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When conventional resonant converter is applied in high output voltage power supply, the ratio of the transformer is usually very large, and the voltage stress on the filtering components is too high. In order to solve this problem, a symmetric multiplier is applied in the conventional resonant converter and composes the resonant converter with multiplier. The performance of the symmetric multiplier...
This paper puts forward the optimization design method of parallel resonant converter with multipliers. The principle of the optimization design method is introduced. The design of the optimization program is presented. The method to calculate the equivalent load resistance and voltage gain is introduced. The effect of voltage gain on efficiency is analyzed. The experimental results are given, and...
In this paper, the technique of active clamp is applied in ZVT boost converter and forms active clamp ZVT boost converter. This converter is not only simple in topology but also achieves ZVT in both the main switch and the auxiliary switch. The boost diode turns off naturally and there is no reverse recovery loss. Current of the boost inductor flows in bi-direction and the usage rate of the magnetic...
This paper introduces a new topology - parallel resonant converter with multipliers (PRCM), which is a good choice in high voltage applications, such as TWTA power supply. The operating principle of PRCM is analyzed in detail. Design guideline is presented. Then a design example in a TWTA power supply is introduced. At last the conclusion is given
In this paper, PCB planar transformer is introduced. Based on the physical structure, a new model of this kind of planar transformer is presented. The formula to calculate the parameters of the elements in the model is given. Simulating and experimental results validate the model and the calculation methods. Based on these results, the optimization design methods are introduced to reduce the bad influence...
The technique of active clamp is widely applied in single end converters for the perfect performance. In this paper the author combined the active clamp technology with multipliers, and formed the topology of ZVS single end converters with multipliers. The operation principle is analyzed in detail, and the results of computer simulation validate the analysis. At last an experimental example is given
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