變壓器繞組的直流電阻測試是變壓器在交接、大修和改變分接開關后,必不可少的試驗項目。通過測量變壓器繞組的直流電阻,可以檢查出引線的焊接或連接質量,繞組有無匝間短路或開路,以及分接開關的接觸是否良好等情況。在以前對直阻的測量均采用QJ44雙臂電橋來測量,而這類電橋的測量電流為毫安級,測量起來時間需要很長,而且精度也較低。為了改變這種狀況,縮短測量時間以及減輕測試人員的工作負擔。
LBQ-II 漏電保護器測試儀【上海雙旭】
LBQ-II 漏電保護器測試儀【上海雙旭】
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上一篇 ZD801高壓開關動特性測試儀(斷路器)【上海雙旭】 http://www.uoncy.cn/product/d54292.html
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