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Automatic Turn-off Angle Control for High Speed SRM Drives
Nashed Maged N.F.,Ohyama Kazuhiro,Aso Kenichi,Fujii Hiroaki,Uehara Hitoshi The Korean Institute of Power Electronics 2007 JOURNAL OF POWER ELECTRONICS Vol.7 No.1
This paper presents a new approach to the automatic control of the turn-off angle used to excite the Switched Reluctance Motor (SRM) employed in electric vehicles (EV). The controller selects the turn-off angle that supports and improves the performance of the motor drive system. This control scheme consisting of classical current control and speed control depends on a lookup table to take the best result of the motor. The turn-on angle of the main switches of the inverter is fixed at $0^{\circ}C$ and the turn-off angle is variable depending on the reference speed. The motor, inverter and control system are modeled in Simulink to demonstrate the operation of the system.
Design Using Finite Element Analysis of a Switched Reluctance Motor for Electric Vehicle
Ohyama Kazuhiro,Nashed Maged Naguib F.,Aso Kenichi,Fujii Hiroaki,Uehara Hitoshi The Korean Institute of Power Electronics 2006 JOURNAL OF POWER ELECTRONICS Vol.6 No.2
In this paper, a Switched Reluctance Motor (SRM) employed in an electric vehicle (EV) is designed using the finite element method (FEM). The static torque of the SRM is estimated through magnetic field analysis. The SRM temperature rise over operation time is estimated through heat transfer analysis. First, static torque and temperature rise over the time of 600W SRM is included in the experiment set, and are compared with the calculated results using the FEM under the same conditions. The validity of the magnetic field analysis and heat transfer analysis is verified by the comparisons. In addition, a 60 [kW] SRM employed in an EV, whose output characteristics are equal to a 1500 [cc] gasoline engine, is designed under magnetic field analysis and heat transfer analysis.
Design Using Finite Element Analysis of a Switched Reluctance Motor for Electric Vehicle
Kazuhiro Ohyama,Maged Naguib F. Nashed,Kenichi Aso,Hiroaki Fujii,Hitoshi Uehara 전력전자학회 2006 JOURNAL OF POWER ELECTRONICS Vol.6 No.2
In this paper, a Switched Reluctance Motor (SRM) employed in an electric vehicle (EV) is designed using the finite element method (FEM). The static torque of the SRM is estimated through magnetic field analysis. The SRM temperature rise over operation time is estimated through heat transfer analysis. First, static torque and temperature rise over the time of 600W SRM is included in the experiment set, and are compared with the calculated results using the FEM under the same conditions. The validity of the magnetic field analysis and heat transfer analysis is verified by the comparisons. In addition, a 60 [㎾] SRM employed in an EV, whose output characteristics are equal to a 1500 [cc] gasoline engine, is designed under magnetic field analysis and heat transfer analysis.
Automatic Turn-off Angle Control for High Speed SRM Drives
Maged N. F. Nashed,Kazuhiro Ohyama,Kenichi Aso,Hiroaki Fujii,Hitoshi Uehara 전력전자학회 2007 JOURNAL OF POWER ELECTRONICS Vol.7 No.1
This paper presents a new approach to the automatic control of the turn-off angle used to excite the Switched Reluctance Motor (SRM) employed in electric vehicles (EV). The controller selects the turn-off angle that supports and improves the performance of the motor drive system. This control scheme consisting of classical current control and speed control depends on a lookup table to take the best result of the motor. The turn-on angle of the main switches of the inverter is fixed at 0° and the turn-off angle is variable depending on the reference speed. The motor, inverter and control system are modeled in Simulink to demonstrate the operation of the system.