NDLI: Interleaved centre clamped forward converter (ICCFC) for wide input voltage range applications

Content Provider	IET Digital Library
Author	Veeraraghavalu, Rajini Dheeraj, Alagu
Abstract	A new interleaved centre clamped forward converter for high current applications is proposed. It is a series input and series output structure with common active clamp reset branch. In the proposed converter, both the high input voltage stress and output current stress are reduced. The converter comprises of two active clamp forward converters with one common centre clamp reset circuit and the series output comprises of a current double rectifier (CDR) with self-driven synchronous rectifier (SDSR). The capacitor divider at the input reduces the switching stress due to input voltage. The common centre clamp circuit enables the transformer core reset without any additional circuit and enables zero volt switching. The SDSR-based CDR reduces burden on the secondary side of the transformer by an additional current sharing. Extended duty cycle beyond 50% is achieved. Overall reduction in the size of magnetic components with reduced part count and high-power density is attained. Prototype for 50 W with input voltage in the range of 50—200 V, 5 V/10 A output at 100 kHz was developed. The experimental results match the theoretical investigations.
Starting Page	3369
Ending Page	3377
Page Count	9
ISSN	17554535
Volume Number	12
e-ISSN	17554543
Issue Number	Issue 13, Nov (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/12/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.0254
Journal	IET Power Electronics
Publisher Date	2019-09-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Capacitor Divider Common Active Clamp Reset Branch Common Centre Clamp Reset Circuit Current 10.0 A Current Double Rectifier Current Sharing Extended Duty Cycle Frequency 100.0 KHz High Current Application High Input Voltage Stress High-power Density ICCFC Interleaved Centre Clamped Forward Converter Magnetic Component Size Reduction Magnetic Core Other Power Apparatus And Electric Machine Output Current Stress Reduction Power 50.0 W Power Capacitor Power Converter Power Electronics Power Supplies to Apparatus Power Supply Rectifier Rectifying Circuit SDSR-based CDR Self-driven Synchronous Rectifier Series Input Structure Series Output Structure Supervisory Circuit Switching Converter Switching Stress Reduction Transformer And Reactors Transformer Core Transformer Cores Voltage 5.0 V Voltage 50.0 V to 200.0 V Wide Input Voltage Range Application Zero Volt Switching Zero Voltage Switching
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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