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Multi-agent voltage balancing in modular motor drives with series-connected power electronic converters

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Abstract
Modular motor drives can be considered as multi-agent systems, in which the agents can work together to reach a common goal. One agent in such a modular motor drive consists of only a subset of the machine phases and power electronic converter modules, and is equipped with a dedicated controller. When the dc-links of the different agents are connected in series to a single voltage source, giving rise to a so-called stacked polyphase bridges converter, the power electronic converter components can have low voltage ratings. However, a voltage balancing controller must ensure that the total dc-link voltage is distributed evenly among the agents when working in motoring mode. The goal of this research is to propose a multi-agent voltage balancing algorithm based on dynamic average consensus, which depends solely on local computations, local measurements, and neighbour-to-neighbour communication. The scalability and reliability of the modular hardware are hence extended towards the control. Simulations and experimental results on a 4 kW modular axial-flux PMSM demonstrate the feasibility of the concept.
Keywords
AC motor drives, permanent magnet machines, DISTRIBUTED CONTROL, DC-LINK

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MLA
Verkroost, Lynn, et al. “Multi-Agent Voltage Balancing in Modular Motor Drives with Series-Connected Power Electronic Converters.” IET POWER ELECTRONICS, 2024, doi:10.1049/pel2.12452.
APA
Verkroost, L., Vande Ghinste, A., Vanthuyne, K., Van Damme, J., De Belie, F., Sergeant, P., & Vansompel, H. (2024). Multi-agent voltage balancing in modular motor drives with series-connected power electronic converters. IET POWER ELECTRONICS. https://doi.org/10.1049/pel2.12452
Chicago author-date
Verkroost, Lynn, Alexander Vande Ghinste, Karel Vanthuyne, Jordi Van Damme, Frederik De Belie, Peter Sergeant, and Hendrik Vansompel. 2024. “Multi-Agent Voltage Balancing in Modular Motor Drives with Series-Connected Power Electronic Converters.” IET POWER ELECTRONICS. https://doi.org/10.1049/pel2.12452.
Chicago author-date (all authors)
Verkroost, Lynn, Alexander Vande Ghinste, Karel Vanthuyne, Jordi Van Damme, Frederik De Belie, Peter Sergeant, and Hendrik Vansompel. 2024. “Multi-Agent Voltage Balancing in Modular Motor Drives with Series-Connected Power Electronic Converters.” IET POWER ELECTRONICS. doi:10.1049/pel2.12452.
Vancouver
1.
Verkroost L, Vande Ghinste A, Vanthuyne K, Van Damme J, De Belie F, Sergeant P, et al. Multi-agent voltage balancing in modular motor drives with series-connected power electronic converters. IET POWER ELECTRONICS. 2024;
IEEE
[1]
L. Verkroost et al., “Multi-agent voltage balancing in modular motor drives with series-connected power electronic converters,” IET POWER ELECTRONICS, 2024.
@article{01H0F6AN5B8XWG7CQEQKDYTYED,
  abstract     = {{Modular motor drives can be considered as multi-agent systems, in which the agents can work together to reach a common goal. One agent in such a modular motor drive consists of only a subset of the machine phases and power electronic converter modules, and is equipped with a dedicated controller. When the dc-links of the different agents are connected in series to a single voltage source, giving rise to a so-called stacked polyphase bridges converter, the power electronic converter components can have low voltage ratings. However, a voltage balancing controller must ensure that the total dc-link voltage is distributed evenly among the agents when working in motoring mode. The goal of this research is to propose a multi-agent voltage balancing algorithm based on dynamic average consensus, which depends solely on local computations, local measurements, and neighbour-to-neighbour communication. The scalability and reliability of the modular hardware are hence extended towards the control. Simulations and experimental results on a 4 kW modular axial-flux PMSM demonstrate the feasibility of the concept.}},
  author       = {{Verkroost, Lynn and Vande Ghinste, Alexander and Vanthuyne, Karel and Van Damme, Jordi and De Belie, Frederik and Sergeant, Peter and Vansompel, Hendrik}},
  issn         = {{1755-4535}},
  journal      = {{IET POWER ELECTRONICS}},
  keywords     = {{AC motor drives,permanent magnet machines,DISTRIBUTED CONTROL,DC-LINK}},
  language     = {{eng}},
  pages        = {{10}},
  title        = {{Multi-agent voltage balancing in modular motor drives with series-connected power electronic converters}},
  url          = {{http://doi.org/10.1049/pel2.12452}},
  year         = {{2024}},
}

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