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    貝殼電氣產品專欄四--可編程雙向直流電源
    來源: | 作者:id1401203 | 發布時間: 2018-05-25 | 1740 次瀏覽 | 分享到:
           隨著我國對新能源汽車的扶持力度加大,新能源汽車已經駛入了快速軌道,對于整車企業來說,電機是整車的心臟,也是必不可少的測試環節,采用我司雙向可編程電源可為被測試電機與測功機提供精準雙向寬范圍直流電源,有效提高測試效率并節約電能。
         
    2017年,由深圳貝殼電氣公司投資的西安分公司:西安冠特宸電源系統有限公司正式成立。
    西安冠特宸電源系統有限公司依托于西安優秀的技術人才優勢,結合于深圳企業的科學管理方法,始終將技術產品創新和經營管創新共同作為企業發展的動力源。

    產品應用:

    用于新能源汽車試驗,汽車拖動試驗裝置,用于兩套永磁同步電機驅動系統的供電及能量回收。永磁同步驅動系統輸出為直流,原實際應用為連接動力電池包,現采購的此電源需要模擬系統在動力電池包供電情況下工作狀況,但不需要模擬電池內阻及SOC等電池特性。

    原理概述:
    BKS系列雙向直流測試電源是一種采用兩極變換架構的IGBT式高精度(整流/逆變)特點是對電網的污染小,功率因素可達0.99。THD和注入諧波電流滿足國際GB/T1454-93中的要求,大功率產品單機可達MW級,加DC/DC載波移相雙級電路、高可靠性、可編程、自動雙向運行的直流電源。其直流輸出特性具有高精度及高動態響應特性,并具有向電網回饋能量的功能。采用全數字控制,控制精度高、響應速度快、輸出調節范圍廣。輸出具有可編程功能,專為新能源汔車行業的電機控制器、驅動電機、整車測試開發的測試電源。

    1525253679751623.png
    工作原理:
    一次回路拓撲如下圖所示,整機共由三級構成,隔離    交直流變換直流變換。交直流變換采用PWM整流技術,實現了高功率因數、低諧波并網,有效降低了對電網的二次污染;直流變換采用先進的三相交錯技術,使得直流輸出端紋波非常低,從而為負載提供高質量高可靠的雙向直流源。
    1525253472546265.png
    應用領域:

    1、電動汽車電機、控制器測試 

    2、儲能系統變流器測試 

    3、 電動汽車傳動系統、動力總成系統測試 

    4、電池組、電池包充放電測試 

    5、特殊電動車輛傳動系統、動力總成系統測試 

    6、UPS、EPS系統測試 

    7、艦船電傳動、電驅動系統測試 

    8、直流屏系統測試 

    9、電機系統測試 

    10、替代真實電池供電測試場合 

    11、充電機、充電樁測試


    能量回饋

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