Study of overcurrent protection for modular multilevel converter

Grinberg, Roman; Bjornstad, E.; Steimer, P.; Korn, A.; Winkelnkemper, M.; Gerardi, D.; Senturk, O.; Apeldoorn, O.; Li, J. (2014). Study of overcurrent protection for modular multilevel converter In: 2014 IEEE Energy Conversion Congress and Exposition (ECCE) (pp. 3401-3407). IEEE 10.1109/ECCE.2014.6953862

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In this paper, protection of modular multilevel converter with half-bridge cells against overcurrent faults, which cannot be cleared by the converter, is investigated. Converter design with cell redundancy and a coupled branch reactor is considered. Special consideration is given to a separation of protection and permanent bypass functionality. Critical overcurrent protection design aspects are shown and supported by experimental data. Impact of reactor inductance mismatch in the branches on overcurrent protection design is investigated. This work was carried out within the frame of European FP7 program and its support is gratefully acknowledged.

Item Type:	Conference or Workshop Item (Paper)
Division/Institute:	School of Engineering and Computer Science
Name:	Grinberg, Roman; Bjornstad, E.; Steimer, P.; Korn, A.; Winkelnkemper, M.; Gerardi, D.; Senturk, O.; Apeldoorn, O. and Li, J.
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
ISBN:	978-1-4799-5776-7
Publisher:	IEEE
Language:	English
Submitter:	Roman Grinberg
Date Deposited:	21 Sep 2021 11:26
Last Modified:	23 Sep 2021 07:59
Publisher DOI:	10.1109/ECCE.2014.6953862
ARBOR DOI:	10.24451/arbor.15420
URI:	https://arbor.bfh.ch/id/eprint/15420