant 17, the biomass power plant 18, the hydroelectric power plant 19, the nuclear power plant 20, the photovoltaic power plant 21, and the like charge or discharge energy storage resources allocated thereto, the energy storage devices 5 absorb or discharge electric energy to the power grid. The wind power plant 16, the coal-fired power plant 17, the biomass power plant 18, the hydroelectric power station 19, the nuclear power station 20, the photovoltaic power station 21 and the cloud energy storage service provider 4 are integrated, and enter a power grid through a main transformer, a transformer substation and power transmission to meet the requirement of a power utilization system.
The utility model has the following advantages: 1) the resources in the cloud energy storage system can be used at any time, any place and as required by a photovoltaic power station, a wind power plant, a coal-fired power plant, a nuclear power station, a hydroelectric power station and the like, and the energy storage cost can be obviously reduced.
2) Data of the photovoltaic power station, the wind power plant, the coal-fired power plant, the nuclear power station and the hydroelectric power station can be sent to the cloud, and a user can inquire, operate, maintain and settle accounts for the power station and different energy utilization devices at a mobile terminal, an operation terminal and a centralized control center.
3) By means of cloud energy storage service providers, safe operation guarantee is improved, unattended operation of each energy storage system is realized, and labor cost is reduced; and a professional operation and maintenance team analyzes and guides failure relief in real time, service quality is improved, big data are used as support, and possibility is provided for realizing various value-added services.
4) The method can be used for carrying out auxiliary optimization on the regulation of the power grid as a whole, and can also be used for carrying out regulation support on a local power grid in a single-point manner, so that the flexible regulation capability of the power grid is improved, and the problems of supply and demand shortage, insufficient peak regulation capability and the like are solved.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the utility model are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (9)
1. A cloud energy storage system suitable for the power generation industry is characterized by comprising an electricity utilization system (1), a power generation system (3), a cloud energy storage service provider (4), an energy storage device (5) and a dispatching center (2);
the power utilization system (1), the power generation system (3), the dispatching center (2), the energy storage device (5) and the cloud energy storage service provider (4) are connected with each other through a power grid.
2. A cloud energy storage system adapted for the power generation industry according to claim 1, characterized in that the power generation system (3) comprises a wind power plant (16), a coal power plant (17), a biomass power plant (18), a hydroelectric power plant (19), a nuclear power plant (20) and a photovoltaic power plant (21).
3. A cloud energy storage system adapted for use in the power generation industry according to claim 2, characterised in that the wind power plant (16), the coal-fired power plant (17), the biomass power plant (18), the hydroelectric power plant (19), the nuclear power plant (20) and the photovoltaic power plant (21) are interconnected by a power grid, merging into a national or regional power grid.
4. A cloud energy storage system adapted for use in the power generation industry according to claim 2, characterised in that the energy storage device (5) draws or discharges electrical energy into the grid when the wind power plant (16), coal fired power plant (17), biomass power plant (18), hydroelectric power plant (19), nuclear power plant (20) or photovoltaic power plant (21) charges or discharges energy storage resources.
5. The cloud energy storage system applicable to the power generation industry according to claim 1, wherein the cloud energy storage facilitator (4) comprises a communication module (12), a database module (13), a load and price forecasting module (14) and a user behavior analysis module (15); the load and electricity price prediction module (14) and the user behavior analysis module (15) are connected with the database module (13), the database module (13) is connected with the communication module (12), and the communication module (12) is connected with the energy storage device (5).
6. The cloud energy storage system suitable for the power generation industry of claim 1, wherein the power generation system (3) is further connected with the communication module (12).
7. The cloud energy storage system suitable for the power generation industry of claim 1, wherein the energy storage device (5) comprises a flywheel energy storage device (8), a pumped-water energy storage device (9), an electrochemical energy storage device (10) and a compressed air energy storage device (11); the flywheel energy storage device (8), the pumped water energy storage device (9), the electrochemical energy storage device (10) and the compressed air energy storage device (11) are connected with each other through a power grid.
8. The cloud energy storage system suitable for the power generation industry according to claim 1, wherein the cloud energy storage facilitator (4) is a centralized energy storage system.
9. A cloud energy storage system adapted for use in the power generation industry according to claim 1, characterised in that the electricity utilization system (1) comprises a domestic electricity utilization system (6) and an industrial electricity utilization system (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121392250.6U CN215646378U (en) | 2021-06-22 | 2021-06-22 | Cloud energy storage system suitable for power generation industry |
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| CN202121392250.6U CN215646378U (en) | 2021-06-22 | 2021-06-22 | Cloud energy storage system suitable for power generation industry |
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| CN215646378U true CN215646378U (en) | 2022-01-25 |
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2021
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