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Control and Admitta...
Control and Admittance Modeling of an AC/AC Modular Multilevel Converter for Railway Supplies
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- Bessegato, Luca (författare)
- KTH,Elkraftteknik,Järnvägsgruppen, JVG
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- Ilves, Kalle (författare)
- KTH,Elkraftteknik
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Harnefors, Lennart, 1968- (författare)
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- Norrga, Staffan, 1968- (författare)
- KTH,Elkraftteknik
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- Östlund, Stefan, 1961- (författare)
- KTH,Elkraftteknik
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visa färre...
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(creator_code:org_t)
- 2019
- 2019
- Engelska.
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Ingår i: IEEE transactions on power electronics. - 0885-8993 .- 1941-0107.
- Relaterad länk:
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https://kth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Modular multilevel converters (MMCs) can be configured to perform ac/ac conversion, which makes them suitable as railway power supplies. In this paper, a hierarchical control scheme for ac/ac MMCs for railway power supplies is devised and evaluated, considering the requirements and the operating conditions specific to this application. Furthermore, admittance models of the ac/ac MMC are developed, showing how the suggested hierarchical control scheme affects the three-phase and the single-phase side admittances of the converter. These models allow for analyzing the stability of the interconnected system using the impedance-based stability criterion and the passivity-based stability assessment. Finally, the findings presented in this paper are validated experimentally, using a down-scaled MMC.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Modular multilevel converters
- ac/ac converters
- current control
- voltage control
- admittance
- frequency-domain analysis
- linearization techniques
- stability
- railway engineering.
- Electrical Engineering
- Elektro- och systemteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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