Transmission power cables PD detection at damped AC voltages

E. Gulski, S. Meijer, J. Smit, F. Wester, P. Seitz
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引用次数: 10

Abstract

This contribution presents new method for on-site PD diagnosis on HV transmission power cables. To on-site energize and to ignite partial discharges in transmission power cables, damped AC voltages up to 250 kV are generated. As a result, sensitive partial discharges detection and PD site location is possible. The developed system as well as PD measurements are shown to demonstrate the principles of this on-site diagnosis on HV transmission cables.
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交流阻尼电压下传输电缆PD检测
为高压输电电缆现场PD诊断提供了新的方法。为了在现场激励和点燃传输电缆中的局部放电,产生高达250千伏的阻尼交流电压。因此,敏感的局部放电检测和PD位置是可能的。开发的系统以及PD测量显示了高压传输电缆现场诊断的原理。
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Transmission power cables PD detection at damped AC voltages Improvements to the performance of silicone rubber housed composite bushings by means of a resistive coating Further experience in the use of existing RTDs in windings of motors generators for the measurement of partial discharges Effect of thermally stimulated discharges on partial discharges and tree growth in PMMA A review of artificial contamination withstand test methods of high voltage outdoor insulators
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