|
|||||
|
|
| 超声传感器在电机定子局部放电研究中的应用 | |
| 引用本文： | 杨永明,江帆,邱秀君,冉隆毅,肖明伟,付一奎. 超声传感器在电机定子局部放电研究中的应用[J]. 传感器与微系统, 2011, 30(11): 146-148 |
| 作者姓名： | 杨永明 江帆 邱秀君 冉隆毅 肖明伟 付一奎 |
| 作者单位： | 1. 重庆大学输配电装备及系统安全与新技术国家重点试验室,重庆,400030 2. 四川建筑职业技术学院,四川德阳,618000 3. 重庆化工职业学院,重庆,400020 |
| 基金项目： | 中央高校基本科研业务费资金资助项目(CDJXS11150016); 国家重点实验室自主研究项目(2007DA10512709206) |
| 摘 要： | 在利用超声波进行发电机定子绕组局部放电的在线监测中,超声传感器的选型、超声波信号的衰减以及时延性都将影响到在线监测的效果.鉴于此,通过将发电机正常运行时的噪声频谱与局部放电超声信号频谱进行分析对比,并建立定子模型,通过仿真实验获取超声波传播时的声压分布图；再通过实验检测对超声信号在传播过程中的衰减与时延性进行分析研究.... |
| 关 键 词： | 超声波 传感器 发电机 定子绕组 局部放电 |
Application of ultrasonic sensor in partial discharge of generator stator |
|
| YANG Yong-ming,JIANG Fan,QIU Xiu-jun,RAN Long-yi,XIAO Ming-wei,FU Yi-kui. Application of ultrasonic sensor in partial discharge of generator stator[J]. Transducer and Microsystem Technology, 2011, 30(11): 146-148 | |
| Authors: | YANG Yong-ming JIANG Fan QIU Xiu-jun RAN Long-yi XIAO Ming-wei FU Yi-kui |
| Affiliation: | YANG Yong-ming1,JIANG Fan1,QIU Xiu-jun2,RAN Long-yi3,XIAO Ming-wei1,FU Yi-kui1(1.State Key Laboratory of Power Transmission Equipment & System Security and New Technology,Chongqing University,Chongqing 400030,China,2.Sichuan College of Architectural Technology,Deyang 618000,3.Chongqing Chemical Industry Vocational College,Chongqing 400020,China) |
| Abstract: | During online monitoring using ultrasonic wave for partial discharge of generator stator winding,the effect of online monitoring will be affected by the selection of ultrasonic sensor,the attenuation and time delay of ultrasonic wave signal.The noise spectrum of the generator in normal operation and the partial discharge ultrasonic signal spectrum are compared and analyzed;and the stator model is established.The sound pressure distribution diagram during the ultrasonic wave propagation will be obtained thro... |
| Keywords: | ultrasonic wave sensor generator stator windings partial discharge |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |