韶钢宽板厂主变差动保护动作的故障分析及改进措施

Failure Analysis of Differential Protection Act of Main Transformer in Shao-Gang Broad Plate Factor and Measures for Improvement

介绍美国SEL-587差动继电器在韶钢宽板主变应用的一般技术性能,并阐述了主变差动保护动作后的判断方法、动作原因分析以及改进措施。

This paper introduces common technical performance of US SEL-587 differential relay used in broad plate main transformer of Shao-Gang, summarizing method of judgment, act reason analysis and measures for improvement following the main transformer differential protection act.