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| Content Provider | IET Digital Library |
|---|---|
| Author | Guan, Ruiyang Wei, Xinlao Chen, Qingguo |
| Abstract | Adjustable reactor is an important VAR compensator for AC system, so it has practical significance to do researches on this device. This paper proposed a method of adjusting inductance value based on a controlled magnetic-wedge, which could change the air-gap in the magnetic path by adjusting the depth it inserted. The reactor based on this method was named as magnetic-wedge linear adjustable reactor. Its working principle and inductance's mathematical models were analysed in detail. ANSYS was used to simulate reactor's magnetic field in order to verify the analysis previously. A prototype was made and its inductance's adjustment curve was measured. Results showed that: the inductance's adjustment curve was a piecewise function. When the magnetic-wedge was in positive section, the relationship between inductance and depth of magnetic-wedge inserted was a linear function. If the magnetic-wedge was totally inserted, the air-gap was minimum while inductance was maximum. If the magnetic-wedge was totally pulled out, the air-gap was maximum while inductance was minimum. When the magnetic-wedge was in negative section, the relationship between inductance and magnetic-wedge's position was a double-exponential function, the nearer magnetic-wedge's position was, the more sensitively the inductance changed. Magnetic-wedge could control magnetic flux path and restrain air-gap edge effect. |
| Starting Page | 2207 |
| Ending Page | 2211 |
| 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.2018.8690 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-26 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Air-gap Controlled Magnetic-wedge Engineering Material Finite Element Analysis Inductance Magnetic Field Magnetic Flux Magnetic Flux Path Magnetic Path Magnetic-wedge Linear Adjustable Reactor Numerical Analysis Reactors (Electric) Static VAr Compensators |
| Content Type | Text |
| Resource Type | Article |
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