In mass production of sealed lead acid battery, partial products fail because of serious opencircuit voltage (OCV) loss during storage.
在某型号密封铅酸蓄电池的批量生产中，出现贮存期间部分电池因开路电压显著下降而失效的现象。
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Firstly, this paper shows a method to detective the opencircuitloss and the load loss of the there-phase power transformer online by operating the real-time voltage and current of the transformer.