Enhanced Voltage Control of VSC-HVDC-Connected Offshore Wind Farms Based on Model Predictive Control

被引：112

作者：

Guo, Yifei ^{[1
]}

Gao, Houlei ^{[1
]}

Wu, Qiuwei ^{[2
,3
]}

Zhao, Haoran ^{[2
]}

Ostergaard, Jacob ^{[2
]}

Shahidehpour, Mohammad ^{[4
]}

机构：

[1] Shandong Univ, Minist Educ, Key Lab Power Syst Intelligent Dispatch & Control, Jinan 250061, Shandong, Peoples R China

[2] Tech Univ Denmark, Dept Elect Engn, Ctr Elect & Energy, DK-2800 Lyngby, Denmark

[3] Shandong Univ, Sch Elect Engn, Jinan 250061, Shandong, Peoples R China

[4] IIT, Dept Elect & Comp Engn, Chicago, IL 60616 USA

来源：

IEEE TRANSACTIONS ON SUSTAINABLE ENERGY | 2018年 / 9卷 / 01期

关键词：

Model predictive control (MPC); offshore wind farms (OWFs); power loss; voltage control; VSC-HVDC; REACTIVE POWER-CONTROL; SYSTEM; INTEGRATION; PLANTS; TRANSMISSION; STRATEGY;

D O I：

10.1109/TSTE.2017.2743005

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 an enhanced voltage control strategy (EVCS) based on model predictive control (MPC) for voltage-source-converter-based high-voltage direct-current (VSCHVDC)- connected offshore wind farms (OWFs). In the proposed MPC-based EVCS, all wind turbine generators (WTGs) and the wind-farm-side VSCs are optimally coordinated to keep voltages within the feasible range and reduce system power losses. Considering the high R/X ratio of the OWF collector system, the effects of active power outputs ofWTGs on voltage control are also taken into consideration. The predictive model of the VSC with a typical cascaded control structure is derived in detail. The sensitivity coefficients are calculated by an analytical method to improve the computational efficiency. A VSC-HVDC-connected OWF with 64 WTGs was used to validate the proposed voltage control strategy.

引用

页码：474 / 487

页数：14

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