Question

What is output wave of transformer if we give sawtooth pulse

Answer 1

hey mate, here is your answer....

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Using Fourier series we can decompose the square wave, rectangular wave, triangular wave and all periodic wave-forms to a number of sinusoidal wave-forms with frequencies multiplied by fundamental frequency.

All of these harmonic components pass through transformer, if the transformer is an ideal transformer the output waveform will be as same as the input signal, but if the transformer is a real transformer, in its equivalent circuit the voltage drop across the series leakage inductances  is a function of frequency, and for the higher harmonic components, the voltage drop will be higher. This may lead to deforming in the output wave-forms.

And also the harmonic component incorporated with these non-sinosoidal wave-forms lead to higher Foko loss in transformer and as a result higher temperature.

If u want to use these transformation you need to a special kind of Ferrit coil and also need to design the windings with minimum possible leakage inductances.

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