Abstract Introduction of series capacitors in transmission lines can cause problems with reliability and security of distance protection, due to problems such as current inversion, voltage inversion and sub-synchronous oscillation. Distance protection is widely used for transmission lines and has desirable features not available from traditional alternatives, which has motivated attempts to adapt it to work better with series capacitors. Research and development in overcoming the challenges using distance protection in series compensated lines have also been actively pursued during this period. Thus there is a need to summarize and systematically categorize developments, to show recent trends and highlight further research opportunities. This paper aims to fill that gap by a thorough literature survey of distance protection of series compensated lines, including a clear background of the problems that need to be solved. The scope of this work is limited to distance protection schemes that work with local measurements only. It is observed that the developments in this domain are largely concentrated on voltage drop estimation across capacitor bank, phasor estimation and adaptive protection schemes. This work will provide an overview of the latest developments for experienced researchers and will be a reference for new researchers interested in this domain.

中文翻译：

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串联电容补偿线路距离保护的最新进展回顾

摘要 在输电线路中引入串联电容器会由于电流反相、电压反相和次同步振荡等问题而导致距离保护的可靠性和安全性问题。距离保护广泛用于传输线，并具有传统替代方案所不具备的理想特性，这促使人们尝试对其进行调整以更好地与串联电容器配合使用。在此期间，还积极致力于克服在串联补偿线路中使用距离保护的挑战的研究和开发。因此，有必要对发展进行总结和系统地分类，以展示最近的趋势并突出进一步的研究机会。本文旨在通过对串联补偿线路的距离保护进行彻底的文献调查来填补这一空白，包括需要解决的问题的明确背景。这项工作的范围仅限于仅适用于本地测量的距离保护方案。据观察，该领域的发展主要集中在电容器组两端的电压降估计、相量估计和自适应保护方案上。这项工作将为有经验的研究人员提供最新发展的概述，并将成为对该领域感兴趣的新研究人员的参考。据观察，该领域的发展主要集中在电容器组两端的电压降估计、相量估计和自适应保护方案上。这项工作将为有经验的研究人员提供最新发展的概述，并将成为对该领域感兴趣的新研究人员的参考。据观察，该领域的发展主要集中在电容器组两端的电压降估计、相量估计和自适应保护方案上。这项工作将为有经验的研究人员提供最新发展的概述，并将成为对该领域感兴趣的新研究人员的参考。