Derivation and Evaluation of Transfer Function of Output Voltage to Input Voltage Amplitude in Cockcroft-Walton Circuit

Abstract

The Cockcroft-Walton (CW) circuit is implemented in high-voltage low-current apparatuses such as electron beam irradiation devices and insulation testing devices. This study focuses on the effect of the output voltage waveform on the changes in the input voltage amplitude. The transfer function of the output voltage corresponding to the input voltage amplitude is theoretically derived based on the CW circuit operation modes. The transfer function is evaluated through numerical and experimental analysis performed on a prototype system. In future works, we will develop a transfer function which includes the effect of the junction capacitance of the diodes.