减少铁路架空线路中性短节维护的创新工程解决方案

Ishant Jain, Raghav R. Upasani
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引用次数: 0

摘要

这项工作旨在解决与高速动车组架空线路短中性段(SNS)开发相关的挑战。短中性线段的一个重要功能是在交流牵引的不同阶段之间提供电气隔离。这些区段通常位于牵引变电站和分段柱附近。目前的 SNS 设计存在几个问题,包括受电弓起弧、架空线路系统磨损以及定期维护时需要手动旋转。为了应对这些挑战,我们采用了 TRIZ 这一解决问题的方法,利用创造性原则来产生创新解决方案。这项工作概述了几种 TRIZ 工具和技术的使用,包括交互矩阵、功能分析、功能体图 (FBD)、修剪和矛盾矩阵 [1]。通过应用这些工具,作者提出了几种改进 SNS 设计的潜在解决方案,以消除定期维护和服务。其中一个建议方案涉及使用分段式架空线路系统和绝缘圆筒状离散绝缘子,以确保受电弓的平稳接触。另一种解决方案是使用基于扭曲条带的绝缘子,以旋转运动取代直线运动,从而消除了手动旋转的需要。这项工作强调,在评估这些解决方案的可行性时,必须考虑设计、材料、磨损率、维护和爬电距离等各种因素。通过利用 TRIZ 生成创新解决方案,作者展示了该方法在推动创新和克服高速轨道短中性段开发过程中的复杂挑战方面的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Innovative Engineering Solutions for Short Neutral Section Maintenance Reduction in Railway Overhead Lines
This work addresses the challenges associated with the development of short neutral sections (SNS) for overhead lines of high-speed moving trains. A crucial function of a short neutral section is to provide electrical isolation between the different phases of AC traction. These sections are typically located in proximity to the traction substation and sectioning posts. The current SNS design presents several issues, including pantograph arcing, wear and tear of the overhead line system, and the need for manual rotation during periodic maintenance. To address these challenges TRIZ is used, a problem-solving methodology that leverages inventive principles to generate innovative solutions. The work outlines the use of several TRIZ tools and techniques, including the Interaction Matrix, Functional Analysis, Function-Body Diagram (FBD), Trimming, and the Contradiction Matrix [1]. With the application of these tools, the author presents several potential solutions for improving the SNS design to eliminate periodic maintenance and services. One proposed solution involves the use of a segmented overhead line system with an insulating cylinder-shaped discrete insulator to ensure smooth contact of the pantograph. Another solution involves the use of a twisted strip-based insulator to replace linear motion with rotating movement, eliminating the need for manual rotation. The work emphasizes the importance of considering various factors, such as design, material, wear rate, maintenance, and creepage distance, when evaluating the feasibility of these solutions. By leveraging TRIZ to generate innovative solutions, the author demonstrates the potential of this methodology to drive innovation and overcome complex challenges in the development of short neutral sections for high-speed rails.
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