Unbalanceprotection is one of the most important protection functions in the high voltage capacitor protection scheme. It can reflect the faulty capacitor element directly.
电容器不平衡保护直接反应电容器内部元件的损坏情况，是高压电容器保护中最重要的保护功能之一。
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The effect of track circuit unbalance current to the signal device in the electrified section and protection schemes are introduced in the paper.