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  1. C

    transformer efficency problem

    you are a absolute star many thanks for your help
  2. C

    transformer efficency problem

    original 1x.75=0.75 .10-0.75=0.65 so 65/75x 100= 86.6
  3. C

    transformer efficency problem

    99.86% i hope
  4. C

    transformer efficency problem

    ok i think ive got it know many thanks again
  5. C

    transformer efficency problem

    so how would it be if a transformer has a rated power of 1kva and a power factor of 0.75 and the losses are 100watts
  6. C

    transformer efficency problem

    many many thanks
  7. C

    transformer efficency problem

    hi all i have been asked the question ( below ) and cant find the formula anywhere any help would be greatly appreciated. a transformer has a rated power of 24kva and a power factor of 0.95 and the losses are 1400 watts calculate the overall efficency.
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