摘要
阐述了无通道保护的基本思想和基本原理,对保护的比值判据进行了分析,针对比值判据不适用于对称故障的问题,提出了对称故障情况下采用电压判据的思路,并具体探讨了对电压判据的设置方法。
This paper describes the basic principles of Non - channel protection and analyzes ratio criterion of the protection. According to ratio criterion not applicable for the symmetrical fault, proposed voltage criterion under the symmetrical fault. Specifically discussed the method of setting the voltage criterion.
出处
《应用能源技术》
2010年第2期6-8,共3页
Applied Energy Technology
关键词
对称故障
无通道保护
比值判据
电压判据
Symmetrical fault
Non - channel protection
Ratio criterion
Voltage criterion
