Simulation for fault of transmission lines based on discrete wavelet transform

机译：基于离散小波变换的传输线故障仿真

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The transient signals produced by power system fault can not be analyzed by typical Fourier analysis. Wavelet transform provides an effective tool for non — stationary signals analysis, by its excellent properties in both time domain and frequency domain. The simulation model of a simple fault power system is built in Matlab/Simulink environment. And Wavelet transform (discrete wavelet transform) was used in the current and votlage produced by the fault power system. At last, the discrete wavelet transform was used in fault location, and proved to be efficient by the simulation.

机译：通过典型的傅立叶分析无法分析电力系统故障产生的瞬态信号。小波变换为非静止信号分析提供了一种有效的工具，通过其在时域和频域中的优异性能。 MATLAB / SIMULINK环境中构建了简单故障电力系统的仿真模型。和小波变换（离散小波变换）用于故障电力系统产生的电流和尺寸。最后，离散小波变换用于故障位置，并证明是通过模拟的有效性。

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《International Conference on Electrical and Control Engineering》|2011年||共3页
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作者
Wang Qin; Jiang Feng;
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正文语种
中图分类 TM92-53;
关键词
MATLAB; modal transform; power system; wavelet transform;

机译：Matlab;模态变换;电力系统;小波变换;

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3. Closure on "A novel fault detection technique of high impedance arcing faults in transmission lines using the wavelet transform" [J] . Kim C.H., Aggarwal R.K. IEEE Transactions on Power Delivery . 2003,第4期

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4. Simulation for fault of transmission lines based on discrete wavelet transform [C] . Wang Qin, Jiang Feng 2011 International Conference on Electrical and Control Engineering . 2011

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5. Transmission lines protection techniques based on wavelet transform. [D] . Osman-Ahmed, Ahmed. 2003

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7. Discrete Wavelet Transform Based Fault Analysis and Identification in Flexible HVDC Transmission System [O] . Zhiguo Zhou, Qiying Jin, Yi Zhang 2015

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Simulation for fault of transmission lines based on discrete wavelet transform

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