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| Content Provider | IET Digital Library |
|---|---|
| Author | Jin, Guiyang Yang, Keji Liu, Jun |
| Abstract | Distribution grid is facing challenges arising from more and more renewable power generation connected to distribution networks. Heavy embedded generation has led to frequent voltage fluctuations in the form of under-voltage and over-voltage. Voltage control using traditional voltage regulators are unable to cope with this situation which limits the power output from renewable power generation. A novel design of a main transformer combined with a second booster transformer is proposed which provides frequent voltage regulation no matter under-voltage or over-voltage of distribution networks. The modification in the voltage is produced by the second booster transformer which has taps developed through a combination of no-load mechanical switches and hybrid switch. The hybrid switch consists of a mechanical switch and two bidirectional semiconductor switches. Mechanical switches ensure low steady-state losses and the power electronic switches are used for arc-free tap changing. The novel design of the transformer is cost-effective, efficient, and can regulate voltage quickly and frequently. |
| Starting Page | 2324 |
| Ending Page | 2327 |
| Page Count | 4 |
| Volume Number | 2017 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2017/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2017.0746 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2017-01-01 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
| Subject Keyword | Arc-free Tap Changing Bidirectional Semiconductor Switches Control of Electric Power System Distribution Grid Distribution Network Frequent Voltage Fluctuations Frequent Voltage Regulation Hybrid Switch Low Steady-state Loss No-load Mechanical Switches Novel Voltage Regulating Distribution Transformer Over-voltage Overvoltage Power Distribution Control Power Electronic Switches Power Electronic-assisted Booster System Power Grid Power Output Power Semiconductor Device Power Semiconductor Switches Power System Control Power Transformer Relay And Switches Renewable Power Generation Second Booster Transformer Transformer And Reactors Under-voltage Voltage Control |
| Content Type | Text |
| Resource Type | Article |
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