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Operation modes and design consideration for MMC with unipolar current full-bridge submodules

Year: 2025

Type: conference-paper

Abstract: The unipolar current full-bridge submodule (SM) for modular multilevel converters (MMC) operates with unipolar current and bipolar voltage. Two basic operating modes for unipolar arm currents are presented, described, and analyzed. The differences between the two idealized operating modes are further discussed regarding the system design of an MMC. The design factors for current and voltage in the DClink differ, which leads, for example, to different numbers of SMs and power losses. These aspects are presented as examples and trade-offs are summarized.

Source: HAL (Le Centre pour la Communication Scientifique Directe)

DOI: 10.34746/epe2025-0017

Authors: Geske, Matin, Abbi, Hatim, Basic, Duro

Language: English

Topic: HVDC Systems and Fault Protection

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Industry, innovation and infrastructure

Open Access status: green

OpenAlex ID: W4416288960

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