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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Carastro, F. Clare, J.C. Bland, M.J. Wheeler, P.W. |
| Copyright Year | 2009 |
| Description | Author affiliation: University of Nottingham, Department of Electrical and Electronic Engineering, University Park NG7 2RD., Nottingham, UK (Carastro, F.; Clare, J.C.; Bland, M.J.; Wheeler, P.W.) |
| Abstract | This paper considers the calorimetric measurements of losses and the optimisation of high power resonant converters. For the tests a single phase resonant converter rated at 1 kV, 250 A (250 kW peak power, duty ratio 10 %, 25 kW average power, pulse length 1ms) has been developed. This represents one phase of a multi-phase resonant power supply designed for long-pulse modulation (typically 1 ms to 2 ms) of RF tubes when equipped with a suitable output transformer. Pulsed operation is obtained by direct modulation of the high frequency power supply. The main aim of the work reported here is to calorimetrically monitor semiconductor losses and to experimentally optimise the value of turn-off snubber capacitors across the devices. The paper provides an overview of the technology and design used on the test rig prototype under study. Experimental results and semiconductor losses obtained through calorimetry will be provided to validate the effectiveness of the proposed techniques. |
| Starting Page | 1 |
| Ending Page | 9 |
| File Size | 1264839 |
| Page Count | 9 |
| File Format | |
| ISBN | 9781424444328 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-09-08 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Subject Keyword | Pulse measurements Pulsed power supplies Power supplies Phase modulation Loss measurement Pulse transformers Pulse modulation Pulsed Power Converter Resonant Converter Power measurement IGBT Soft Switching Resonance Testing |
| Content Type | Text |
| Resource Type | Article |
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