8-1

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8-1

  1. 1. Single and Three Phase Transformers Learning Outcome 8
  2. 2. Harmonics in transformers
  3. 3. The Sine Wave
  4. 4. General format of the sine wave
  5. 5. Phase relations
  6. 6. Phase relations
  7. 7. Phase relations
  8. 8. Phase relations cos α = sin ( α + 90°) sin α = cos ( α - 90°) -sin α = sin ( α ± 180°) -cos α = sin ( α + 270°) = sin ( α - 90°) sin (- α ) = - sin α cos (- α ) = cos α
  9. 9. Examples

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