Transformer modeling as applied to differential protection

A. Guzman, D. Hou, S. Zocholl
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引用次数: 32

Abstract

This paper presents a power transformer model to evaluate differential element performance. The paper analyzes transformer energization, overexcitation, external fault and internal fault conditions with this model. Test results with an actual transformer validate the model. The paper includes a guide for properly selecting current transformers for differential protection applications. Accurate power transformer modeling and proper current transformer selection leads to improved transformer protection.
变压器建模应用于差动保护
本文提出了一种电力变压器差分元件性能评估模型。利用该模型分析了变压器的通电、过励磁、外部故障和内部故障情况。实际变压器的测试结果验证了模型的正确性。本文包括正确选择差动保护用电流互感器的指南。准确的电力变压器建模和正确的电流互感器选择可以提高变压器的保护效果。
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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