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Q. The following data were obtained on a 25- kVA, 2400:240-V, 60-Hz, single-phase distribution transformer:
• Open-circuit test with meters on LV side: 240 V, 3.2 A, 165 W
• Short-circuit test with meters on HV side: 55 V, 10.4 A, 375 W
Compute the worst voltage regulation and the power factor at which it occurs, when the transformer is delivering rated output at rated secondary terminal voltage of 240 V. Sketch the corresponding phasor diagram.
how double diffraction occur at the surface
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Circuit with inductive load Electromagnetic induction When a conductor is moved across a magnetic field so as to cut by the lines of force (or flux, an electromotive force
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(a) Consider the following transmission line with the reactance X1 placed across the input. It is being driven with a frequency ω such that the length of the line is λ/4. W
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