| Autor: |
Majid Pakdel, Khalil Rahimi, Ali Nazeran Motlagh |
| Rok vydání: |
2009 |
| Předmět: |
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| Zdroj: |
2009 IEEE Vehicle Power and Propulsion Conference. |
| DOI: |
10.1109/vppc.2009.5289448 |
| Popis: |
This paper proposes a zero-voltage-transition (ZVT) pulse-width-modulated (PWM) synchronous buck converter, which is designed to operate at low voltage and high efficiency typically required for portable systems. A new passive auxiliary circuit that allows the main switch to operate with zero-voltage switching has been incorporated in the conventional PWM synchronous buck converter. The operation principles and a detailed steady-state analysis of the ZVT-PWM synchronous converter implemented with the auxiliary circuit are presented. Besides, the main switch and all of the semiconductor devices operate under soft-switching conditions. Thus, the auxiliary circuit provides a larger overall efficiency. The feasibility of the auxiliary circuit is confirmed by simulation results. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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