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In this paper, a novel high-gain two-port power converter with fuel cell (FC) and battery sources and stacked output for hybrid electric vehicle (EV) connected to dc-microgrid is proposed. In the proposed power converter, the loads power can be flexibly distributed between input sources. Also, charging or discharging of battery storage device by FC source can be controlled properly. The proposed converter...
This paper presents a novel single-stage inverter with high step-up ratio and step-up/down capabilities. A forward-pumping circuit is integrated to the 262;uk-derived voltage source inverter (VSI) to achieve a much higher voltage conversion ratio, while avoiding the use of at larger duty ratio of dc-side switch and modulation index of inverter. The proposed inverter can operate oneself naturally to...
In this paper, a parallel-operated single-stage flyback-type single-phase solar micro-inverter is studied. A discontinuous conduction mode (DCM) flyback converter is a well-known cost-effectiveness solution for distributed low-voltage solar inverter system since the least number of components. However, for high power grid-connected applications, the DCM flyback converter has the following disadvantages,...
In recent years, the negative ions generator has been widely used to deal with air pollution problems. In this paper, a negative ion generating circuit with 8kV/4kV dual-output is developed for air purifier applications, which circuit generates the high electric field to ionize the air. The number of active particles increases in the air, which react with the exhaust gas and make the air clean. The...
This paper proposes a novel three-phase interleaved high step-up converter suitable for electric vehicle applications. By integrating an auxiliary circuit, the proposed three-phase converter can achieve a higher voltage-boosting ratio than that of the conventional boost converter and possess lower duty cycle, leading to significantly reduced diode reverse recovery, voltage ratings of power devices...
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