Fault classification and localization of multi-machine-based ieee benchmark test case power transmission lines using optimizable weighted extreme learning machine

被引:1
作者
Hassan, Mehedi [1 ]
Biswas, Shuvra Prokash [2 ]
Chowdhury, Shah Ariful Hoque [1 ]
Mondal, Sudipto [1 ]
Islam, Md. Rabiul [2 ]
Shah, Rakibuzzaman [3 ]
机构
[1] Rajshahi Univ Engn & Technol, Dept Elect & Telecommun Engn, Rajshahi 6204, Bangladesh
[2] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Wollongong, NSW 2522, Australia
[3] Federat Univ Australia, Ctr New Energy Transit Res CfNETR, Ballarat, Vic 3350, Australia
关键词
Extreme learning machine; Fault classification and localization; PMU-data; Protection of transmission line; Wavelet feature selection; LOCATION; REGRESSION; DIAGNOSIS; WAVELETS; SCHEME;
D O I
10.1016/j.epsr.2024.110857
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Accurate fault diagnosis in transmission lines is crucial to ensure the reliability and stability of power grids. Conventional approaches often rely on expert knowledge or complex feature extraction methods, which are subjective and time-consuming. Additionally, many existing approaches use separate sub-algorithms for fault classification and localization. These are operating independently and sequentially. This research work proposes an innovative method for fault classification and localization in transmission lines using phasor measurement unit (PMU) data. The proposed method employs a Weighted Extreme Learning Machine (WELM) algorithm, which uses the variable data distribution across different fault classes through a weighted approach. The PMU data is generated by simulation using an IEEE 9-bus test system in the MATLAB simulation environment. The Maximal Overlap Discrete Wavelet Transform-based feature extraction technique is applied to derive input feature data to facilitate fault classification and localization. The WELM classifier is also optimized using the Grey Wolf Optimization (GWO) algorithm. The resulting GWO-optimized WELM (GWO-WELM) model, when trained on PMU data, achieves a remarkable fault classification accuracy of 99.83 % and fault localization accuracy of 95.48 %, respectively. These results demonstrate that the GWO-WELM model outperforms commonly used classifiers. Moreover, the proposed model shows robustness by accurately classifying the noisy data with a signalto-noise ratio (SNR) of 10 dB (achieving 91.5 % accuracy in classification and 88.1 % accuracy in localization, respectively).
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页数:16
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