Analysis of the Effect of Different Damped Forms on the High Voltage Frequency Domain Spectroscopy Characteristics of Oil-Paper Insulation
摘要
The transformer is particularly important for the safe and reliable operation of State Grid, and different damped form has a significant impact on the state of the transformer. The results show that the real part of the frequency domain spectroscopy(FDS) of single-layer and double-layer dry or damped oil-immersed pressboard decrease with increasing applied voltage at the same test frequency point , and the value of the dielectric loss curve increases with increasing applied voltage at the same test frequency point, while the value of both the real part and dielectric loss curve increases with increasing applied voltage at the same test frequency point for the partially damped samples.