新型混合式贯通牵引供电系统及其复合控制策略  

A New Hybrid Advanced Traction Power Supply System and Its Compound Control

作　　者：王鑫[1] 郭祺[1] 涂春鸣[1] 肖凡[1] 侯玉超 WANG Xin;GUO Qi;TU Chunming;XIAO Fan;HOU Yuchao(National Electric Power Conversion and Control Engineering Technology Research Center(Hunan University),Changsha 410082,Hunan Province,China)

机构地区：[1]国家电能变换与控制工程技术研究中心(湖南大学),湖南省长沙市410082

出　　处：《中国电机工程学报》2024年第3期981-991,I0011,共12页Proceedings of the CSEE

基　　金：国家重点研发计划项目(2021YFB2601504)。

摘　　要：电分相与负序等电能质量问题是制约电气化铁路向高速化、重载化发展的桎梏。贯通牵引供电系统为消弭上述问题提供了契机,但既有贯通方案依然存在所需器件数目多、改造成本高、可靠性差等弊端。为此,在充分利用既有牵引变压器基础上,该文设计一种新型混合式贯通牵引供电装置。该装置通过共直流侧与功率均分手段有效抵消输入侧纹波功率,降低有源/无源器件数目与电容容量。同时,针对直流侧二次纹波与负荷功率冲击,提出一种输入端口复合控制策略,有效解决纹波传递与冲击波动问题。最后通过仿真与实验验证所提装置及其控制策略的可行性与可靠性。The existence of neutral sections and negative sequences are the shackles that restrict the development of the electrified railway to high-speed and heavy-load.Advanced traction power supply system provides an opportunity to eliminate the above problems,but the existing schemes still have drawbacks such as a large number of devices,high cost and poor reliability.Therefore,a new hybrid advanced traction power supply device is designed based on the existing traction transformer.Then,the input side ripple power is offset by a common DC bus to further reduce the number of active/passive devices and capacitive capacity.At the same time,aiming at the problem of secondary ripple and load power impact on the DC side,a compound control strategy of input side is proposed to effectively solve the problem of harmonic transmission and impact fluctuation.Finally,the feasibility and reliability of the proposed device and compound control are verified by simulation and experiment.

关 键 词：新型混合式 牵引供电装置 公共直流母线 复合控制 

分 类 号：TM921[电气工程—电力电子与电力传动]