Dielectric Loss Tangent Measurement based on Oscillating Wave Test System

As a non-destructive method for detecting the state of electrical equipment, dielectric loss detection has important guiding significance for the evaluation of the insulation performance of electrical equipment. However, current methods of measuring dielectric loss have large errors. In order to solve the limitation of dielectric loss angle measurement, this paper proposes a new method of dielectric loss angle measurement, which combines the voltage waveform data extracted during the oscillation wave test, and obtains the dielectric loss tangent value through post-analysis and processing. Simulation analysis verifies the effectiveness of the measurement method.