Producing method and structure of insulation structure of long primary linear motor for urban rail vehicle
A producing method and a structure of an insulation structure of a long primary linear motor for an urban rail vehicle comprise a primary iron core and a coil which is inserted in the primary iron core. Insulating layers are respectively coated outside the primary iron core and the coil which is ins...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A producing method and a structure of an insulation structure of a long primary linear motor for an urban rail vehicle comprise a primary iron core and a coil which is inserted in the primary iron core. Insulating layers are respectively coated outside the primary iron core and the coil which is inserted in the primary iron core. The primary iron core and the coil which is inserted in the primary iron core comprise two kinds. A straight line portion of the primary iron core and the coil which is inserted in the primary iron core utilizes a three-insulation-layer structure which comprises a mica tape with less rubber, a mica tape with medium rubber and a thin film and the three-insulation-layer is sequentially wound from inner to outer. An end portion of the coil which is inserted in the primary iron core utilizes a four-insulation-layer structure which comprises a polytetrafluoroethylene tape, a mica tape with less rubber, a film reinforcing mica tape with medium rubber and a film and the four-insulation-laye |
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