Coordinated Control Strategies for Offshore Wind Farm Integration via VSC-HVDC for System Frequency Support

被引：167

作者：

Li, Yujun ^{[1
,2
]}

Xu, Zhao ^{[2
]}

Ostergaard, Jacob ^{[3
]}

Hill, David J. ^{[4
]}

机构：

[1] Guangdong Univ Technol, Sch Automat, Guangzhou 510006, Guangdong, Peoples R China

[2] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China

[3] Tech Univ Denmark, Ctr Elect Power & Energy, DK-2800 Lyngby, Denmark

[4] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2017年 / 32卷 / 03期

关键词：

Cascading control; frequency regulation; inertia support; offshore wind farm; VSC-HVDC; FAULT RIDE; INERTIA; IMPACTS; ENERGY;

D O I：

10.1109/TEC.2017.2663664

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

080707 [能源环境工程]; 082001 [油气井工程];

摘要：

Coordinated control strategies to provide system inertia support for main grid from offshore wind farm that is integrated through HVdc transmission is the subject matter of this paper. The strategy that seeks to provide inertia support to the main grid through simultaneous utilization of HVdc capacitors energy, and wind turbines (WTs) inertia without installing the remote communication of two HVdc terminals is introduced in details. Consequently, a novel strategy is proposed to improve system inertia through sequentially exerting dc capacitors energy and then WTs inertia via a cascading control scheme. Both strategies can effectively provide inertia support while the second one minimizes the control impacts on harvesting wind energy with the aid of communication between onshore and offshore ac grids. Case studies of a wind farm connecting with a HVdc system considering sudden load variations have been successfully conducted to compare and demonstrate the effectiveness of the control strategies in DIgSILENT/PowerFactory.

引用

页码：843 / 856

页数：14

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