动态电压恢复器(DVR)对线路电压的跌落迅速作出响应，并通过储能装置(如蓄电池)恢复电压波形的失去部分。

A dynamic voltage restorer (DVR) instantly reacts to drop in line voltage and restores missing portion of waveform from an energy storage device (eg. battery).

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本文介绍新研制的水电站蓄电池充电装置的原理，线路设计及充电曲线等。

Introduces a new battery charging system designed for hydroelectric power generation stations, with descriptions on its installation specification, circuit design, charging curve, etc.

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