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  • 今天是2019年3月19日 星期二,歡迎光臨本站 安徽佑賽科技股份有限公司 網址: www.ls0834t.com

    選型方法

    步驟一:計算設備容量

    1.1確定APF類型

    1)以3次諧波為主的民用、醫療開關電源類諧波源,此類選擇L4型或模塊化APF、壁掛式。

    2)以5711次諧波為主的工業整流變頻類諧波源,此類選擇L3型或模塊化APF

    3)在負荷電流大幅波動或工況環境差的場合不適合模塊化、壁掛式APF

    1.2確定諧波源電流畸變率THDi%

    負載類別

    電流畸變率

    負載類別

    電流畸變率

    變頻空調

    6~34%

    客戶電梯

    15~30%

    十二脈沖整流器

    10~12%

    開關電源

    20~30%

    UPS

    10~25%

    六脈沖整流器

    28~38%

    電子鎮流器

    15-18%

    中頻感應加熱電源

    30~35%

    LED

    15~20%

    變頻器

    33~50%

    CT、核磁共振、DSA

    30~40%

    加速器、X光機、腸胃機

    50~60%

    1.3確定諧波源工作電流I

    統計主要諧波源額定工作電流I,如系統中數臺大功率變頻器的工作電流。

    1.4估算諧波電流值,確定APF容量

    Ih(諧波電流值)=THDi%(電流畸變率)*I(工作電流),諧波電流值即為APF容量。

    估算值可適量擴大1.2倍以避免設備長期滿負荷運行或系統大功率啟停等對設備造成的影響。

    注:如圖紙信息、諧波源信息未知,可根據各行業經驗值進行估算。   

    諧波I類場合

    電流畸變率10%~15%

    諧波II類場合

    電流畸變率15%~20%

    諧波III類場合

    電流畸變率20%~35%

    醫院辦公樓

    LED

    煤礦

    煙草

    辦公樓

    大型超市

    汽車充電站

    風電廠

    銀行證券

    商業廣場

    玻璃廠

    藥業

    住宅樓

    影院

    汽車制造

    鋼鐵

    寫字樓

    娛樂場所

    印刷

    冶金

    酒店

    電視演播中心

    電鍍廠

    污水處理

    學校

    會展中心

    石油化工

    港口

    隧道類照明

    食品加工

    軌道交通

    體育館

    造紙

    焊接

    圖書館

    電子加工

    雷達基站

    舞臺劇場

    塑料加工

    機械加工

    醫技樓

    發電廠

    交通類照明

    紡織

    Ih(諧波電流值)=THDi%(電流畸變率)*I(總負載電流

    步驟二:確定尺寸

    根據步驟一得出的APF類型(L3型、L4型、模塊化)以及APF容量選配相應尺寸、數量設備。

    立柜式L3/L4型尺寸

    產品型號

    電壓等級(kV

    補償容量(A

    產品尺寸(寬**高)mm

    L3

    L4

    UAPFL500.4

    0.4-1kV

    50

    800*800*2200

    UAPFL1000.4

    100

    800*800*2200

    UAPFL1500.4

    150

    800*1000*2200

    UAPFL2000.4

    200

    1000*1000*2200

    UAPFL3000.4

    300

    1000*1000*2200

     

    模塊化尺寸  

    產品型號

    電壓等級(kV

    補償容量(A

    產品尺寸(寬**高)mm

    UAPFM0500.4

    0.4-1kV

    50

    600*800*2200

    UAPFM1000.4

    100

    UAPFM1500.4

    150

    UAPFM2000.4

    200

    UAPFM2500.4

    250

    UAPFM3000.4

    300

    UAPFM4000.4

    400

       

    壁掛式尺寸

    產品型號

    電壓等級(kV

    補償容量(A

    產品尺寸(寬**高)mm

    UAPFB0500.4

    0.4-1kV

    50

    480*600*280

    UAPFB0750.4

    75

    UAPFB1000.4

    100

    步驟三:確認型號

    注:選型如有疑問,請電話咨詢我們。

    在線客服
    咨詢電話:
    400-1553-600

    請掃描二維碼
    打開手機站

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