Coordination of wind turbines and synchronous generators for system frequency control

Guoyi Xu, Fanglei Liu, Jiaxin Hu and Tianshu Bi

Renewable Energy, 2018, vol. 129, issue PA, 225-236

Abstract: Variable speed wind turbines provide temporary frequency support by releasing kinetic energy, this lasts only a few seconds. The coordination with the synchronous generators in the system is required to improve the frequency control performance of the system. In this study, a low limit of the rotor speed of the wind turbines is implemented to reduce the large mechanical power drop during the frequency control. The power shape of releasing the wind turbine kinetic energy and the coordination of the control between the wind turbines and the synchronous generators are proposed. The kinetic energy of the wind turbines is used to reduce the rate of change of frequency and the synchronous generators are controlled to produce additional power to assist with the recovery of the frequency and the wind turbines' rotor speed. A simulation analysis using Matlab/Simulink was conducted to illustrate the effectiveness of the proposed control strategy. The results show a significant improvement in the frequency control and demonstrate the stable operation of the wind turbines. As a result, the stability of the power system is maintained under high penetration of wind power.

Keywords: Wind turbine; Frequency control; Kinetic energy; Synchronous generator; Coordinate control (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S096014811830630X
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:129:y:2018:i:pa:p:225-236

DOI: 10.1016/j.renene.2018.05.104

Access Statistics for this article

Renewable Energy is currently edited by Soteris A. Kalogirou and Paul Christodoulides

More articles in Renewable Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().