| Petri网与专家系统结合的输电网络故障诊断方法 |
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| 引用本文： | 方培培,李永丽,杨晓军. Petri网与专家系统结合的输电网络故障诊断方法[J]. 电力系统及其自动化学报, 2005, 17(2): 26-30 |
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| 作者姓名： | 方培培 李永丽 杨晓军 |
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| 作者单位： | 天津大学电气与自动化工程学院,天津,300072;北京煜邦电力技术有限公司,北京,100045 |
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| 摘 要： | 介绍了一种应用Petri网数学模型并结合专家系统进行电力系统输电网络故障诊断的方法。根据断路器跳闸信息确定故障区域,通过搜索“六元表”找出故障区域中动作的各类保护及相关的断路器,通过与SCADA系统提供的信息进行比较,把对应各设备的继电保护信息输入Petri网故障诊断模型,最终确定故障元件。这种方法克服了专家系统难于用数学方法描述的缺点,利用Petri网建立数学模型,提高了故障诊断速度。通过实例仿真验证了该方法的有效性、准确性和通用性。
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| 关 键 词： | Petri网 专家系统 故障诊断 |
| 文章编号： | 1003-8930(2005)02-0026-05 |
| 修稿时间： | 2004-09-08 |
Transmission Power System Fault Diagnosis Based on Petri Nets and Expert System |
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| FANG Pei-pei,LI Yong-li,YANG Xiao-jun. Transmission Power System Fault Diagnosis Based on Petri Nets and Expert System[J]. Proceedings of the CSU-EPSA, 2005, 17(2): 26-30 |
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| Authors: | FANG Pei-pei LI Yong-li YANG Xiao-jun |
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| Abstract: | A new method of fault diagnosis in transmission power system using Petri nets and expert system is presented. The fault section is estimated according to the acted circuit breakers information from SCADA;Acted relays and circuit breakers are found in the fault section by searching the "six value chart",then the results are compared to the information from SCADA.By this way the expert system can be described by mathematic means, and the diagnosis efficiency is improved by using Petri nets. It is proved to be effective,exact and all-purpose. |
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| Keywords: | petri nets expert system fault diagnosis |
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