Comparative Study of Liquid Insulating Materials for High Voltage Transformer

2019 2nd International Conference on High Voltage Engineering and Power Systems (ICHVEPS) Pub Date : 2019-10-01 DOI:10.1109/ICHVEPS47643.2019.9011143

Alvin Daniel Sorimuda Ritonga, Yulia Erina Sari, S. Suwarno

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引用次数: 3

Abstract

In recent years, the latest technology, Gas-to-liquid (GTL) has been developed as an alternative to mineral oil. Natural ester oil is derived from vegetable oil. It is biodegradable, non-toxic, non-flammable, and has a higher breakdown voltage. Compared to conventional mineral oils and natural ester oils, GTL based oils are designed with a high level of composition and consistent performance, high purity, excellent resistance to degradation and are essentially sulfur free. In this study, GTL oil, mineral oil and natural ester oil will be compared in performance. Tests carried out for GTL oil, mineral oil and natural ester oil are tests of color scale and appearance, acid content, viscosity, moisture or water content, dielectric losses, breakdown voltage, and Dissolved Gas Analysis (DGA). Increased contaminants and free radicals cause an increase in dielectric losses and a decrease in oil resistivity. In addition, a strong correlation was found between the relative water content of oil and the breakdown voltage.

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高压变压器用液体绝缘材料的比较研究

近年来，最新的气转液(GTL)技术被开发出来作为矿物油的替代品。天然酯油是从植物油中提取的。它是可生物降解，无毒，不易燃，并具有较高的击穿电压。与传统矿物油和天然酯油相比，GTL基油具有高水平的成分和一致的性能，高纯度，优异的抗降解性，并且基本上不含硫。本研究将对GTL油、矿物油和天然酯油的性能进行比较。对GTL油、矿物油和天然酯油进行的测试包括色标度和外观、酸含量、粘度、水分或含水量、介电损耗、击穿电压和溶解气体分析(DGA)。污染物和自由基的增加导致介电损耗的增加和油电阻率的降低。此外，发现油的相对含水量与击穿电压之间有很强的相关性。

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2019 2nd International Conference on High Voltage Engineering and Power Systems (ICHVEPS)

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