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Decentralized converter controller for multiterminal HVDC grids

Georgios Stamatiou (Institutionen för energi och miljö, Elteknik) ; Massimo Bongiorno (Institutionen för energi och miljö, Elteknik)
15th European Conference on Power Electronics and Applications (EPE), 2-6 Sept. 2013, Lille, France p. Article number 6634680. (2013)
[Konferensbidrag, refereegranskat]

Multiterminal High Voltage Direct Current (MTDC) grids based on Voltage Source Converters (VSC) are considered ideal for the future integration of large scale and highly distributed renewable power generation, as well as interconnection of remote power systems. The control of such grids is challenging as it is necessary to provide accurate power flow control and multiple voltage controlling stations. Existing control techniques either fail to fulfill those requirements or achieve them at a cost of maintaining a communication channel between the local station controllers and a master central control level. This paper suggests a decentralized controller for MTDC grids that ensures accurate power flow control, provides voltage control capabilities to all stations and requires no need for communication between the stations. The validity of the controller was tested in a five-terminal MTDC model proving its functionality.

Nyckelord: HVDC, Multiterminal, Converter Control, AC fault, DC fault, Controller



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Denna post skapades 2013-10-25. Senast ändrad 2015-10-05.
CPL Pubid: 185666

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik

Ämnesområden

Energi
Reglerteknik
Elektroteknik
Elkraftteknik

Chalmers infrastruktur