中低速磁悬浮列车制动电阻设置的探讨

Discussion of Braking Resistor Set-up of Mid-to-low Speed Maglev Vehicle

研究目的:随着我国城市轨道交通的不断发展,中低速磁悬浮交通由于有极强的竞争力,将会在中低运量城市和旅游景区得到广泛应用。鉴于车辆下部空间有限、节能以及经济性方面的考虑,需要对制动能量的吸收利用进行研究。研究结论:将制动电阻能量吸收装置安装到牵引变电所,可解决车辆下部空间有限无法安装制动电阻的矛盾;制动能量反馈回牵引网及减少车载设备,可充分节能,但同时要解决网压升高对设备的危害。

Research purposes：With urban mass transit perfecting increasingly in China,mid-to-low speed maglev vehicle will be used widely in some cities of mid-to-low traffics and tourist areas because of the strong competitiveness of mid-to low speed maglev vehicle.Considering the bottom space of vehicle,energy conservation and economics,absorption of braking energy need to be researched. Research conclusions：By analyzing,energy absorbing equipment fixed in the traction substation can solve the contradictory that braking resistor cannot be fixed in the bottom of vehicle because of the limited space.It helps brake energy feed back to traction electric network and also can decrease the number of equipment in the vehicle.This way can save energy sufficiently but voltage rising will endanger the safety of equipments.So that,detailed elaboration is done to each part and function of circuit of energy absorbing equipment in this passage.