Fig. 1 (a) shows the schematic diagram of the proposed composite cooling system for energy storage containers. The liquid cooling system conveys the low temperature coolant to the cold plate of the battery through the water pump to absorb the heat of the energy storage battery during the charging/discharging process.
An energy storage temperature control system is proposed. The effect of different cooling and heating conditions on the proposed system was investigated. An experimental rig was constructed and the results were compared to a conventional temperature control system.
Commonly used fluids include silicone oil, transformer oil, hydrofluoroether ether, etc. Compared with indirect liquid cooling, it can save space and costs and reduce overall weight, but from the perspective of energy consumption, direct liquid cooling systems require more energy since the coolant has a high viscosity .
The average daily energy consumption of the conventional air conditioning is 20.8 % in battery charging and discharging mode and 58.4 % in standby mode. The proposed container energy storage temperature control system has an average daily energy consumption of 30.1 % in battery charging and discharging mode and 39.8 % in standby mode. Fig. 10.
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