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福州聚福興自動化有限公司專業(yè)代理各品牌產(chǎn)品，以工業(yè)自動化為主營，集科，工，貿(mào)于一體的 全民科研開發(fā)，技術(shù)改造，工程服務(wù)中心，常年備有大量庫存，是全國大的自動化公司之一。公司總部設(shè)在福州，在 全國各大城市都設(shè)有銷售服務(wù)網(wǎng)絡(luò)。目前，在全國各地基本上都有物流。我司常年不間斷的備有1億庫存。本著龐大的銷售服務(wù)網(wǎng)絡(luò)，以及客戶至上的宗旨，為廣大新老用戶提供、高效的服務(wù)
隨著西門子變頻器的大力推廣后以及用戶對西門子變頻器的口碑傳播后，使得西門子變頻器在市場上受到群眾的大力追捧，不過用戶都會根據(jù)自己的實際工藝要求和運用場合選擇不同類型的西門子變頻器，那么在選擇西門子變頻器時，選擇者應(yīng)該注意些什么問題呢？選擇西門子變頻器應(yīng)該從哪些方面進行選擇呢？本文將給大家一一講解。
對于這個問題，我們需要從不用的角度進行分析和選擇。1、從變頻器負載特性上面進行選擇
一般從負載特性進行選擇的，都是類似于吹風(fēng)機等一下電氣，那么對這類型的，建議選擇西門子變頻器的mmv/mdv、mm420/mm440。
2、實際電動機電流值作為變頻器選擇的依據(jù)
應(yīng)充分考慮變頻器的輸出含有豐富的高次諧波，會使電動機的功率因數(shù)和效率變差。因此，用變頻器給電動機供電與用工頻電網(wǎng)供電相比較，電動機的電流會增加10%而溫升會增加20%左右。所以在選擇電動機和變頻器時應(yīng)考慮到這種情況，適當(dāng)留有余量，以防止溫升過高，影響電動機的使用壽命。
3、考慮西門子變頻器的緊湊型
推薦SINAMICS G120C緊湊型變頻器，在許多方面為同類變頻器的設(shè)計樹立了典范。包括它緊湊的尺寸，便捷的快速調(diào)試，簡單的面板操作，方便友好的維護以及豐富的集成功能都將成為新的標(biāo)準(zhǔn)。
我們在來看看對于選擇西門子變頻器我們應(yīng)該注意那些事項呢？
1、變頻器若要長電纜運行時，此時應(yīng)該采取措施抑制長電纜對地耦合電容的影響，避免變頻器出力不夠。所以變頻器應(yīng)放大一、兩擋選擇或在變頻器的輸出端安裝輸出電抗器。
2、當(dāng)變頻器用于控制并聯(lián)的幾臺電動機時，一定要考慮變頻器到電動機的電纜的長度總和在變頻器的容許范圍內(nèi)。如果超過規(guī)定值，要放大兩擋來選擇變
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152H-C480XBD-59-8B
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152H-C480XBD-59-8B
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152H-C480XBD-59-8B
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