基于V2G技术的车载双向充放电系统的研究*
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Research on Bidirectional Vehicle Charging and Discharging System Based on V2G Technology
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    摘要:

    针对目前车载双向充放电系统存在体积大、灵活性差、功率小等不足,提出了由空间矢量控制的双向PWM整流器和PWM控制的双向DC/DC变换器、220 V/380 V电源以及并网接口、电机驱动电压输出端组成的系统;该方案的优点在于可以进行220 V/380 V之间的切换,增强了灵活性和电动车的续航能力;用到的功率器件均是电动汽车系统中的原有器件,节省了成本和车载空间,且在电动汽车闲置时可作为移动电源对电网进行反馈能量;通过仿真实验并分析仿真结果验证了系统的可行性,能够实现基于V2G技术的车载双向充放电功能。

    Abstract:

    According to the shortcomings of present twoway charging and discharging system such as large volume, poor flexibility and low power and so on, this paper proposes a system composed of bidirectional DC/DC converter controlled by space vector and bidirectional DC/DC converter with PWM control and with twoway PWM rectifier, 220V/380V power supply, grid connector and motor drive voltage output. This program has the advantage of being able to switch between 220V/380V to enhance the flexibility and power consumption of electric vehicles, the power devices, which are used in electric vehicle system, being the original devices of eauto, saving cost and vehicle space, and can be used as a mobile power supply to power grid for feedback energy when the electric car is idle. The feasibility of the system is verified by simulation experiments and by analyzing the simulation results so that the twoway vehicle charging and discharging function based on V2G technology can be realized.

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刘浩浩,郭兴众,高文根.基于V2G技术的车载双向充放电系统的研究*[J].重庆工商大学学报(自然科学版),2017,34(6):66-73
LIU Hao-hao, GUO Xing-zhong, GAO Wen-gen. Research on Bidirectional Vehicle Charging and Discharging System Based on V2G Technology[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2017,34(6):66-73

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  • 在线发布日期: 2017-11-15
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