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The full-bridge series-parallel resonant converters (also known as LCC resonant converters) with capacitive output filter is evaluated in high output voltage (>50 kV), high power (>50 kW) and high frequency (20 kHz) ESP (Electrostatic Precipitator) power supply applications. By using the leakage inductance and the winding capacitance of the transformer as the resonant elements only an additional...
The paper presents the work that has been carried out trying to improve the behavior and the performances of DC to DC step up converters with high conversion ratio. Especially, it is studied how the design and the realization of the magnetic HF transformer can be improved in order to increase the global efficiency of hard switch isolated DC to DC converters. It is shown that a split in conductors...
This paper describes a new approach to the analysis of switched mode power converters utilizing coupled inductors and presents a novel canonical circuit model for N-winding coupled inductors. Waveform and ripple of the winding current in a coupled inductor converter can be easily determined using the developed model similar to those obtained in an uncoupled inductor converter. Influence of coupling...
The design of a high voltage, high power and high frequency transformer is introduced considering its operation in the LCC resonant converter. The leakage inductance and winding capacitance of the transformer are used as the resonant elements. An additional series resonant capacitor is added to form the LCC topology. The discontinuous current mode (DCM) is adopted to achieve the ZCS turn-on and ZVZCS...
This paper presents a 3D integrated solution that uses a low-profile planar inductor as the substrate as one of the possible methods to integrate the magnetic component with the active component. In order to reduce the inductor size to achieve a more compact integrated converter, several low-profile inductor structures with different flux path patterns (vertical or lateral) based on low temperature...
A dual-interleaved boost converter is presented with zero-voltage switching for applications in electric vehicle power trains. The topology has one input inductor and an interphase transformer (IPT) between the two channels. By using an appropriate differential inductance value for the IPT, the converter achieves transitions with zero-voltage switching in the devices. The circuit operation is described...
Fuel cell systems often require high voltage gain and dc-dc step-up converter is a critical part. Scope of this paper is integration of inductor and transformer on a single core. Usage of integrated magnetics improves utilization of magnetic core and thus size and weight of the converter may be reduced.
This paper proposes a new integrated magnetics (IM) ZVS full-bridge Dc-Dc converter, which integrates three inductors and one transformer with a single core. Compared with the discrete solution, the proposed integrated converter has less components, smaller size, lower cost and reduced core losses. The leakage inductance of the transformer is used as energy storage inductance and the output filter...
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