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EnglishThis paper proposes a digital multi-loop control strategy for a 3-level unidirectional rectifier specifically targeted to electric vehicle (EV) ultra-fast charging applications. The basic operation of a 3-level rectifier is described and the state-space model of the complete system is explained, with particular focus on the mid-point current generation process. By means of an appropriate modeling of the delays and the discretization introduced by the digital control implementation, four controllers (i.e. dq-currents, DC-link voltage and mid-point voltage balancing loops) are analytically designed in the continuous time domain with conventional techniques. Ultimately, the proposed controller design procedure is tested on a 50 kW, 20kHzT-type rectifier, both in simulation and hardware-in-the-loop (HIL) environments, verifying the dynamical performance of all control loops.
Digital Multi-Loop Control of a 3-Level Rectifier for Electric Vehicle Ultra-Fast Battery Chargers / Cittanti, Davide; Gregorio, Matteo; Bojoi, Radu. - (2020), pp. 1-6. ((Intervento presentato al convegno 2020 AEIT International Annual Conference (AEIT) tenutosi a Catania, Italy nel 23-25 Sept. 2020.
| Titolo: | Digital Multi-Loop Control of a 3-Level Rectifier for Electric Vehicle Ultra-Fast Battery Chargers | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Abstract: | This paper proposes a digital multi-loop control strategy for a 3-level unidirectional rectifier ...specifically targeted to electric vehicle (EV) ultra-fast charging applications. The basic operation of a 3-level rectifier is described and the state-space model of the complete system is explained, with particular focus on the mid-point current generation process. By means of an appropriate modeling of the delays and the discretization introduced by the digital control implementation, four controllers (i.e. dq-currents, DC-link voltage and mid-point voltage balancing loops) are analytically designed in the continuous time domain with conventional techniques. Ultimately, the proposed controller design procedure is tested on a 50 kW, 20kHzT-type rectifier, both in simulation and hardware-in-the-loop (HIL) environments, verifying the dynamical performance of all control loops. | |
| ISBN: | 978-8-8872-3747-4 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Main.pdf | 2. Post-print / Author's Accepted Manuscript | PUBBLICO - Tutti i diritti riservati | Visibile a tuttiVisualizza/Apri | |
| 09241196.pdf | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/2850892
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