Design, modeling and implementation of a high step up z-source converter for connection of renewable energy source to the electrical grid

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Mirtalaei Sayyed Mohammad Mehdi; Tajmir Golnaz

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Journal: Modeling in Engineering Year:2018 | Volume:16 | Issue:53 Page(s): 221-229

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Information Journal Paper

Title

Design, modeling and implementation of a high step up z-source converter for connection of renewable energy source to the electrical grid

Author(s)

Mirtalaei Sayyed Mohammad Mehdi | Tajmir Golnaz | Issue Writer Certificate

Keywords

Boost ConverterQ2

Z-Source techniqueQ1

Switched CapacitorQ1

Coupled InductorQ1

Reduced Voltage StressQ1

Abstract

Today, solar energy, fuel cells and wind energy have attracted much attention as clean sources of energy. These sources can deliver energy either to the grid or directly to the consumer. The produced voltage level of these sources is usually low and needs to be increased. This problem can be solved using switching converters. These converters should have the ability to provide high voltage gain. In this paper, a high step-up switching converter is presented based on Z-Source technique. The proposed converter not only increases the voltage gain, but also reduces voltage and current stress of the switch, so, switches with small on-resistance cab be used which contributes to conducting loss reduction and efficiency improvement. Also, Coupled Inductors are used in this converter that reduces the circuit volume. At first, the operating modes of the proposed converter are analysed, then, an experimental prototype is designed, and the performance validity is investigated via simulation in PSPICE software. Finally, a practical sample of the proposed converter is implemented in 100 kHz and 200W output power. The obtained results verify the theoretical analysis as well as the correct performance of the proposed converter.

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APA: Copy

Mirtalaei, Sayyed Mohammad Mehdi, & Tajmir, Golnaz. (2018). Design, modeling and implementation of a high step up z-source converter for connection of renewable energy source to the electrical grid. JOURNAL OF MODELING IN ENGINEERING, 16(53 ), 221-229. SID. https://sid.ir/paper/357283/en

Vancouver: Copy

Mirtalaei Sayyed Mohammad Mehdi, Tajmir Golnaz. Design, modeling and implementation of a high step up z-source converter for connection of renewable energy source to the electrical grid. JOURNAL OF MODELING IN ENGINEERING[Internet]. 2018;16(53 ):221-229. Available from: https://sid.ir/paper/357283/en

IEEE: Copy

Sayyed Mohammad Mehdi Mirtalaei, and Golnaz Tajmir, “Design, modeling and implementation of a high step up z-source converter for connection of renewable energy source to the electrical grid,” JOURNAL OF MODELING IN ENGINEERING, vol. 16, no. 53 , pp. 221–229, 2018, [Online]. Available: https://sid.ir/paper/357283/en

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