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Capacitor voltage balance performance comparison of MMC-STATCOM using NLC and PS-PWM strategies during negative sequence current injection

H. A. Pereira ; A. F. Cupertino ; L. S. Xavier ; A. Sangwongwanich ; L. Mathe ; Massimo Bongiorno (Institutionen för energi och miljö, Elteknik) ; R. Teodorescu
18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe, Karlsruhe, Germany, 5-9 September 2016 (2325-0313). (2016)
[Konferensbidrag, refereegranskat]

This paper addresses the modular multilevel converter applied as a static synchronous compensator. The main objective of this work is to compare the converter performance considering two different submodule capacitor voltage balancing strategies: nearest level control and phase-shifted pulse width modulation, during positive and negative sequence current injection. Results of a 15 MVA MMC STATCOM show that the nearest level control strategy has lower average switching frequency compared to the phase-shifted pulse width modulation strategy, considering comparable submodule capacitance voltage ripple.

Nyckelord: Multilevel converters, Static Synchronous Compensator (STATCOM), Modulation strategy, High voltage power converters, Reactive power



Denna post skapades 2016-12-07. Senast ändrad 2017-01-20.
CPL Pubid: 245921

 

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Institutioner (Chalmers)

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

Ämnesområden

Elektroteknik och elektronik

Chalmers infrastruktur