| 基于DSP+ARM的直流充电桩高精度电能表的研究 |
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| 引用本文： | 周贤富,尤子龙,李静,张闯,边慧萍,牛高远.基于DSP+ARM的直流充电桩高精度电能表的研究[J].电测与仪表,2021,58(2):196-200. |
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| 作者姓名： | 周贤富 尤子龙 李静 张闯 边慧萍 牛高远 |
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| 作者单位： | 国网浙江省电力有限公司丽水供电公司,浙江丽水323000;哈尔滨电工仪表研究所有限公司,哈尔滨150028;许继电源有限公司,河南许昌461000 |
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| 基金项目： | 国网浙江省电力有限公司科技项目 |
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| 摘 要： | 针对电动汽车直流充电桩充电时电能计量装置存在稳定性差、计量精度低等实际情况,从工程需求出发,进行了电能计量装置组成结构以及设计过程的分析和阐述.通过采用DSP+ARM结构方式,并应用新型的隧道磁阻传感器构建了电能计量装置,实现了参数的采集、计算、显示和存储等功能,特别地通过采用隧道磁阻电流传感器的结构方式,有效地改进了分流器长时间大电流充电时发热对电能计量带来的影响,经试验测试表明,系统方案具有可行性以及实用性,具有较好的应用空间.
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| 关 键 词： | 直流充电桩 电能计量 嵌入式系统 隧道磁阻传感器 |
| 收稿时间： | 2020/6/24 0:00:00 |
| 修稿时间： | 2020/7/31 0:00:00 |
Research and Application of Electric Energy Metering Based on DSP+ARM for the DC charging of Electric vehicle |
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| Zhou Xianfu,You Zilong,Lijing,Zhangchuang,Bian Huiping and Niu Gaoyuan.Research and Application of Electric Energy Metering Based on DSP+ARM for the DC charging of Electric vehicle[J].Electrical Measurement & Instrumentation,2021,58(2):196-200. |
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| Authors: | Zhou Xianfu You Zilong Lijing Zhangchuang Bian Huiping and Niu Gaoyuan |
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| Affiliation: | Lishui Power Supply Company of State Grid Zhejiang Electric Co.,Lishui Power Supply Company of State Grid Zhejiang Electric Co.Ltd,Harbin Research Institute of Electrical Instrumentation Co. Ltd,Harbin Research Institute of Electrical Instrumentation Co. Ltd,XJ Power Co., Ltd.,XJ Power Co., Ltd. |
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| Abstract: | According to the real situation of lack of electric energy metering system based on embedded platform to solve the problem of poor stability and low metering accuracy of electric energy metering device during CHARGING of DC charging piles of electric vehicles., this paper introduce a data monitoring system which based on embedded platform. This system adopts modularization design which includes signal collecting, DSP signal processing and ARM processing platform. The accuracy of data counting is apparently improved because the data collecting unit adopts 16 channels synchronous sampling; system can collects, counts, displays and stores plant operation data for system analysis effectively, since combination of DSP and ARM. This solution is useful to design monitoring system which will be more portable, lower cost and energy consumption. |
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