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| Choice and Application of Electric Section Insulator of Overhead Contact Wire for Datong-Xi'an Passenger Dedicated Line |
| ZHOU Fan |
| The Datong -Xi'an Passenger Dedicated Railway Construction Co. Ltd, Taiyuan, Shanxi 030024, China |
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Abstract Research purposes：In order to guarantee the quality of power supply to the Datong-Xi'an Passenger Dedicated Railway, the analysis and study are done on the styles of the different electric section insulators of the overhead contact wire used at home and abroad. Considering the influences of the different modes of pantograph raising and the different pantograph spaces, the suitable mode of electric section insulator is presented for Datong-Xi'an Passenger Dedicated Line after making the analysis and comparison of the characteristics of the different modes of electric section insulators.
Research conclusions：Through the comparison, it is proposed to use the 6-span and 13-span electric section insulator for Datong-Xi'an Passenger Dedicated Line. The 6-span section insulator has characteristics of short time of the power cut with less influence on the running speed of EMU and less construction investment. The 13-span electric section insulator can adapt to the different pantograph spaces with less adjustment during the installation and less maintenance during the operation because there are no 3-cantilever suspension in overhead contact system.
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Received: 12 April 2010
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2010, Vol. 27 
