A Novel Energy Balanced Variable Frequency Control for Input-Series-Output-Parallel Modular EV Fast Charging Stations

被引：0
|
作者：
Tian, Qi [1 ]
Huang, Alex Q. [1 ]
Teng, Hui [2 ]
Lu, Juncheng [2 ]
Bai, Kevin [2 ]
Brown, Alan [3 ]
McAmmond, Matt [3 ]
机构：
[1] North Carolina State Univ, Dept ECE, Raleigh, NC 27695 USA
[2] Kettering Univ, Dept ECE, Flint, MI USA
[3] Hella Corp Ctr USA Inc, Plymouth Twp, MI USA
来源：
2016 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2016年
关键词：
Dual-active-bridge (DAB); Zero-Voltage-Switching (ZVS); Power-Factor-Correction (PFC); Input Series Output Parallel (ISPO); Variable Switching Frequency (VSF); CONVERTERS; EFFICIENCY; POWER;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
At present time, the most common electrical vehicle (EV) chargers employ a two-stage design, i.e., a front-end AC/DC stage + an isolated DC/DC converter. In this paper, an isolated dual-active-bridge (DAB) based single-stage AC/DC converter was proposed, which has the power-factor-correction (PFC) and zero-voltage-switching (ZVS) functions over the full-load range. By reducing one power stage and eliminating the large DC link capacitor, a high efficiency and high power density are achieved. Such topology can be used as a modular building block to scale up to 50kW by serial connecting the input terminals and paralleling output terminals. A novel energy-balanced variable switching frequency control for such input-series-output-parallel (ISPO) modular designed is proposed. A single-phase d-q transformation is implemented to achieve zero steady-state error. Simulation analysis and experimental validation are presented.
引用
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页数：6
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