Life Estimation of Water Treed XLPE Cables by Very Low Frequency Voltage Withstand Test

Katsumi Uchida; Yoichi Kato; Masahiko Nakade; Daisuke Inoue; Hiroyuki Sakakibara; Hideo Tanaka

doi:10.1541/ieejpes1990.120.11_1382

Abstract

Authors have developed a new life estimation method for water treed 22-77 kV XLPE cables based on a very low frequency (VLF) voltage withstand test. Breakdown tests under ac and VLF were carried out, using model cables and service aged XLPE cables. Based on the breakdown tests, we calculated optimal test voltage for remaining life estimation. Recently, we had on-site testing.

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