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Title: Advanced control strategies of PMSG-based wind turbines for system inertia support
Authors: Li, YJ 
Xu, Z 
Wong, KP
Keywords: Cascading control
Frequency regulation
Permanent magnet synchronous generator (PMSG)
System inertia support
Issue Date: 2017
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on power systems, 2017, v. 32, no. 4, p. 3027-3037 How to cite?
Journal: IEEE transactions on power systems 
Abstract: This paper investigates two novel control strategies that enable system inertia supports by permanent magnet synchronous generator (PMSG) wind turbines during transient events. The first strategy seeks to provide inertia support to the system through simultaneous utilization of dc-link capacitor energy, and wind turbine (WT) rotor kinetic energy (KE). The second strategy supports system inertia through orderly exerting dc-link capacitor energy of WT and then WT rotor KE via a cascading control scheme. Both strategies can effectively provide system inertia support by fully utilizing WT's own potentials, while the second strategy distinguishes itself by minimizing its impacts on wind energy harvesting. Case studies of one synchronous generator connected with a PMSG-based WT considering sudden load variations have been studied to validate and compare the two proposed strategies on providing rapid inertia response for the system.
ISSN: 0885-8950
EISSN: 1558-0679
DOI: 10.1109/TPWRS.2016.2616171
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