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The high switching frequencies in power converters increases the switching losses, and electromagnetic interferences. These losses can be overcome by employing soft switching techniques. The paper introduces a soft switched single switch isolated DC-DC Converter where Switching losses, current and voltage stress can be reduced. The presented converter can be Zero current Switching (ZCS) turn on and...
The paper presents a high gain dc-dc converter which is derived from a traditional SEPIC (single-ended primary-inductor) converter. The distributed generation based system with renewable energy resources have rapidly developed in recent years. These distributed generation systems are powered by sources such as fuel cell, photovoltaic (PV) systems and batteries. This consists of two conversion stages,...
This paper introduces average current mode control of flyback rectifier with bidirectional switch. The proposed control scheme employs an outer voltage feedback loop, which maintains the output voltage as constant and an inner loop, which sense the input current. Average current mode control of flyback rectifier is suitable for obtaining a regulated output voltage with a varying input. Voltage equivalent...
Conventional buck power factor correction converters have increased conduction loss and switching loss due to input rectifier bridges. To reduce this conduction losses the rectifier circuit and PFC has been combined together to form bridgeless buck PFC converter. In this paper, analysis and design of conventional bridgeless buck rectifier and also modified bridgeless buck rectifier with single inductor...
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