4 Linear Induction Motors
Circuit Theories, Transients, and Control
4.1 Low-Speed/High-Speed Divide
Field theories presented in Chapter 3 proved static and dynamic end effects as the main differences between rotary and linear induction motors.
Other specific phenomena related to the conductive sheet (alone or one placed on solid iron) such as edge effects, besides skin effect, airgap fringing, and primary slot opening influence on performance, have been reduced to equivalent correction coefficients on airgap (ge) and on secondary sheet electrical conductivity σe.
The dynamic end effect divides the LIMs into high-speed (when this effect counts) and low-speed LIMs when the dynamic end effect is negligible. It is not so easy to hammer out a border ...
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