voltage sag detection

基本解釋

The detection and location of the start point and end point of the voltage sag and swell is a key problem for the power quality monitoring.
對于短時低電壓擾動發(fā)生、恢復(fù)時刻的檢測與定位則是電能質(zhì)量監(jiān)測和統(tǒng)計(jì)中獲取相關(guān)指標(biāo)首先要解決的問題。
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Aiming at the problem of voltage sag with phase jump, considering phase jump based on instantaneous reactive theory minimum energy compensating voltage detection algorithm is proposed.
在此基礎(chǔ)上，針對伴有相位跳變的電壓跌落問題，提出UPQC串聯(lián)側(cè)基于瞬時無功功率理論考慮相位跳變的最小能量補(bǔ)償電壓檢測方法。
At present dynamic voltage restorer(DVR) is an effective device to deal with the voltage sag. Exact detection of voltage sag characteristics is the precondition of DVR's normal working.
動態(tài)電壓恢復(fù)器（DVR）是目前解決供電電壓凹陷問題的有效裝置，對電壓凹陷特征量的準(zhǔn)確檢測是DVR正常運(yùn)行的前提。