常見(jiàn)例句雙語(yǔ)例句It can compel the output voltage to be positive sequence voltage source.它具有強(qiáng)制輸出端電壓為同步的正序基波電壓源的特點(diǎn)。In the paper, the reduced single phase short-circuit current equation expressing as positive sequence impi dance only is showed.文中還提出了低壓系統(tǒng)中只用正序阻抗表達(dá)的單相短路電流的簡(jiǎn)化計(jì)算公式。Measures, such as the floating of threshold, braking by positive sequence current, driving up the threshold during power swing, etc are suggested to prevent th.采用浮動(dòng)門檻、正序電流制動(dòng)和靜穩(wěn)破壞后提高動(dòng)作門檻值的方法，來(lái)防止系統(tǒng)振蕩時(shí)誤啟動(dòng)。 返回 positive sequence