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This paper introduces a novel three phase high step-up single-stage flyback converter with no electrolytic capacitor for small-scaled wind generation application. The proposed converter combines flyback cell and three-phase single-switched boost converter in order to achieve high step-up voltage gain at low input voltage and high efficiency at rated input voltage. The circuit is operating in discontinuous...
In this paper, we propose a cost-effective single switch multi-channel LED (light emitting diode) driver. While conventional LED drivers require as many non-isolated DC/DC converters as the number of LED channels, the proposed LED driver needs only one power switch and several balancing capacitors instead of expensive non-isolated DC/DC converters. Therefore, the proposed driver features a simpler...
Multi-output DC-DC converters are widely used in many applications such as military, communication automobile, space application etc‥ The DC-DC converters which is used for aerospace applications, has important role in ensuring the complete success of the mission. DC-DC converter is used for providing a regulated voltage to various subsystems of satellites with variation in input voltage and output...
This paper designs and implements a high-voltage DC power supply with wide-range output voltage up to 30kV. There are two stages for the power conversion. The pre-stage circuit is a transition-mode (TM) power factor correction (PFC) converter for improving input power factor and providing a regulated 380V DC output. The post-stage is a DC/DC converter, to use a buck-type current-fed push-pull as its...
This paper presents a feasibility study of real-time simulation of power electronic circuits using analog IC technologies. Unlike conventional analog simulation where a mathematical model is developed first and then implemented by using op-amps, the proposed approach simulates a power electronic circuit directly by analog devices and components. Capacitors and switches are shown to be amenable to...
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