电力系统保护与控制Issue(7)：97-102,6.
发电机失步保护整定计算所用的等值联系电抗Xcon研究--与现行《大型发电机变压器继电保护整定计算导则》商榷
Research on equivalent contact reactance X con setting calculation for generator out-of-step protection--discuss with Guide of Calculating Settings of Relay Protection for Large Generator and Transformer
张项安 1姚晴林 1陈海龙1
作者信息
- 1. 许继电气股份有限公司，河南 许昌 461000
- 折叠
摘要
Abstract
The calculation formula of equivalent reactance Xcon between generator and infinite system for generator out-of-step protection in the current"Guide of Calculating Settings of Relay Protection for Large Generator and Transformer"is improper, it is questionable. This paper has researched this problem deeply and obtained the correct method of the Xcon setting calculation for generator out-of-step protection, and compared the X con values calculated by the proposed calculation method and the"guidelines"calculation method in the same oscillation of the system condition, the results show that the"guidelines"setting calculation method may lead to the out-of-step protection maloperation, and the proposed setting calculation method can ensure the out-of-step protection reliable operation.关键词
失步保护/发电机失步保护/联系电抗/系统电抗Key words
out-of-step protection/generator out-of-step protection/contact reactance/system reactance分类
信息技术与安全科学引用本文复制引用
张项安,姚晴林,陈海龙..发电机失步保护整定计算所用的等值联系电抗Xcon研究--与现行《大型发电机变压器继电保护整定计算导则》商榷[J].电力系统保护与控制,2014,(7):97-102,6.
