Innovative distribution feeder protection and control schemes using new capabilities of microprocessor relays

59th Annual Conference for Protective Relay Engineers, 2006. Pub Date : 2006-06-19 DOI:10.1109/CPRE.2006.1638692

M. Vaziri, F. Brojeni, E. Shulman, M. Thakur

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引用次数: 3

Abstract

Currently distribution feeder protection and control (P&C) schemes are designed using previous generation of the microprocessor relays, electromechanical switches, and separate annunciation and metering panels. This paper describes development of an innovative redundant protection and control schemes utilizing the state of the art features offered by the new microprocessor relays for distribution feeder application for one of the major utilities in the United States. In the process of designing and implementing this new distribution P&C schemes, there were numerous challenges. Special consideration and efforts were extended to comply with the utility's philosophies in relay redundancy, reclosing practices, underfrequency load shedding, overfrequency restoration and protection against "single phasing" conditions in the fused bank applications. The paper also discusses the operational experiences gained from the feeder installations employing this scheme, which validates the merits in the engineering approach as well as design and implementation

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采用微处理器继电器新功能的创新配电馈线保护和控制方案

目前配电馈线保护和控制(P&C)方案是使用上一代微处理器继电器，机电开关和单独的报信和计量面板设计的。本文描述了一种创新的冗余保护和控制方案的发展，利用新的微处理器继电器为美国的一个主要公用事业的配电馈线应用提供的最先进的功能。在设计和实施这种新的分配损益方案的过程中，存在许多挑战。为了符合公用事业公司在继电器冗余、重合闸、低频减载、过频恢复和防止熔合堆应用中的“单相”情况保护方面的理念，进行了特别的考虑和努力。本文还讨论了采用该方案的馈线装置的运行经验，验证了该方案在工程方法以及设计和实施方面的优点

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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59th Annual Conference for Protective Relay Engineers, 2006.

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