부분방전 UHF 신호의 변압기 투과 특성

To Apply a UHF PD detecting method to power transformer, we carry out a simulation and experiment on electromagnetic wave propagation characteristics. Frequency domain measurement of propagation loss for ultra high frequency (UHF) partial discharge in the winding of power transformer using a simulation tool and experiment process is presented. We compared the result of the simulation result and experimental results of transformer mock-up windings, modeled 154㎸ 20㎹A power in KEPCO substation.