共查询到19条相似文献,搜索用时 140 毫秒
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随着社会的发展,科技的进步,在智能电网当中应用物联网是是当今科技发展的必然结果,物联网是由网络、通信、数据等多项技术融为一体的智能化网络,将这种智能化网络与如今的智能电网相结合所起到的效果不但对电力系统的设施资源进行有效的整合,同时还提高系统在自动化、信息化方面的科技水平,在维护了电力系统安全性的同时,也保证了电力系统的可持续发展。本文针对物联网基础下的智能电网在信息化方面的建设进行分析,并为此提出几点意见以供参考。 相似文献
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<正>本文基于智能电网和电力物联网建设的背景下,研究探讨5G移动通信与物联网技术在电力系统中的应用。首先介绍5G和物联网技术的内涵及特点,探讨泛在电力物联网基本架构功能及对通信业务的需求,重点分析了5G网络切片、IAB技术与边缘计算技术特征及在电力物联网中的应用。 相似文献
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《信息通信》2018,(2)
配用电通信网,作为直接服务于客户的电力系统中低压网络,是智能电网的关键环节,配用电通信网的规划是当前电力通信网络组建的重点和难点。低功耗广域网技术作为物联网领域的新兴热点技术,在功耗、传输距离和网络成本方面弥补现有通信技术的短板,是配用电通信网未来发展的重要支撑技术手段。基于对上述问题的分析,文章提出了基于低功耗广域网技术的智能配用电网络架构,包含信息采集域、信息传输域和应用服务域,完成了信息采集子系统、信息传输子系统和应用服务子系统的软件流程设计,并在信息采集子系统中细化了信息采集模块与微控制器模块的软件流程。为完善和丰富新技术的应用场景贡献了一定的研究价值。 相似文献
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智能电网中分布着大量的无线传感器用于监测智能电网设备和用户的运营状态信息,原始监测数据都采集到数据处理中心会给数据采集通信网络带来极大的数据流量压力。采用在数据采集过程中进行数据聚合的策略,将极大地缩减数据流量,降低通信网络的开销。因此聚合节点的选择以及聚合拓扑的构造成为智能电网数据采集的关键问题。该文提出一种基于层次聚类的异步分布式聚合布局构造算法。该算法首先按照层次聚类把所有节点按照距离的远近聚合构造出一棵采集树。随后计算出最佳分组数,按照该分组数进行分组。然后按照异步分布式策略进行最佳聚合节点的选择以及最佳传输拓扑的构造。仿真实验表明,该算法可以快速找到具有最小开销的数据聚合方式,提高智能电网数据采集网络的效率。 相似文献
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Na Gai Kaiping Xue Bin Zhu Jiayu Yang Jianqing Liu Debiao He 《Digital Communications & Networks》2022,8(3):333-342
By integrating the traditional power grid with information and communication technology, smart grid achieves dependable, efficient, and flexible grid data processing. The smart meters deployed on the user side of the smart grid collect the users' power usage data on a regular basis and upload it to the control center to complete the smart grid data acquisition. The control center can evaluate the supply and demand of the power grid through aggregated data from users and then dynamically adjust the power supply and price, etc. However, since the grid data collected from users may disclose the user's electricity usage habits and daily activities, privacy concern has become a critical issue in smart grid data aggregation. Most of the existing privacy-preserving data collection schemes for smart grid adopt homomorphic encryption or randomization techniques which are either impractical because of the high computation overhead or unrealistic for requiring a trusted third party.In this paper, we propose a privacy-preserving smart grid data aggregation scheme satisfying Local Differential Privacy (LDP) based on randomized responses. Our scheme can achieve an efficient and practical estimation of power supply and demand statistics while preserving any individual participant's privacy. Utility analysis shows that our scheme can estimate the supply and demand of the smart grid. Our approach is also efficient in terms of computing and communication overhead, according to the results of the performance investigation. 相似文献
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随着智能电网的建设,电力信息网络越来越复杂,为了解决电力信息网络环境下各信息孤岛之间、电力企业与电力用户之间数据交换和共享的安全,提出智能电网环境下用户行为可信数据安全交换:在客户端,记录数据的基本属性及用户操作;通过统一的安全交换协议进行信息传输;在服务端,依据数据属性和用户操作通过配置策略过滤数据,使用关联分析分析用户异常行为,并采用用户行为可信技术对用户行为进行可信检查。通过分析,用户行为可信数据交换能够在异构环境下从数据传输、数据安全和用户行为可信三方面确保数据的安全交换。 相似文献
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Nipendra Kayastha Dusit Niyato Ekram Hossain Zhu Han 《Wireless Communications and Mobile Computing》2014,14(11):1055-1087
The smart grid is an innovative energy network that will improve the conventional electrical grid network to be more reliable, cooperative, responsive, and economical. Within the context of the new capabilities, advanced data sensing, communication, and networking technology will play a significant role in shaping the future of the smart grid. The smart grid will require a flexible and efficient framework to ensure the collection of timely and accurate information from various locations in power grid to provide continuous and reliable operation. This article presents a tutorial on the sensor data collection, communications, and networking issues for the smart grid. First, the applications of data sensing in the smart grid are reviewed. Then, the requirements for data sensing and collection, the corresponding sensors and actuators, and the communication and networking architecture are discussed. The communication technologies and the data communication network architecture and protocols for the smart grid are described. Next, different emerging techniques for data sensing, communications, and sensor data networking are reviewed. The issues related to security of data sensing and communications in the smart grid are then discussed. To this end, the standardization activities and use cases related to data sensing and communications in the smart grid are summarized. Finally, several open issues and challenges are outlined. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
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智能电网系统的网络安全问题越来越受到学术界的关注,为此提出了许多网络攻击的检测和防御方法,以增强智能电网系统的鲁棒性。文中提出了一种新的基于分布式区块链的保护框架,以增强智能电网系统抵御网络攻击的能力。该框架将智能电表作为分布式网络中的节点,将电表测量数据封装为块,利用区块链技术来实现对智能电表计量数据的分布式共识。性能分析的结果验证了该保护框架的有效性。 相似文献
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Unlike the existing electric grid, the smart grid has a variety of functions that enable electric utility suppliers and consumers to perform dual exchanges of real-time information by adding IT technology. Therefore, the systems of smart grid suppliers and those of users are always connected through a network, which means that the systems related to the smart grid could become targets of malicious attackers. The various smart grid systems could have different hardware configuration from those of general systems, but their fundamental operating mechanism is the same as that of the general computer system. When a system is operating, its information and the data used by a program are loaded into the system’s memory. In this paper, we studied the method of physical memory collection and analysis in smart grid embedded systems in order to help investigate crimes related to smart grids. In addition, we verify the method studied in this paper through the collection and analysis of physical memory in the virtual Linux environment using a virtual machine. 相似文献
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在大数据时代,随着信息技术的发展,电网在运行过程中会产生海量的数据,且数据类型逐渐多样化,这对电网有着更高的要求,需要电网向着数字化、智能化电网转型。文中主要阐述了大数据智能电网信息调度算法,对目前的多种大数据智能电网信息调度算法进行了分析,并对基于大数据的智能电网信息调度算法提出了改进策略。 相似文献