Energy storage system and thermal management control method thereof
An energy storage system and control method technology, applied to electrical components, electrochemical generators, secondary batteries, etc., can solve problems such as uneven temperature of the system, large temperature difference between battery clusters, and low air intake of battery clusters
Pending Publication Date: 2022-08-02
SUNGROW POWER SUPPLY CO LTD
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Problems solved by technology
[0004] In this regard, this application provides an energy storage system and its thermal management control method to solve the problem that the air intake of the existing battery clusters near the air conditioner is small, resulting in a large temperature difference between the battery clusters in the energy storage system, causing the system to fail. uneven temperature phenomenon
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[0050] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. According to the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0051] The embodiment of the present application provides a thermal management control method for an energy storage system, so as to solve the problem that the air intake of the existing battery clusters near the air conditioner is small, resulting in a large temperature difference between the battery clusters in the energy storage system, and unevenness in the system. warm phenomenon.
[0052] See figure 1 , the thermal management contro...
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The invention provides an energy storage system and a thermal management control method thereof, the method can be applied to a thermal management control unit in the energy storage system, and the method comprises the following steps: firstly, determining an inter-cluster temperature difference between a first target battery cluster and a second target battery cluster in the energy storage system; according to the inter-cluster temperature difference, whether cold air far-end accumulation occurs in an air supply duct in the energy storage system or not is judged; if it is judged that cold air far-end accumulation occurs in the air supply duct in the energy storage system, the rotating speed of an air conditioner air feeder in the energy storage system is reduced, that is, whether far-end accumulation occurs in the air supply duct of the energy storage system or not can be judged according to the inter-cluster temperature difference between the battery clusters in the energy storage system; and when it is judged that cold air far-end accumulation occurs, the rotating speed of the air conditioner blower is reduced in time until it is judged that cold air far-end accumulation does not occur in the air supply duct in the energy storage system, and the problem that the temperature difference between battery clusters in the energy storage system is large due to the fact that the air inlet amount of an existing battery cluster close to an air conditioner is small, and the temperature of the system is not uniform is solved.
Description
technical field [0001] The invention relates to the technical field of energy storage control, in particular to an energy storage system and a thermal management control method thereof. Background technique [0002] At present, most of the air-conditioning indoor fans in the energy storage system use fixed-speed fans. The air-conditioning supply air flows in a narrow air supply duct, and the closer to the air-conditioning position, the faster the flow rate. [0003] It can be seen from the Bernoulli effect that the less air entering the battery cluster near the air conditioner, the higher the cell temperature of the battery cluster. Especially for the short air duct system, the cold air will accumulate at the far end of the air conditioner, resulting in various parts of the energy storage system. The temperature difference between battery clusters is large, which causes the phenomenon of uneven temperature in the system. SUMMARY OF THE INVENTION [0004] In this regard, t...
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Login to View More IPC IPC(8): H01M10/633H01M10/617H01M10/613H01M10/6563H01M10/6566H01M10/627
CPCH01M10/633H01M10/617H01M10/613H01M10/6563H01M10/6566H01M10/627Y02E60/10
Inventor 周英杰周杰杨友进柏友顺鞠梦贤
Owner SUNGROW POWER SUPPLY CO LTD