中国电机工程学报2016，Vol.36Issue(13)：3609-3619,11.DOI:10.13334/j.0258-8013.pcsee.151180
双星型多电平铁路功率调节器及其控制方法
A Railway Power Conditioner and Its Control Method Based on Double Star Bridge Cells
摘要
Abstract
With the development of the electrified railway in the direction of high-speed and high-power, the power quality of the electric traction grid becomes more and more serious. For the purpose of the three-phase current balance of electric traction grids, a double star bridge cells based railway power conditioner (DSBC-RPC) with the advantages of both high-voltage and large-capacity was studied. The DSBC-RPC was characterized by the modular and high voltage cascade structure, consisting of four H-Bridge links and corresponding output filter inductors, which could be directly connected to the voltage class of 27.5 kV. This conditioner could be used for different types of traction transformers, especially suited to the active power transfer of Scott transformer electric traction systems with a co-phase supply mode. Based on the analysis of the topology structure, the equivalent model and the energy balance of DSBC-RPC, the hierarchical control strategy was put forward aiming to balancing the sub-module capacitance voltage, which ensured the safety and stability of the system. Finally, the proposed structure and its control strategy effectiveness are verified by the simulations and experiments.关键词
铁路功率调节器/模块化多电平/负序治理/分层控制/电压平衡Key words
railway power conditioner (RPC)/modular multilevel converter (MMC)/negative-sequence current compensation (NSCC)/hierarchical control/voltage balance分类
信息技术与安全科学引用本文复制引用
徐千鸣,马伏军,何志兴,熊桥坡..双星型多电平铁路功率调节器及其控制方法[J].中国电机工程学报,2016,36(13):3609-3619,11.基金项目
国家自然科学基金项目(51237003)；国家自然科学基金面上项目(51477045)。 Project Supported by National Natural Science Foundation of China (51237003) （51237003）
The General Program of National Natural Science Foundation of China (51477045) （51477045）
