充放电设备炸机原因分析探讨  

Analysis of the causes of explosion of charging and discharging equipment

作　　者：魏晓东 蔡文江 WEI Xiaodong;CAI Wenjiang(Shanghai Skylabs Co.,Ltd.,Shanghai 201112,china)

机构地区：[1]上海新蓦尔检测技术有限公司,上海201112

出　　处：《电气应用》2025年第3期122-128,共7页Electrotechnical Application

摘　　要：以新能源锂电池包的充放电设备为例,探讨了在使用中出现的铜牌功率管等耐压击穿炸机情况,分析了变压器与电抗器在快速切断负载时产生瞬间高压的可能性,阐述了另一种高压浪涌的破坏性,指出了普通硬件过电压保护的局限性,并给出了一个经过应用验证可行的解决方案与设计方法,为解决此类问题开辟了新的途径。In this paper,the charging and discharging equipment of new energy lithium battery packs,as well as the application of bronze power tubes and other voltage breakdown machines,are discussed and analyzed.Specifically,the study focuses on transformers and reactors to address the potential for instantaneous high voltage production when loads are rapidly disconnected.The distinct form of damage from high voltage surges is analyzed,the limitations of conventional hardware overvoltage protection are highlighted,along with a proven solution and design method that offers a new approach to addressing this issue.

关 键 词：耐压击穿 设备内浪涌 大电流电感设备 浪涌保护设计 

分 类 号：TM4[电气工程—电器]