基于DIgSILENT的继电保护建模仿真研究

DIgSILENT PowerFactory软件是一款专门用于电力系统分析和控制的仿真软件,其附带的丰富电气元器件模型为含有分布式电源的电力系统研究和学习带来了极大的便利。介绍了基于该软件进行继电保护仿真的建模原理、一般建模架构及各种功能模块。并以过电流保护和距离保护为例,展示了利用该软件进行继电保护仿真的过程。通过仿真验证了利用DIgSILENT进行继电保护仿真的有效性和正确性,展示了软件在该应用领域的先进性。

Study of relay protection modeling and simulation on the basis of DIgSILENT

DIgSILENT PowerFactory, a simulating software, is exclusively devised for electric power system analysis and control. Equipped with a rich electric component model, it has brought great convenience for research and study on power system with distributed generation. This paper introduces the modeling principle, general framework, and various functional modules in the simulation of relay protection based on DIgSILENT. By illustrating overcurrent protection and distance protection simulation, this paper presents the process of the application of DIgSILENT in relay protection simulation. And the effectiveness and correctness of relay protection simulation by using DIgSILENT is proved, demonstrating the advancement of the software in this field. This work is supported by National Key Research and Development Program of China (No. 2017YFB0902801).