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<p>　　西門(mén)子變頻調(diào)速控制系統(tǒng)是一種利用半導(dǎo)體電力變流器對(duì)交流電動(dòng)機(jī)進(jìn)行變頻調(diào)速控制的交流調(diào)速系統(tǒng)，其特點(diǎn)是優(yōu)越于直流傳動(dòng)控制系統(tǒng)，在很多場(chǎng)合中都被作為首選的傳動(dòng)方案，現(xiàn)代變頻調(diào)速基本都采用16位或32位單片機(jī)作為控制核心，從而實(shí)現(xiàn)全數(shù)字化控制，調(diào)速性能與直流調(diào)速基本相近，但使用變頻器時(shí)，其維護(hù)工作要比直流復(fù)雜，一旦發(fā)生故障，企業(yè)的普通電氣人員就很難處理。因此，如何正確及時(shí)地排除變頻器使用過(guò)程發(fā)生的故障問(wèn)題，成為一項(xiàng)重要的研究課題。</p> <p>　　<strong>油田<a href="http://www.zglcfn.cn/product/BIANPINQI/">西門(mén)子變頻器</a>常見(jiàn)故障</strong></p> <p>　　油田生產(chǎn)由于處于特殊的生產(chǎn)環(huán)境，不少變頻調(diào)速控制長(zhǎng)期工作在野外或簡(jiǎn)易房?jī)?nèi)，變頻器的工作環(huán)境相對(duì)較差，對(duì)變頻器的運(yùn)行可靠性提出了更高的要求。常見(jiàn)故障一般有：參數(shù)設(shè)置類(lèi)故障、過(guò)壓類(lèi)故障、過(guò)流類(lèi)故障、過(guò)載類(lèi)故障、欠壓類(lèi)故障、過(guò)熱類(lèi)故障、輸出不平衡類(lèi)故障、外圍控制電路器件故障以及其它類(lèi)故障等。</p> <p><strong>　　油田西門(mén)子變頻器故障處理</strong></p> <p>　　一、參數(shù)設(shè)置類(lèi)故障</p> <p>　　在使用過(guò)程中變頻器能否滿(mǎn)足用戶(hù)系統(tǒng)的要求，其參數(shù)設(shè)置非常重要，如果參數(shù)設(shè)置不正確，變頻器便不能正常工作。</p> <p><strong>　　1、西門(mén)子變頻器的參數(shù)設(shè)置</strong></p> <p>　　西門(mén)子變頻器生產(chǎn)廠(chǎng)在進(jìn)行變頻器出廠(chǎng)調(diào)試時(shí)，對(duì)變頻器的每一個(gè)參數(shù)都設(shè)有一個(gè)默認(rèn)值，這些默認(rèn)參數(shù)值一般被稱(chēng)作工廠(chǎng)值。當(dāng)用戶(hù)使用的變頻器是在這些參數(shù)值下工作時(shí)，則用戶(hù)能以面板操作方式使變頻器正常運(yùn)行。但是，實(shí)際情況往往是面板操作并不能完全滿(mǎn)足大多數(shù)用戶(hù)傳動(dòng)系統(tǒng)的要求。所以，用戶(hù)在正確使用變頻器之前，必須要對(duì)變頻器參數(shù)的默認(rèn)值進(jìn)行如下幾個(gè)方面的辨識(shí)和重新設(shè)置：</p> <p>　　(1)確認(rèn)電機(jī)的功率、電流、電壓、轉(zhuǎn)速、最大頻率等參數(shù)(這些參數(shù)可以從電機(jī)銘牌中查得)是否與默認(rèn)值相符，如果不符時(shí)則要對(duì)默認(rèn)值進(jìn)行重新設(shè)置;</p> <p>　　(2)確認(rèn)變頻器采取的控制方式(即速度控制、轉(zhuǎn)矩控制、pid 控制或其他控制方式)后，一般還需要根據(jù)控制精度進(jìn)行靜態(tài)或動(dòng)態(tài)辨識(shí);</p> <p>　　(3)設(shè)定變頻器的啟動(dòng)方式，一般變頻器在出廠(chǎng)調(diào)試時(shí)設(shè)定為面板啟動(dòng)，用戶(hù)可以根據(jù)實(shí)際情況選擇自己的啟動(dòng)方式，可以用面板、外部端子、通訊等方式;</p> <p>　　(4)給定信號(hào)的選擇，一般變頻器的頻率給定也可以有多種方式，面板給定、外部給定、外部電壓或電流給定、通訊方式給定等，當(dāng)然對(duì)于變頻器的頻率給定也可以是這幾種方式的一種或幾種方式的綜和。</p> <p>　　當(dāng)正確設(shè)置以上參數(shù)之后，變頻器基本上能正常工作，如要獲得更好的控制效果則只能根據(jù)實(shí)際情況修改相關(guān)參數(shù)。</p> <p>　<strong>　2、西門(mén)子變頻器參數(shù)設(shè)置類(lèi)故障的處理</strong></p> <p>　　一旦發(fā)生了參數(shù)設(shè)置類(lèi)故障時(shí)，西門(mén)子變頻器都不能正常運(yùn)行，這時(shí)可根據(jù)產(chǎn)品說(shuō)明書(shū)對(duì)參數(shù)設(shè)置進(jìn)行修改。如果修改后仍不行，則最好是把所有參數(shù)恢復(fù)到出廠(chǎng)值，然后按上述步驟重新設(shè)置，注意每一個(gè)公司的變頻器其參數(shù)恢復(fù)方式也不盡相同。</p></div> </div> </div> <div id="1616161" class="spaces"></div> </div> </div> </div> <script language="JavaScript" src="count.php?contentid=2463"></script> ? <div id="1666666" class="flink"> <strong>友情鏈接：</strong> <a href="http://www.zglcfn.cn/product/shukong/" onclick="$.get('link/count.php?linkid=6')" target="_blank">西門(mén)子伺服數(shù)控</a><span>|</span> <a href="http://www.zglcfn.cn" onclick="$.get('link/count.php?linkid=8')" target="_blank">西門(mén)子變頻器模塊</a><span>|</span> <a href="http://www.zglcfn.cn/" onclick="$.get('link/count.php?linkid=9')" 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