Urban Rail Transit Power System Integrated with Electric Vehicles Based on CLLC Resonant and Buck-boost Converter

被引：0

作者：

Liu Hao ^{[1
]}

Zheng Zedong ^{[1
]}

Li Yongdong ^{[1
]}

Yao Ruidi ^{[1
]}

Xu Zheng ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing, Peoples R China

[2] Tsinghua Univ, Grad Sch Shenzhen, Dept Elect Engn Shenzhen, Natl Key Lab Power Syst, Shenzhen, Peoples R China

来源：

2018 IEEE INTERNATIONAL CONFERENCE ON ELECTRICAL SYSTEMS FOR AIRCRAFT, RAILWAY, SHIP PROPULSION AND ROAD VEHICLES & INTERNATIONAL TRANSPORTATION ELECTRIFICATION CONFERENCE (ESARS-ITEC) | 2018年

基金：

中国国家自然科学基金;

关键词：

urban rail transit; electric vehicles; braking energy feedback; CLLC bi-directional resonant converter; buck-boost converter; power electronics transformer; DC-DC CONVERTER; DESIGN;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In urban rail transit system, braking energy of trains is of large scale, but it has not been used sufficiently. Most of the energy has been wasted on resistors. To smooth the fluctuation of traction grid and reduce the loss, various energy feedback methods and energy storage devices are applied in the system. Accompanied by the development and popularity of electric vehicle (EV), the energy storage capacity of it can be used in urban rail system. In this study, a novel architecture combining electric vehicles with urban rail transit is put forward, which absorbs braking energy nearby. By applying cascaded power transmission unit based on CLLC bidirectional resonant converter and buck-boost non-isolation converter, orderly power flows are allowed and power supply is more flexible with a small volume and high efficiency.

引用

页数：7

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