Prospects for the use of Multiphase Inverter-fed Asynchronous Drives in the Field of Traction Systems of Railway Vehicles

Abstract

At present among the most important problems in the field of traction systems of railway vehicles are the following: 1) the minimization of the mass-and-overall dimensions of the drive systems; 2) the increase of the drive systems reliability and obtaining their higher fault-tolerance abilities; 3) the minimization of the motion speed pulsations and its oscillations, etc. The results of the researches received by the authors of this paper show that the use of the multiphase (i.e. having the number of phases more than four) inverter-fed induction motors in these traction systems is the most effective way of solving the above mentioned problems. In this case the motion speed oscillations can be decreased only by the increase of the drive phase number without any change in the inverter control algorithm. In addition, the application of some non-traditional control methods in the multiphase asynchronous traction drive system of a railway vehicle allows to decrease the mass-and-overall dimensions of the system and to improve its reliability and some other technicaland economic characteristics

Novel Type of EV Hybrid Traction Drives

“…having the number m of phases more than four) asynchronous linear and non-linear drives in the field of vehicles of different types (i.e. ground, marine, air) were presented and described by the authors of this work in a number of their papers (for example, [2]).…”

Peculiarities of Novel Generation of Hybrid Traction Systems for Electrical Vehicles

“…The peculiarities and general descriptions of the both kinds of the over-phase control method (i.e. OSM and PPM) by multiphase AC induction motors are presented in a number of papers of the authors of this work (for example, in [1], [2], [5], [6], etc. ).…”

“…ground, marine, air vehicles) were presented and described in a number of papers (for example, in [2], [5], etc. ).…”

“…− the application of such non-traditional methods of control by multiphase induction motor as the over-synchronous control method (OSM) and the phase-pole one (PPM) which are the kinds of the over-phase control method (OPM) (for example, see [1], [2], [5] and [6]);…”

Novel Types of AC Motors and Drives for Electrical and Hybrid Vehicles

“…when the phase-pole control method (PPM) is used in ACID [4][5][6][7][8][9][10][11][12]18]. This law links the ACID efficiency N, relative spectrum U * (c) relative spectrum B * (n) and integer-valued parameter H of PPM, where H ≥ 1 (the value H =1 corresponds to a traditional control mode, and the value H > 1 corresponds to PPM).…”