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The derivation of the equivalent circuit for a single-sided linear induction motor (SLIM) is not straightforward, particularly if it includes longitudinal end effects from the cut-open primary magnetic path, transversal edge effects from the differing widths between the primary lamination and secondary sheet, and half-filled primary slots. This paper proposes an improved series equivalent circuit...
The train propelled by a single-sided linear induction motor (SLIM) has been paid much attention recently by both academia and industry. The SLIM drive has advantages such as the direct thrust without the need of friction between wheel and railway track, small cross-sectional area, lack of gear box, and flexible line choice thanks to the greater climbing capability and smaller turning circle compared...
Single sided linear induction motor (SLIM) has good direct drive ability though its efficiency is poor compared with the rotary counterpart. The motor model including iron loss under synchronous coordination is established and the variable loss function is derived in the paper. In the proposed equivalent circuit model of SLIM, to consider the influence of primary leakage inductance on loss calculation,...
This paper, basing on the rotary motor model, develops a new equivalent circuit to analyze the single-sided linear induction motor. This method, in a novel viewpoint, takes the end effects, half-filled slots, skin-effect and back-iron resistance into accounts. These predictions and calculations agree with experiment data very well, which is helpful for the linear induction motor design and control.
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