保护系统用电流互感器选择指南

2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262) Pub Date : 2001-07-15 DOI:10.1109/PESS.2001.970105

L. Kojovic

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引用次数: 16

摘要

如果电流互感器(CT)特性没有正确选择故障条件，将发生饱和，继电器可能会误操作。为了帮助保护工程师选择合适的CT, IEEE发布了两份关于CT性能和应用的文件。本文比较了这两份文件的指导方针，并提出了修改建议，使CT选择更容易，更真实地估计CT到饱和时间。

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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Guidelines for current transformers selection for protection systems

If current transformer (CT) characteristics are not properly selected for fault conditions, saturation will occur and relays can misoperate. To help protection engineers select the appropriate CT, the IEEE published two documents on CT performance and application. This paper compares the guidelines in these two documents and suggests modifications that will make CT selection easier and more realistically estimate CT time-to-saturation.

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2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262)

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