Abstract：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．
Liu Peidong，Wang Weidong， Rong Shikuan． Application of Regenerative Braking Energy Absorption Devices in Chongqing Monorail ［J］．Urban Rapid Rail Transit，2006(3) : 84－86．
［3］ 刘宝林．地铁列车能耗分析［J］．电力机车与城轨车辆， 2007(4) : 65－68．
Liu Baolin．Analysis on energy consumption of metro train ［J］．Electric Locomotives and Mass Transit Vehicles，2007(4) : 65－68．
Cao Dongbai，Jiang Chunlin，Su Pengcheng， etc． Technical Characteristics of Passenger Dedicated Line Electrified Railway ［J］．Journal of Railway Engineering，2004(S1) : 174－177．
Fang Ming． Analysis on Parameters of Ground Absorption Equipment of Regenerative Braking for Urban Mass Transit Trains ［J］．China Railway Science，2007(3) : 88－91．
2011, Vol. 28 
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