一种智能化母线保护大差高低值判别逻辑分析

Analysis of Large Difference Discrimination Logic for Intelligent Bus Protection

母线保护装置的可靠性关系到电力系统的安全、稳定运行。通过对各主流厂家母线保护装置大差比率制动系数高低值判别逻辑的总结,结合工程实际中遇到的两个较为典型的问题,分析了问题的症结所在,提出了解决方案,并对解决方案进行了理论分析和实例验证,对类似工程有一定的指导意义。

The reliability of bus protection is crucial to operation safety and stability of the power system.By comparing large difference discrimination logic of braking ratio of bus protection devices from mainstream manufacturers,the paper analyzes the causes of the problem based on two typical problems in engineering practice and proposes the solutions.Besides,the paper conducts theoretical analysis and verification of the solutions,guiding similar projects.