It discusses a kind of method of fast detection for reactive power. It can reduce reactive power rush and solve voltage bicker change caused by power active violent change.

论述了无功功率的一种快速检测方法。减少无功功率的冲击，解决了矿热炉在生产过程中由于功率变化剧烈而引起的电压闪变。

youdao

For the operation of dynamic voltage restorer, fast and exact detection of voltage sag characteristics is very important.

快速、准确地检测出系统电压跌落的特征量是动态电压恢复器运行的前提条件。

youdao