新一代智慧型城市轨道交通牵引供电系统的创新理念与实践

针对目前城市轨道交通牵引供电系统的技术需求和存在的问题,从创新源头出发,提出"以简化系统结构、提高供电品质、降低综合造价、减少使用维护成本为系统集成优化目标"的创新理念和发展思路,基于以高速动车和电力机车"四象限变流器"为核心的关键技术,提出一种集系统节能、提高供电品质、补偿功率因数、在线自动融冰于一体的新一代智慧型城市轨道交通牵引供电系统,并提出基于大数据的功率谱概念和分析方法。介绍关键核心技术、智能故障诊断及关键部件寿命预测技术,为优化系统设计及维护使用提供技术支持。讨论新一代牵引供电系统的几个重要技术策略及其实现方案,为进一步推广应用奠定基础。

Innovative Ideas and Practice of New Generation Intelligent Urban Rail Transit Traction Power Supply System

To meet the technical demand and solve problems of traction power supply system for urban rail transit,the innovative idea of "simplifying system structure,improving power supply quality,reducing the comprehensive cost and reducing the maintenance cost" is proposed in this paper.Based on the key technology of four-quadrant converter in EMU and electric locomotives,a new generation of intelligent power supply system for urban rail transit traction is put forward which can reduce energy consumption,improve the power supply quality,correct power factors and automatically melt ice.This paper presents a new concept and analysis method based on big data.The core technologies,such as intelligent fault diagnosis and key component life prediction technology,are introduced,which can provide support for system design and maintenance.Some important technical strategies and implementation schemes of the new generation traction power supply system are discussed,which lays a foundation for further applications.