An energy storage system

By introducing off-grid renewable energy generation systems and the power grid into the energy storage system to power the power conversion device, the reliability and stability issues of a single power source are solved, power supply switching is simplified, and the available capacity of the energy storage unit is increased.

CN224653199UActive Publication Date: 2026-08-18HEFEI GUOXUAN HIGH TECH POWER ENERGY
1 Cites 0 Cited by

Patent Information

Application Number
CN202522045079.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-23
Publication Date
2026-08-18
Estimated Expiration
2035-09-23

AI Technical Summary

Technical Problem

Existing energy storage systems are mainly powered by energy storage batteries. The reliability and stability of a single power source are not high, resulting in insufficient usable battery capacity and complex power switching structures, which affects the performance of the energy storage system.

Method used

Multiple power extraction circuits and power conversion devices are adopted, and the power conversion devices are powered by off-grid renewable energy power generation systems and the power grid. By controlling the voltage, renewable energy and grid power are given priority, simplifying the switching of power sources and increasing the available capacity of the energy storage unit.

Benefits of technology

It achieves continuous and stable power supply to the energy storage system, avoids data loss, simplifies the power supply switching structure, and improves the available capacity of the energy storage unit.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model discloses a kind of energy storage systems, belong to energy storage device technical field, to solve the power supply of energy storage system in prior art mainly comes from single power supply source such as energy storage battery, the structure of switching power supply source is more complex, while it is difficult to guarantee higher available capacity of energy storage battery.The first power taking circuit, the second power taking circuit, the third power taking circuit and electric energy conversion device are included;The output end of the electric energy conversion device is externally connected to the power supply target, and the input end of the electric energy conversion device is respectively connected to the output end of the first power taking circuit, the second power taking circuit and the third power taking circuit;The utility model can supply power for electric energy conversion device by off-grid renewable energy power generation system, energy storage unit and power grid, and preferentially use off-grid renewable energy power generation system and power grid to supply power for electric energy conversion device, simplify the switching structure of power supply source, and further improve the available capacity of energy storage unit.
Need to check novelty before this filing date? Find Prior Art