Energy storage system

By designing an integrated energy storage system, and utilizing the coordinated operation of battery packs, cooling units, and PCS energy storage converters, the problem of grid fluctuations was solved, achieving efficient storage and release of electrical energy, and improving grid stability and battery pack performance.

CN224289316UActive Publication Date: 2026-05-26SHANGHAI CHINT POWER SYST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI CHINT POWER SYST CO LTD
Filing Date
2025-05-08
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing power grids suffer from slow response times and high carbon emissions in dealing with the intermittency of renewable energy and the volatility of electricity demand. An energy storage system is needed to store and release electrical energy in order to reduce grid volatility.

Method used

An energy storage system was designed, comprising a battery pack in the first compartment, a cooling unit in the second compartment, a PCS energy storage converter in the third compartment, and a low-voltage power distribution system in the fourth compartment. Through precise power conversion and temperature control, the system enables the storage and release of electrical energy, thereby reducing grid fluctuations.

Benefits of technology

It improves the stability and power quality of the power grid, reduces grid volatility, enhances the operating efficiency and reliability of the power system, extends the service life of battery packs, and reduces energy conversion losses.

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    Figure CN224289316U_ABST
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Abstract

This utility model belongs to the field of energy storage container technology and discloses an energy storage system. The energy storage system includes a first compartment, a second compartment, a third compartment, a fourth compartment, and a fifth compartment. The first compartment stores a battery pack. The second and third compartments are located at one end of the first compartment along a first direction and are arranged side-by-side along a second direction. A cooling unit is installed in the second compartment to reduce the temperature inside the first compartment. The fourth and fifth compartments are located at the other end of the first compartment along the first direction and are stacked along a third direction. A PCS energy storage converter is installed in the fourth compartment and is electrically connected to the battery pack. This utility model is capable of storing or releasing electrical energy according to the actual situation of the power grid, reducing the fluctuation of the power grid.
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