基于Petri网的电力系统故障诊断综述

Summary of Power System Fault Diagnosis Based on Petri Net

为了研究基于Petri网的电网故障诊断方法,提高电力系统安全稳定性,综述Petri网原理及Petri故障诊断模型在电网故障诊断中的应用。首先,介绍Petri网基本概念、分类及优缺点;然后,分别针对发电机组故障、输电线路故障、变压器故障、配电网故障、电力系统故障,介绍国内外关于Petri网及改进Petri网在不同类型故障诊断中的应用研究,总结与不同类型故障相适应的电力系统故障诊断模型;最后,提出Petri网在电力系统故障诊断中的应用发展方向。从现有的研究成果来看,Petri网因其具有能够处理离散信息的特点,在电力系统故障诊断中应用较广。

To study the power system fault diagnosis method based on the Petri net and improve the safety and stability of the power system,this paper summarizes the principle of the Petri net and applications of Petri fault diagnosis model in power grid fault diagnosis.Firstly,it introduces the basic concept,classification and advantages and disadvantages of the Petri net.Secondly,based on different fault types of the power system,it introduces the modeling and applications of the Petri net and improved Petri net in power system fault diagnosis at home and abroad,and reviews the fault diagnosis models corresponding to different fault types.Finally,it proposes the future development direction of the Petri net in power system fault diagnosis.According to current research achievements,the Petri net is widely used in power system fault diagnosis due to its ability to process discrete information.