A New Non-isolated High Step-up DC-DC Converter based on Active-Network and Coupled Inductors

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Souri O.; HEYDARI M.; NAJAFI E.

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Journal Paper

Paper Information

Journal: TABRIZ JOURNAL OF ELECTRICAL ENGINEERING Year:2021 | Volume:50 | Issue:4 (94) Page(s): 1647-1659

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Information Journal Paper

Title

A New Non-isolated High Step-up DC-DC Converter based on Active-Network and Coupled Inductors

Author(s)

Souri O. | HEYDARI M. | NAJAFI E. | Issue Writer Certificate

Keywords

DC-DC step-up converter

high voltage gain

coupled inductor

active-network

Abstract

In this paper, a new high step-up DC-DC converter is proposed for renewable energy systems. The proposed converter is based on active-network and coupled inductors. Using the coupled inductors alongside active-network leads to high step-up voltage gain in low duty cycle of power switches in such a way that with the same duty cycle and turns ratio of coupled inductors, the voltage gain of the proposed converter is nearly two times more than other counterpart converters. Furthermore, the voltage stress of the semiconductor switches is very low and slightly dependent on the power switches duty cycle and with the same voltage gain, it is less than half of the voltage stress of the other counterpart converters. The steady state operation of the proposed converter is investigated under continuous conduction mode (CCM), discontinuous conduction mode (DCM) and boundary conduction mode (BCM) and also the voltage gain is calculated in CCM and DCM modes. Voltage stress across all semiconductor devices is also achieved in CCM mode. The simulation results confirm the validity of theoretical analysis as well as the proper performance of the proposed converter.

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APA: Copy

Souri, O., HEYDARI, M., & NAJAFI, E.. (2021). A New Non-isolated High Step-up DC-DC Converter based on Active-Network and Coupled Inductors. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, 50(4 (94) ), 1647-1659. SID. https://sid.ir/paper/965515/en

Vancouver: Copy

Souri O., HEYDARI M., NAJAFI E.. A New Non-isolated High Step-up DC-DC Converter based on Active-Network and Coupled Inductors. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING[Internet]. 2021;50(4 (94) ):1647-1659. Available from: https://sid.ir/paper/965515/en

IEEE: Copy

O. Souri, M. HEYDARI, and E. NAJAFI, “A New Non-isolated High Step-up DC-DC Converter based on Active-Network and Coupled Inductors,” TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, vol. 50, no. 4 (94) , pp. 1647–1659, 2021, [Online]. Available: https://sid.ir/paper/965515/en

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