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A DC and AC voltmeter are used to measure the output voltage of...

A DC and AC voltmeter are used to measure the output voltage of a filter circuit connected to full wave rectifier circuit operating at 60Hz, supplying load of 5hp DC Motor (1hp=0.75kW). The readings of the two voltmeters are 250V and 2.0V respectively. Calculate 


a) The ripple factor of the filter. 

b) The value of filter capacitor.

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Answer #1

Dc meter measure average value and AC meter measure rms

(a) Ripple factor 등 Vor -12-1 Vo (250 12-1 Ripple factor = 124.99 (6) Filter Capacitor cig P = she f = 60Hz C: 54F

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