受操作因素影响的110kv气密套管基本绝缘介电损耗正切的最大允许值校正

2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS) Pub Date : 2018-09-01 DOI:10.1109/IEPS.2018.8559523

Shutenko Oleg, Zagaynova Aleksandra

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引用次数: 1

摘要

本文提出了一种应用最小风险法确定高压套管基本绝缘介电损耗正切$(\ mathm {t}\ mathm {g}\delta _{1})$最大允许值的方法。在测量数据不足的情况下，对设备绝缘状况的定期监测结果采用统计数据处理程序。分析了正常运行和故障套管的介质损耗正切分布。规定了介质损耗正切的最大允许值，以确保风险最小。分析了影响$\ mathm {t}\ mathm {g}\delta_{1}$最大允许值的因素。

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Maximum Permissible Value Correction for Dielectric Loss Tangent of 110 kV Air-Tight Bushing Basic Insulation Subject to Operational Factors Impact

The paper presents a maximum permissible value determination technique for dielectric loss tangent $(\mathrm {t}\mathrm {g}\delta _{1})$ of high-voltage bushing basic insulation with application of a minimum risk method. A statistical data processing procedure under insufficient measurement data is applied to results of periodic monitoring of the equipment insulation condition. Dielectric loss tangent distribution is analyzed for operational and faulty bushings. Maximum permissible values of dielectric loss tangent are specified to ensure minimum risk. Factors affecting maximum permissible values of $\mathrm {t}\mathrm {g}\delta_{1}$ are analyzed.

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2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS)

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