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This paper introduces long primary double sided linear induction motor (LIM) for special industrial applications. The LIM adopts modular structure and uses block feeding method. The significance is increasing efficiency, saving energy and reducing power capacity, the primary parallel connection with segment powered drive is adopted, which consist of long primary double sided LIMs. Each segment motor...
Position detection is significant in the control system for linear induction motors (LIM). The common position detection methods such as magnetic grid scale, grating scale, laser velocimeter and sensorless method are always used under clean environmental condition or low precision requirement. This paper presents a novel position method by detecting primary currents, and it is specially effective...
The long primary double-sided linear induction motor (LIM) has been used in industry. To improve the system efficiency and reduce the drive inverter capacity, the primary parallel connection with segment powered drive has been adopted in the drives consist of long primary double-sided LIMs. But, the LIMs parameters may vary with the position of the secondary, and it results in the thrust ripple. In...
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