In this work, graphene oxide nanoparticles are dispersed in different concentrations in a soyabean extracted natural ester-based oil-blend having mineral oil as secondary oil and the resulting nanofluids are tested for various dielectric and physio-thermal properties. The results show that with the addition of nanoparticles, the breakdown voltage of nanofluids increases up to 42% as compared to pure mineral oil, 17% as compared to pure ester oil and 15% as compared to the base oil-blend. Relative permittivity and dissipation factor parameters follow a similar trend as well. Thus, the prepared nanofluids can be used as alternative insulating oils in place of the conventional mineral oil in oil-filled transformers.

中文翻译：

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变压器用氧化石墨烯分散天然酯绝缘油的研制


在这项工作中，氧化石墨烯纳米颗粒以不同的浓度分散在以矿物油作为辅助油的大豆提取的天然酯基油混合物中，并测试所得纳米流体的各种介电和物理热性能。结果表明，添加纳米颗粒后，纳米流体的击穿电压比纯矿物油提高了 42%，比纯酯油提高了 17%，比基础油混合物提高了 15%。相对介电常数和耗散因数参数也遵循类似的趋势。因此，制备的纳米流体可以用作充油变压器中传统矿物油的替代绝缘油。