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| Content Provider | IET Digital Library |
|---|---|
| Author | Xu, Yizheng Zheng, Weijie Xu, Dechao Zhang, Xing |
| Abstract | Electrified railways contain DC devices and cause power quality (PQ) issues such as harmonics, unbalance, and low-power factor, which should be solved by the most effective compensation technology to reduce the cost. In addition, it is common that more than one issue is caused at a supply bus, with either some issue affecting more than the others or all issues equally affecting, depending on different buses. Different PQ compensation technologies are used in the past work for the improvement of PQ at the network bus side. However, few of them have provided theoretical justification on which technologies should be selected for different network buses with different issues. This study investigates a subjective–objective methodology to provide suggestions on which compensation technologies should be selected for network buses, why and how. The importance of different PQ issues will be obtained and shown as overall weighting factors. The overall weighting factors are derived from the subjective weighting factor, obtained from existing industry standards, and the objective weighting factor, obtained from the entropy of information. The methodology will be applied to a real 124-bus AC–DC network with electrified railways. Based on the overall weighting factor obtained, the most effective compensation technology can be determined. |
| Starting Page | 982 |
| Ending Page | 986 |
| Page Count | 5 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 16, Mar (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8545 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-23 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | 124-bus AC–DC Network Cause Power Quality Issues Compensation Control of Electric Power System DC Device Different Buses Different Issues Different Network Buses Different PQ Compensation Technology Different PQ Issues Effective Compensation Technology Electrified Railways Harmonics Low-power Factor Network Bus Side Objective Weighting Factor Optimisation Technique Power Converter Power Factor Power Quality Compensation Technology Power Supplies to Apparatus Power Supply Quality Railway Electrification Railways Subjective Weighting Factor Subjective–objective Methodology Supply Bus |
| Content Type | Text |
| Resource Type | Article |
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