描述

變頻控制柜的設(shè)計(jì)

變頻控制柜電氣原理圖設(shè)計(jì)合理：變頻器上口不加漏電保護(hù)器、下口不加接觸器（無變頻工頻轉(zhuǎn)換）、電容、變頻柜有散熱風(fēng)扇、變頻器不用上口接觸器控制啟停

3）變頻柜內(nèi)元器件的布局

變頻柜內(nèi)器件的合理布局和有效距離，要有足夠的散熱空間，走線合理

4）變頻器參數(shù)的合理設(shè)置

變頻器的啟動(dòng)停止要合理不要用上口接觸器控制啟停、根據(jù)需要設(shè)置自由停車或減速停車。變頻器的加速減速時(shí)間、變頻器內(nèi)電機(jī)參數(shù)

5）變頻器的保養(yǎng)

變頻器要適時(shí)清灰保養(yǎng)。保養(yǎng)要清除變頻器內(nèi)部和風(fēng)路內(nèi)的積灰，臟物，；在保養(yǎng)的同時(shí)要仔細(xì)檢查變頻器，察看變頻器內(nèi)有無發(fā)熱變色部位，水泥電阻有無開裂現(xiàn)象，電解電容有無膨脹漏液防爆孔突出等現(xiàn)象，PCB板有否異常，有沒有發(fā)熱燒黃部位。保養(yǎng)結(jié)束后，要恢復(fù)變頻器的參數(shù)和接線，送電，帶電機(jī)工作在3Hz的低頻運(yùn)行，以確保變頻器工作正常。

6）變頻器合理使用：變頻器不宜頻繁啟停，變頻器是電子產(chǎn)品如長(zhǎng)時(shí)間放置使用前適當(dāng)充電；雨季防雷，防潮，變頻器在地下潮濕環(huán)境不使用可以帶點(diǎn)防潮。

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