Design of a dual-loop liquid cooling system based on an integrated full liquid cooling energy storage cabinet
XIAO Jiawei
CHEN Yuxi
LI Enda
MA Guoshuai
GAO Peng
DING Xiaohang
XIA Zhaoyang
Abstract：This article examines the current status and limitations of the single-loop liquid cooling system in the all-liquid-cooled energy storage cabinet and proposes a dual-loop liquid cooling solution.It outlines the basic structure,control logic,and cooling capacity calculation methods of the dual-loop liquid cooling system,and verifies its cooling performance and energy-saving effect through charge-discharge tests.The test results demonstrate that the dual-loop liquid cooling system maintaining the maximum temperature of the battery cell at≤39.3℃,the average temperature of the battery cell at≤35.3℃,and the insulated gate bipolar transistor(IGBT)measurement point temperature inside the energy storage converter(PCS)is kept at≤67℃,and the cooling performance meets the requirements.Compared to the traditional single-loop liquid cooling system,the dual-loop liquid cooling system can effectively avoid condensation issues in the PCS and achieves an energy-saving rate of 49.39%during the charge-discharge cycles.
Keywords：full liquid coolingintegrated energy storage cabinetdual-loop coolingenergy savingcondensation prevention
Publication Date：2026-02-25
Online Publishing Date：2026-03-13(First online date of this platform, not the publication date of the document)
Pages：6( 30-35 )