A ZVS PWM inverter with active voltage clamping using the reverse recovery energy of the diodes
This paper presents a zero-voltage-switching (ZVS) pulsewidth modulated inverter with active voltage clamping using only a single auxiliary switch. The structure is particularly simple and robust. It is very attractive for single-phase high-power applications. Switching losses are reduced due to imp...
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Veröffentlicht in: | IEEE transactions on circuits and systems. 1, Fundamental theory and applications Fundamental theory and applications, 2005-10, Vol.52 (10), p.2219-2226 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | This paper presents a zero-voltage-switching (ZVS) pulsewidth modulated inverter with active voltage clamping using only a single auxiliary switch. The structure is particularly simple and robust. It is very attractive for single-phase high-power applications. Switching losses are reduced due to implementation of the simple active snubber circuit that provides ZVS conditions for all switches, including the auxiliary one. Its main features are: simple modulation strategy, robustness, low weight and volume, low harmonic distortion of the output current and high efficiency. The principle of operation for steady-state conditions, mathematical analysis and experimental results from a laboratory prototype are presented. |
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ISSN: | 1549-8328 1057-7122 1558-0806 |
DOI: | 10.1109/TCSI.2005.852914 |