Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers

Felipe L. Ruiz; Marcelo A. Perez; Freddy Flores-Bahamonde; Mariusz Malinowski

doi:10.1109/IECON48115.2021.9589961

Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers

Felipe L. Ruiz, Marcelo A. Perez, Freddy Flores-Bahamonde, Mariusz Malinowski

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

Abstract

Solid state transformers based on modular structures have become a suitable alternative to provide high voltage rating, reliability, and fault tolerance at the distribution level. Among them, the SST based on Modular Multilevel Converter with an input-series output-parallel interconnected by Dual Active Bridges configuration appears as a good solution to reach high voltage levels at the input and large currents at the output stage. However, the parallelization of SM generates cross-circulating currents among modules. In this paper, the cross-circulating currents are controlled and mitigated by a decoupled linear control. Simulation results shown the cross-circulating currents and their dependency under mismatches in both inductance and resistances.

Original language	English
Title of host publication	IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society
Publisher	IEEE Computer Society
ISBN (Electronic)	9781665435543
DOIs	https://doi.org/10.1109/IECON48115.2021.9589961
Publication status	Published - 13 Oct 2021
Event	47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021 - Toronto, Canada Duration: 13 Oct 2021 → 16 Oct 2021

Publication series

Name	IECON Proceedings (Industrial Electronics Conference)
Volume	2021-October

Conference

Conference	47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021
Country/Territory	Canada
City	Toronto
Period	13/10/21 → 16/10/21

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/IECON48115.2021.9589961

Cite this

Ruiz, F. L., Perez, M. A., Flores-Bahamonde, F., & Malinowski, M. (2021). Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers. In IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society (IECON Proceedings (Industrial Electronics Conference); Vol. 2021-October). IEEE Computer Society. https://doi.org/10.1109/IECON48115.2021.9589961

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title = "Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers",

abstract = "Solid state transformers based on modular structures have become a suitable alternative to provide high voltage rating, reliability, and fault tolerance at the distribution level. Among them, the SST based on Modular Multilevel Converter with an input-series output-parallel interconnected by Dual Active Bridges configuration appears as a good solution to reach high voltage levels at the input and large currents at the output stage. However, the parallelization of SM generates cross-circulating currents among modules. In this paper, the cross-circulating currents are controlled and mitigated by a decoupled linear control. Simulation results shown the cross-circulating currents and their dependency under mismatches in both inductance and resistances.",

author = "Ruiz, {Felipe L.} and Perez, {Marcelo A.} and Freddy Flores-Bahamonde and Mariusz Malinowski",

note = "Publisher Copyright: {\textcopyright} 2021 IEEE.; 47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021 ; Conference date: 13-10-2021 Through 16-10-2021",

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doi = "10.1109/IECON48115.2021.9589961",

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Ruiz, FL, Perez, MA, Flores-Bahamonde, F & Malinowski, M 2021, Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers. in IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society. IECON Proceedings (Industrial Electronics Conference), vol. 2021-October, IEEE Computer Society, 47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021, Toronto, Canada, 13/10/21. https://doi.org/10.1109/IECON48115.2021.9589961

Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers. / Ruiz, Felipe L.; Perez, Marcelo A.; Flores-Bahamonde, Freddy et al.
IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society. IEEE Computer Society, 2021. (IECON Proceedings (Industrial Electronics Conference); Vol. 2021-October).

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

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T1 - Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers

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AU - Malinowski, Mariusz

PY - 2021/10/13

Y1 - 2021/10/13

N2 - Solid state transformers based on modular structures have become a suitable alternative to provide high voltage rating, reliability, and fault tolerance at the distribution level. Among them, the SST based on Modular Multilevel Converter with an input-series output-parallel interconnected by Dual Active Bridges configuration appears as a good solution to reach high voltage levels at the input and large currents at the output stage. However, the parallelization of SM generates cross-circulating currents among modules. In this paper, the cross-circulating currents are controlled and mitigated by a decoupled linear control. Simulation results shown the cross-circulating currents and their dependency under mismatches in both inductance and resistances.

AB - Solid state transformers based on modular structures have become a suitable alternative to provide high voltage rating, reliability, and fault tolerance at the distribution level. Among them, the SST based on Modular Multilevel Converter with an input-series output-parallel interconnected by Dual Active Bridges configuration appears as a good solution to reach high voltage levels at the input and large currents at the output stage. However, the parallelization of SM generates cross-circulating currents among modules. In this paper, the cross-circulating currents are controlled and mitigated by a decoupled linear control. Simulation results shown the cross-circulating currents and their dependency under mismatches in both inductance and resistances.

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M3 - Conference contribution

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T3 - IECON Proceedings (Industrial Electronics Conference)

BT - IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society

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Control of cross-circulating currents in a MMC with parallel connected arms in Solid State Transformers

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