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

被引:58
|
作者
Guo, Yifei [1 ]
Gao, Houlei [1 ]
Xing, Hao [2 ]
Wu, Qiuwei [3 ,4 ]
Lin, Zhongwei [5 ]
机构
[1] Shandong Univ, Sch Elect Engn, Key Lab Power Syst Intelligent Dispatch & Control, Minist Educ, Jinan 250061, Shandong, Peoples R China
[2] Hangzhou Dianzi Univ, Sch Automat, Hangzhou 310018, Zhejiang, Peoples R China
[3] Tech Univ Denmark DTU, Ctr Elect Power & Energy CEE, Dept Elect Engn, DK-2800 Lyngby, Denmark
[4] Harvard Univ, Harvard China Project, Sch Engn & Appl Sci, Cambridge, MA 02138 USA
[5] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Sch Control & Comp Engn, Beijing 102206, Peoples R China
关键词
Alternating direction method of multiplier (ADMM); decentralized control; model predictive control (MPC); voltage control; voltage-source-converter-based high voltage direct current (VSC-HVdc); wind farm; REACTIVE POWER-CONTROL; OFFSHORE WIND; OPTIMIZATION;
D O I
10.1109/TSTE.2018.2848467
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This paper proposes a decentralized coordinated voltage control scheme (DCVCS) for voltage-source-converter high-voltage dc (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). First, the centralized optimal control problem based on the MPC is formulated to minimize voltage deviations and reactive power output fluctuations of WTs. Second, 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 lass of optimality of the primal problem. A wind farm with 64 WTs was used to validate the effectiveness and superiority of the proposed DCVCS.
引用
收藏
页码:800 / 810
页数:11
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