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| Content Provider | IET Digital Library |
|---|---|
| Author | Guo, Zhenwei Yang, Shengjie Yu, Wen Xin Zhang, Lieping Zhong, Zhixian Sui, Yong Bo |
| Abstract | How to improve the reliability has been a challenging task for transient protection, which has been affected seriously by the fault initial angle (FIA) and transient resistance (TR). Based on support vector machine (SVM), a novel smart transient protection method is presented in this study, which protects a bus and two transmission lines connected to the bus. The method is based on the measurements from the two close-in ends of the two lines. Hilbert–Huang transform is used to extracting instantaneous amplitude from the measured currents. The fault area is determined from the two instantaneous amplitude-integral (IA) of the transient fault currents, the difference of the two IAs, FIA, and the TR. SVM is utilised to determine the fault area. Two IAIs, difference of IAs, FIA and TR are treated as the input to SVMs. Faults with different FIA and TR are treated as a different class of fault, respectively. Correspondingly, a different criterion of discrimination is automatically employed by SVMs for a different fault class. The influence of FIA and TR is eliminated significantly, and the reliability of protection is enhanced substantially. The performance of the method is tested using ATP/EMTP with satisfactory results. |
| Starting Page | 2816 |
| Ending Page | 2824 |
| Page Count | 9 |
| ISSN | 17518687 |
| Volume Number | 12 |
| e-ISSN | 17518695 |
| Issue Number | Issue 12, Jul (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/12/12 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2017.0862 |
| Journal | IET Generation, Transmission & Distribution |
| Publisher Date | 2017-11-17 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | ATP-EMTP Bus Fault Current Fault Initial Angle FIA HHT Hilbert Transform Hilbert-Huang Transform Instantaneous Amplitude Extraction Instantaneous Amplitude Integral Integral Transforms Knowledge Engineering Technique Noncommunication Protection Scheme Power Engineering Computing Power System Protection Power System Transients Power Transmission Line Power Transmission Protection Power Transmission Reliability Power Transmission System Power Transmission, Distribution And Supply Reliability Smart Transient Protection Method Support Vector Machine SVM Transient Fault Current Transient Protection Transient Resistance Transmission Line |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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