智能抗晃電模塊

發(fā) 布：2024-06-17 瀏覽：315

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產(chǎn)品詳情

HDA-SDVR系列智能抗晃電模塊能有效治理晃電現(xiàn)象造成的低壓接觸器意外脫扣，在提高低壓供電系統(tǒng)穩(wěn)定性的同時，通過旁路工作模式也保障了系統(tǒng)的可靠性。實際生產(chǎn)過程中，由于“晃電”引起交流接觸器釋放，導致了電機停轉(zhuǎn)，進而造成工藝連鎖停機，連續(xù)生產(chǎn)過程被迫中斷。輕者大量物料放空、報廢，重者造成設(shè)備損壞，甚至引起爆炸、火災(zāi)等事故，給企業(yè)造成巨大的經(jīng)濟損失。

“晃電”產(chǎn)生的機理和危害

“晃電”---電網(wǎng)由于雷擊、對地短路、發(fā)電廠故障及其他外部、內(nèi)部原因造成電網(wǎng)短時間故障、電網(wǎng)電壓短時大幅度波動、甚至短時斷電數(shù)秒鐘的現(xiàn)象，俗稱“晃電”。

未標題-1_畫板 1

企業(yè)低壓電機控制多采用交流接觸器，當電壓低至接觸器的額定工作電壓55%~65%時，并持續(xù)10~50ms，交流接觸器將釋放，導致低壓電機停轉(zhuǎn)。

未標題-1_畫板 1 副本

當“晃電”過程中，由于電網(wǎng)電壓的波動導致連續(xù)生產(chǎn)裝置的關(guān)鍵低壓電動機停止運行（如風機、泵、空壓機等關(guān)鍵設(shè)備），在工藝條件允許的時間內(nèi)電網(wǎng)電壓恢復正常，如果這些因“晃電”而停機的低壓電動機不能迅速的啟動起來，將會對連續(xù)的生產(chǎn)造成危害。輕則裝置連鎖停車，工藝條件破壞，產(chǎn)生大量不合格的殘次品或廢品；重則需要重新開車，造成大量的物料排空，形成巨大的損失；嚴重的（如聚變裝置等）甚至會造成爆炸的惡性事故。

技術(shù)參數(shù)

交流功耗：	＜2VA
接觸器線圈電壓：	AC220(380)V±15%
防晃電時間范圍：	0.2~5秒可調(diào)
再啟動時間范圍：	0~100秒可調(diào)
適用接觸器范圍：	各種類型的接觸器，規(guī)格為9A~630A
最高溫度：	﹢45℃
最低溫度：	﹣25℃
月平均氣溫：	﹢35℃
相對濕度：	≤90%
海拔高度：	≤2000m

規(guī)格型號

HDA-SDVR-100適用于接觸器抗晃電保護

HDA-SDVR-200適用于變頻器軟啟動器抗晃電保護

抗晃電模塊

*尺寸變化恕不通知，以實際交貨產(chǎn)品為準；如需更詳細技術(shù)資料，請致電HDAELEC.

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