中国铁道科学2017，Vol.38Issue(5)：70-77,8.DOI:10.3969/j.issn.1001-4632.2017.05.10
时速400公里动车组的牵引系统主要顶层技术指标研究
Research on Main Top Technical Indexes for Traction System of 400 km ·h-1 EMU
摘要
Abstract
According to the requirement of traction performance,theoretical calculation and simulation method are used to study the main top technical indexes of traction system to design the traction system for 400 km · h-1 EMU.The total running resistance is calculated using the resistance formula determined based on the comprehensive test data of Daxi high speed railway.According to the requirement of 0.05 m · s-2 residual acceleration for EMU at the speed of 400 km · h-1 on flat straight line,the total power at wheel rim is calculated and proposed to be 14 000 kW.Based on the main circuit topology technical analysis of two-level structure and three-level structure traction converters,the traction converter topology with two-level structure and bogie control is proposed.According to the 6 500 V/750 A IGBT double-pipe parallel mode,the maximum power at the wheel rim of single vehicle is calculated,based on which the power allocation scheme of 6M2T for the whole EMU is given.Fully considering the exertion of adhesion coefficient limit curve,starting acceleration indicator,traction capacity and electrical braking ability as well as relevant technical conditions,the starting traction force,the electric braking force of constant torque area and the speed corresponding to constant power turning point are calculated.The established simulation model of traction system is simulated under the conditions of Zheng-Xu passenger dedicated line.Results show that the proposed top technical indexes of traction system are reasonable,which can make 400 km · h-1 EMU accelerate fast in starting acceleration phase,fluctuate slightly in constant speed operation phase and decelerate rapidly in brake stop phase.关键词
高速动车组/牵引系统/轮周功率/变流器主电路/动力配置/牵引特性/电气制动特性Key words
High speed EMU/Traction system/Power at wheel rim/Main circuit of converter/Power allocation/Traction characteristics/Electrical braking characteristics分类
交通工程引用本文复制引用
孙剑方..时速400公里动车组的牵引系统主要顶层技术指标研究[J].中国铁道科学,2017,38(5):70-77,8.基金项目
中国铁道科学研究院行业服务技术创新项目(2015YJ121) （2015YJ121）
