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| Sensitivity Analysis of Pantograph-Catenary System |
| Qu Yao, Wei Qifeng |
| He’nan Industrial Intelligence Standard Information Center, Zhengzhou 50002 |
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Abstract The contact wire as both the distribution line of traction power supply system and a slide of the pantograph in electric railway, a good pantograph-catenary coupling is one of the key technologies in the development of high speed railway. The contact wire will have a certain amount of uplift when the pantograph-catenary contact force exerts on it. The uplift of the contact wire vary with the parameters of pantograph mechanism. According to the linear model of the pantograph, the open, close loop mathematical model between the contact wire uplift and pantograph initial lifting force has been carried out, and its performance is analyzed in this paper. Then, the sensitivity of the pantograph catenary system is analyzed. The results show, Pantograph close loop control model can effectively improve the system stability, as a low frequency oscillation system, the pantograph-catenary is sensitive only Pantograph head spring constants.
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Published: 20 July 2015
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2015, Vol. 16 
