Question

Q1(A) A ten-stage Cockcroft-Walton, driven by a 75 KHz Peak Voltage of 160 KV, with Capacitors of 330 pF, and a Load Current of 18 mA, compute for the following: A. Ripple Voltage B. No-Load Output Voltage C. Percentage Ripple Voltage Drop Percentage Voltage Regulation D

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Answer 1

* 10 - Stage Cockeroft - Walton of stages (n) = 10 Number Vp = 160 KV f = 75 kHz C = 330 pF Load Current (Iz) = 18mA TAT Ripple Voltage Il non+1) fo 2 = 18x103 X 10x (10+1) 75X103x330 X1012 2 = 40 kv Ripple Voltage = 40 kV

<B> No Load Output Voltage VNL an Vp = 2 X10 X 160 kV VAL = 3200 KV Tey Percentage Percentage Repple Ripple in Voltage X1004 VNL » 40k X100 .. 3200k 1.25.10

Voltage Drop 1= I1. [{n++ą] fXC = 18x103 3 *10 +10 +10 2 192440 75X10*3 x 330xio VD = 5,224X105 V VD 52.24 kV KE) .fo of Voltage Regulation % R VD xloo to VNL 52.24KV X100 V. 3200 kv 4. R = 1.633.10

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