Block diagram of 1.2 MV/50 mA symmetrical Cockcroft-Walton generator driven by 50 Hz. C1, C2, and C3: coupling capacitor; Cs: smoothing capacitor, Cs(1) = Cs(2) = Cs(3) = Cs; d1, d2 and d3; D1, D2 and D3: rectifier; R1, R2 and R3; Rs(1), Rs(2) and Rs(3): current-limiting resistor; Rd: current-limiting resistor of rectifier; Rc: measuring resistor; Rx: damping resistor; Ta: regulating transformer; L: inductor; T1 and T2: step-up transformer; M1: amperemeter for load current measurement; M2: amperemeter for output voltage measurement.
Voltage drop vs load current of the SCW generator.
Voltage ripple vs load current current of SCW generator.
High voltage and load current waveforms of the SCW generator at 1.2 MV/50 mA output.
Output voltage of SCW generator having different number of stages.
Voltage ripple of SCW generator having different number of stages.
Phase diagram of U L and output voltage of the SCW generator.
(a) Charge circulation during d→a. (b) Load discharging. (c) Charge circulation during b→c.
Input voltage and current waveforms.
Conductance and susceptance vs load current.
Numbers for the N-stages circuit.
Symbols of the rectifiers and their backward voltages.
Comparison of theory and simulation about rectifiers’ connection.
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