片側式リニア誘導モータの拘束試験に基づく非対称定数算定法

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  • A Method of Calculating Asymmetrical Constants Based on Lock Test for Single-Sided Linear Induction Motor.
  • カタガワシキ リニア ユウドウ モータ ノ コウソク シケン ニ モトズク ヒ

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抄録

The constants of each phase of linear induction motor(LIM) are different, because of it's structure. It is important that the method of calculating asymmetrical constants is established, because the asymmetrical constants cause the thrust pulsation. In this paper, a new method of calculating asymmetrical constants of LIM is proposed. Moreover, the results of simulation performed by the calculated constants are compared with the experimental results.<br>The test machine of LIM is single-sided, short-primary-type, three-phase and 4-poles. The primary winding wires are double layer winding, concentrated winding and full pitch winding. In this paper, first, the asymmetrical equivalent circuits and voltage equations of LIM are showed on suitable d-q axis. Next, the asymmetrical constants are obtained by the calculations based on d axis equivalent no-load test, q axis equivalent no-load test, three-phase equivalent no-load test, d axis lock test and q axis lock test. Here, the equivalent no-load test is the lock test removed the non-magnetic conductor plate from LIM. Finally, it is showed that the simulations results of thrust containing pulsation and primary currents performed by the calculated constants are satisfactorily agreed with experimental results.

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