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http://dx.doi.org/10.21289/KSIC.2022.25.3.333

Development of Smart ICT-Type Electronic External Short Circuit Tester for Secondary Batteries for Electric Vehicles  

Jung, Tae-Uk (Dept. of Electrical Engineering of Kyungnam University)
Shin, Byung-Chul (JM System Co., Ltd.)
Publication Information
Journal of the Korean Society of Industry Convergence / v.25, no.3, 2022 , pp. 333-340 More about this Journal
Abstract
Recently, the use of large-capacity secondary batteries for electric vehicles is rapidly increasing, and accordingly, the demand for technologies and equipment for battery reliability evaluation is increasing significantly. The existing short circuit test equipment for evaluating the stability of the existing secondary battery consists of relays, MCs, and switches, so when a large current is energized during a short circuit, contact fusion failures occur frequently, resulting in high equipment maintenance and repair costs. There was a disadvantage that repeated testing was impossible. In this paper, we developed an electronic short circuit test device that realizes stable switching operation when a large-capacity power semiconductor switch is energized with a large current, and applied smart ICT technology to this electronic short circuit stability test system to achieve high speed and high precision through communication with the master. It is expected that the inspection history management system based on data measurement, database format and user interface will be utilized as essential inspection process equipment.
Keywords
Electric Vehicle; Secondary Battery; External Short Circuit Tester; Electronic Short Circuit Tester;
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