Summary

Polarization and depolarization current (PDC) measurement is a nondestructive method based on the dielectric relaxation response theory. By analysing the dielectric response information from the polarization and depolarization current, the insulation status can be diagnosed. In this paper, oil-immersed paper samples with different aging levels are prepared by thermally accelerated aging at 150? for different durations. All of these samples are tested by PDC diagnosis under different temperature respectively, to clarify the effects of aging and temperature on polarization and depolarization currents.

Additional informations

Publication type ISH Collection
Reference ISH2015_457
Publication year
Publisher ISH
File size 360 KB
Price for non member Free
Price for member Free

Authors

Shen Yu, Wang Yanbo, Yang Fan, Zhao Aixuan, Zhang Xing, Deng Junbo, Zhang Guanjun

DIAGNOSIS OF OIL-IMMERSED PAPER INSULATION UNDER DIFFERENT TEMPERATURE AND AGING STATE USING POLARIZATION/DEPOLARIZATION CURRENT
DIAGNOSIS OF OIL-IMMERSED PAPER INSULATION UNDER DIFFERENT TEMPERATURE AND AGING STATE USING POLARIZATION/DEPOLARIZATION CURRENT