摘要
提出了一种基于参考模型的电力电子电路故障诊断方法。该法通过研究实际系统与参考模型特征输出量之间的残差来进行故障诊断,具有输入量少且判据简单的特点,特别适用于复杂电力电子电路的故障诊断。通过以晶闸管三相变流装置主电路故障诊断为例进行仿真和实验研究验证了应用参考模型法进行电力电子电路故障诊断的可行性和有效性。
This paper presents a scheme to diagnose the failure of power electronic circuits based on the reference model. In this approach, faults are diagnosed by studying the characteristic function of failures, which is the difference between the output characteristic values of the practical system and the reference model. With a few inputs and simple criteria, this scheme is very suitable for fault diagnosis of power electronic circuits that its power circuit topology structure is complex. As an example, the simulation and experiment study on the fault of power circuit in a three-phase thyristor converter is accomplished. The results show that it is feasible and effective to indicate the character and location of the fault in power electronic circuits using the reference model method.
出处
《电工技术杂志》
2003年第7期49-51,共3页
Electrotechnical Journal
