Authors: CENK ULU, GÜVEN KÖMÜRGÖZ
Abstract: In this study, the electrical design and testing of a 500 kW doubly fed induction generator (DFIG) is presented, developed in the context of the MILRES (Turkish National Wind Energy Systems) Project. The main objective of the MILRES Project is to encourage locally produced equipment for wind power systems. Therefore, in the DFIG design, the standard construction capabilities of the local machine manufacturers are especially taken into consideration. In this way, it is aimed that the designed DFIG can easily and cost-effectively be manufactured by local machine manufacturers in Turkey. In the DFIG design procedure, initially, an analytical design of the DFIG is performed depending on specified design criteria. Then the analytical design is verified by using finite element analysis. Depending on the obtained results in electromagnetic analyses, the DFIG design is modified in order to improve the obtained performance further. Finally, the designed DFIG is manufactured and its performance tests are performed at three different operating points. The test results verify the analyses results and show that the designed DFIG satisfies the desired performance criteria.
Keywords: Doubly fed induction generator, analytical design, wind turbine, ANSYS-Maxwell 2D
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