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Open AccessArticle

A New High-Gain DC-DC Converter with Continuous Input Current for DC Microgrid Applications

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Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan
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Department of Electrical Engineering, ZHCET, Aligarh Muslim University, Aligarh 202002, India
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Electrical Engineering Department, Integral University, Lucknow 226021, India
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Electronics Instrumentation & Control Engineering Department, College of Engineering, Ajmer 305001, India
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Energy Exemplar (Singapore) Pte Ltd., 9 Battery Road, Singapore 049910, Singapore
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Department of Electrical Engineering, College of Engineering, Taif University, Taif 21944, Saudi Arabia
*
Authors to whom correspondence should be addressed.
Academic Editor: Teuvo Suntio
Energies 2021, 14(9), 2629; https://doi.org/10.3390/en14092629
Received: 18 March 2021 / Revised: 18 April 2021 / Accepted: 27 April 2021 / Published: 4 May 2021
(This article belongs to the Special Issue Direct Current (DC) Distribution Grids and Microgrids)
The growth of renewable energy in the last two decades has led to the development of new power electronic converters. The DC microgrid can operate in standalone mode, or it can be grid-connected. A DC microgrid consists of various distributed generation (DG) units like solar PV arrays, fuel cells, ultracapacitors, and microturbines. The DC-DC converter plays an important role in boosting the output voltage in DC microgrids. DC-DC converters are needed to boost the output voltage so that a common voltage from different sources is available at the DC link. A conventional boost converter (CBC) suffers from the problem of limited voltage gain, and the stress across the switch is usually equal to the output voltage. The output from DG sources is low and requires high-gain boost converters to enhance the output voltage. In this paper, a new high-gain DC-DC converter with quadratic voltage gain and reduced voltage stress across switching devices was proposed. The proposed converter was an improvement over the CBC and quadratic boost converter (QBC). The converter utilized only two switched inductors, two capacitors, and two switches to achieve the gain. The converter was compared with other recently developed topologies in terms of stress, the number of passive components, and voltage stress across switching devices. The loss analysis also was done using the Piecewise Linear Electrical Circuit Simulation (PLCES). The experimental and theoretical analyses closely agreed with each other. View Full-Text
Keywords: voltage stress; distributed generation (DG); high gain; quadratic boost voltage stress; distributed generation (DG); high gain; quadratic boost
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MDPI and ACS Style

Ahmad, J.; Zaid, M.; Sarwar, A.; Lin, C.-H.; Asim, M.; Yadav, R.K.; Tariq, M.; Satpathi, K.; Alamri, B. A New High-Gain DC-DC Converter with Continuous Input Current for DC Microgrid Applications. Energies 2021, 14, 2629. https://doi.org/10.3390/en14092629

AMA Style

Ahmad J, Zaid M, Sarwar A, Lin C-H, Asim M, Yadav RK, Tariq M, Satpathi K, Alamri B. A New High-Gain DC-DC Converter with Continuous Input Current for DC Microgrid Applications. Energies. 2021; 14(9):2629. https://doi.org/10.3390/en14092629

Chicago/Turabian Style

Ahmad, Javed; Zaid, Mohammad; Sarwar, Adil; Lin, Chang-Hua; Asim, Mohammed; Yadav, Raj K.; Tariq, Mohd; Satpathi, Kuntal; Alamri, Basem. 2021. "A New High-Gain DC-DC Converter with Continuous Input Current for DC Microgrid Applications" Energies 14, no. 9: 2629. https://doi.org/10.3390/en14092629

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