Simple end effect compensator for linear induction motor

Summary form only given. In a part of new type of transit in metropolitan areas, linear induction motors (LIMs) have been used as a direct electromagnetic drive device without adhesion. On these LIM-driven trains, there is the problem of large power consumption. The essential measure is to overcome the end effect, which is a long-pending object. The compensating winding method was proposed previously but it was not effective. In the paper, the authors propose a new type of end effect compensator, based on the new concept that the end effect can be compensated only by supplying the eddy current synchronizing with the LIM frequency in front of LIM.