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Linear Induction Motor Characteristics Analysis and Performance Promotion Study for Maglev Train

Author: ZhuJinKai
Tutor: WuJun
School: National University of Defense Science and Technology
Course: Control Science and Engineering
Keywords: In low-speed maglev train Characteristic calculation Linear induction motor efficiency Trapezoidal groove End effect compensator
CLC: TM346
Type: Master's thesis
Year: 2009
Downloads: 31
Quote: 1
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Abstract


The low-speed maglev train uses linear induction traction motor vehicles , motor characteristics affect the vehicle 's traction performance . Moreover , removal of the suspension system power consumption , the energy consumption of the vehicle most of the straight-line traction system power consumption , energy consumption indicators of the efficiency of the motor vehicle . Therefore, to study the characteristics of the linear induction motor and efficiency to enhance the performance of the train , to reduce the running cost of the train has important significance. Analysis of the characteristics of the linear induction motor , consider the longitudinal end effect , horizontal edge effects, and secondary core saturation , the nonlinear magnetic permeability and other characteristics , the application of quasi- one-dimensional field theory to calculate the the CMS04 car linear motor thrust - turn the changes in the relationship between the difference frequency , thrust - speed , air gap - thrust , by comparison with the test data to verify the validity and accuracy of the calculation model and method . According to the the CMS04 car with the actual situation of the linear motor , Maxwell2d software analysis and calculation of the end effect of the air-gap flux density and output thrust . Not change the premise of the original structure of the linear motor and layout , application methods of the efficiency of the reaction plate and the side end of the secondary structure of the trapezoidal groove compensator two optimization and simulation analysis and experimental verification that the above method is feasible and rotating permanent magnet edge junction compensation method to enhance the effect of the thrust of the motor is more apparent. In short , the computational model of linear motor of this study as well as to improve motor characteristics of measures to promote the use of low-speed maglev train will play a good reference .

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CLC: > Industrial Technology > Electrotechnical > Motor > AC motor > Induction motor
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