Design Of The Simulation Module About Relay Protection In Dispatcher Training Simulator

The fixed value quantitative judging method and the logic judge method are mostly implementation ways in relay protection simulation in Dispatcher Training Simulator (DTS). Currently, the only use one of the ways is very difficult to satisfy the real-time requirements and simulation realistic demands. On one hand, some of the parameters such as zero-sequence current and the gas content are very difficult to get when the fixed value quantitative judging method just be adopt On the other hand, when engineers just use the logic judge method, it is hard for the logical relationship of the main line protection and the adjacent lines reserve protection to cooperate correctly because of the complex network topology relationships. In this paper, the characteristics of the two methods are analyzed and a new method that mainly based on the logic judge method together with the fixed value quantitative judging method is proposed. Based on the proposed method, the corresponding various relay simulation modules are founded. Examples show that these relay simulation modules can be used to meet the simulation speed and the simulation realistic of the requirements.