Electric energy storage system and energy storage power supply system

By designing a power energy storage system and energy storage power supply system including energy storage units, power monitoring modules, power adjustment modules, optimization control modules, data acquisition modules and communication modules, the problem that existing systems cannot achieve coordinated energy storage and power supply adjustment in dynamic load scenarios is solved, rapid response and efficient linkage are achieved, and power supply quality and system stability are improved.

CN119813291APending Publication Date: 2025-04-11JIANGSU HE POWER ELECTRONIC ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510055951.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

The existing power energy storage systems and energy storage power supply systems cannot achieve coordinated adjustment of energy storage and power supply in dynamic load scenarios, which can easily lead to system overload or reduced power supply quality.

Method used

A power energy storage system and energy storage power supply system including energy storage units, power monitoring modules, power adjustment modules, optimization control modules, data acquisition modules and communication modules are designed. Through dynamic objective functions and adaptive weight factors, coordinated adjustment of energy storage and power supply and power distribution optimization are achieved.

Benefits of technology

It realizes rapid coordinated adjustment between the energy storage unit and the power supply unit when load demand changes, avoids the reduction in power supply quality and system overload caused by response delays, and improves the linkage efficiency of energy storage and power supply and the intelligent level of energy management.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119813291A_ABST
    Figure CN119813291A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of electric energy storage, in particular to an electric energy storage system and an energy storage power supply system, which comprise an energy storage unit, an electric quantity monitoring module, a power regulation module, an optimization control module, a data acquisition module, a communication module and an energy storage power supply system, the energy storage unit is used for storing electric energy, and the output power # imgabs0 # of the energy storage unit is dynamically adjusted within the range from # imgabs1 # to # imgabs2 #; the power adjusting module adjusts the power output of the energy storage unit based on the real-time load demand and the system state. According to the electric power energy storage system and the energy storage power supply system, through the linkage design of the optimization control module and the real-time data acquisition module, rapid cooperative adjustment of the energy storage unit and the power supply unit can be realized when the load demand changes, and a dynamic objective function is combined with a weight factor self-adaptive adjustment strategy, so that the power supply efficiency is improved. The system can accurately match real-time load requirements, and the problems of power supply quality reduction and system overload caused by response delay are effectively avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of electric energy storage technology, and in particular to an electric energy storage system and an energy storage power supply system. Background Art

[0002] With the growth of global energy demand and increasingly severe environmental problems, power storage systems and energy storage power supply systems have received extensive attention as key technologies for regulating supply and demand balance and improving energy efficiency. In the prior art, these systems usually include energy storage units, monitoring modules, power regulation modules, optimization control modules, and data acquisition and communication modules, aiming to achieve effective storage and intelligent management of electric energy. However, the existing systems still face challenges in terms of dynamic adjustment of output power, real-time monitoring, and optimization control, especially in terms of distributed energy integration, environmental adaptability, and efficient coordination between systems. In dynamic load scenarios, existing electric energy storage systems and energy storage power supply systems are unable to achieve coordinated regulation of energy storage and power supply in the face of real-time fluctuations and sudden changes in load demand, which can easily lead to system overload or reduced power supply quality. Therefore, electric energy storage systems and energy storage power supply systems are proposed to address the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide an electric energy storage system and an energy storage power supply system to solve the problem that the existing electric energy storage system and energy storage power supply system cannot achieve coordinated regulation of energy storage and power supply in the face of real-time fluctuations and sudden changes in load demand under dynamic load scenarios, which easily leads to system overload or reduced power supply quality.

[0004] To achieve the above object, the present invention provides the following technical solutions: Power storage system and energy storage power supply system, including energy storage unit, power monitoring module, power regulation module, optimization control module, data acquisition module, communication module and energy storage power supply system; The energy storage unit is used to store electrical energy, and the energy storage unit outputs power In range to Internal dynamic regulation; The power monitoring module is used to monitor the power status of the energy storage unit in real time and temperature and humidity parameters of the external environment; The power regulation module adjusts the power output of the energy storage unit based on real-time load demand and system status; The optimization control module adopts a dynamic objective function and adaptive weight factor , automatically adjust the power allocation strategy according to load demand fluctuations; The data acquisition module and the communication module are used to collect system data and communicate with the external power supply system, and are also used for the coordinated optimization of energy storage and power supply.

[0005] As a further optimization content of the present invention, the optimization control module is implemented by a dynamic objective function. To optimize power regulation, the dynamic objective function The calculation formula is:

[0006] In the formula, is the power error of the energy storage system, is the load demand error, is the load change rate, It is a dynamically adjusted weight factor that is optimized in real time in combination with load demand fluctuations.

[0007] As a further optimization of the present invention, the power regulation module supports an optimization strategy based on gradient descent or genetic algorithm, combined with load demand volatility, by updating the weight factor in real time. , achieving rapid convergence and dynamic adjustment.

[0008] As further optimized content of the present invention, it includes: a power supply unit, a real-time monitoring module, a power coordination module, an optimization control module, a data acquisition module and a communication module; The power supply unit includes distributed energy, and the power supply unit outputs power In range to Internal dynamic regulation; The real-time monitoring module is used to monitor the power status of the power supply unit , Load demand and environmental parameters; The power coordination module realizes power coordination between the power supply unit and the energy storage unit to ensure the total power balance of the system; The optimization control module is based on a time-varying objective function and a dynamic weight factor , optimize and adjust the power output; The data acquisition module and the communication module are used to collect real-time data of the power supply system and communicate with the energy storage system.

[0009] As a further optimized content of the present invention, the power coordination module dynamically distributes power between the power supply unit and the energy storage unit to meet the following balance relationship:

[0010] Among them, the output power of the energy storage unit and the power supply unit is automatically adjusted when the load demand changes suddenly to achieve rapid response.

[0011] As a further optimized content of the present invention, the optimization control module realizes the optimization regulation of the power supply unit power through the following time-varying objective function:

[0012] In the formula, is the power error of the power supply system, is the load demand error, is the load change rate, is the dynamically adjusted weight factor.

[0013] As a further optimization of the present invention, the power supply unit adjusts the power output range in real time by combining the optimization algorithm with the load demand. to .

[0014] As a further optimization of the present invention, the real-time monitoring module supports multi-dimensional parameter collection, including load demand , temperature and humidity, power output status of the power supply unit , providing real-time feedback data for system optimization.

[0015] As a further optimization of the present invention, the power coordination module preferentially adjusts the power distribution between the energy storage unit and the power supply unit when the load demand fluctuates or a sudden failure occurs, so as to avoid system overload or a decrease in power supply quality.

[0016] As a further optimized content of the present invention, the system includes a fault emergency module, which is used to dynamically adjust the power output of the energy storage unit and the power supply unit when a sudden fault or abnormal load demand occurs, and meets the following conditions: .

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the power energy storage system and the energy storage power supply system can realize the rapid coordinated adjustment of the energy storage unit and the power supply unit when the load demand changes by optimizing the linkage design of the control module and the real-time data acquisition module. The dynamic objective function is combined with the adaptive adjustment strategy of the weight factor, so that the system can accurately match the real-time load demand, effectively avoiding the power supply quality degradation and system overload problems caused by response delay. At the same time, the rapid convergence of power regulation is realized by optimizing the algorithm, which improves the linkage efficiency of energy storage and power supply, and provides reliable guarantee for power management under complex load environment. 2. In the present invention, through the dynamic power allocation optimization algorithm, multi-dimensional data can be collected and analyzed in real time, including load demand, environmental factors and energy storage power status, to ensure the accuracy and stability of power output. Compared with the traditional static adjustment method, the energy storage and power supply system optimization control module of the present invention greatly improves the energy utilization efficiency and can effectively reduce the energy consumption of the system. At the same time, through the dynamic adjustment of the power adjustment range, the energy storage system and the power supply unit can fully adapt to the demand fluctuations in different scenarios, further improving the intelligent level of energy management; 3. In the present invention, a fault emergency module is added. When a sudden fault occurs in the system or the load demand is abnormal, the power output distribution of the energy storage unit and the power supply unit can be quickly adjusted to give priority to the power supply demand of key loads. Through the coordinated optimization of the energy storage system and the power supply system, the system can achieve continuous power supply in complex environments, significantly improving safety and reliability. In addition, combined with the real-time feedback mechanism of the optimization control module, the present invention can quickly identify and respond to abnormal situations to ensure stable operation of the system. It is particularly suitable for scenarios with high requirements for power reliability, such as data centers and medical facilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a block diagram of the electric energy storage system of the present invention; Figure 2 This is a block diagram of the energy storage and power supply system of the present invention. DETAILED DESCRIPTION

[0019] See also Figure 1-2 , the present invention provides a technical solution: Power storage system and energy storage power supply system, including energy storage unit, power monitoring module, power regulation module, optimization control module, data acquisition module, communication module and energy storage power supply system; The energy storage unit is used to store electrical energy. The energy storage unit outputs power In range to Internal dynamic regulation; The power monitoring module is used to monitor the power status of the energy storage unit in real time and temperature and humidity parameters of the external environment; The power regulation module adjusts the power output of the energy storage unit based on real-time load demand and system status; The optimization control module uses a dynamic objective function and adaptive weight factor , automatically adjust the power allocation strategy according to load demand fluctuations; The data acquisition module and the communication module are used to collect system data and communicate with the external power supply system, and are also used for the coordinated optimization of energy storage and power supply. Through the above settings, the responsiveness of the energy storage system to dynamic load demands can be improved, ensuring efficient use of electric energy. At the same time, real-time monitoring and optimization control can be provided, effectively reducing system power consumption and extending the service life of the energy storage unit.

[0020] As a further optimization content of the present invention, the optimization control module uses a dynamic objective function Perform power regulation optimization, dynamic objective function The calculation formula is:

[0021] In the formula, is the power error of the energy storage system, is the load demand error, is the load change rate, The dynamically adjusted weight factor is combined with real-time optimization of load demand fluctuations. The dynamic objective function is combined with the adaptive weight factor to effectively reduce the power output error, optimize the output performance of the energy storage system, achieve accurate response to load fluctuations and demands, and improve the dynamic adjustment capability of the system. As a technical solution for further implementation of this solution, the power regulation module supports optimization strategies based on gradient descent or genetic algorithms, combined with load demand volatility, by updating the weight factor in real time. , achieve fast convergence and dynamic regulation, use advanced gradient descent or genetic algorithms to improve the convergence speed and accuracy of power regulation, meet the needs of dynamic load scenarios, ensure stable operation of the energy storage system, and reduce energy waste; As a technical solution for further implementation of this solution, it includes a power supply unit, a real-time monitoring module, a power coordination module, an optimization control module, a data acquisition module and a communication module; The power supply unit includes distributed energy, and the power supply unit output power In range to Internal dynamic regulation; Real-time monitoring module is used to monitor the power status of the power supply unit , Load demand and environmental parameters; The power coordination module realizes the power coordination between the power supply unit and the energy storage unit to ensure the total power balance of the system; The optimization control module is based on a time-varying objective function and a dynamic weight factor , optimize and adjust the power output; The data acquisition module and communication module are used to collect real-time data of the power supply system and communicate with the energy storage system to achieve efficient coordination between energy storage and power supply, balance the power distribution of the power supply unit and the energy storage unit, improve the overall efficiency of the system, support distributed energy power supply, have strong adaptability, and enhance power supply reliability; As a technical solution for further implementation of this solution, the power coordination module dynamically allocates power between the power supply unit and the energy storage unit to meet the following balance relationship:

[0022] Among them, the output power of the energy storage unit and the power supply unit is automatically adjusted when the load demand changes suddenly, so as to achieve rapid response and dynamic power allocation. It can quickly respond to sudden changes in load demand, effectively avoid overload or imbalance of the power supply system, improve the quality of load power supply, and meet the power demand in complex scenarios; As a technical solution for further implementation of this scheme, the optimization control module realizes the optimal regulation of the power supply unit power through the following time-varying objective function:

[0023] In the formula, is the power error of the power supply system, is the load demand error, is the load change rate, The weight factor is dynamically adjusted, and the time-varying objective function is used to optimize the power output of the power supply unit, reduce the energy consumption of the system operation, and ensure the accurate matching of load demand, thereby enhancing the robustness and regulation efficiency of the system; As a technical solution for further implementation of this solution, the power supply unit adjusts the power output range in real time by optimizing the algorithm and combining the load demand. to , the output range of the power supply unit can be dynamically adjusted to adapt to the rapid changes in load demand, improve system flexibility and stability, be more precise in energy distribution, and help improve the utilization rate of renewable energy; As a technical solution for further implementation of this solution, the real-time monitoring module supports multi-dimensional parameter collection, including load demand , temperature and humidity, power output status of the power supply unit , providing real-time feedback data for system optimization. Multi-dimensional parameter collection enhances the system's ability to perceive environmental and load changes, provides data support for real-time optimization, improves the intelligence level of system operation, and reduces the need for manual intervention; As a technical solution for further implementation of this solution, the power coordination module gives priority to adjusting the power distribution between the energy storage unit and the power supply unit when the load demand fluctuates or a sudden fault occurs, so as to avoid system overload or power supply quality degradation. In the case of load fluctuations or faults, the power distribution is adjusted first to avoid power supply interruption or quality degradation, thereby improving the safety and reliability of the power supply system and adapting to complex load environments. As a technical solution for further implementation of this solution, the system includes a fault emergency module, which is used to dynamically adjust the power output of the energy storage unit and the power supply unit when a sudden fault or abnormal load demand occurs, and meets the following conditions: , through the fault emergency module, it ensures the continuity of power supply in emergency situations, reduces the risk of power outages or losses, and provides highly stable power support, which is suitable for application requirements in critical scenarios such as hospitals and data centers.

[0024] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. Power energy storage system, including energy storage unit, power monitoring module, power regulation module, optimization control module, data acquisition module, communication module and energy storage power supply system; The energy storage unit is used to store electrical energy, and the energy storage unit outputs power In range to Internal dynamic regulation; The power monitoring module is used to monitor the power status of the energy storage unit in real time and temperature and humidity parameters of the external environment; The power regulation module adjusts the power output of the energy storage unit based on real-time load demand and system status; The optimization control module adopts a dynamic objective function and adaptive weight factor , automatically adjust the power allocation strategy according to load demand fluctuations; The data acquisition module and the communication module are used to collect system data and communicate with the external power supply system, and are also used for the coordinated optimization of energy storage and power supply.

2. The electric energy storage system according to claim 1, characterized in that: The optimization control module uses a dynamic objective function To optimize power regulation, the dynamic objective function The calculation formula is: ; In the formula, is the power error of the energy storage system, is the load demand error, is the load change rate, It is a dynamically adjusted weight factor that is optimized in real time in combination with load demand fluctuations.

3. The electric energy storage system according to claim 1, characterized in that: The power regulation module supports optimization strategies based on gradient descent or genetic algorithms, combined with load demand volatility, by updating the weight factor in real time. , achieving rapid convergence and dynamic adjustment.

4. The energy storage power supply system according to claim 1, characterized in that: It includes a power supply unit, a real-time monitoring module, a power coordination module, an optimization control module, a data acquisition module and a communication module; The power supply unit includes distributed energy, and the power supply unit outputs power In range to Internal dynamic regulation; The real-time monitoring module is used to monitor the power status of the power supply unit , Load demand and environmental parameters; The power coordination module realizes power coordination between the power supply unit and the energy storage unit to ensure the total power balance of the system; The optimization control module is based on a time-varying objective function and a dynamic weight factor , optimize and adjust the power output; The data acquisition module and the communication module are used to collect real-time data of the power supply system and communicate with the energy storage system.

5. The energy storage power supply system according to claim 4, characterized in that: The power coordination module dynamically distributes power between the power supply unit and the energy storage unit to meet the following balance relationship: ; Among them, the output power of the energy storage unit and the power supply unit is automatically adjusted when the load demand changes suddenly to achieve rapid response.

6. The energy storage power supply system according to claim 4, characterized in that: The optimization control module realizes the optimization regulation of the power supply unit power through the following time-varying objective function: ; In the formula, is the power error of the power supply system, is the load demand error, is the load change rate, is the dynamically adjusted weight factor.

7. The energy storage power supply system according to claim 4, characterized in that: The power supply unit adjusts the power output range in real time by optimizing the algorithm and combining the load demand. to .

8. The energy storage power supply system according to claim 4, characterized in that: The real-time monitoring module supports multi-dimensional parameter collection, including load demand , temperature and humidity, power output status of the power supply unit , providing real-time feedback data for system optimization.

9. The energy storage power supply system according to claim 4, characterized in that: When load demand fluctuates or a sudden failure occurs, the power coordination module preferentially adjusts the power distribution between the energy storage unit and the power supply unit to avoid system overload or power supply quality degradation.

10. The energy storage power supply system according to claim 4, characterized in that: The system includes a fault emergency module, which is used to dynamically adjust the power output of the energy storage unit and the power supply unit when a sudden fault or abnormal load demand occurs, and meets the following conditions: .