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Journal article ยท Ahead of Print article

Decentralized Coordinated Voltage Control for VSC-HVDC Connected Wind Farms Based on ADMM

From

Shandong University1

Hangzhou Dianzi University2

Department of Electrical Engineering, Technical University of Denmark3

Center for Electric Power and Energy, Centers, Technical University of Denmark4

Electric Power Systems, Center for Electric Power and Energy, Centers, Technical University of Denmark5

North China Electric Power University6

This paper proposes a decentralized coordinated voltage control scheme (DCVCS) for voltage-source-converter high voltage direct current (VSC-HVDC) connected wind farms based on the Model Predictive Control (MPC) which regulates the voltage profile across the wind farm network within the feasible range by optimally coordinating the VSC and wind turbines (WTs).

Firstly, the centralized voltage control problem based on the MPC is formulated to minimize voltage deviations and reactive power output fluctuations of WTs. Secondly, the decentralized solution methodology based on Alternating Direction Method of Multipliers (ADMM) with fast convergency is used to solve the MPC problem in a decentralized manner without losing the optimality of the primal problem.

A wind farm with 64 WTs was used to validate the effectiveness and optimality of the proposed DCVCS.

Language: English
Publisher: IEEE
Year: 2018
Pages: 800-810
ISSN: 19493037 and 19493029
Types: Journal article and Ahead of Print article
DOI: 10.1109/TSTE.2018.2848467
ORCIDs: Wu, Qiuwei and 0000-0001-5871-9489

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