FIELD: electrical engineering. SUBSTANCE: linear electric drive has inductor 1 carrying multiphase winding 2, secondary member 3, shell 4, and unit 5 controlling volume concentration of magnetic liquid within tooth pitch that incorporates control winding 6 with magnetic circuit 7 and toothed pole shoes 8. Shell is made either of dielectric material or it may have its bottom and part of walls below plane of inductor teeth made of magnetically impermeable metal and remaining parts, of dielectric material. With winding 2 of inductor 1 connected to supply mains, magnetic liquid 9 is pulled to maximum extent into regions along axis of toothed pole shoes 8. EFFECT: improved cooling conditions for end windings, improved reliability and enlarged tractive force control range due to installation of inductor with running winding in shell filled with magnetic liquid. 2 cl, 4 dwg
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