Capacitance and tan δ measuring equipment for high voltage insulation modelling and simulation

Capacitance and tan δ measurements are usually carried out to check the healthiness of an insulation. Measuring equipment based on different methodologies to test insulation in cables, transformer bushings etc. are available. This paper presents the development of such a measuring equipment for a high voltage (HV) laboratory of a University. The design is divided into three parts as filter unit, test unit, and the measuring unit. These units are separately modeled and simulated using software (MATLAB and PSpice). Filter unit and the test unit are combined to analyze the results through simulation. Simulation results are used to improve the design.