scholarly journals Integrated Cooling System for Induction Motor Traction Drives, CARAT Program Phase Two Final Report

2002 ◽  
Author(s):  
Charles E. Konrad
Keyword(s):  
Induction Motor ◽  
Cooling System ◽  
Final Report ◽  
Traction Drives

scholarly journals MOTORS FOR TRAM DRIVES

Transport ◽  
2005 ◽  
Vol 20 (2) ◽  
pp. 73-77 ◽  
Author(s):  
Tadeusz Glinka ◽  
Barbara Kulesz ◽  
Mieczysław Jakubiec
Keyword(s):  
Induction Motor ◽  
Permanent Magnets ◽  
Cooling System ◽  
Dc Motor ◽  
Variable Speed ◽  
Variable Speed Drives ◽  
Brushless Motor ◽  
Slip Ring ◽  
Comparison Criteria ◽  
Cage Induction Motor

This paper compares five different motor types used in variable speed drives: a dc motor with a mechanical commutator and with electromagnetic or permanent magnets excitation, a cage induction motor, asynchronous cascade with a slip‐ring motor and a brushless motor with PM excitation. These motors are to be used for tram drive and they should all be characterised by identical external dimensions and a cooling system. Rated power and efficiency are the principal comparison criteria.

scholarly journals Simulation of Electric Drive With Direct Torque Control of Induction Motor

2018 ◽  
Vol 15 (1) ◽  
Author(s):  
Yuri M. Inkov ◽  
Andrey S. Kosmodaminskiy ◽  
Alexander A. Pugachev ◽  
Elena V. Sachkova
Keyword(s):  
Induction Motor ◽  
Electric Drive ◽  
Induction Motors ◽  
Direct Torque Control ◽  
Torque Control ◽  
Voltage Source ◽  
Voltage Source Inverters ◽  
Electric Drives ◽  
Traction Electric Drive ◽  
Traction Drives

The main requirements for traction electric drives are listed and discussed. The direct torque control of an induction motor electric drive is established by a survey of operation modes of traction electric drives to thoroughly satisfy the requirements for traction electric drive. The topologies and operation principles of two-and three-level voltage source inverters are presented. The advantages and shortcomings of three-level voltage source inverters to be applied on locomotive traction drives are highlighted in relation to the two-level ones. The recommendations of choice between different voltage source inverter topologies are given. The topology and principles of operation of direct torque control of induction motors with two- and three-level voltage source inverters are described. The simulation peculiarities of electric drives with direct torque control and two- and three-level inverters in Matlab are considered. The simulation results are presented. The techniques to reduce the torque oscillations are shown and implemented in Matlab Simulink.

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