Soft Switched High gain Boost converter for Low Voltage Applications

An improved non-isolated high voltage gain boost converter (NI-HGBC) with a switched capacitor is proposed for low voltage energy application. Here switched capacitor is integrated to obtain high voltage gain. The proposed soft-switched high voltage gain boost converter has low voltage stress and hi...

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Bibliographic Details
Main Authors: Kumar, Manikant, Mathuriya, Kirti, Yadav, Vinod Kumar, Verma, Arun Kumar
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
Coupled inductor
High gain boost converter (HGBC)
High-voltage techniques
Low voltage
MOSFET
Prototypes
Renewable energy sources
Switched capacitor
Switches
Zero current switching (ZCS)
Zero voltage switching (ZVS)
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Summary:An improved non-isolated high voltage gain boost converter (NI-HGBC) with a switched capacitor is proposed for low voltage energy application. Here switched capacitor is integrated to obtain high voltage gain. The proposed soft-switched high voltage gain boost converter has low voltage stress and high efficiency. This considerably reduces high frequency turn-off losses and reverse recovery losses across diodes. The proposed converter requires a single pulse to trigger switches which minimize the complexity of the control circuit. This article emphasized the development of NI-HGBC with the input of 48 V and the output of 380 V for the requirement of a grid-connected inverter however the developed converter can be used for fuel cells (FCs) and electrical vehicle charging (EVs) application also. Implementation of 250 W prototype high gain boost converter is built, tested and the result is verified. Measured full load efficiency of the converter is 95.50 %.
ISSN:2329-3748
DOI:10.1109/ECCE47101.2021.9595270