scholarly journals Analysis of the electromechanical coupling mechanism and torsional vibration characteristics of a high-speed train drive system

2019 ◽  
Vol 2019 (13) ◽  
pp. 238-241
Author(s):  
Chaoyue Yang ◽  
Jie Jia ◽  
Jingbo Zhao
Keyword(s):  
Torsional Vibration ◽  
High Speed ◽  
Electromechanical Coupling ◽  
Vibration Characteristics ◽  
Drive System ◽  
Coupling Mechanism ◽  
High Speed Train

Electromechanical Coupling Vibration of Rolling Mill Excited by Variable Frequency Harmonic

2014 ◽  
Vol 912-914 ◽  
pp. 662-665 ◽  
Author(s):  
Yi Fang Zhang ◽  
Xiao Qiang Yan ◽  
Qi Hui Ling
Keyword(s):  
Torsional Vibration ◽  
Rolling Mill ◽  
Electromechanical Coupling ◽  
Drive System ◽  
Current Signal ◽  
Output Current ◽  
Coupling Vibration ◽  
Current Harmonics ◽  
Electric Drive System ◽  
Frequency Harmonic

Using torque telemetry system to test the mechanical drive system of rolling mill,it is found that the torsional vibration and current signal in the electric drive system have the same obviously vibration frequency. The model of cycloconverter, synchronous motor and mechanical drive system of rolling mill are built and analysed by Matlab/Simulink and ANSYS.The simulation results show when the harmonic torque frequency and the torsional vibration natural frequency of for mechanical drive system are equal or close, the strong torsional vibration arouse It is proved that the convertor output current harmonics can induce the electromechanical coupling vibration of main mechanical drive system under the certain conditions.

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