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Three Phase Soft Commutation Inverter with High Frequency Transformer Assisted Resonant Snubbers
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| Author(s) |
Inaba C.Y., Hiraki E., Ohgaki S.*, Nakaoka M. |
| Abstract |
In this paper, a high frequency transformer- assisted auxiliary active resonant commutation snubber (HFTA-ARCS) for voltage source power conversion circuits is proposed as compared with the conventional ARCS. A new three-phase voltage source soft switching inverter with HFTA-ARCS circuits in its three bridge legs has reduced current rating of auxiliary active switches and simplified control scheme without any boost current management required for soft switching. Its operation principle and control scheme are described and a design method of parameters on this HFTA-ARCS circuit is also discussed. Moreover, this soft switching inverter system with DSP-based digital control scheme is evaluated on the basis of computer simulation. The effectiveness of this inverter is proved by the simulation results. |
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| Filename: | EPE-PEMC2000 - 378 - Inaba.pdf |
| Filesize: | 495.5 KB |
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| Type |
Members Only |
| Date |
Last modified 2004-04-28 by System |
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