Abstract
As per the increasing demand for energy and to save the environment, it is necessary to depend on non-conventional energy resources. One of the best alternatives adopted is solar photovoltaic (PV) system which produces the DC output. Currently, this DC output of solar PV system is converted into AC with the help of an inverter and again converted back to DC as per the need of the application. To improve the overall efficiency, conversion losses (from DC to AC then AC to DC) can be avoided by using a boost converter. To obtain N levels of output voltage, conventional boost converter along with capacitor, diode, electronic switch and inductor can be used as a DC–DC multilevel boost converter (MBC). This paper proposes an MBC topology in which a non-isolating circuit is designed and operated at high frequency. High-frequency operation results in the reduction of size of inductor and capacitor used and the ripple also reduces. The structure of the circuit is multimodular to convert low input dc voltage to high output dc voltage with low rating devices at low duty cycle. This makes the circuit more suitable for various applications such as PV system, fuel cell, home automation and electric vehicle. A detailed mathematical analysis of the proposed topology is given. To verify the mathematical results, simulations are done in MATLAB/Simulink.
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Kumar, D., Kalra, D., Kumar, D. (2020). Design and Analysis of a Multilevel DC–DC Boost Converter. In: Singh Tomar, G., Chaudhari, N.S., Barbosa, J.L.V., Aghwariya, M.K. (eds) International Conference on Intelligent Computing and Smart Communication 2019. Algorithms for Intelligent Systems. Springer, Singapore. https://doi.org/10.1007/978-981-15-0633-8_108
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DOI: https://doi.org/10.1007/978-981-15-0633-8_108
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