NDLI: Improvement in voltage conversion ratio for step up converter established by KY and buck–boost converters based on coupled inductor

Content Provider	IET Digital Library
Author	Hwu, Kuo Ing Jiang, Wen Zhuang
Abstract	In this study, a novel voltage-boosting converter is presented, which combines a charge pump and a coupled inductor with the turns ratio. It aims to improve the intrinsic disadvantages of the traditional boost converter and buck–boost converter. In addition, the corresponding voltage gain is greater than that of the existing step up converter combing KY and buck–boost converters. Since the proposed converter possesses an output inductor, the output current is non-pulsating, resulting in a relatively small output voltage ripple. Above all, part of the leakage inductance energy can be recycled to the output capacitor of the buck–boost converter. In this study, the operating principles and the power flow analyses are firstly discussed in detail, and finally, an experimental prototype with a 12 V input voltage, 96 V output voltage and 60 W output power is used to verify the effectiveness of the proposed converter.
Starting Page	1457
Ending Page	1465
Page Count	9
ISSN	17554535
Volume Number	7
e-ISSN	17554543
Issue Number	Issue 6, Jun (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/7/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2013.0488
Journal	IET Power Electronics
Publisher Date	2014-02-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Buck-boost Converter Capacitor Charge Pump Charge Pump Circuit Coupled Inductor Inductance Inductor Inductors And Transformer KY Converter Leakage Inductance Energy Load Flow Power 60 W Power Converter Power Electronics Power Flow Analysis Power Supply Supervisory Circuit Voltage 12 V Voltage 96 V Voltage Conversion Ratio Voltage Ripple Voltage-boosting Converter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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