Medium voltage multilevel converters for ship electric propulsion drives

An increasing number of ships are being integrated with electric propulsion systems and a significant proportion of these require variable frequency drives in the multi-megawatt range. At such large power, medium voltage AC (MVAC) drive offers numerous advantages over low voltage AC (LVAC) solution....

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Bibliographic Details
Main Authors: Thantirige, Kalpani, Rathore, Akshay Kumar, Panda, Sanjib Kumar, Jayasignhe, Gamini, Zagrodnik, Michael Adam, Gupta, Amit Kumar
Format: Conference Proceeding
Language:English
Subjects:
Electric potential
Electric power generation
Electric propulsion
Inverters
Marine
Marine electric propulsion
Marine vehicles
Medium voltage
Multilevel
Multilevel converter
Power semiconductor devices
Power systems
Propulsion
Reliability
Ships
Topology
Variable frequency drives
Voltage
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Summary:An increasing number of ships are being integrated with electric propulsion systems and a significant proportion of these require variable frequency drives in the multi-megawatt range. At such large power, medium voltage AC (MVAC) drive offers numerous advantages over low voltage AC (LVAC) solution. This paper examines the state-of-the art MV drives and their development trends for marine applications. Further, a review is carried out on multilevel converter (MLC) topologies suitable for high power ship propulsion drives. A variety of topologies are evaluated for marine applications based their specific requirements. From the review, it is concluded that hybrid solution seems the most attractive option for the specified application.
ISSN:2165-9400
2165-9427
DOI:10.1109/ESARS.2015.7101463