Design of DC high voltage and low current power supply using Cockroft-Walton (C-W) voltage multiplier

Abstract

The high voltage DC power supply widely used for space communication and for industry consist of multistage rectifier circuit. To produce 6KV output voltage, Cockroft-Walton multiplier circuits are applied by reducing number of stages from 1200 into 32 stages without using transformer. With the implementation of this technique, it can minimize the volume of the circuit to be integrated on a single chip and it also can reduce associated power loss in the circuit. By eliminating the transformer method, cost and size for making Cockroft-Walton Voltage Multiplier are reduced. Specification need to be considered for designing a multiplier is size of component must use within the range of expected load current and output voltage The details description of the simulation, design, development and implementation of this works are done using Cadence PSPICE software. Results are present in term of the performances and efficiency.