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  1. #1
    Join Date
    Nov 2018
    Location
    Saudi Arabia
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    Current transformer

    Can we measured 3amps by CT which have primary 30 A and secondary 5A?

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  2. #2
    Join Date
    Nov 2006
    Location
    Southeastern Pa
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    31,763
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    If you use a A/D converter and a processor, you can infer the true current from nearly any measured current. I think you are trying to do a direct measurement, and I am not sure if that is possible using that CT. The tech people at a place like Digi-Key or Jameco could probably help you with more accuracy.
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    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

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