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    電梯能量回饋

    電梯能量回饋
    產品型號:BKFL80X0XXCE

    電源電壓:三相220V/380V/660V

    回饋電壓:300V-400V 600V-680V 1100V-1200V(可設置)

    頻率范圍:45Hz-65 Hz

    匹配功率:7.5KW-45KW


    0.00
    0.00
    產品型號:
      

    電梯能量回饋
    產品型號:BKFL80X0XXCE

    電源電壓:三相220V/380V/660V

    回饋電壓:300V-400V 600V-680V 1100V-1200V(可設置)

    頻率范圍:45Hz-65 Hz

    匹配功率:7.5KW-45KW


    電梯能量回饋介紹:
         電梯能量回饋把電機調速等過程中所產生的再生電能回饋到電網,避免了采用常規能耗式制動單元因電 阻發熱而造成的能量損耗,從而達到可觀的節能效果,也可以實現風力、太陽能等的并網發電。 
         電梯能量回饋通過電動機和變頻器轉化成直流電能,并由發熱電阻消耗掉。通常電梯在輕載上行,重載下行中多余的機械能(含勢能、動能),在使用電梯能量回饋裝置節能后,能有效的將原本電阻側消耗的直流電能轉換為交流電能并回送到電網。
         電梯運行中多余的機械能(含勢能和動能),通過曳引機和變頻器轉換成直流電能儲存在變頻器直 流回路中的電容中,能量回饋有效地將電容中儲存的直流電能轉化成交流電,并回送給局部交流電網供 周邊其他用電設備使用,節電率高達15~40%;同時無電阻發熱元件,機房溫度下降,大大節省了機房 空調和降溫設備的耗電量。
     
    功能特性:
         有效的將儲存的直流電能轉換成交流電能回送到電網,制動產生的能量得到回收利用,系統效率提高;
         實時回饋電能累計計量,節電率達到15%- -45%;
         無電阻發熱元件,減少空調以及排風設施的使用,機房環境溫度降低;
         不改變電梯原有控制方式,與原系統互為冗余,系統運行更安全可靠;
         可擴展功能口”動態無功補償SVG ,提高電機有功功率因數,效率高,回饋與補償-鍵切換;自帶電機補償功能,諧波低,無干擾;

    應用場合:
         適用于各種品牌的垂直升降電梯,適用于國內外主流曳引機品牌。

    測試原理 :
         測量時按圖接好電表,電表要用”反接反計數”的感應式電表,集中用2個小時以上的時間,控制電梯空箱上行、下行,循環動作,直至總耗電量在3度以上為最佳;
         測試時注意檢查下其中一一個電表在上行時表盤會反轉且度數會減少,下行時表盤會正轉,否則應檢查所選電表是否合適。(節電表的計量依據回饋單元的數據)。 
    能量回饋

      

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