A Family of High Frequency Isolated Impedance Source DC-DC Converters for Distributed Power Generation Systems

Zeeshan Aleem; Hyoung Kyu Yang; Jung Wook Park

doi:10.1109/ECCE44975.2020.9236147

A Family of High Frequency Isolated Impedance Source DC-DC Converters for Distributed Power Generation Systems

Zeeshan Aleem, Hyoung Kyu Yang, Jung Wook Park

Department of Electrical and Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

This paper proposes a new family of high frequency isolated Z-source dc-dc converters (ZSDCs) intended for distributed power generation systems. The proposed converters employs high frequency isolation between the load and the source and provides a wide range of buck and boost functions with improved reliability and good efficiency. The proposed converters can increase the output voltage by either adjusting the duty cycle, turns ratio of the coupled inductors (n), or by changing the high frequency transformer turn ratio (m) giving more flexibility in modifying the gain. It is expected that the benefits of proposed converters makes them a practical candidate for distributed power generation systems that can convert a varying low dc-input voltage into required stabilized output voltage with essential galvanic isolation. In this paper, several isolated ZSDC are presented, and an example isolated improved G-ZSDC is shown and discussed in detail with theoretical analysis followed up by verifications through simulations.

Original language	English
Title of host publication	ECCE 2020 - IEEE Energy Conversion Congress and Exposition
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1267-1272
Number of pages	6
ISBN (Electronic)	9781728158266
DOIs	https://doi.org/10.1109/ECCE44975.2020.9236147
Publication status	Published - 2020 Oct 11
Event	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020 - Virtual, Detroit, United States Duration: 2020 Oct 11 → 2020 Oct 15

Publication series

Name	ECCE 2020 - IEEE Energy Conversion Congress and Exposition

Conference

Conference	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020
Country/Territory	United States
City	Virtual, Detroit
Period	20/10/11 → 20/10/15

Bibliographical note

Funding Information:
National Research Foundation of Korea (NRF) grant funded by the Ministry of Science and ICT (MIST), Korea government (No. 2020R1A3B2079407).

Publisher Copyright:
© 2020 IEEE.

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering
Mechanical Engineering
Control and Optimization
Energy Engineering and Power Technology

Access to Document

10.1109/ECCE44975.2020.9236147

Cite this

Aleem, Z., Yang, H. K., & Park, J. W. (2020). A Family of High Frequency Isolated Impedance Source DC-DC Converters for Distributed Power Generation Systems. In ECCE 2020 - IEEE Energy Conversion Congress and Exposition (pp. 1267-1272). [9236147] (ECCE 2020 - IEEE Energy Conversion Congress and Exposition). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE44975.2020.9236147

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abstract = "This paper proposes a new family of high frequency isolated Z-source dc-dc converters (ZSDCs) intended for distributed power generation systems. The proposed converters employs high frequency isolation between the load and the source and provides a wide range of buck and boost functions with improved reliability and good efficiency. The proposed converters can increase the output voltage by either adjusting the duty cycle, turns ratio of the coupled inductors (n), or by changing the high frequency transformer turn ratio (m) giving more flexibility in modifying the gain. It is expected that the benefits of proposed converters makes them a practical candidate for distributed power generation systems that can convert a varying low dc-input voltage into required stabilized output voltage with essential galvanic isolation. In this paper, several isolated ZSDC are presented, and an example isolated improved G-ZSDC is shown and discussed in detail with theoretical analysis followed up by verifications through simulations.",

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Aleem, Z, Yang, HK & Park, JW 2020, A Family of High Frequency Isolated Impedance Source DC-DC Converters for Distributed Power Generation Systems. in ECCE 2020 - IEEE Energy Conversion Congress and Exposition., 9236147, ECCE 2020 - IEEE Energy Conversion Congress and Exposition, Institute of Electrical and Electronics Engineers Inc., pp. 1267-1272, 12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020, Virtual, Detroit, United States, 20/10/11. https://doi.org/10.1109/ECCE44975.2020.9236147

A Family of High Frequency Isolated Impedance Source DC-DC Converters for Distributed Power Generation Systems. / Aleem, Zeeshan; Yang, Hyoung Kyu; Park, Jung Wook.

ECCE 2020 - IEEE Energy Conversion Congress and Exposition. Institute of Electrical and Electronics Engineers Inc., 2020. p. 1267-1272 9236147 (ECCE 2020 - IEEE Energy Conversion Congress and Exposition).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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Aleem Z, Yang HK, Park JW. A Family of High Frequency Isolated Impedance Source DC-DC Converters for Distributed Power Generation Systems. In ECCE 2020 - IEEE Energy Conversion Congress and Exposition. Institute of Electrical and Electronics Engineers Inc. 2020. p. 1267-1272. 9236147. (ECCE 2020 - IEEE Energy Conversion Congress and Exposition). doi: 10.1109/ECCE44975.2020.9236147

A Family of High Frequency Isolated Impedance Source DC-DC Converters for Distributed Power Generation Systems

Abstract

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