Impulse Voltage Generation Using MATLAB/Simulink and its Integration in Undergraduate High Voltage Engineering Course

Abstract

Increase in demand for electrical energy has led to increase in both the size and capacity of electrical power system. The quality of the power system relies on the reliability of its apparatuses such as transformer, transmission lines, insulators, circuit breakers etc. The transient voltage caused due to internal or external abnormalities may affect the health of the equipment or the insulation. The insulation of such equipments must be tested under the given artificial lightning or switching overvoltages to find the insulation’s transient voltage withstanding capacity before making it to the part of the system. This paper describes MATLAB/Simulink implementation of Multi-stage impulse voltage generator circuit used to generate the impulse voltages of 1.2/50μs or 250/2500μs in high voltage laboratories for testing the impulse voltage withstanding capacity of insulation and equipment. This model is simulated to enrich the practical skills of undergraduate students in high voltage generation techniques. The suggested technique has been successfully united into high voltage engineering course at CHARUSAT University, Changa, Gujarat, India. Keywords- Marx Impulse Voltage Generator, Impulse Voltage Wave, MATLAB .