The hysteresis coefficient of the core material of a power transformer is 110J/ m3. The eddy current coefficient is 132.87J/m3. The volume of the core is 0.005m3, the thickness of the iron is 0.07 m and the maximum flux density is 1.12T. If the supply frequency is 50 Hz: (a) Determine the hysteresis loss (b) Determine the eddy current loss (c) Determine the core loss of this transformer.
The hysteresis coefficient of the core material of a power transformer is 110J/ m3. The eddy current coefficient is 132.87J/m3. The volume of the core is 0.005m3, the thickness of the iron is 0.07 m and the maximum flux density is 1.12T. If the supply frequency is 50 Hz: (a) Determine the hysteresis loss (b) Determine the eddy current loss (c) Determine the core loss of this transformer.
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The hysteresis coefficient of the core material of a power transformer is 110J/ m3. The eddy current coefficient is 132.87J/m3. The volume of the core is 0.005m3, the thickness of the iron is 0.07 m and the maximum flux density is 1.12T. If the supply frequency is 50 Hz:
(a) Determine the hysteresis loss
(b) Determine the eddy current loss
(c) Determine the core loss of this transformer.
(d) Explain how the eddy currents are generated. Suggest one method to minimise this loss.
(e) Illustrate the hysteresis losses using a fully labelled hysteresis loop.
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