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Load Flow studies ~Math

  1. Nov 25, 2015 #1

    Can anyone tell me how sine and cosine came in ,above .(To the last of the attachment pic)

    Thank you.

    Attached Files:

  2. jcsd
  3. Nov 25, 2015 #2


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    A angle T is A cos T + A sin T. In other words, things at an angle have sin and cos components. Complex power is about "real and imaginary" (I hate those terms) components. I'd rather say that complex power is about 2 dimensional vectors with sin and cos components.
  4. Nov 25, 2015 #3
  5. Nov 25, 2015 #4
    Is there an 'i' with that?!

    A<T = AcosT + iAsinT

    And isn't this equal to Ae^(iT) ??!
  6. Nov 25, 2015 #5


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    rectangular and exponential notation of complex numbers.
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