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In electromagnetic resonance based wireless inductive power transfer (WIPT) system, voltage gain is determined by the coil inductances and the coupling coefficient of the power transmitting coils and frequency of operation. In this paper, voltage gain of an electromagnetic resonance based series-parallel compensated WIPT system is analyzed. Different control schemes are discussed to achieve high efficiency...
One of the major issues in a single phase inverter topology is the 120Hz ripple which needs large decoupling capacitors. Big bulky electrolytic capacitors can be an issue in applications where compact size and high power density are requirements such as solar converter chargers. In z source inverter systems, the design of the impedance network is critical. In single phase z source inverter systems,...
While current-mode control of dc–dc converters provides numerous benefits over voltage-mode control, previous models of the control strategy have been limited to the form of classical control models. Through the use of a state-space averaged (SSA) model of current-mode control, both the open-loop and closed-loop circuit parameters of open-loop control-to-output frequency response, conducted susceptibility,...
This paper presents the analysis and novel controller design for a hybrid 4-quadrant (4-Q) switched-capacitor (SC) Luo and a conventional buck-boost bidirectional DC/DC converters, for HEV/PHEV energy storage system applications, based on power of traction motor and battery current gradient. Features of voltage step-down, voltage step-up, and bi-directional power flow are integrated into a single...
Power electronics based power systems are being increasingly considered for transportation systems such as land, sea/undersea, air, and space vehicles due to their advantages in efficiency, performance, flexibility, and power density. In order to have superior performance, these multi-converter systems need to be rigorously regulated. Dynamic response of tightly regulated power electronic converters...
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