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<div>　　在使用过程中难免会出现故障，因此对于变频器使用者来说，懂得一些<strong>变频器维修</strong>的相关知识相当重要，这样可以避免出现一些不必要的麻烦。<br /> </div><div>　　<strong>变频器维修</strong>的两点建议：<br /> </div><div>　　一、当变频器坏了以后，最好不要交给没有维修经验的人修理，否则可能越修越坏。有时快熔断了，一定要检查?？槭欠裼形侍?，有的没有经验，马上装上一个好的快熔(绝对不能用铜线代替)，结果是变频器烧毁，按我们的经验，如果快熔断则?？榇蠖嘤形侍?，但?？榛悼烊鄄灰欢ǘ?。很多变频器功率模块、整流?？槭强苫ハ嗵婊坏?，如果一定要买原型号的，有可能买不到或价格高。<br /> </div><div>　　二、我们在维修变频器过程中，经常碰到有些工厂自己维修后又炸掉的变频器，而且损坏比原来更严重，更难维修。经检查，原来他们用的维修过的?？椤Ｎ薰哪？橛靡潜砗苣鸭觳獬隼矗鞑问?，但由于其内部接线粗糙，晶体管的密封硅脂打开后没法封好。这样的?？橛械哪苡眉父鲈?，有的一开机就炸毁。维修过的模块由于是打开后回又装回，所以仔细辨认还是可看出，其用502胶水粘住铜片，摸上去比较硬。而且原装?？榈慕罕冉瞎饣?、柔软。维修过的?？橛捎谝宓衾锩娴墓柚鼓？楸涑煽招?，这时敲打其铜片发出的声音是不同的，也可把损坏的?？椴鹂纯唇酉呤欠翊植?。有的假?？槭橇硖昵┑?，从这个型号变成另一个型号，把电流小的贴成电流大的，甚至把耐压低的贴成耐压高的。现在标签印刷技术越来越仿真，但只要与原装的?？樽邢付员纫幌禄故强煽闯龅摹?/div> </div> <div id="26eegq2qmwyy" class="ny_PrevNext"> <ul> <li>上一篇：<a href="/Article-3561301.html">常见的直流调速器的检修方法</a></li> <li>下一篇：<a href="/Article-3632633.html">西门子6RA80励磁板维修步骤</a></li> </ul> </div> </div> </div> </div>   <div id="26eegq2qmwyy" class="pc_foot"> <div id="26eegq2qmwyy" 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