| 小波变换在行波故障检测中的应用 |
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| 引用本文： | 董新洲,贺家李,葛耀中.小波变换在行波故障检测中的应用[J].电力系统保护与控制,1998,26(5):1-4. |
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| 作者姓名： | 董新洲 贺家李 葛耀中 |
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| 作者单位： | 1.天津大学电力系 300072;2.西安交通大学电力系 710049 |
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| 基金项目： | 国家教委博士点基金,中国博士后科学基金 |
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| 摘 要： | 正确识别和检测线路故障后的行波信号是实现行波保护和故障测距的关键。利用小波变换有效地识别出了混杂在噪声中的行波信号，从而为行波故障检测提供了依据并构造出了基于小波变换的行波故障启动元件。
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| 关 键 词： | 行波 小波变换 故障检测 故障启动元件 |
APPLICATION OF WAVELET TRANSFORM IN DETECTION OF FAULT TRAVELLING WAVES |
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| Dong Xinzhou,He Jiali.APPLICATION OF WAVELET TRANSFORM IN DETECTION OF FAULT TRAVELLING WAVES[J].Power System Protection and Control,1998,26(5):1-4. |
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| Authors: | Dong Xinzhou He Jiali |
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| Abstract: | The key point to realize protective relaying and the fault location based on travelling wave is how to correctly distinguish and detect the travelling wave signal.In this paper,we detect the travelling wave signal from the noise with wavelet transform.As a result,a criterion which can distinguish the travelling wave signal from the noise is proposed.Also,a starting element based on the wavelet transform and the travelling waves is presented. |
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| Keywords: | travelling waves wavelet transform fault detection starting element of fault |
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