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New Phase-Shifted Soft-Switching PWM Series Resonant Inverter Topologies and Their Practical Evaluations
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| Author(s) |
Eiji Hiraki; Satoshi Nagai; Yasuhiro Arai; A. Chibani; Mutsuo Nakaoka |
| Abstract |
This paper presents three versions of soft-switching phase-shifted PWM with
constant frequency or load-adaptive PFM series resonant inverter topologies. Conventional constant frequency phase-shifted inverters are widely used and evaluated for high power applications. But their soft-switching operations are not realized their operating frequency ranges are limited to around 20kHz. For the proposed load-adaptive PFM-based PWM control with lossless capacitors and loss less inductors, switching Iosses and stresses are much reduced and frequency limitation is extended more than 100kHz for IGBTs. These inverters are suitable for induction-heating applications in metal electroheat processing plants, food cooking processing plants, hot water and hot gas producing processing plants. |
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| Filesize: | 424.8 KB |
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| Type |
Members Only |
| Date |
Last modified 2016-03-08 by System |
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