一种基于VPN加密的即插即用分布式光伏数据采集装置研究  

Research on plug and play distributed photovoltaic data acquisition device based on VPN encryption

作　　者：蔡晟琦[1] 曹琦琳[1] Cai Shengqi;Cao Qilin(Shanghai Municipal Electric Power Company,Shanghai 200122,China)

机构地区：[1]上海市电力公司,上海200122

出　　处：《能源与环保》2018年第3期138-143,共6页CHINA ENERGY AND ENVIRONMENTAL PROTECTION

摘　　要：针对分布式光伏发电站的数据采集装置存在的数据传输安全性和稳定性欠佳、设备不够便携且安装难度大的问题,提出了一种基于VPN加密的即插即用的分布式光伏数据采集装置的设计。该设计通过公网采用加密的VPN隧道传输采集数据,保证了数据传输链路的安全和稳定,采用基于FPGA的采样电路设计减小了装置的体积,提高装置的便携性能,利用优化的SPI接口协议保证了接口数据传输的效率。最后通过试验证明了该装置具有较好的采样准确性和数据传输的稳定性。Aiming at the problem of poor data transmission safety and stability,inconvenient equipment and difficulty in installation of data acquisition devices for distributed photovoltaic power stations,a plug-and-play distributed photovoltaic data acquisition based on VPN encryption is proposed.The design of the device,T he design adopts encrypted VPN tunnel to transmit data collected through the public network,which ensures the security and stability of the data transmission link.FPGA-based sampling circuit design reduces the size of the device,improves the portability of the device,and uses an optimized SPI interface.The protocol ensures the efficiency of data transmission on the interface.Finally,experiments have proved that the device has good sampling accuracy and data transmission Stability-

关 键 词：数据采集 VPN IPSec加密 FPGA SPI协议 

分 类 号：TN925[电子电信—通信与信息系统] TP393[电子电信—信息与通信工程]