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| Content Provider | MDPI |
|---|---|
| Author | Shibata, Sho Yamada, Hiroaki Tanaka, Toshihiko Okamoto, Masayuki |
| Abstract | This paper describes the reduced capacity of the inrush current suppressor using a matrix converter (MC) in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs). These SCIMs are switched over depending on the wind speed. The input side of the MC is connected to the source in parallel. The output side of the MC is connected in series with the SCIM through matching transformers. The modulation method of the MC used is direct duty ratio pulse width modulation. The reference output voltage of the MC is decided by multiplying the SCIM current with the variable control gain. Therefore, the MC performs as resistors for the inrush current. Digital computer simulation is implemented to confirm the validity and practicability of the proposed inrush current suppressor using PSCAD/EMTDC (power system computer-aided design/electromagnetic transients including DC). Furthermore, the equivalent resistance of the MC is decided by the relationship between the equivalent resistance and the capacity of the MC. Simulation results demonstrate that the proposed inrush current suppressor can suppress the inrush current perfectly. |
| File Size | 12321792 |
| File Format | |
| e-ISSN | 19961073 |
| DOI | 10.3390/en9030223 |
| Journal | Energies |
| Issue Number | 3 |
| Volume Number | 9 |
| Language | English |
| Publisher Date | 2016-03-21 |
| Access Restriction | Open |
| Subject Keyword | wind power generation matrix converter inrush current voltage sag |
| Content Type | Text |
| Resource Type | Article |
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