Multi-energy fusion power supply system

Abstract

The invention discloses a multi-energy fusion power supply system which comprises the following steps: S1, energy collection: firstly collecting energy from various energy sources, the energy possibly including solar energy, wind energy, water energy, geothermal energy, biomass energy, traditional fossil energy and the like; s2, energy conversion: the collected original energy needs to be converted to meet specific application requirements; and S3, energy storage: in order to balance energy supply and demand and improve the energy utilization efficiency. A multi-energy fusion power supply system can comprehensively utilize various energy sources such as solar energy, wind energy, hydraulic energy, geothermal energy and the like and traditional fossil energy to form complementation in energy, so that the energy utilization efficiency is improved to the maximum extent, different forms of energy sources are converted into electric energy through energy conversion equipment such as an inverter and a transformer, and the energy conversion efficiency is improved. And integration and optimal utilization are carried out in an energy integration system, so that the energy utilization efficiency is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of power supply systems, and specifically to a multi - energy integrated power supply system. Background Art

[0002] A multi - energy integrated power supply system refers to a new type of energy system formed by coupling multiple energy systems such as cold, heat, electricity, gas, and water in the links of energy production, transmission, and consumption. It makes full use of the mutual assistance and complementary characteristics of different forms of energy, aiming to improve the economy, flexibility, and reliability of the system; this system realizes the comprehensive utilization and optimal allocation of energy by comprehensively using various energy resources to meet the diverse energy needs of users and is applicable to various scenarios, including but not limited to public parking lots, highway service areas, residential parking lots, industrial parks, commercial complexes, etc. In these scenarios, the system can provide convenient and efficient charging and energy supply services for users while reducing energy waste and environmental pollution; Defects: However, most of the existing technologies only combine a single new energy and traditional energy, without combining the power grid, conventional energy generation, new energy generation, and energy storage technologies to provide a more diverse power supply method according to the electricity demand; there are also some systems that provide more diverse multi - energy complementary power supply, but most of them are complex to implement and cannot be directly utilized. To solve the above - mentioned defects, the prior art (Chinese Patent with application number: 202420510166.7, authorization announcement date: November 8, 2024) discloses a multi - energy power supply system, a power supply system that combines multiple types of energy such as the power grid, diesel power generation, wind power generation, photovoltaic power generation, and battery power supply. This system can call one or more types of energy for combined power supply according to different electricity demands such as the type and size of the external load and the power supply priority of different types of energy. The power supply method is rich and flexible; this system can make full use of the free nature of new energy. As long as the energy conversion equipment for new energy is provided, the required electric energy can be continuously generated, saving the consumption of conventional energy and having good economy; in addition, this system gives a detailed structural design, which is not only simple in structure and easy to implement, but also can directly and efficiently utilize various types of energy.

[0003] The prior art calls one or more types of energy for combined power supply according to different electricity demands such as the type and size of the external load and the power supply priority of different types of energy, but it cannot form energy complementarity among solar energy, wind energy, hydraulic energy, etc., and traditional fossil energy, resulting in low energy utilization rate. At the same time, when a certain type of energy supply is insufficient or unstable, other energies may not be able to be supplemented in time, resulting in poor stability of energy supply. Therefore, we propose a multi - energy integrated power supply system to solve the problems raised above. Summary of the Invention

[0004] The object of the present invention is to provide a multi - energy integrated power supply system to solve the problems raised in the above - mentioned background technology. In the current market, it is impossible to form energy complementarity among solar energy, wind energy, hydraulic energy, etc., and traditional fossil energy, resulting in low energy utilization efficiency. At the same time, when a certain energy supply is insufficient or unstable, other energies may not be able to supplement it in time, resulting in poor stability of energy supply.

[0005] To achieve the above object, the present invention provides the following technical solutions: A multi - energy integrated power supply system includes the following steps: S1. Energy collection: First, collect energy from multiple energy sources, which may include solar energy, wind energy, water energy, geothermal energy, biomass energy, and traditional fossil energy, etc.; S2. Energy conversion: The collected raw energy needs to be converted to meet specific application requirements; S3. Energy storage: In order to balance energy supply and demand and improve energy utilization efficiency, the multi - energy integrated power supply system needs to be equipped with corresponding energy storage devices, which can be divided into battery energy storage and other energy storage methods; S4. Energy management: An energy management system (EMS) is used to monitor, control, and optimize the operation of the entire system; S5. Energy distribution: With the help of smart grid technology, the converted and stored energy can be distributed to each electrical device or user according to user needs.

[0006] Preferably, in S1, it can be divided into renewable energy, traditional energy, and other energy. Taking solar energy and wind energy as examples of renewable energy, solar panels convert solar energy into direct current through the photovoltaic effect. When photons irradiate semiconductor materials, electrons transition to form current. A wind turbine relies on wind to drive the rotation of the windmill blades. After the rotational speed is increased by a speed increaser, it drives the generator to generate electricity. For traditional energy such as coal and natural gas, in thermal power generation, coal combustion heats water into high - temperature and high - pressure steam, and the steam drives the steam turbine to rotate, thereby driving the generator to generate electricity. Natural gas power generation usually uses a gas turbine. Natural gas combustion generates high - temperature and high - pressure gas, which drives the impeller of the gas turbine to rotate and generate electricity. Moreover, for other energy, biomass energy can generate combustible gas through the combustion or fermentation of biomass and then be used for power generation. Geothermal energy utilizes the heat energy of underground hot water or steam to drive equipment such as steam turbines to generate electricity.

[0007] Preferably, in step S1, by installing sensors and metering devices on various energy production equipment, data such as the output power of solar panels, wind speed and the power generation of wind turbines, the power generation of thermal power plants, the water flow and power generation of hydropower stations are collected in real time to understand the production status of each type of energy. And parameters such as the state of charge (SOC), charge and discharge power, battery temperature, voltage and current of the battery energy storage system are monitored. For other energy storage methods such as pumped storage and compressed air energy storage, key operating parameters such as water level difference and air pressure are also monitored to master the available capacity and operating status of the energy storage system. Moreover, devices such as smart meters are used to collect information such as the power consumption, voltage and current of different regions and different types of loads in real time, to understand the changes and power consumption demands of the loads, including the respective power consumption of industrial loads, commercial loads and residential loads, and to monitor parameters such as the voltage, frequency, phase and line power flow of the power grid to understand the operating status of the power grid and judge whether there are problems such as voltage fluctuations, frequency abnormalities and line overloads.

[0008] Preferably, in step S2, since the electrical energy forms generated by different energies may be different, for example, the direct current generated by solar energy and wind energy needs to be converted into alternating current matching the power grid or load through a power electronic converter. In addition, parameters such as the voltage and frequency of the electrical energy need to be adjusted to ensure that the power quality meets the requirements.

[0009] Preferably, in step S3, when the power generation of renewable energy is greater than the load demand, the excess electrical energy can be stored in the battery. Commonly used batteries include lithium-ion batteries and lead-acid batteries. During the low electricity consumption period, the remaining capacity of the power grid can also be used to charge the battery. When the energy supply is insufficient or the load demand increases, the battery releases electrical energy to supplement the power supply. In addition to battery energy storage, there are also methods such as pumped storage, compressed air energy storage and flywheel energy storage. Pumped storage is to use electrical energy to pump water from a low water level to a high water level during the low electricity consumption period and store it as the gravitational potential energy of water. During the high electricity consumption period, the water flows down from the high water level to drive the water turbine to generate electricity.

[0010] Preferably, in S4, based on the collected data, a comprehensive assessment of the operating status of the entire power supply system is carried out to determine whether the operation of each energy production device, energy storage system, and power grid is normal, whether there are potential safety hazards or efficiency problems, and by combining historical data and real-time data, a prediction model is used to predict the energy production, load demand, and power grid operation conditions for a period of time in the future. For example, predict the solar irradiance intensity, wind power change trend, and peak and trough periods of the load in the next few hours. At the same time, according to the status assessment and prediction results, the EMS formulates an energy control and distribution strategy according to the preset optimization objectives and constraints. For example, on the premise of meeting the load demand, renewable energy is preferentially used and the consumption of traditional energy is minimized to reduce costs and environmental pollution; or when the power grid operation pressure is large, the output of each energy is reasonably adjusted to avoid grid overload.

[0011] Preferably, in S4, control is carried out on various energy production devices. For solar and wind power generation, the control parameters of the inverter can be adjusted to optimize the power generation efficiency; for thermal power generation and hydropower generation, etc., the output of the generator set can be adjusted to increase or decrease the power generation, and the charge and discharge process of the energy storage system is controlled. When the renewable energy power generation is excessive and the load demand is low, the EMS issues a charging command to make the energy storage system store the excess electric energy; when the energy supply is insufficient or the load demand is at a peak, the EMS issues a discharging command to let the energy storage system release electric energy to supplement the power grid.

[0012] Preferably, in S5, using the dispatching equipment and technology of the smart grid, according to the distribution strategy of the EMS, the electric power in the power grid is dispatched and controlled. By controlling equipment such as the switches of substations and the tap changers of transformers, the flow direction and distribution of electric power are adjusted to ensure the reasonable transmission and distribution of electric power in the power grid.

[0013] Preferably, in the process of energy control and distribution in S5, the operating status and various parameters of the system are continuously and real-time monitored, the actual operating conditions are compared with the expected goals, deviations and problems are promptly discovered, and according to the real-time feedback information, the EMS dynamically adjusts and optimizes the energy control and distribution strategy. For example, if the actual load demand is higher than the predicted value, the EMS will promptly adjust the operation strategies of the energy production and energy storage systems, increase the power generation or increase the discharge of the energy storage system to ensure the reliability and stability of power supply. And based on long-term operation data and development needs, the energy control and distribution of the multi-energy integrated power supply system are overall optimized and planned. For example, according to changes in regional energy resources, load growth trends, etc., the energy structure is adjusted, the energy storage capacity is increased, or the power grid layout is optimized to improve the overall performance and adaptability of the system.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: The multi-energy integrated power supply system adopts a novel structural design, and the specific content is as follows: (1) It can comprehensively utilize various energy sources, such as solar energy, wind energy, hydraulic energy, geothermal energy, etc., as well as traditional fossil energy, to form energy complementarity, thereby maximizing energy utilization efficiency. Through energy conversion devices, such as inverters, transformers, etc., different forms of energy are converted into electrical energy, and are integrated and optimally utilized in the energy integration system, further improving energy utilization efficiency.

[0015] (2) Due to the integration of multiple energy sources, when a certain energy source is in short supply or unstable, other energy sources can be supplemented in a timely manner, thus ensuring the stability of energy supply. Through an energy management system, such as an energy monitoring system, an energy control system, etc., the energy supply situation can be monitored and regulated in real time to ensure a stable energy supply.

[0016] (3) It can utilize renewable energy, reduce dependence on traditional energy, thereby reducing energy costs. By optimizing energy allocation and scheduling, energy waste is reduced, and energy utilization benefits are further improved. Further, the dependence on fossil fuels is reduced, thereby reducing carbon emissions and environmental pollution. Through the comprehensive utilization of multiple energy sources to form energy complementarity, the recycling and efficient utilization of energy are realized, which helps to promote the optimization of the energy structure and sustainable development.

[0017] (4) It has high flexibility and scalability and can be adjusted and expanded according to actual needs. For example, according to factors such as energy supply situation and user demand, the energy allocation and scheduling strategy can be flexibly adjusted to meet the energy needs in different scenarios. Further, it helps to promote the optimization and upgrading of the energy structure, promote energy sustainable development, and provides strong support for energy sustainable development by improving energy utilization efficiency, reducing energy costs, and reducing environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic flow diagram of the power supply system of the present invention; Figure 2 It is a schematic diagram of the technical framework of the power supply system of the present invention; Figure 3 It is a circuit diagram of the power supply system of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1 - 3, the present invention provides a technical solution: a multi - energy integrated power supply system, including the following steps: S1. Energy collection: First, collect energy from various energy sources, which may include solar energy, wind energy, water energy, geothermal energy, biomass energy, and traditional fossil energy, etc. In S1, it can be divided into renewable energy, traditional energy, and other energy. Taking solar energy and wind energy as examples of renewable energy, solar panels convert sunlight energy into direct current through the photovoltaic effect. When photons irradiate the semiconductor material, electrons transition to form an electric current. A wind turbine relies on the wind to drive the windmill blades to rotate. After the rotational speed is increased by a speed increaser, it drives the generator to generate electricity. For traditional energy such as coal and natural gas, in thermal power generation, coal combustion heats water into high - temperature and high - pressure steam, and the steam drives the steam turbine to rotate, thereby driving the generator to generate electricity. Natural gas power generation usually uses a gas turbine. Natural gas combustion produces high - temperature and high - pressure gas, which drives the impeller of the gas turbine to rotate and generate electricity. Moreover, for other energy, biomass energy can generate combustible gas through the combustion or fermentation of biomass and then be used for power generation. Geothermal energy utilizes the thermal energy of underground hot water or steam to drive equipment such as steam turbines to generate electricity. In S1, by installing sensors and metering devices on various energy production equipment, data such as the output power of solar panels, wind speed, and the power generation power of wind turbines, the power generation of thermal power plants, the water flow and power generation power of hydropower stations, etc. are collected in real - time to understand the production status of each energy source, and parameters such as the state of charge (SOC), charge - discharge power, battery temperature, voltage, and current of the battery energy storage system are monitored. For other energy storage methods such as pumped - storage energy storage and compressed - air energy storage, key operating parameters such as water - level difference and air pressure are also monitored to master the available capacity and operating status of the energy storage system. And by using devices such as smart meters, information such as the power consumption, voltage, and current of different regions and different types of loads are collected in real - time to understand the load changes and power consumption demands, including the respective power consumption situations of industrial loads, commercial loads, and residential loads, and parameters such as the voltage, frequency, phase, and line power flow of the power grid are monitored to understand the operating status of the power grid and judge whether there are problems such as voltage fluctuations, frequency abnormalities, and line overloads; S2. Energy conversion: The raw energy collected needs to be converted to meet specific application requirements. In S2, since the electrical energy forms generated by different energies may be different, for example, the direct current generated by solar energy and wind energy needs to be converted into alternating current that matches the power grid or load through a power electronic converter. In addition, parameters such as the voltage and frequency of the electrical energy need to be adjusted to ensure that the power quality meets the requirements;S3. Energy Storage: To balance energy supply and demand and improve energy utilization efficiency, the multi-energy integrated power supply system needs to be equipped with corresponding energy storage devices, which can be divided into battery energy storage and other energy storage methods. In S3, when the renewable energy generation power is greater than the load demand, the excess electric energy can be stored in the battery. Common batteries include lithium-ion batteries, lead-acid batteries, etc. During the low electricity consumption period, the remaining capacity of the power grid can also be used to charge the battery. When the energy supply is insufficient or the load demand increases, the battery releases electric energy to supplement the power supply. In addition to battery energy storage, there are also methods such as pumped-storage energy storage, compressed-air energy storage, and flywheel energy storage. Pumped-storage energy storage is to use electric energy to pump water from a low water level to a high water level during the low electricity consumption period and store it as the gravitational potential energy of water. During the high electricity consumption period, the water flows down from the high water level to drive the water turbine to generate electricity. S4. Energy Management: An energy management system (EMS) is adopted to be responsible for monitoring, controlling, and optimizing the operation of the entire system. In S4, based on the collected data, a comprehensive assessment of the operation status of the entire power supply system is carried out to judge whether the operation of each energy production device, energy storage system, and power grid is normal, whether there are potential safety hazards or efficiency problems, and combined with historical data and real-time data, a prediction model is used to predict the energy production, load demand, and power grid operation conditions in a future period of time. For example, predicting the solar irradiance intensity, wind power change trend, and peak and valley periods of the load in the next few hours. At the same time, according to the status assessment and prediction results, the EMS formulates energy control and distribution strategies according to the preset optimization objectives and constraints. For example, on the premise of meeting the load demand, renewable energy is preferentially used and the consumption of traditional energy is minimized to reduce costs and environmental pollution; or when the power grid operation pressure is relatively large, the output of each energy is reasonably adjusted to avoid power grid overload. In S4, the energy management system (EMS) controls various energy production devices. For solar and wind power generation, the control parameters of the inverter can be adjusted to optimize the power generation efficiency; for thermal power generation and hydropower generation, etc., the output of the generator set can be adjusted to increase or decrease the power generation, and the charge and discharge process of the energy storage system is controlled. When the renewable energy generation is excessive and the load demand is low, the EMS issues a charging command to make the energy storage system store the excess electric energy; when the energy supply is insufficient or during the peak load demand, the EMS issues a discharge command to let the energy storage system release electric energy and supplement it into the power grid;S5. Energy Distribution: With the help of smart grid technology, the converted and stored energy can be distributed to various electrical devices or users according to their demands. In S5, the dispatching devices and technologies of the smart grid are used to dispatch and control the electric power in the grid according to the distribution strategy of the EMS. By controlling devices such as the switches of substations and the tap changers of transformers, the flow direction and distribution of electric power are adjusted to ensure the reasonable transmission and distribution of electric power in the grid. During the process of energy control and distribution in S5, the operating status and various parameters of the system are continuously and real-time monitored. The actual operating conditions are compared with the expected goals, deviations and problems are promptly detected, and based on the real-time feedback information, the EMS dynamically adjusts and optimizes the energy control and distribution strategy. For example, if the actual load demand is higher than the predicted value, the EMS will promptly adjust the operating strategies of the energy production and energy storage systems, increase the power generation or increase the discharge of the energy storage system to ensure the reliability and stability of power supply. Moreover, based on the long-term operating data and development needs, the energy control and distribution of the multi-energy integrated power supply system are overall optimized and planned. For example, according to the changes in regional energy resources, load growth trends, etc., the energy structure is adjusted, the energy storage capacity is increased or the grid layout is optimized to improve the overall performance and adaptability of the system.

[0021] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A multi-energy fusion power supply system, characterized in that: The following steps are involved: S1. Energy collection: First, energy is collected from a variety of energy sources, which may include solar energy, wind energy, hydropower, geothermal energy, biomass energy and traditional fossil energy; S2. Energy conversion: The collected raw energy needs to be converted to meet specific application requirements; S3. Energy storage: In order to balance energy supply and demand and improve energy utilization efficiency, the multi-energy fusion power supply system needs to be equipped with corresponding energy storage equipment, which can be divided into battery energy storage and other energy storage methods: S4. Energy management: The energy management system (EMS) is used to monitor, control and optimize the operation of the entire system; S5. Energy distribution: With the help of smart grid technology, the converted and stored energy can be distributed to various electrical equipment or users according to user needs.

2. A multi-energy fusion power supply system according to claim 1, characterized in that: The S1 can be divided into renewable energy, traditional energy and other energy. Among them, renewable energy takes solar energy and wind energy as examples. Solar panels convert sunlight energy into direct current through the photoelectric effect. When photons irradiate semiconductor materials, electrons jump to form current. Wind turbines rely on wind power to drive the windmill blades to rotate, and after the speed is increased by the speed increaser, it drives the generator to generate electricity. Traditional energy such as coal and natural gas, in thermal power generation, coal combustion heats water into high-temperature and high-pressure steam, and steam drives the turbine to rotate, which in turn drives the generator to generate electricity. Natural gas power generation usually uses gas turbines. Natural gas combustion produces high-temperature and high-pressure gas, which drives the impeller of the gas turbine to rotate and generate electricity. Other energy sources such as biomass energy can produce combustible gas through the combustion or fermentation of biomass, which is then used for power generation. Geothermal energy uses the thermal energy of underground hot water or steam to drive steam turbines and other equipment to generate electricity.

3. A multi-energy fusion power supply system according to claim 1, characterized in that: In the S1, sensors and metering devices are installed on various energy production equipment to collect data such as the output power of solar panels, wind speed and power generation of wind turbines, power generation of thermal power plants, water flow and power generation of hydropower stations in real time, so as to understand the production status of each energy source, and monitor the state of charge (SOC), charging and discharging power, battery temperature, voltage and current of the battery energy storage system. For other energy storage methods such as pumped storage and compressed air energy storage, their key operating parameters such as water level difference and air pressure are also monitored to grasp the available capacity and operating status of the energy storage system. In addition, smart meters and other equipment are used to collect power consumption, voltage, current and other information of different regions and different types of loads in real time to understand the changes in loads and power demand, including the power consumption of industrial loads, commercial loads and residential loads, and to monitor the voltage, frequency, phase, line flow and other parameters of the power grid to understand the operating status of the power grid and determine whether there are voltage fluctuations, frequency anomalies, line overloads and other problems.

4. The multi-energy fusion power supply system according to claim 1, characterized in that: In S2, the forms of electric energy generated by different energy sources may be different. For example, the direct current generated by solar energy and wind energy needs to be converted into alternating current matching the power grid or load through a power electronic converter. In addition, the voltage, frequency and other parameters of the electric energy need to be adjusted to ensure that the power quality meets the requirements.

5. The multi-energy fusion power supply system according to claim 1, characterized in that: In S3, when the power generated by renewable energy is greater than the load demand, the excess electric energy can be stored in batteries. Commonly used batteries include lithium-ion batteries, lead-acid batteries, etc. When electricity consumption is low, the remaining capacity of the power grid can also be used to charge the battery. When the energy supply is insufficient or the load demand increases, the battery releases electric energy to supplement the power supply. In addition to battery energy storage, there are also pumped storage, compressed air energy storage, flywheel energy storage and other methods. Pumped storage is to use electric energy to pump water from a low water level to a high water level when electricity consumption is low, and store it as the gravitational potential energy of water. When electricity consumption is peak, water flows down from the high water level to drive the turbine to generate electricity.

6. The multi-energy fusion power supply system according to claim 1, characterized in that: In S4, based on the collected data, a comprehensive assessment is made on the operating status of the entire power supply system to determine whether the operation of each energy production equipment, energy storage system and power grid is normal, whether there are potential safety hazards or efficiency problems, and combined with historical data and real-time data, a prediction model is used to predict energy production, load demand and power grid operation in the future, such as predicting the solar radiation intensity, wind change trend and peak and trough periods of load in the next few hours. At the same time, based on the status assessment and prediction results, the EMS formulates energy control and allocation strategies according to preset optimization goals and constraints. For example, on the premise of meeting load demand, renewable energy is given priority to, and the consumption of traditional energy is minimized to reduce costs and environmental pollution; or when the power grid is under great pressure, the output of each energy source is reasonably adjusted to avoid power grid overload.

7. The multi-energy fusion power supply system according to claim 1, characterized in that: In the S4, various energy production equipment is controlled. For solar and wind power generation, the power generation efficiency can be optimized by adjusting the control parameters of the inverter; for thermal power generation and hydropower generation, the output of the generator set can be adjusted to increase or decrease the power generation, and the charging and discharging process of the energy storage system can be controlled. When the power generation of renewable energy is in excess and the load demand is low, the EMS issues a charging instruction to allow the energy storage system to store excess electricity; when the energy supply is insufficient or the load demand is peak, the EMS issues a discharge instruction to allow the energy storage system to release electricity to supplement the power grid.

8. The multi-energy fusion power supply system according to claim 1, characterized in that: The S5 utilizes the dispatching equipment and technology of the smart grid to dispatch and control the power in the grid according to the distribution strategy of the EMS, and adjusts the flow and distribution of power by controlling the switches of the substation, the taps of the transformer and other equipment to ensure the reasonable transmission and distribution of power in the grid.

9. The multi-energy fusion power supply system according to claim 1, characterized in that: During the energy control and distribution process, the S5 continuously monitors the operating status and various parameters of the system in real time, compares the actual operating conditions with the expected targets, promptly identifies deviations and problems, and dynamically adjusts and optimizes the energy control and distribution strategies based on real-time feedback information. For example, if the actual load demand is higher than the predicted value, the EMS will promptly adjust the operating strategies of the energy production and energy storage systems, increase the power generation or increase the discharge of the energy storage system to ensure the reliability and stability of the power supply. Based on long-term operating data and development needs, the energy control and distribution of the multi-energy fusion power supply system is comprehensively optimized and planned, such as adjusting the energy structure, increasing the energy storage capacity or optimizing the grid layout according to changes in regional energy resources and load growth trends, so as to improve the overall performance and adaptability of the system.

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