期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 59, 期 6, 页码 2670-2677出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2011.2165457
关键词
Alternating current motors; brushless machines; circuit analysis; circuit simulation; equivalent circuits; induction motors; prototype; rotary transformer; rotating machines; test facilities
资金
- WEG Equipamentos Eletricos S.A.
This paper analyzes a 90-kW brushless doubly fed three-phase induction machine in which a wound rotor circuit is connected to a rotary transformer. It presents the advantages of substituting brushes and slip rings by a rotary transformer. In addition, it shows the rotary transformer design and presents the doubly fed induction machine operation. The steady-state model considers electrical circuit techniques to provide information about current, power factor, and efficiency on load. Equivalent circuit parameters are obtained through laboratory tests under a prototype. Comparisons between simulation and measurement results attest the good performance of the adopted model.
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