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Control of VSC connected to the grid through LCL-filter to achieve balanced currents

Fainan Magueed (Institutionen för energi och miljö, Elteknik) ; Jan Svensson
IEEE Industry Application Conference (IAS'05) p. 572-579. (2005)
[Konferensbidrag, refereegranskat]

Grid-connected voltage source converters (VSCs) are the heart of many applications with power quality concerns due to their reactive power controllability. However, the major drawback is their sensitivity to grid disturbances. Moreover, when VSCs are used in DG applications, voltage unbalance may be intolerant. The current protection may trip due to current unbalance or due to overcurrent. In this paper, a vector current controller for VSC connected to the grid through LCL-filter is developed with the main focus on producing symmetrical and balanced currents in case of unbalanced voltage dips. Implementing this controller helps the VSC system not to trip during voltage dips.

Nyckelord: - DG, LCL-filter, power quality, VSC, vector current control, voltage dips

Denna post skapades 2006-08-25.
CPL Pubid: 11010


Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik (2005-2017)



Chalmers infrastruktur

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Denna publikation ingår i:

Converter Interfaced Distributed Generation - Grid Interconnection Issues