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In: Electrical Engineering

A Cockroft-Walton type voltage multiplier has 6 stages with capacitances, each having a value of 0.15μF....

A Cockroft-Walton type voltage multiplier has 6 stages with capacitances, each having a value of 0.15μF. the voltage multiplier is supplied using a step u high voltage transformer with the secondary voltage at 250 kV(rms) at a frequency of 120 Hz. The load current to be supplied is 5 mA.
i. Sketch neatly this 6 stage voltage multiplier.
ii. Calculate the percentage ripple.
iii. Determine the regulation.
iv. Find the optimum number of stages for minimum regulation or voltage drop. The ripple factor and
v. Suggest how the ripple and regulation can be minimized.

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