Investigation of the effects of various types of wind turbine generators on power-system stability

He, Ping, Wen, Fushuan, Ledwich, Gerard, Xue, Yusheng, & Huang, Jiansheng (2015) Investigation of the effects of various types of wind turbine generators on power-system stability. Journal of Energy Engineering, 141(3), 04014007.

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It has become more and more demanding to investigate the impacts of wind farms on power system operation as ever-increasing penetration levels of wind power have the potential to bring about a series of dynamic stability problems for power systems. This paper undertakes such an investigation through investigating the small signal and transient stabilities of power systems that are separately integrated with three types of wind turbine generators (WTGs), namely the squirrel cage induction generator (SCIG), the doubly fed induction generator (DFIG), and the permanent magnet generator (PMG). To examine the effects of these WTGs on a power system with regard to its stability under different operating conditions, a selected synchronous generator (SG) of the well-known Western Electricity Coordinating Council (WECC three-unit nine-bus system and an eight-unit 24-bus system is replaced in turn by each type of WTG with the same capacity. The performances of the power system in response to the disturbances are then systematically compared. Specifically, the following comparisons are undertaken: (1) performances of the power system before and after the integration of the WTGs; and (2) performances of the power system and the associated consequences when the SCIG, DFIG, or PMG are separately connected to the system. These stability case studies utilize both eigenvalue analysis and dynamic time-domain simulation methods.

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ID Code: 68442
Item Type: Journal Article
Refereed: Yes
Additional Information: Published online: 20 February 2014
Keywords: Power system, Wind turbine generators, Small signal stability, Transient stability, Wind farm integration, Eigenvalue analysis
DOI: 10.1061/(ASCE)EY.1943-7897.0000176
ISSN: 0733-9402
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 American Society of Civil Engineers
Deposited On: 13 Mar 2014 22:48
Last Modified: 16 Sep 2015 03:46

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