NDLI: Novel high step-up dual switches converter with reduced power device voltage stress for distributed generation system

Content Provider	IET Digital Library
Author	Li, Fei Liu, Hongchen Zhang, Chengming Wheeler, Patrick
Abstract	This study introduces a new dual switches converter with a high voltage gain and reduced power device voltage stress. Using a three-winding coupled inductor and voltage multiplier, the proposed converter achieves a high step-up voltage gain without a large duty cycle. However, unlike other converters with coupled inductor, the power device voltage stress in the proposed converter is dramatically reduced. The two clamped diodes not only alleviate the voltage spike across the metal–oxide–semiconductor field-effect transistor (MOSFET), but also reduce the diode reverse recovery issue. The efficiency can be improved as circuit allows the use of low on-resistance MOSFETs and Schottoky diodes in applications where this might not have been possible with conventional topologies. The basic operational principle and relevant theoretical analysis are presented in this study. Finally, practical results from a laboratory prototype are presented to verify the performance of the proposed converter.
Starting Page	1800
Ending Page	1809
Page Count	10
ISSN	17554535
Volume Number	10
e-ISSN	17554543
Issue Number	Issue 14, Nov (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/10/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2017.0092
Journal	IET Power Electronics
Publisher Date	2017-07-17
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Clamped Diodes Diode Reverse Recovery Issue Reduction Distributed Generation System Distributed Power Generation Field Effect Transistor Switches High Step-up Dual Switches Converter Insulated Gate Field Effect Transistors Metal Oxide Semiconductor Field Effect Transistor MOSFET Power Converter Power Supplies to Apparatus Power Supply Quality Reduced Power Device Voltage Stress Relay And Switches Schottky Diode Schottoky Diode Switching Converter Three-winding Coupled Inductor Voltage Multiplier Voltage Multipliers Voltage Spike
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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