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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Akimov, A.V. Logachev, P.V. Bochkov, V.D. Bochkov, D.V. Dyagilev, V.M. Ushich, V.G. |
| Copyright Year | 2007 |
| Description | Author affiliation: SB RAS, Novosibirsk (Akimov, A.V.; Logachev, P.V.) |
| Abstract | Summary form only given. A modulator circuit providing for supply of inductive-resistive load in double-pulse mode with currents up to 10 kA and pulse duration of 300 ns is described. As switching components thyratrons (pseudospark switches) TPI1-10k/50 with anode voltage up to 50 kV are used. In contrast with other pseudospark switches TPI-thyratrons are capable of operating in circuitry with grounded cathode which allows a service life time up to 20,000 hours. The thyratrons can be considered as an alternative to well-known switches, including hot cathode hydrogen thyratrons and up-to-date power solid state switches, especially for switching of high-currents with sub-nanosecond jitter, turn-on time of 3-5 ns and average current up to 0.3 A. The absence of hot cathode provides in thyratron more homogeneous distribution of gas density and hence shorter turn-on time. Simultaneously it simplifies thyratron design, removes additional power supply and source of heat. There is no need for forced cooling. This new design allows operation without cathode heating and, which is more valuable, without hydrogen reservoir heating. This significantly simplifies auxiliary circuits up to a level of spark gaps. Results of tests, confirming the possibility of reverse dielectric strength recovery within some microseconds after switching of 10 kA forward anode current are presented. Basic electrical parameters affecting thyratron operation in the indicated mode are analyzed. A pentode version of the thyratron, which allows for a reduced recovery time up to 0.5-1 mus is designed and will be presented. |
| Starting Page | 797 |
| Ending Page | 797 |
| File Size | 52055 |
| Page Count | 1 |
| File Format | |
| ISBN | 9781424409150 |
| ISSN | 07309244 |
| DOI | 10.1109/PPPS.2007.4346103 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-06-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Thyratrons Switches Cathodes Pulse modulation Anodes Hydrogen Heating Pulse circuits Voltage Switching circuits |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering |
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