Interpretation of the Operation Modes of the Doubly Fed Induction Machine in Wind Energy Systems
Journal Title: IOSR Journals (IOSR Journal of Electrical and Electronics Engineering) - Year 2018, Vol 13, Issue 1
Abstract
Over the last years, there has been a strong penetration of renewal energy sources into the power supply network. Wind energy generation has played and will continue to play a very important role in this area for the coming years. Doubly fed induction machine (DFIM) based wind turbines have undoubtedly arisen as one of the leading technologies for wind turbine manufacturers, demonstrating that it is a cost effective, efficient and reliable solution. This machine, a key element of the wind turbine, presents many similarities with themostly used and popular squirrel cage induction machine (SCIM).However, despite the parallelism of both machines, the DFIM requires its own specific study for an adequate understanding. In this paper, the steady state characteristics of a doubly fed induction machine, used as wind turbine generator, is analyzed. Analysis is performed to investigate a variety of DFIM characteristics, including torque-speed, real and reactive power over speed characteristics. Based on the analysis, it can be seen that the DFIM can operate under different conditions depending on the power and the speed.
Authors and Affiliations
Ingy Abouzeid, Mohamed Abdellatif Badr, Rania Sweif, Dalal Helmy
Keywords
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