A source, network, load and storage integrated photovoltaic power generation and energy storage system

By employing a hybrid intelligent management architecture and dynamic grouping technology, the slow response and computational overload issues of integrated photovoltaic power generation and energy storage systems with grid-source-load-storage capabilities have been resolved. This has enabled efficient and safe battery management and scheduling, thereby improving the overall system performance and battery life.

CN121689106BActive Publication Date: 2026-06-26BEIJING XIEHE XINYUAN TECH DEV CO LTD
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Patent Information

Application Number
CN202511891749.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-12-16
Publication Date
2026-06-26
Estimated Expiration
2045-12-16

AI Technical Summary

Technical Problem

The existing integrated photovoltaic power generation and energy storage system has a slow management architecture, is overloaded by computational load, and fails to achieve fine-grained coordinated scheduling. This results in excessive consumption of healthy batteries or overload operation of low-healthy batteries, leading to low system efficiency and safety hazards.

Method used

It adopts a hybrid intelligent management architecture, including a central coordination layer, a group autonomy layer, and a communication network layer. It combines a hierarchical thermal management protection system and a task execution monitoring mechanism. It dynamically groups and redistributes tasks based on battery health and uses multi-objective optimization algorithms and distributed consensus algorithms to achieve efficient collaborative scheduling.

Benefits of technology

It achieves efficient collaborative scheduling of large-scale battery arrays, improves system operating efficiency, battery life and safety protection capabilities, reduces the load on the central control layer, and ensures the real-time and reliable transmission of data.

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Abstract

The application relates to the technical field of photovoltaic systems, and discloses a source-grid-load-storage integrated photovoltaic power generation energy storage system which comprises a photovoltaic power generation unit, an energy storage unit, a photovoltaic controller, an energy storage converter, an on-grid and off-grid switching unit, further comprises a hybrid intelligent management architecture, a hierarchical thermal management protection system and a task execution monitoring mechanism; the hybrid intelligent management architecture comprises a central coordination layer, a grouping autonomous layer and a communication network layer. The source-grid-load-storage integrated photovoltaic power generation energy storage system can effectively break the scheduling bottleneck of the traditional architecture by constructing the central coordination layer, the grouping autonomous layer and the communication network layer, the dynamic grouping mechanism based on the real-time health degree of the battery can maximize the performance value of the batteries with different health states, and finally realizes all-round improvement of the system operation efficiency, the battery service life and the safety protection capability, thereby providing technical support for the large-scale and high-reliable operation of the source-grid-load-storage integrated system.
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