市域D型车辆研制及其标准实践

Development of Style D Suburban Railway Vehicle and Applicability of Its Standards

市域D型车辆是专为市域(郊)铁路自主研制的一款新型宽体客运车辆,车宽3300 mm、25 kV供电,融高速动车组技术优势和城轨车辆运营特点于一体。针对市域铁路运营对车辆的要求,通过系统分析和优化设计,解决了大载客量与宽车体轻量化、快速运行与频繁起停、噪声控制等技术难题,创新研制了市域D型车辆;进而论述了温州S1线D型车辆的平面布置、编组形式、主要技术参数、主要系统技术方案。型式试验和运营统计表明,温州S1线市域D型车辆性能稳定、安全可靠,从而印证了市域D型车辆相关标准的适用性、先进性。

The Style D suburban railway vehicle is independently developed for suburban railways,and it is a new style of wide-body passenger vehicle with a width of 3,300 mm and a power supply of 25 k V.It has the technical advantages of high-speed EMUs and the operating characteristics of an urban railway vehicle.In this study,in accordance with the requirements of suburban railway operation for vehicles,a system analysis was conducted and an optimization design was developed involving a large passenger capacity,lightweight and wide-body design,fast operation,frequent starts and stops,and noise control to solve technical problems.Furthermore,the plane layout,marshalling form,main technical parameters,and main system technical solutions of a Wenzhou S1 line Style D vehicle have been discussed.Type tests and operational statistics show that the Style D vehicle performance of the Wenzhou S1 line is stable,safe,and reliable,which proves the applicability and advancement of the relevant standards of a Style D suburban railway vehicle.