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Prefabricated Battery Container Liquid Cooling System for Energy Storage Power Station

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Prefabricated Battery Container Liquid Cooling System for Energy Storage Power Station

Contact us today for the perfect temperature control solution

 

The energy storage system of the energy storage power station generally adopts an outdoor prefabricated cabin-type integrated installation method. The large-capacity energy storage battery and the supporting battery cluster control unit, power distribution, fire protection and HVAC systems are integrated and installed in a prefabricated battery container. The battery generates a lot of heat during charging and discharging. In order to ensure the efficient, safe and stable operation of the battery pack, it is necessary to strictly control the ambient temperature in the prefabricated battery container. At present, the commonly used temperature control method mainly adopts multiple industrial/domestic split air conditioners, but due to the low energy efficiency of split air conditioners, the power consumption due to temperature control is relatively large, accounting for about 15% of the storage capacity of prefabricated battery containers. The output power of the energy storage power station is greatly reduced. In addition, multiple split air conditioners are arranged in a single prefabricated battery container, which increases the failure rate of equipment and increases the difficulty of operation and maintenance. Therefore, it is of great significance to reduce the cost and increase the efficiency of the energy storage power station to find a new cooling solution for the prefabricated battery container of the energy storage power station, reduce the energy consumption of the temperature control system and the difficulty of operation and maintenance.

 

Prefabricated Battery Container Liquid Cooling System for Energy Storage Power Station

 

Our company has proposed a liquid cooling system for prefabricated battery containers of energy storage power stations, which can effectively reduce system investment and power consumption of refrigeration systems while ensuring the required ambient temperature in prefabricated battery containers, and improve the power output efficiency of energy storage power stations.

Energy storage liquid cooling system

Liquid cooling is a thermal management scheme after the power of heat-generating products develops to a certain stage, and a large amount of liquid fluid participates in the heat transfer process. The liquid cooling system is a thermal management system that uses pipelines and other channels to transport liquid fluids, and is often used in equipment such as energy storage containers.

The liquid cooling system generally adopts the design scheme of flowing liquid supply from front to back, that is, the fluid flows into the system uniformly from the liquid inlet, and then flows to different branches in sequence along the length of the liquid inlet pipe to cool down different parts of the equipment, and finally Then gather to the liquid outlet pipe and flow out uniformly. However, the existing liquid cooling system has the problem of unbalanced flow distribution, which can easily cause excessive temperature differences in different parts of the equipment.

The liquid cooling system provided by our company, by setting the liquid inlet pipe group as a liquid inlet horizontal pipe and a liquid inlet vertical pipe, and setting the liquid outlet pipe group as a liquid outlet horizontal pipe and a liquid outlet riser, the liquid can pass through the liquid inlet The horizontal pipe flows to multiple cooling groups arranged in an array, flows through the liquid inlet riser to multiple cooling units arranged at intervals in the vertical direction, and then flows out through the liquid outlet riser and the liquid outlet horizontal pipe to provide different parts in the three-dimensional space. thermal management. Moreover, the length of the liquid outlet sections of different cooling units (that is, the length of the liquid outlet from the liquid outlet of the cooling unit to the liquid outlet of the liquid outlet horizontal pipe) is adjusted by adding the middle liquid outlet pipe to adjust the outlet of different cooling units. The resistance of the liquid section can achieve the purpose of increasing or reducing the flow of different cooling units. Specifically, connecting the liquid inlet end of the central liquid outlet pipe between the two ends of the liquid outlet standpipe can increase the original flow rate. The liquid outlet section of the cooling unit to reduce the flow rate, shorten the liquid outlet section of the cooling unit with a small original flow rate to increase the flow rate, and finally balance the flow allocated to each cooling unit, so that the equipment using the liquid cooling system of this technology, Its different parts have a good and balanced heat dissipation effect.

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