The invention relates to a three-phase tri-level LLC resonant converter, which comprises an inverter, a three-phase transformer, a resonant circuit, a three-phase rectification circuit and a filter circuit, wherein the inverter is formed by connecting three tri-level bridge arms in parallel; ...
Finally, the proposed converter with the novel integrated transformer is discussed and evaluated from the experimental point of view. As a result, a 70% reduction in the mass of the magnetic cores was achieved. 展开 关键词: Downsizing Three-Phase LLC Resonant Converter Integrated Magnetics Electric...
Analysis and Design of Three-Phase LLC Resonant Converter with Matrix Transformers This study presents the topology of a three-phase LLC resonant converter with matrix transformers. The three-phase LLC resonant converter has the advantage... JY Lin,HY Yueh,YF Lin,... - 《Energies》 被引量: ...
The power conversion efficiency of an isolated ac-dc converter is a dominant factor in the overall efficiency of dc distribution systems. To improve the power conversion efficiency of the dc distribution system, a three-phase interleaved full-bridge LLC resonant converter employing a Y-connected rect...
This paper proposes a novel hybrid full-bridge (H-FB) three-level (TL) LLC resonant converter. It integrates the advantages of the H-FB TL converter and the LLC resonant converter. It can operate under both three-level mode and two-level mode, so it is very suitable for wide-input-volt...
LLC 谐振型 DC DC 变换器主电 路的结构 从外观上看它与普通的三电平半桥 DC DC 变换器很相似 但因主开关的驱动信号的 排列及调制方式不同使该三电平半桥电路与普通 三电平半桥电路的工作原理和性能大相径庭 图 l 三电平 LLC 谐振变换器 Fig.lThreeeveLLCresonantDC / DCconverter 4 个主开关的驱动信号见...
3.A three level LLC resonant converter is proposed by combining three level technique and LLC resonant technique.将三电平技术和LLC谐振变换器结合起来,提出三电平LLC谐振变换器。 3)three-level inverter三电平 1.Sensorless control ofthree-level inverter-fed induction motor using a Kalman filter and slidi...
SUBSTANCE: three-phase frequency converter designed for regulating frequency and voltage of power generators driven by high-speed motors has two sets of thyristors. Output of one thyristor set is connected to starting lead of first primary winding of revolving-field transformer and that of other ...
A center points iteration algorithm developed specifically for LLC resonant topologies is used to track the maximum power point of the PV panel. The second stage is comprised of a three-phase dc-ac inverter circuit which employs a simple soft-switching scheme without adding auxiliary components. ...
Novel modulation method of a three-level isolated full-bridge LLC resonant DC-DC converter for wide-output voltage application This paper presents a three-level isolated LLC resonant converter using a novel modulation strategy for wide-voltage range operation. With the proposed mod... F Canales,TH...