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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mizuno, M. Dairaku, M. Ohara, Y. Ozaki, A. Tanaka, S. Uede, T. Watanabe, K. Yamashita, Y. Yokoyama, K. |
| Copyright Year | 1989 |
| Description | Author affiliation: JAERI, Ibaraki, Japan (Mizuno, M.; Dairaku, M.; Ohara, Y.; Ozaki, A.; Tanaka, S.; Uede, T.; Watanabe, K.; Yamashita, Y.; Yokoyama, K.) |
| Abstract | A design of a high-voltage DC power supply for future neutral beam injectors (NBI) is presented together with the latest R&D results for a 100-kV, 5-A, 5-kHz inverter-type power supply. A negative-ion based NBI is used for heating and current drive in the JT-60U (JAERI Tokamak-60 upgrade) and the FER (Fusion Experimental Reactor). For a high-voltage DC power supply of 500-1000 kV, an inverter-type DC power supply has been adopted. It consists of low-voltage converters, inverters, step-up transformers, and high-voltage rectifiers. Ion sources are protected from electrical breakdowns by stopping the inverters. As the first step, the same system was used in the 100-kV, 5-A acceleration power supply of the JAERI (Japan Atomic Energy Research Institute) electron-beam irradiation stand. The power supply is based on 5-kHz inverters. After the dummy load test, the power supply operated in conjunction with a plasma electron gun, and a 100-keV, 4-A electron beam has already been extracted.< |
| Starting Page | 574 |
| Ending Page | 577 |
| File Size | 382484 |
| Page Count | 4 |
| File Format | |
| DOI | 10.1109/FUSION.1989.102285 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1989-10-02 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Inverters Voltage Power supplies Electron beams Heating Inductors Transformers Rectifiers Ion sources Power system protection |
| Content Type | Text |
| Resource Type | Article |
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