绝缘管型母线的发展现状及研究动向

Development Status and Research Trend of Insulated Tubular Bus

绝缘管型母线作为一种替代传统矩形母线的新型输电设备,具有载流量大、机械强度高、电气绝缘性能好及节省占地空间等显著特点,已有几十年的运行历史和经验,而在中国应用相对较晚,对其认知程度也相对滞后。文中在分析现有3种型式绝缘管型母线典型结构特点的基础上,简述了绝缘管型母线的性能优势和应用领域,总结了当前绝缘管型母线在国内外的发展和研究现状,以及在生产、安装、运行等环节存在的问题。认为今后的研究方向及发展趋势是对绝缘管型母线进行综合性能优化提升研究,有效抑制当前故障频发的现状,提高其运行的安全性和可靠性。

As an alternative to traditional rectangular bus, insulated tubular bus has the characteristics of large cur- rent carrying capacity, high mechanical strength, strong electrical insulation properties and space saving. Insulated bus is a new type of power transmission equipment with several decades of operating history and experience overseas. However, it＇s applied relatively later in China, and its cognition level is also relatively backward. Based on analyz- ing the typical structures of three types of insulated tubular bus, the performance advantages and application fields of insulated tubular bus are briefly stated. And then this paper summarizes the current development and research sta- tus of insulated tubular bus in China and abroad, as well as the problems in production, installation and operation. Finally, it is concluded that the future research direction and development trend is to improve the comprehensive per- formance of the insulated tubular bus, to restrain the current situation of frequent failures effectively, and to improve the operational reliability of such equipment.