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      星火專注于無線互感器、智能家居、戶外使用開合式互感器、羅氏線圈互感器等項目

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      二次互感器 微型電流互感器

      零售價
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      市場價
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      瀏覽量:
      1000
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      產品描述
      參數
      使用綜述
      * 使用場合:一般使用于計量儀表內,做為儀表的二次互感器,由A轉換成mA電流,供儀表使用;
      * 產品特點:尺寸小,準確級高。
       
      技術參數
      * 電流范圍: 5-200A;
      * 二次信號: 2mA-200mA
      * 耐壓等級: 2/3KV;
      * 額定頻率: 50/60HZ;
      * 阻燃特性: UL94-V0;
      * 使用環境: -25℃至50℃。
       
      Type A: Dual pins, usually smaller in size and smaller in current range, usually using ultra-fine crystal cores with higher precision;  Type B: Four-pin parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Type C: Front and rear parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Class D: Three-pin, usually use silicon steel wound core, so the accuracy is not as good as the ultra-microcrystalline core, but the load capacity is strong.
      A類:雙針腳,通常尺寸較小,電流范圍也小,通常使用超微晶鐵心,精度較高;
      Type A: Dual pins, usually smaller in size and smaller in current range, usually using ultra-fine crystal cores with higher precision;  Type B: Four-pin parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Type C: Front and rear parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Class D: Three-pin, usually use silicon steel wound core, so the accuracy is not as good as the ultra-microcrystalline core, but the load capacity is strong.
      B類:四針平行針腳,通常電流從大到小,通常使用超微晶鐵心,故精度較高;
      Type A: Dual pins, usually smaller in size and smaller in current range, usually using ultra-fine crystal cores with higher precision;  Type B: Four-pin parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Type C: Front and rear parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Class D: Three-pin, usually use silicon steel wound core, so the accuracy is not as good as the ultra-microcrystalline core, but the load capacity is strong.
      C類:前后平行針腳,通常電流從大到小,通常使用超微晶鐵心,故精度較高;
       
      Type A: Dual pins, usually smaller in size and smaller in current range, usually using ultra-fine crystal cores with higher precision;  Type B: Four-pin parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Type C: Front and rear parallel pins, usually the current is from large to small, usually using ultra-microcrystalline iron core, so the accuracy is higher;  Class D: Three-pin, usually use silicon steel wound core, so the accuracy is not as good as the ultra-microcrystalline core, but the load capacity is strong.
      D類:三針腳,通常使用硅鋼卷繞鐵心,故精度沒超微晶鐵心好,但帶載能力強。
       
      尺寸性能

      類別

      產品規格

      額定輸入

      建議匝比

      負載

      準確度

      尺寸

      (最大輸入)

      A

      B

      C

      D

      Z

      P

      A

      T

      Q

      mm

      mm

      mm

      mm

      mm

      mm

      A

      wctΦ4.5

      5(20)

      1000

      10

      0.2

      19.2

      20

      11

      4.5

      12

       

      A

      WCTΦ5

      5(20)

      1000

      10

      0.2

      19

      18

      10.5

      5

      12

       

      B

      WCTΦ5.6

      5(20)

      1000

      10

      0.2

      19

      20

      11

      5.6

      6.4

      15.2

      B

      WCTΦ7

      5(40)

      2500

      20

      0.1

      23.7

      24.5

      11

      7

      15\19

      10

      B

      WCTΦ8.9

      20(80)

      2500

      50

      0.1

      26.4

      28.2

      17

      8.9

      15\19

      16

      C

      WCTΦ7.5

      10(60)

      2500

      20

      0.1

      23.5

      24.5

      11.2

      7.5

      18

      8

      C

      WCTΦ13.2

      30 (90)

      2500

      50

      0.1

      37.7

      28.5

      14

      13.2

      24.7/33

      13

      D

      WCTΦ9.5

      20 (60)

      1000

      100

      1.0

      23.8

      23.8

      11.1

      9.5

      15.24

      7.62

      D

      WCTΦ11.4

      30(90)

      1000

      100

      1.0

      30.2

      30.3

      14.3

      11.4

      20.32

      10.16

      D

      WCTΦ14.6

      S30(150)

      1000

      100

      1.0

      38.1

      38.1

      15.9

      14.6

      33

      10.16

      D

      WCTΦ19

      100(150)

      1000

      100

      1.0

      44.5

      44.5

      14.3

      19.05

      35.56

      10.16

      D

      WCTΦ23.

      8150(200)

      1000

      100

      1.0

      55.6

      55.6

      20.6

      23.8

      45.72

      12.7

       

      典型應用

      img

      使用方法一:
      典型應用電路如圖1所示。二次負載基本為0?;ジ衅鲬x用0負載互感器。通過運算放大器,用戶可以調節反饋電阻R值在輸出端得到所要求的電壓輸出。而電容C及電阻r是用來補償相位差的。如用戶使用軟件補償或不需要補償相位差的場合,電容C及電阻r可以不接。圖中運算放大器為通用運算放大器;圖1中反饋電阻R的精度與輸出電壓的精度要求有關;D1、D2二極管為1N4148起保護用,可以不接;C0為抗干擾電容,電容根據的電路及運放技術參數來定,否則會引起輸出信號振蕩。
       
      img
      使用方法二:
      典型應用電路如圖2所示。并電阻R直接可以得到輸出電壓。V0=R*I0;R建議使用推薦值,太高容易飽和。圖2中C可以起到一定的相位補償作用,無相位要求可以不加 。
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