1インバータ・複数台誘導機駆動システム用高粘着化制御方式

概要

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In the field of the rolling stock traction system, it is demanded to suppress the slip-slide phenomenon between wheels and rails for the purpose of providing passengers comfortable ride feelings and keeping the train time schedule even in rainy days. One solution for this demand is to adopt both the re-adhesion control and the vector control. Considering this situation, we have already developed a high performance motor drive method for the rolling stock traction system, in which a single inverter drives multiple induction motors by adopting a novel stator-flux-oriented vector control. In this paper, we propose a novel re-adhesion control method for the single-inverter multiple-induction-motors drive system. The proposed method is investigated through simulations, in which the unbalanced condition of the motor load and speed caused by the differences of the wheel diameters are taken into account. Then the experimental results are brought about, which are obtained from a miniature experimental equipment capable of simulating the real rolling stock traction system in terms of the wheel diameter differences and the adhesion between the wheels and rails.
社団法人電気学会の論文
2003-05-01