backup protection

常見例句

A new scheme for transformer backup protection based on longitudinal comparison principle is proposed.
提出了一種基於縱聯(lián)比較原理的變壓器後備保護(hù)新方案。
The traditional protection has some shortcomings: long operation time of backup protection, not distinguishing overload from fault of line and so on.
傳統(tǒng)保護(hù)存在後備保護(hù)動(dòng)作時(shí)間過長(zhǎng)和不能區(qū)分線路過載與故障等不足。
For backup protection against high resistive ground faults, there will be a dual polarized directional overcurrent relay, inverse time with instantaneous trip attachment.
對(duì)於後備保護(hù)裝置防止高阻抗接地故障，將配置一衹雙極方曏過電流繼電器，同瞬時(shí)跳牐附件的時(shí)間成反比。
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