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检索条件"机构=State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology"

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The construction system and application of distribution network digital gateway integrated with electrical topology 7

The construction system and application of distribution netw...

引用

7th International Conference on Mechatronics and Intelligent Robotics, ICMIR 2023

作者： Yang, Pei Zhu, Fuyun Mao, Yanfang Xu, Min Xu, Xiaoyi Wang, Gang State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Nanjing210003 China State Grid Smart Grid Research Institute CO. LTD Nanjing210003 China State Grid Nantong Power Supply Company State Grid Jiangsu Electric Power CO. LTD Nantong226000 China

ISBN: (数字)9781510668089

ISBN: (纸本)9781510668072

With the digital transformation of distribution network, it is a trend to use digital twins to simulate the status and operation of distribution network system. However, the current distribution network digital twin system is inclined to model three-dimensional display and data superposition, lacks the characteristics of power business, and is difficult to grow synchronously with the dynamic evolution of the power system. At the same time, the twin construction for massive distribution network objects consumes a lot of labor and time costs1. Therefore, this paper introduces the grid topology and electrical state calculation model based on graph calculation, integrates the electrical topology to realize the rapid construction and automatic layout of distribution network data twins, and carries out distribution network business applications such as distribution network panoramic state monitoring, power supply range analysis, etc. based on the distribution network twins scene. © 2023 SPIE. All rights reserved.

关键词： Topology

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Research and Implementation of Spatial Layout Algorithm and Optimization technology for Digital Twin Objects of Distribution Network Facilities 5

Research and Implementation of Spatial Layout Algorithm and ...

引用

5th International Conference on Applied Machine Learning, ICAML 2023

作者： Qiao, Junfeng Peng, Lin Zhou, Aihua Ou, Zhujian Xu, Xiaoyi Yao, Jianguang State Grid Smart Grid Research Institute Co. Ltd State Grid Laboratory of Power Cyber-Security Protection & Monitoring Technology Jiangsu Nanjing210003 China Nantong Power Supply Company State Grid Jiangsu Electric Power Co. Ltd Jiangsu Nanjing210014 China

ISBN: (纸本)9798350341416

The equipment and facilities in the distribution network include not only primary equipment such as transformers, circuit breakers, lightning arr-esters, capacitors, but also secondary equipment such as transfer switches, buttons, indicator lights, current and voltage meters. The total number of equipment types exceeds 200, and the average number of equipment in provincial areas exceeds 100 million. Equipment management is very arduous. The equipment management system in the power industry records the basic archive information of all these equipment, including equipment nameplate, equipment type, equipment operation mode, and geographic information. With the rapid development of power applications, the two-dimensional information description in device management systems cannot meet the needs of more complex power applications. The spatial description and layout of device objects is the foundation for the next step of power business applications. To address this issue, this paper proposes a layout and optimization algorithm for the digital twin object space of distribution network facilities, which visualizes distribution network equipment and facilities, and describes the three-dimensional features of the equipment using point cloud description methods, providing a spatial layout and optimization method for the equipment. The method proposed in this paper has been applied and verified in actual power production and maintenance business, improving the efficiency of power operation and maintenance work. © 2023 IEEE.

关键词： Electric power distribution

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Research and Application of Distribution Network Dispatching Operation Based on Digital Twinning technology 12

Research and Application of Distribution Network Dispatching...

引用

12th International Conference of Information and Communication technology, ICTech 2023

作者： Qiao, Junfeng Ou, Zhujian Peng, Lin Zhu, Fuyun Zhou, Aihua Yang, Pei State Grid Smart Grid Research Institute Co. ltd State Grid Laboratory of Power Cyber-Security Protection & Monitoring Technology Jiangsu Nanjing210003 China State Grid Jiangsu Electric Power Co. Ltd Nantong Power Supply Company Jiangsu Nanjing210014 China

ISBN: (纸本)9798350332919

In the electric distribution grid, the access of distributed electric power generation also brings new technical challenges. From the perspective of operation, after the distributed generation is related to the electric distribution grid, due to the uncertainty of wind energy, solar energy and other new energy, there will be higher harmonics in the distribution network that affect the power quality and power supply reliability. On the other hand, it is necessary to consider the economic cost and reasonably distribute the output status of different units in the distribution network to achieve the unity of economic and ecological benefits. While, it has occasion to research the dispatching method of electric distribution grid with distributed generation. This paper uses digital twinning technology to build virtual equipment modeling scheme, which integrates equipment basic data, system single line diagram and grid geographic coordinate data. With rapid processing governance as the core and electric grid topology computing function, it realizes the whole process management of electric distribution grid dispatching and management, and provides production management personnel with distribution network digital simulation platform and auxiliary decision-making function. © 2023 IEEE.

关键词： Decision making

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An anonymous authentication mechanism based on zero-knowledge proof for power system 2

An anonymous authentication mechanism based on zero-knowledg...

引用

2nd International Symposium on Computer Applications and Information Systems, ISCAIS 2023

作者： Liu, Shenglong Zhang, Ge Jiang, Jiawei Zhou, Xin Yang, Ruxia Big Data Center of State Grid Corporation of China China State Grid Laboratory of Power cyber-Security Protection and Monitoring Technology Nanjing210003 China State Grid Smart Grid Research Institute Co. Ltd. Nanjing210003 China

ISBN: (纸本)9781510666665

With the application of new technologies such as Internet of things and big data in smart grid industry, new power systems based on new energy sources have emerged in response to the call of "Peak carbon, carbon neutrality". The power grid enterprise concentrates the data assets and business access to the data external service, which needs to connect a large number of data sources. Ensuring the authenticity of the data without tampering becomes a big challenge. The power system adopts the identity authentication mechanism to resist the security attack and protect the sensitive data. However, in the process of user authentication, the sending of real identity information will lead to the reduction of system privacy, which is easy to cause the leakage of sensitive data. This paper proposes an anonymous authentication mechanism based on zero-knowledge proof for power system, which authenticates the server without revealing the identity. This mechanism uses zero-knowledge proof algorithm to design an anonymous authentication protocol framework, which consists of three stages: registration, mutual authentication and revocation. In this method, anonymous certificate and elliptic curve encryption technology are used to realize the anonymity and authenticity of users. The mechanism effectively protects the user’s real identity information and maintains the sensitive data in the power system. © 2023 SPIE.

关键词： Sensitive data

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Automatic Generation of security Policy Based on Standardized security Configuration

Automatic Generation of Security Policy Based on Standardize...

引用

2023 International Conference on Computer Network security and Software Engineering, CNSSE 2023

作者： Xi, Zesheng Zhang, Bo Zhou, Bo Zhong, Xiangyu Zhou, Juan State Grid Smart Grid Research Institute co. Ltd. Nanjing China State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Nanjing China Hunan SGIT Technology co. Ltd. Hunan China

ISBN: (数字)9781510666528

ISBN: (纸本)9781510666511

Automatic protection is an emerging topic in the field of network security. With the increasingly large scale of computer network system, the network threats we face are becoming more and more serious, and the complexity of network environment is also increasing. Obviously, manual security management is no longer suitable. Therefore, many scholars point out that automatic configuration of security policies can be carried out by building automatic generation system of security policies, and then can manage network devices easily. This paper proposes an automatic policy construction method based on security configuration intention and policy mapping model, including the establishment of standardized security configuration intention database, formal description of security configuration policy, and standardized security configuration intention and policy mapping. © 2023 SPIE.

关键词： Network security

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Research on the Integration and Fusion technology of Distribution Network Data Resources Considering New Energy 6

Research on the Integration and Fusion Technology of Distrib...

引用

6th International Conference on Information Technologies and Electrical Engineering, ICITEE 2023

作者： Qiao, Junfeng Zhou, Aihua Peng, Lin Wang, Yiqing Shen, Xiaofeng Pan, Sen Yang, Pei State Grid Laboratory of Power Cyber-Security Protection Monitoring Technology State Grid Smart Grid Research Institute Co. Ltd China Xuzhou Power Supply Company State Grid Jiangsu Electric Power Co. Ltd China Qingpu Power Supply Company State Grid Shanghai Municipal Electric Power Company China

ISBN: (纸本)9798400708299

The essence of the construction and development of new power systems is to improve the functionality and performance of existing power systems, and the distribution network is the key to the functionality of the power system. Therefore, the upgrading and optimization of the distribution network is the key to the success of the modern energy revolution, and the development of the distribution network is also faced with management and technical challenges brought by new equipment and resources. This article proposes a distribution network data resource integration and fusion method that takes into account new energy, integrating the constantly emerging new power equipment and facilities as well as their corresponding data resources into existing power information management systems. Using the integrated distribution network data platform as the data base to support the deepening and development of distribution network business applications. Firstly, the data description characteristics of the new power equipment and facilities are sorted out, and the description rule system is extracted using the methods of power equivalence processing and equipment profiling. Due to the lack of standardized description rules for new energy equipment, it is necessary to reorganize and construct a corresponding description rule system. Then map and correspond its description rules with existing power information description rules, find its mapping method, and build a mapping rule library. Finally, based on the mapping rule library, the fusion of new energy data and existing distribution network data resources is achieved, and the accuracy and applicability of data resource fusion are verified by selecting real data from business application scenarios. © 2023 ACM.

关键词： Electric power distribution

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Research and Implementation of Multi Fusion Data Model Construction technology for Distribution Network Digital Twins 2nd

Research and Implementation of Multi Fusion Data Model Const...

引用

2nd World Conference on Intelligent and 3D Technologies, WCI3DT 2023

作者： Qiao, Junfeng Peng, Lin Zhou, Aihua Pan, Sen Yang, Pei Mao, Yanfang Zhu, Fuyun State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology State Grid Smart Grid Research Institute Co.LTD Jiangsu Nanjing210003 China Nantong Power Supply Company State Grid Jiangsu Electric Power Supply Co. LTD Jiangsu Nanjing210014 China

ISBN: (纸本)9789819970100

The core of digital twin is the digital reconstruction of physical space, that is the physical space perception and processed data are applied to the virtual space to achieve real-time mapping of physical space through full integration of data. With the rapid development of digital twin technology in the power field, in order to achieve the purpose of real-time data fusion of physical space and virtual space in the digital twin of distribution network, the virtual and real data fusion processing technology for digital twin has become the focus of research in the power field. In this paper, firstly, the characteristics and ontology technology of power digital twin virtual and real data are studied, and an ontology-based virtual and real data fusion architecture is proposed. Then, a semantic feature extraction method is proposed for the structured and unstructured virtual and real data of power digital twin, and the extracted semantic features are formatted, described, and stored. Then the overall architecture of the distribution network digital twin virtual real data fusion system is designed, the technical route of the system is analyzed and discussed, and the virtual real data fusion processing is completed using the similarity algorithm and fusion rules based on the elements between ontology. Finally, the functional modules of the distribution network digital twin virtual real data fusion system are divided and introduced, and the digital twin virtual real data fusion of the fan hub casting process is verified as an example. © 2024, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Data fusion

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Attack-Aware Capability Assessment Method Based on Specific Semantic Search 6

Attack-Aware Capability Assessment Method Based on Specific ...

引用

6th International Conference on Electronic Engineering and Informatics, EEI 2024

作者： Zhang, Daojuan Zhao, Qi Wang, Yuman Li, Shu Tian, Zheng Sun, Yizhen State Grid Smart Grid Research Institute co. Ltd State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Beijing China State Grid information & Communication Company of Hunan Electric Power Corporation Hunan Provincial Key Laboratory of Internet of Things in Electricity Hunan Changsha China

ISBN: (纸本)9798350353594

In this paper, we propose an attack perception capability assessment method based on the specific semantic search for the problem of attack perception capability assessment of security protection equipment for power monitoring systems. The method aims to improve the recognition and localization accuracy of common attacks by accurately correlating the output products of security equipment with the execution of attack test cases. The research employs an attack-specific semantic generation technique that combines attack attribute values with timestamps to form specific semantics for subsequent matching. Pattern matching algorithm, specifically the BM (Boyer-Moore) algorithm, is further utilized to match the specific semantics with the output products of the security device Snort to achieve attack localization. Experimental results demonstrate that Snort exhibits high accuracy in perceiving the majority of attack types and exhibits an enhanced perception rate compared to certain baseline methods. In summary, the method proposed in this paper effectively improves the sensing ability of security equipment to attacks on the power monitoring system and provides a new idea for the performance evaluation of security protection equipment. © 2024 IEEE.

关键词： attack awareness pattern matching power monitoring system specific semantics

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Research and implementation of abnormal outage behavior prediction and analysis system based on digital twinning technology 3

Research and implementation of abnormal outage behavior pred...

引用

3rd International Conference on Electronics, Electrical and Information Engineering, ICEEIE 2023

作者： Qiao, Junfeng Peng, Lin Zhou, Aihua Ou, Zhujian Xu, Xiaoyi Zhu, Fuyun State Grid Laboratory of Power cyber-Security Protection & Monitoring Technology State Grid Smart Grid Research Institute Co.LTD. Jiangsu Nanjing210003 China Nantong Power Supply Company State Grid Jiangsu Electric Power Co. LTD Jiangsu Nanjing210014 China

ISBN: (纸本)9781510671423

Electric power failure is the most common problem in power supply, and it is also one of the biggest problems for customers. From the perspective of power management, blackouts can be divided into fault blackouts and planned blackouts. There are three types of reasons for failure and power failure. One is overload of public transformer and special transformer, iron core grounding and lightning breakdown. The other is drop fuse failure and lack of equivalence for special transformer users. The last is power failure for residential users, line disconnection after meter, short circuit, leakage switch failure, etc. For planned outage, it is mainly caused by planned maintenance and repair according to the operation cycle of power line equipment. Among them, planned power outages are controllable, and the power management unit notifies the power customers in advance. However, the failure of power outages usually causes certain damage to the power customers, so it has certain harmfulness. In view of the above problems, this paper uses digital twinning technology to analyze the causes of failure and outage, and uses digital technology to carry out failure and outage prediction to reduce the losses caused by failure and outage. © 2023 SPIE.

关键词： Forecasting

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Research and implementation of a digital twin model reconstruction method for distribution network based on intelligent adaptation 3

Research and implementation of a digital twin model reconstr...

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3rd International Conference on Electronics, Electrical and Information Engineering, ICEEIE 2023

作者： Qiao, Junfeng Peng, Lin Zhou, Aihua Ou, Zhujian Xu, Xiaoyi Mao, Yanfang State Grid Laboratory of Power cyber-Security Protection & Monitoring Technology State Grid Smart Grid Research Institute Co.LTD. Jiangsu Nanjing210003 China Nantong Power Supply Company State Grid Jiangsu Electric Power Co. LTD Jiangsu Nanjing210014 China

ISBN: (纸本)9781510671423

Currently, there have been many studies on digital twin models and analysis algorithms for power application scenarios. These studies mainly focus on building digital twin models for static power equipment and existing historical data. With the positive development of China's economic situation, the number of electricity customers continues to grow, and the scale of corresponding power supply facilities and equipment is also expanding. Accordingly, digital twin models built for static power grid equipment and facilities and power grid structures have to be updated to meet new model application requirements. To address this issue, this paper proposes an intelligent adaptive digital twin model reconstruction method for distribution networks, which reconstructs and optimizes existing digital twin models and reduces the cost of model construction. Reconstruction of the digital twin model for distribution network equipment requires first extracting the basic data of the distribution network equipment, including equipment nameplates, geographic information, and point cloud scanning data. Then, by using the equipment as the identifier, multi-source heterogeneous data across topics are fused. Finally, based on probabilistic and statistical methods, the data structure within the model is reconstructed and optimized for grid business data requests. © 2023 SPIE.

关键词： Electric power distribution

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