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Is it possible to calculate the natural frequency of power transformer?

April 26, 2017CALCULATE Frequency natural possible power transformer

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Is it possible to calculate the natural frequency of power transformer?

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The answer is positive if the user has obtained the various stray capacitances of the transformer. The first natural frequency, around 8-12 kHz, may be easily calculated by an equivalent circuit. The second and higher frequencies are usually difficult to obtain analytically.