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    您好,歡迎光臨貝殼電氣官方網站!?                                                                                                                                                                                                           首頁  |  關于我們  |  聯系我們???
    服務熱線
    0755-29810633

    可回饋直流電子負載

    采用兩圾變換,IGBT/PWM電路方式,純數字化控制,技術領先;

    ● 電路結構采用高效SVPWM三相全橋逆變技術,能實現直流能量回饋電網,節能環保;

    ● 50V-1000V寬電壓范圍輸入、控制精度高、動態響應快;

    ● 直流輸入最大電流可達800A


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    采用兩圾變換,IGBT/PWM電路方式,純數字化控制,技術領先;

    ● 電路結構采用高效SVPWM三相全橋逆變技術,能實現直流能量回饋電網,節能環保;

    ● 50V-1000V寬電壓范圍輸入、控制精度高、動態響應快;

    ● 直流輸入最大電流可達800A



    產品簡介


    GHDL系列大功率高精度可回饋直流電子負載,是一款高精度可編程的IGBT式雙極變換的直流電子負載。采用全數字控制,直流輸入高頻開關控制,精度高、響應速度快、直流輸入電壓范圍廣。系統采用SVPWM三相全橋逆變技術,負載吸收能量有效回饋電網,并網諧波污染小,控制簡單,效率高,負載特性好,負載吸收能量并網回饋,回饋效率大于93%。DC-AC變換采用SVPWM三相全橋逆變技術,負載吸收能量有效回饋電網,并網諧波諧波污染小。


    工作原理


    直流充電樁將三相市電變換成直流輸出,直流電子負載通過高頻電路開關精確控制直流充電樁輸出電壓、電流輸出大小,并將負載吸收能量逆變成三相交流電饋入電網,實現電能循環利用。

    主控臺裝有直流電子負載上位機管理軟件,用戶可通過上位機管理軟件遠程監控電子負載運行,編程測試、控制、上位機管理軟件進行實時數據曲線顯示、數據存儲處理,支持數據導入導出等操作。


    產品特點

    ● 采用兩圾變換,IGBT/PWM電路方式,純數字化控制,技術領先;

    ● 電路結構采用高效SVPWM三相全橋逆變技術,能實現直流能量回饋電網,節能環保;

    ● 50V-1000V寬電壓范圍輸入、控制精度高、動態響應快;

    ● 直流輸入最大電流可達800A;

    ● 具有恒流、恒壓、恒阻、恒功率、動態測試等多種負載模擬;

    ● 高效工頻變壓器隔離;

    ● 液晶觸摸屏顯示控制,多種通訊接口;
    ● 具有本地操作、上位機遠程操作功能,配有上位機軟件,具有編程測試、曲線顯示、數據處理、數據存儲、數據導入導出等豐富功能。


    產品運用


    直流電源、充電樁(及充電樁模塊)、動力電池組、儲能燃料電池等測試


    規格參數


    產品型號

    GHDL-100-100

    GHDL-200-300

    GHDL-500-300

    GHDL-750-300

    GHDL-750-500

    GHDL-750-600

    額定功率

    10KW

    30KW

    60KW

    90KW

    150KW

    200KW

    電路方式

    IGBT/PWM脈寬調制方式

    通道數

    1

    直流

    電壓范圍

    20-100V

    50-200V

    50-500V

    50-750V

    50-750V

    50-750V

    額定電壓

    50V

    100V

    200V

    300V

    300V

    400V

    持續最大電流

    200A

    300A

    300A

    300A

    500A

    500A

    負載模式

    恒流、恒阻、恒功率

    負載模

    恒功率型負載

    控制范圍

    0-10KW

    0-30KW

    0-60KW

    0-90KW

    0-150KW

    0-200KW

    控制精度

    ±0.5%·FS+5dgt

    恒流型負載

    控制范圍

    0-200A

    0-300A

    0-300A

    0-300A

    0-500A

    0-500A

    控制精度

    ±0.5%·FS+5dgt

    恒阻型負載

    控制范圍

    依用戶需求設定

    控制精度

    ±0.5%·FS+5dgt

    響應時間

    ≤20ms(額定工況)

    保護

    輸入過壓、輸入過流、防反接、過高溫&短路等保護及告警

    交流側

    相線

    3φ3W+PE

    電網電壓范圍

    380V±10%

    電網頻率范圍

    50±3Hz

    總電流波形畸變率

    <5%(額定功率)

    <3%(額定功率)

    最大回收效率

    > 90%

    > 92%

    電氣隔離

    工頻變壓器隔離


    電壓、電流

    7寸觸摸屏設定并顯示

    顯示精度

    電壓0.1V,電流0.1A


    近程

    7寸觸摸屏設定工作模式、功率、電流、阻值等

    遠程

    通過上位機軟件控制(RS485,以太網),通訊擠議可開放

    通訊接口

    RS485(標配)/LANCAN(選配)

    系統

    顏色

    RAL7035

    絕緣電抗

    ≥DC500V 10M?

    外形重量

    顏色

    RAL7035

    尺寸

    600*700*750

    600*800*1200

    800*800*1400

    1000*800*1800

    1200*1000*2000

    1200*1000*2000

    重量

    <100

    <250

    <450

    <650

    <800

    <1200

    環境
    條件

    安全

    冷卻方式

    強迫風冷

    防護等圾

    IP21(室內)

    環境溫度

    -1045°C

    相對溫度

    10%-90%(非凝結)

    噪音

    70dB

    海拔

    2000m

    絕緣等級

    2500V

    關注微信公眾號

    了解貝殼最新資訊

    好运彩
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