PLC在电动汽车与充电桩控制通信系统中的应用
发布时间：2019-01-06 05:49
【摘要】：电动汽车作为一种绿色、环保、经济的交通工具正得到快速发展,电动汽车充电设施是保障电动汽车运行的重要基础,也是智能电网建设与发展的重点。当今传统的无交互式充电方式已不能满足智能化充电的需要,为达到电动汽车的智能化充电管理这一目的,电动汽车和充电站(桩)之间需建立高速、可靠的通信连接,使电网与电动汽车之间具备信息交互的能力。电力线载波通信(PLC)技术利用现有电力线路进行信息传输,实现了供电与信息通信的二合一,具有独特的优势；另一方面,PLC技术的快速发展也使其具有了胜任这一角色的能力。 目前PLC技术无论在电动汽车车内控制系统,还是在车外充电控制系统中的研究与应用还都处于起步阶段,也正逐渐成为国外尤其是欧洲国家的研究热点。但在国内,这方面的研究还处于探索阶段。 本文结合电动汽车充换电站系统的建设,研究了电动汽车充换电系统体系结构,分析了业务通信需求及信息流向；文章重点研究了电动汽车与充电桩之间的通信业务需求,结合通信协议分析了业务带宽及通信性能要求,得出了应用层应具备10kbps传输速率的结论；本文提出了PLC技术在电动汽车与充电桩之间的应用方案,研究了窄带及宽带PLC技术应用上的可行性,并结合实验室测试对几种PLC产品在电动汽车与充电桩之间通信的适用性进行了测试和分析评估,得出PLC技术完全满足电动汽车与充电桩之间通信需要的结论。此外,本文通过分析充电线缆信道的背景噪声,得出了对于窄带PLC技术而言,将CP-PE线作为载波信道比利用L-N线传输载波信号具有更好传输效果的结论。最后,文章分析了目前工作的不足之处及需要进一步研究的内容,并对PLC技术的应用前景作了展望。本课题研究会对PLC技术应用方向的探究起到积极作用,同时会为PLC应用技术升级及改进提供一定的指导。
[Abstract]:As a green, environmentally friendly and economical vehicle, electric vehicle (EV) is developing rapidly. The electric vehicle charging facility is the important foundation to ensure the operation of electric vehicle, and also the key point of the construction and development of smart grid. Nowadays, the traditional non-interactive charging method can not meet the need of intelligent charging. In order to achieve the purpose of intelligent charging management of electric vehicles, it is necessary to establish a high-speed and reliable communication connection between electric vehicles and charging stations (piles). The ability to communicate information between the power grid and electric vehicles. Power line carrier communication (PLC) technology makes use of the existing power lines to transmit information, which realizes the integration of power supply and information communication, and has unique advantages. On the other hand, the rapid development of PLC technology also makes it capable of this role. At present, the research and application of PLC technology in the electric vehicle internal control system or in the external charging control system are still in the initial stage, and are gradually becoming the research hotspot in foreign countries, especially in European countries. However, in China, the research in this area is still in the stage of exploration. Based on the construction of electric vehicle charging and switching power station system, this paper studies the system structure of electric vehicle charging and switching system, and analyzes the service communication requirements and information flow direction. This paper focuses on the communication service requirement between electric vehicle and charging pile, analyzes the service bandwidth and communication performance requirements combined with the communication protocol, and draws the conclusion that the application layer should have 10kbps transmission rate; In this paper, the application scheme of PLC technology between electric vehicle and charging pile is put forward, and the feasibility of narrow band and wide band PLC technology is studied. The applicability of several PLC products in the communication between electric vehicle and charging pile is tested and evaluated with laboratory test. The conclusion is drawn that PLC technology can fully meet the need of communication between electric vehicle and charging pile. In addition, by analyzing the background noise of charging cable channel, it is concluded that for narrowband PLC technology, using CP-PE line as carrier channel is better than using L-N line to transmit carrier signal. Finally, the paper analyzes the shortcomings of the current work and needs further research, and prospects for the application of PLC technology. This research will play a positive role in exploring the application direction of PLC technology, and will provide some guidance for the upgrading and improvement of PLC application technology.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U469.72;TM910.6
本文编号：2402423
[Abstract]:As a green, environmentally friendly and economical vehicle, electric vehicle (EV) is developing rapidly. The electric vehicle charging facility is the important foundation to ensure the operation of electric vehicle, and also the key point of the construction and development of smart grid. Nowadays, the traditional non-interactive charging method can not meet the need of intelligent charging. In order to achieve the purpose of intelligent charging management of electric vehicles, it is necessary to establish a high-speed and reliable communication connection between electric vehicles and charging stations (piles). The ability to communicate information between the power grid and electric vehicles. Power line carrier communication (PLC) technology makes use of the existing power lines to transmit information, which realizes the integration of power supply and information communication, and has unique advantages. On the other hand, the rapid development of PLC technology also makes it capable of this role. At present, the research and application of PLC technology in the electric vehicle internal control system or in the external charging control system are still in the initial stage, and are gradually becoming the research hotspot in foreign countries, especially in European countries. However, in China, the research in this area is still in the stage of exploration. Based on the construction of electric vehicle charging and switching power station system, this paper studies the system structure of electric vehicle charging and switching system, and analyzes the service communication requirements and information flow direction. This paper focuses on the communication service requirement between electric vehicle and charging pile, analyzes the service bandwidth and communication performance requirements combined with the communication protocol, and draws the conclusion that the application layer should have 10kbps transmission rate; In this paper, the application scheme of PLC technology between electric vehicle and charging pile is put forward, and the feasibility of narrow band and wide band PLC technology is studied. The applicability of several PLC products in the communication between electric vehicle and charging pile is tested and evaluated with laboratory test. The conclusion is drawn that PLC technology can fully meet the need of communication between electric vehicle and charging pile. In addition, by analyzing the background noise of charging cable channel, it is concluded that for narrowband PLC technology, using CP-PE line as carrier channel is better than using L-N line to transmit carrier signal. Finally, the paper analyzes the shortcomings of the current work and needs further research, and prospects for the application of PLC technology. This research will play a positive role in exploring the application direction of PLC technology, and will provide some guidance for the upgrading and improvement of PLC application technology.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U469.72;TM910.6
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，本文编号：2402423
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