环保型C5F10O混合气体设备研制现状与展望
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TM 854

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四川省科技计划资助(2023NSFSC0297);国网四川省电力公司科技项目(52199723000K)


Research and Consideration on Equipment Development of Eco friendly C5F10O Mixed Gases
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    摘要:

    电气设备中温室气体SF6对全球气候变暖的影响愈来愈受到重视,新型绝缘介质全氟戊酮C5F10O因优异的环保性能成为本领域的研究热点。纯C5F10O液化温度高,不宜直接在电气设备中应用,需要与液化温度较低的缓冲气体混合使用。文中通过总结C5F10O混合气体理化特性、绝缘特性、放电分解特性及其与电气设备内部常见金属材料的相容特性,发现C5F10O混合气体具有优良的分解特性;通过选择合适的混合方案,选用与C5F10O相容性良好的材料,C5F10O混合气体具备作为绝缘介质在电气设备中应用的潜力。现阶段国内外已经有环保型C5F10O混合气体绝缘设备工程示范应用案例,相关成果可为C5F10O混合气体设备的扩大应用提供支撑,助推中国能源行业绿色低碳转型。

    Abstract:

    The impact of SF6 greenhouse gas on global climate change in electrical equipment is increasingly receiving attention. The new insulating medium, C5F10O, has become a research hotspot in this field due to its excellent environmental performance. C5F10O has a high liquefaction temperature and is not suitable for direct use in electrical equipment. It needs to be mixed with a buffer gas with a lower liquefaction temperature. The physicochemical properties, insulation properties, discharge decomposition properties, and compatibility with common metal materials inside electrical equipment of C5F10O mixed gases are summarized. It is found that C5F10O gas mixture have excellent decomposition characteristics, and by selecting a suitable mixing scheme and materials that are compatible with C5F10O,C5F10O gas mixture has the potential to be used as insulating medium in electrical equipment. At present, there are engineering demonstration applications of environmentally friendly C5F10O gas mixture insulating equipment at home and abroad. The relevant achievements can provide support for the expansion of C5F10O gas mixture equipment applications and promote the green and low-carbon transformation of energy industry in China.

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  • 在线发布日期: 2023-09-05
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