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| Content Provider | IET Digital Library |
|---|---|
| Author | Ye, Yuanbo Xie, Min Wang, Jiaqi Xu, Yan Xu, Dianyang |
| Abstract | At present, the evaluation of relay status maintenance depends on a large amount of manpower. However, the data sources of relay protection devices and fault recorder information system (as known as the information processing system) have reached the basic requirements of online prediction of status evaluation of protection devices. Taking the exported information as the data source, according to the configuration file information, the state-space information that can be monitored by the protection device can be automatically extracted, and then the automatic extraction of the historical state of the protection device and the calculation of the coefficient of the state-transfer matrix are completed. Using Markov state space model method, the probability of each state that can be monitored by protection device was calculated, and the state of protection is evaluated. Finally, the operation data of CSC-101B protection device are selected as an example. The correctness and effectiveness of the method for evaluating the state of the protective device are verified. |
| Starting Page | 9209 |
| Ending Page | 9214 |
| Page Count | 6 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 23, Dec (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/23 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.9218 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2019-03-25 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Configuration File Information CSC-101B Protection Device Data Source Fault Diagnosis Fault Recorder Information System Information Processing System Maintenance Engineering Markov Processes Markov State Space Model Method Online Prediction Operation Data Plant Engineering, Maintenance And Safety Power System Protection Probability Protective Device Relay Protection Relay Protection Device Relay Status Maintenance State Assessment State Space Method State-Space Information State-transfer Matrix |
| Content Type | Text |
| Resource Type | Article |
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