一个智能电网数据共享计划,支持政策更新和可追溯性.
Xiaodong Yang1, Ke Yao2, Songyu Li1
1College of Computer Science and Engineer, Northwest Normal University, Lanzhou, 730070, China.
Scientific reports
|July 20, 2025
概括
这项研究介绍了一种基于区块链的智能电网数据共享计划. 它通过消除集中的权威机构,提高安全性和效率,并使灵活的政策更新成为安全的数据访问.
科学领域:
- 计算机科学 计算机科学
- 电气工程 电气工程
- 信息安全 信息安全
背景情况:
- 传统的基于属性的加密方案面临着中央权力机构,低效的加密和数据共享中不充分的访问控制的挑战.
- 智能电网数据共享需要强大的安全性,高效的访问控制和隐私保护.
研究的目的:
- 提出一个安全高效的智能电网数据共享方案,使用区块链和基于属性的加密.
- 通过支持政策更新和用户可追溯性来解决现有计划的局限性.
- 增强数据保密性和访问控制灵活性.
主要方法:
- 利用区块链智能合约进行分散的密钥生成,消除了对中央属性权威的需求.
- 集成基于属性的加密和对称加密用于数据保密和灵活的访问控制.
- 采用在线/离线加密和外包计算,以减少用户和数据所有者的计算负载.
- 实施了访问控制政策更新机制,用于动态修改数据访问规则.
主要成果:
- 拟议的方案有效地保护智能电网数据隐私,并验证数据完整性.
- 它表现出对勾结攻击的抵抗力,并使恶意用户泄露私钥的跟踪成为可能.
- 该方案实现了高效的数据共享,与类似的现有方法相比,计算负担减少.
结论:
- 基于区块链的方案为智能电网数据共享提供了一个安全,高效和灵活的解决方案.
- 分散的密钥管理和政策更新机制显著改善了传统方法.
- 该计划提供了增强的安全功能,包括隐私保护,完整性验证和可追溯性.
相关概念视频
Power System Distribution
317
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
The transmission system is designed...
317
Secondary Distribution
138
Secondary distribution systems provide electrical energy at the utilization voltage levels from distribution transformers to customer meters. Typical secondary voltages in the United States include 120/240 V for residential use, 208Y/120 V for residential and commercial use, and 480Y/277 V for industrial and high-rise commercial use.
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
138
Thematic Layering in GIS
78
In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
78
Distribution Reliability and Automation
163
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
163
Selected Data About Geographic Locations
69
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
69
Levels of Use of a GIS
106
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
106


