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Journal of Electrical and Computer Engineering
Volume 2015, Article ID 347350, 10 pages
http://dx.doi.org/10.1155/2015/347350
Research Article

Priority Control Strategy of VSC-MTDC System for Integrating Wind Power

1School of Electrical Engineering, Shandong University, Jinan 250061, China
2State Grid of China Technology College, Jinan 250002, China

Received 1 April 2015; Accepted 23 June 2015

Academic Editor: Alfredo Vaccaro

Copyright © 2015 Wen-ning Yan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

For the obvious advantages in integrating wind power, multiterminal HVDC transmission system (VSC-MTDC) is widely used. The priority control strategy is proposed in this paper considering the penetration rate of wind power for the AC grid. The strategy aims to solve the problems of power allocation and DC voltage control of the DC system. The main advantage of this strategy is that the demands for wind power of different areas can be satisfied and a power reference for the wind power trade can also be provided when wind farms transmit active power to several AC grids through the DC network. The objective is that power is well distributed according to the output power of wind farm with the demand of AC system and satisfactory control performance of DC voltage is obtained.