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Sergey A. Gulin, Victor V. Nikitin, Gennady E. Sereda, Evgeny G. Sereda
Emperor Alexander I Petersburg State Transport University

AUXILIARY POWER SUPPLY SYSTEMS FOR HIGH SPEED MAGLEVVEHICLES WITH LINEAR SYNCHRONOUS TRACTION MOTORS

Abstract: Introduction. In linear traction drives of high speed vehicles moving withvelocities about 350 450 km/h it is expedient to use synchronous motors with stator windinglocated on track structure and constant magnetic field sources (permanent magnets,superconducting windings or bulk superconductors) located on the vehicle. Such high speedtraction system does not require the moving contact for its power supply and it means aconsiderable advantage of system. Lack of a moving contact on the vehicle involves also theuse of contactless system for auxiliary power supply.

Purpose. The purpose of the paper is to analyze the versions of contactless auxiliaryenergy consumers power supply of high speed maglev vehicles with synchronous tractionmotors.

Method. Weight, size and energy parameters of maglev vehicles power supply sourcesfor auxiliary consumers are discussed and their areas of use are analyzed.

Results. For contactless power supply of auxiliary energy consumers of maglev vehicleswith electrodynamic suspension it is expedient to use linear induction generators andrechargeable batteries. For maglev vehicles with electromagnetic suspension it is expedient touse linear generators, linear transformers and rechargeable batteries.

Practical significance. Results may be used for creation of national commercial highspeed maglev transport.

Conclusion. The choice of combination of power supply sources for auxiliaryconsumers is determined by vehicle magnetic suspension type. For vehicles withelectromagnetic suspension it is expedient to use linear transformers, linear inductiongenerators and rechargeable batteries. For vehicles with electrodynamic suspension usesuperconducting magnetic systems it is expedient to use linear generators and rechargeable
batteries.

Key words: high speed transport, magnetic suspension, linear generator, lineartranformer.

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