NDLI: Analysis and implementation of a boost DC–DC converter with high voltage gain and continuous input current

Content Provider	IET Digital Library
Author	Sedaghati, Farzad Pourjafar, Saeed
Abstract	In this study, a new high-voltage gain DC–DC converter based on the coupled inductor and voltage lift circuit technique is proposed. In the suggested converter, a high-voltage conversion ratio is achieved using a low turn's ratio of the coupled inductor which decreases the volume of core. Also, by selecting the low number of turn's ratio of coupled inductors, the peak voltage through the semiconductors is decreased subsequently. Moreover, the voltage lift circuit is utilised for further increasing the voltage gain and clamping the voltage spike through the main power switch. Zero current switching condition of diodes is another merit of the proposed DC–DC converter, which leads to decrease in the reverse recovery losses generated by diodes. Therefore, the overall efficiency can be enhanced. Technical analysis and comparison surveys with similar topologies are provided to demonstrate the effectiveness of the suggested DC–DC converter. Finally, to validate the performance of the proposed structure, a laboratory prototype with a 200 W power level and 25 kHz operating frequency is implemented.
Starting Page	798
Ending Page	807
Page Count	10
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 4, Mar (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.0973
Journal	IET Power Electronics
Publisher Date	2019-11-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Boost DC–DC Converter Coupled Inductor DC-DC Power Converter Frequency 25.0 KHz High Voltage Gain High-voltage Conversion Ratio High-voltage Gain DC–DC Converter Inductor Low Turn Peak Voltage Power 200 W Power Converter Power Electronics Power Supplies to Apparatus Power Supply Suggested Converter Suggested DC–DC Converter Supervisory Circuit Voltage Lift Circuit Technique Voltage Spike Zero Current Switching Zero Current Switching Condition
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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