摘要
DDL保护算法一直应用于直流电力系统中。文章从DDL算法原理和交流电力系统自身特点出发,论证了其应用于交流电力系统的可行性根据交流电力系统中影响短路电流上升率的重要因素,介绍了DDL算法参数在交流电力系统中的设计原则。最后,经过Matlab仿真验证了DDL保护算法检测交流电力系统中短路电流的快速性和可靠性。
DDL protection algorithm has been applied in DC power system.According to the DDL algorithm principle and characteristics of AC power system,the feasibility of its application in the AC power system is demonstrated.in this paper.According to the important factors that affect the rate of short circuit current in AC power system,the design principles of DDL algorithm parameters in AC power system are introduced.Finally,the rapidity and reliability of the DDL protection algorithm applied in the AC power system has been simulated and verified by MATLAB.
出处
《通信电源技术》
2016年第4期23-25,35,共4页
Telecom Power Technology
关键词
DDL
保护算法
电力系统
DDL
protection algorithm
power system
