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Coordination control of positive and negative sequence voltages of cascaded H-bridge STATCOM operating under imbalanced grid voltage

When the grid voltage is imbalance, the current decoupling control strategy in d-q frame designed for the balanced system still let STATCOM output balanced voltage. In this case, the negative sequence component in the grid voltage may cause the device overcurrent. Here, the positive and negative seq...

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Enregistré dans:
Auteurs principaux: Liang Hao, Song Hanliang, Xiu Liancheng, Liu Anling, Zhang Bin
Format: Artigo
Langue:Inglês
Publié: Wiley 2019-04-01
Collection:The Journal of Engineering
Sujets:
power convertors
synchronisation
static VAr compensators
voltage control
open loop systems
power grids
cascaded H-bridge STATCOM
imbalanced grid voltage
current decoupling control strategy
STATCOM output balanced voltage
positive sequence voltage
negative sequence voltage
cascaded STATCOM operating
coordination control strategy
phase shift angles
open-loop phase synchronisation
Accès en ligne:https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8692
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