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Novel current balancing method for HF interleaved converters with reduced control effort

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Details

OriginalspracheEnglisch
Titel des Sammelwerks24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
ISBN (elektronisch)9789075815399
ISBN (Print)978-1-6654-8700-9
PublikationsstatusVeröffentlicht - 2022
Veranstaltung24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe - Hanover, Deutschland
Dauer: 5 Sept. 20229 Sept. 2022

Abstract

The Active Neutral Point Clamped (ANPC) topology as a three level inverter is particularly well suited for subdivision into fundamental switching semiconductors and modulating fast switching semiconductors. This allows each semiconductor to be selected for its best characteristics. One part of a hybrid ANPC inverter can be realized with high frequency interleaved stages based on wide bandgap power semiconductors. A challenge is the calculation effort of the duty cycle for this high switching frequency, especially due to the interleaved based stages. It is often considered that the reduction of the calculation effort has a negative impact on the current accounting. This paper proposes a simplified method for the balancing of the current in the interleaved stages with significantly reduced control frequency. An active current symmetry should be implemented, which would be easier due to the reduced control effort. In this paper, this method is experimentally validated without active current symmetry control.

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Novel current balancing method for HF interleaved converters with reduced control effort. / Beckemeier, Christian; Friebe, Jens.
24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe. Institute of Electrical and Electronics Engineers Inc., 2022.

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Beckemeier, C & Friebe, J 2022, Novel current balancing method for HF interleaved converters with reduced control effort. in 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe. Institute of Electrical and Electronics Engineers Inc., 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe, Hanover, Deutschland, 5 Sept. 2022. <https://ieeexplore.ieee.org/document/9907349>
Beckemeier, C., & Friebe, J. (2022). Novel current balancing method for HF interleaved converters with reduced control effort. In 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe Institute of Electrical and Electronics Engineers Inc.. https://ieeexplore.ieee.org/document/9907349
Beckemeier C, Friebe J. Novel current balancing method for HF interleaved converters with reduced control effort. in 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe. Institute of Electrical and Electronics Engineers Inc. 2022
Beckemeier, Christian ; Friebe, Jens. / Novel current balancing method for HF interleaved converters with reduced control effort. 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe. Institute of Electrical and Electronics Engineers Inc., 2022.
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title = "Novel current balancing method for HF interleaved converters with reduced control effort",
abstract = "The Active Neutral Point Clamped (ANPC) topology as a three level inverter is particularly well suited for subdivision into fundamental switching semiconductors and modulating fast switching semiconductors. This allows each semiconductor to be selected for its best characteristics. One part of a hybrid ANPC inverter can be realized with high frequency interleaved stages based on wide bandgap power semiconductors. A challenge is the calculation effort of the duty cycle for this high switching frequency, especially due to the interleaved based stages. It is often considered that the reduction of the calculation effort has a negative impact on the current accounting. This paper proposes a simplified method for the balancing of the current in the interleaved stages with significantly reduced control frequency. An active current symmetry should be implemented, which would be easier due to the reduced control effort. In this paper, this method is experimentally validated without active current symmetry control.",
keywords = "Current sharing, High frequency power converter, Interleaved converter, Microcontrollers, Multi-level inverters",
author = "Christian Beckemeier and Jens Friebe",
note = "Funding Information: This work was supported by the Deutsche Forschungsgemeinschaft (German Research Foundation, DFG) through the Germany{\textquoteright}s Excellence Strategy - EXC 2163/1 - Sustainable and Energy Efficient Aviation - Project-ID 390881007.; 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe ; Conference date: 05-09-2022 Through 09-09-2022",
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Download

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AU - Beckemeier, Christian

AU - Friebe, Jens

N1 - Funding Information: This work was supported by the Deutsche Forschungsgemeinschaft (German Research Foundation, DFG) through the Germany’s Excellence Strategy - EXC 2163/1 - Sustainable and Energy Efficient Aviation - Project-ID 390881007.

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AB - The Active Neutral Point Clamped (ANPC) topology as a three level inverter is particularly well suited for subdivision into fundamental switching semiconductors and modulating fast switching semiconductors. This allows each semiconductor to be selected for its best characteristics. One part of a hybrid ANPC inverter can be realized with high frequency interleaved stages based on wide bandgap power semiconductors. A challenge is the calculation effort of the duty cycle for this high switching frequency, especially due to the interleaved based stages. It is often considered that the reduction of the calculation effort has a negative impact on the current accounting. This paper proposes a simplified method for the balancing of the current in the interleaved stages with significantly reduced control frequency. An active current symmetry should be implemented, which would be easier due to the reduced control effort. In this paper, this method is experimentally validated without active current symmetry control.

KW - Current sharing

KW - High frequency power converter

KW - Interleaved converter

KW - Microcontrollers

KW - Multi-level inverters

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