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In this paper, a novel bridgeless Flyback power factor correction rectifier is presented. Two active power switches, rather than the line-voltage diode bridge, are used to provide the bidirectional power flow. In comparison with the existing Flyback rectifiers, the proposed topology uses less number of transformer windings which simplifies the complexity of implementation in terms of magnetic utilization...
A novel quadratic buck-boost DC/DC converter is presented in this study. The proposed converter utilizes only one active switch and can step-up/down the input voltage, while the existing single switch quadratic buck/boost converters can only work in step-up or step-down mode. First, the proposed converter is analyzed in steady-state. Then, its performance is validated using simulations in MATLAB/Simulink...
Applications of the multi-input converters are becoming popular due to their conformity to renewable energy systems. This paper proposes a new topology of double-input boost converters with continuous input current, which is intended to be used for renewable power sources. The topology is derived from two dc-dc converter configurations: boost dc-dc converter and Y-source dc-dc converter. In the proposed...
A novel buck-boost dc-dc converter with high voltage step-up and step-down ability has been introduced in this paper. There are two switches in this converter, of which the sources are connected together and also connected to the ground of the input voltage source. Hence, there is no need for floating gate driver. In addition, the voltage stress of one of the switches is lower than the existing quadratic...
A new galvanically isolated DC-DC converter has been presented in this paper. The proposed topology is based on the quasi-switched-boost impedance network. It not only includes all positive characteristics of previous converters including continuous input current, high boost ability and high efficiency, but also has the prominent features of less passive elements utilization, small size and light...
This paper proposes a new topology of switched-inductor quasi-Z-source impedance networks which has a high boost capability and continuous input current with no ripples. The coupling inductor technique is utilized to cancel the ripples of the input current. In this topology, no additional components such as input filter are required to protect the source. In addition, the lifetime of the storage elements...
Direct drive, in-wheel motors are ideal for electric and hybrid vehicles because the packaging of the drivetrain is so simple, because drivetrain losses are eliminated, and because individual wheel control improves handling and safety. In applications where cost is not a constraint, e.g. solar car racing, direct drive, in-wheel motors are the norm. In-wheel motors are also regularly demonstrated in...
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