Abstract：Research purposes: In recent years，with the rapid development of Chinese railway construction，a lot of 200 km/h railway lines shared by passenger and freight trains are newly built. Because the types of the operating locomotives are various for the newly-built lines and the power factor of railway is examined strictly by the power supply departments，it is necessary to make a research about power factor of traction substation.
Research methods: The power factor of traction substation is determined through calculation of integral power factor of us traction loads.
Research results: This method can be used to more accurately reflect the power factor of traction substation.
Research Conclusions: By the calculation of integral power factor the power factor of traction substation can be worked out relatively accurately under the condition of the different types of locomotives and the different pairs of trains on railway line shared by passenger and freight trains.
陈飞. 新建时速200 km客货共线铁路综合功率因数计算[J]. 铁道工程学报, 2007, 24(4): 65-68.
CHEN Fei. Calculation of Integral Power Factor of Newly-built 200 km/h Railway Line Shared by Passenger and Freight Trains. 铁道工程学报, 2007, 24(4): 65-68.
2007, Vol. 24 
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