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降壓啟動自藕變壓器 QZB降壓啟動自藕變壓器

 
 
單價 面議對比
詢價 暫無
發貨 上海付款后3天內
過期 長期有效
更新 2011-12-29 20:06
 

上海振肖科技有限公司

企業會員第14年
資料未認證
保證金未繳納
  • 上海
  • 上次登錄 2011-12-29
  • 武偉 (先生)  
詳細說明


QZB降壓起動自耦變壓器介紹:

  在起動自耦變壓器降壓起動過程中,起動電流與起動轉矩的比值按變比平方倍降低。在獲得同樣起動轉矩的情況下,采用QZB起動自耦變壓器降壓起動從電網獲取的電流,比采用電阻降壓起動要小得多,對電網電流沖擊小,功率損耗小。所以起動自耦變壓器被稱之為起動補償器。換句話說,若從電網取得同樣大小的起動電流,采用QZB起動自耦變壓器降壓起動會產生較大的起動轉矩。這種起動方法常用于容量較大、正常運行為星形接法的電動機。且是按照非連續工作制設計制造的,故不允許頻繁操作。此系列QZB起動自耦變壓器匹配的電動機功率為:30~14000KW

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