polarity test

基本解釋

Ratio and polarity test of CT is the important work in the inspection of transformer protection.
CT變比和極性的測定是變壓器保護檢驗工作的重要組成部分。
The polarity test of vibroseis before its construction is directly relative to the polarity of acquired data.
可控震源施工前的震源極性驗證工作直接關系到采集資料的極性。
The end electrical field distribution under polarity reverse test voltage of valve winding in converter transformer is calculated. The results are analyzed.
計算了換流變壓器閥側繞組在極性反轉試驗電壓下端部電場的分布情況，并對計算結果進行了分析。