| 基于状态观测器的调速器液压系统故障诊断 |
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| 引用本文： | 和一凡,张江滨.基于状态观测器的调速器液压系统故障诊断[J].电网与水力发电进展,2009,25(4):61-64. |
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| 作者姓名： | 和一凡 张江滨 |
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| 作者单位： | 西安理工大学，西安 710048;西安理工大学，西安 710048 |
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| 摘 要： | 水轮机调速器是水电厂重要控制设备,其工作的稳定性直接关系到水轮发电机组乃至电力系统的安全稳定运行。应用现代故障诊断技术,提出了一种基于状态观测器的故障检测与诊断方法,以实现调速器液压系统的故障检测。通过仿真验证了这种方法依然具有较好的故障检测和诊断能力。
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| 关 键 词： | 调速器液压系统 故障诊断 状态观测器 |
Technique Research of Fault Diagnosis Based on Condition Inspector for Governor Hydraulic System |
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| Authors: | HE Yi-fan and ZHANG Jiang-bin |
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| Affiliation: | (Xi＇an University of Technology, Xi＇an 710048, Shaanxi Province, China) |
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| Abstract: | As the vital control device in the hydraulic power plant,stability of the hydraulic turbine speed governor is a key part to the security and stability of generator set, even to the power system. This paper presents a method based on condition inspector, which can detect fault of the governor hydraulic system. It is demonstrated by simulation that the method was an effective approach. |
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| Keywords: | governor hydraulic system fault diagnosis condition inspector |
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