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Fine-grained Calculation Method of Accepting distributed Generation Capacity in Distribution Network for Virtual Power Plant 6

Fine-grained Calculation Method of Accepting Distributed Gen...

引用

6th IEEE international Electrical and Energy conference, CIEEC 2023

作者： Zhong, Yongjie Ji, Ling Jiang, Yanjun Li, Jingxia Wang, Zidong Wang, Yong Guodian Nanjing Automation Co. Ltd Nanjing211153 China

ISBN: (纸本)9798350346671

The fine-grained calculation method of accepting distributed generation capacity in distribution network for virtual power plant is proposed in this paper. Firstly, a distributed generation capacity model including photovoltaic power generation and wind power generation are established based on the collection of virtual power plant information. Secondly, distribution network power flow model on power grid side, and distributed power generation output model on power supply side including photovoltaic generation model and wind power generation model are established. Thirdly, the fine-grained safe operation constraints including power supply side and power grid side are set. Then, the optimal coordinated scheduling model of acceptability of new energy distributed generation with adjustable importance factor setting mode is proposed. Finally, output virtual power plant information through optimal coordinated scheduling, and reverse determine the actual photovoltaic and wind power installed capacity selection. The proposed model and method can provide theoretical guidance and reference for the fine modeling of distributed generation capacity accepted by the distribution network of virtual power plant, fine-grained computing application, actual installed capacity selection of distributed generation, multi-mode coordinated scheduling and so on. © 2023 IEEE.

关键词： Virtual Power Plants

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Communication independent Islanding Detection technique utilizing Wavelet Packet Transform

Communication independent Islanding Detection technique util...

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2023 IEEE international conference on Power Electronics, Smart grid, and Renewable Energy, PESGRE 2023

作者： Swetha, Samavedam Verma, Vishal Delhi Technological University Electrical Engineering Department Delhi New Delhi110042 India

ISBN: (纸本)9798350310573

Islanding detection becomes a necessity when the DERs units are required to continue their generation even after the islanding of the μG from the grid. This paper investigates the effectiveness of the active islanding detection technique using 9th harmonic pilots' injection and its detection with wavelet packet decomposition at each node in autonomous mode without any communication equipment by extracting the features that can indicate the occurrence of islanding and outage of DERs connected in the μG. The proposed method is evaluated through simulation studies on a typical microgrid system having many DERs connected, and the results demonstrate the effectiveness of the method in detecting islanding events in respect of both grid and DERs with high accuracy and reliability making the power system more secure and resilient. © 2023 IEEE.

关键词： distributed energy sources harmonic current injection Islanding detection Wavelet Packet Transform

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Research on Electric - Electric Ground Rod for New Non - Slip Ground Wire Operation

Research on Electric - Electric Ground Rod for New Non - Sli...

引用

2023 international conference on Internet of Things, Robotics and distributed computing, ICIRDC 2023

作者： Zhou, Yi Li, Yongteng Wang, Jingfeng Fang, Lei Zhao, Maojie Zhao, Dingwei State Grid Zhejiang Electric Power Co. Ltd. Xiangshan County Power Supply Company Ningbo315700 China

ISBN: (纸本)9798350375275

In this project, a new type of electric ground rod suitable for temporary ground wire operation is developed. It can be combined with the standard ground wire operating lever used in substation to complete the reliable and efficient grounding wire hanging. It solves the problem that some substation working site operators cannot use the ground wire operation rod is convenient and reliable to hang the ground wire. The operation of each group of ground cables can shorten the power outage time by about 12 minutes. The electric grounding operating rod improves the safety, reliability and working efficiency of grounding wire mounting operation for power outage maintenance of electrical equipment. © 2023 IEEE.

关键词： Electric grounding

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Painless Transposition of Reproducible distributed Environments with NixOS Compose

Painless Transposition of Reproducible Distributed Environme...

引用

IEEE international conference on Cluster computing (CLUSTER)

作者： Guilloteau, Quentin Bleuzen, Jonathan Poquet, Millian Richard, Olivier Univ Grenoble Alpcs INRIA LIG CNRS F-38000 Grenoble France

ISBN: (数字)9781665498562

ISBN: (纸本)9781665498562

Development of environments for distributed systems is a tedious and time-consuming iterative process. The reproducibility of such environments is a crucial factor for rigorous scientific contributions. We think that being able to smoothly test environments both locally and on a target distributed platform makes development cycles faster and reduces the friction to adopt better experimental practices. To address this issue, this paper introduces the notion of environment transposition and implements it in NixOS Compose, a tool that generates reproducible distributed environments. It enables users to deploy their environments on virtualized (docker, QEMU) or physical (grid'5000) platforms with the same unique description of the environment. We show that NixOS Compose enables to build reproducible environments without overhead by comparing it to state-of-the-art solutions for the generation of distributed environments (EnOSlib and Kameleon). NixOS Compose actually enables substantial performance improvements on image building time over Kameleon (up to 11x faster for initial builds and up to 19x faster when building a variation of an existing environment).

关键词： Reproducibility distributed Systems System Image Deployment Nix

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Wind Power and Photovoltaic Scene Generation and Reduction Method Based on Improved Gaussian Mixture Model of Cuckoo Search 13

Wind Power and Photovoltaic Scene Generation and Reduction M...

引用

13th international conference of Information and Communication Technology, ICTech 2024

作者： Han, Bo Ni, Xueyan Tang, Rui Yu, Chengxin Shenyang Institute of Computing Technology Chinese Academy of Sciences University of Chinese Academy of Sciences Shenyang China State Grid Liaoning Ultra High Voltage Company Shenyang China

ISBN: (纸本)9798350376258

A method for generating and reducing distributed power generation output scenarios based on improved clustering analysis is proposed to address the issues of low accuracy and susceptibility to local optima in typical Gaussian mixture model clustering. Using the K-means clustering results as the initial value, the cuckoo search algorithm is used to solve for the optimal solution of GMM parameters, forming the CS-GMM improved clustering algorithm. Based on Latin hypercube median sampling, generate a large number of distributed power generation output scenarios, use CS-GMM algorithm to complete scene reduction, and obtain the reduced scenario results and the proportion of each scenario. This article verifies through experiments that the CS-GMM algorithm outperforms other comparison algorithms and has good application prospects by comparing the silhouette coefficient, Davies-Bouldin index and Calinski Harabasz score after clustering. ©2024 IEEE.

关键词： clustering algorithm cuckoo search distributed generation Gaussian mixture model scene generation and reduction

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Synchronverter based Multifunctional UPQC for distributed Generation Applications

Synchronverter based Multifunctional UPQC for Distributed Ge...

引用

2023 IEEE international conference on Power Electronics, Smart grid, and Renewable Energy, PESGRE 2023

作者： Utkarsha, Prateek Swami Naidu, N.K. Sivaprasad, Batta Yalla, Naveen Department of Electrical Engineering Varanasi India

ISBN: (纸本)9798350310573

This paper presents a multifunctional unified power quality conditioner (MUPQC) for distributed generation (DG) applications to emulate the behaviour of a synchronous generator besides the power quality enhancement. There are major dependability issues with the grid as a result of the increased use of renewable energy sources. The conventional synchronous generator has characteristics that support the stability and operation of the grid by providing voltage and frequency support. This power system reliability problem may be solved by operating the power electronic converter as a synchronous machine. Both generation side stability problems and load side harmonics problems can be solved by integrating the synchronous machine characteristics with the unified power quality conditioner (UPQC). In this study, this proposed converter system is termed as multifunctional UPQC (MUPQC). The innovative aspect of the study is the shunt converter's control algorithm, which imitates the characteristics of synchronous generators while compensating for local current harmonics. So, this proposed MUPQC assists in frequency regulation and also has the ability to operate seamlessly between grid connected and standalone modes. Moreover, this proposed MUPQC eliminates the need of PLL. The proposed control strategy of the MUPQC is validated by performing MATLAB simulation. © 2023 IEEE.

关键词： distributed generation (DG) frequency regulation Synchronverter unified power quality conditioner (UPQC)

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Interactive Image Segmentation Algorithm of Power grid Equipment Based on Convolutional Neural Network

Interactive Image Segmentation Algorithm of Power Grid Equip...

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2023 international conference on Networking, Informatics and computing, ICNETIC 2023

作者： Yi, Wei Chen, Liang Xiong, Wei Zhang, Linghao Zeng, Shilun Zhang, Jie Meishan Power Supply Company of State Grid Sichuan Electric Power Company Meishan620010 China Sichuan Power Research Institute State Grid Chengdu610041 China

ISBN: (纸本)9798350313314

Convolutional neural network combines low-level features to form more abstract high-level representation attribute categories or features, so as to discover the distributed feature representation of data. At the same time, convolutional neural network is also a research hotspot in the field of artificial intelligence and big data analysis in recent years. However, the convolutional neural network algorithm based on automatic encoder still has some limitations, such as random zeroing and noise injection during training, which leads to the loss of some key information and serious training time. Convolutional neural network has the characteristics of nonlinear nonconvexity, multi-layer hidden structure, feature vectorization, massive model parameters, etc., but its weak explanation is a huge obstacle to its theoretical development and practical application. With the rapid development of computer vision, the blind image processing technology is widely used in power grid, including fault identification of power grid equipment, monitoring of power grid equipment running status, etc. As the basic punishment of power grid equipment image processing, the segmentation algorithm of power grid equipment image has always been the focus of research. The previous image segmentation algorithms include edge-based segmentation algorithm, region-based segmentation algorithm, broad-based segmentation algorithm, interactive segmentation algorithm based on graph theory and so on. © 2023 IEEE.

关键词： Convolutional neural networks

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Analysis and Suggestions on the Architecture of New Distribution System IoT 5

Analysis and Suggestions on the Architecture of New Distribu...

引用

5th international conference on Power and Energy Technology, ICPET 2023

作者： Min, Huaidong Yang, Zhichun Ji, Xiaotong Yang, Fan Xie, Liuxin Luo, Shi Electric Power Research Institute State Grid Hubei Power Grid China State Grid Hubei Power Grid Electric Power Company China

ISBN: (纸本)9798350339673

The new power distribution system is an important part of building a new power system and promoting the realization of the 'double carbon' goal. The massive access of distributed power generation, distributed energy storage and new load makes the distribution system appear new features such as diversified power supply, interactive power consumption, electronic power, intelligent equipment and digital management. The industrial control technology system supports the current real-time and low-frequency local acquisition of the main network and the distribution network, but with the access of massive equipment, it gradually fails to meet the perception requirements. This paper analyzes the architecture of the Internet of Things applicable to the new distribution system based on the technical path of the State grid, China Southern Power grid and related enterprises, and integrates cloud computing, high-speed network communication, network security, big data processing and other technical applications, It has the features of supporting massive terminal device access, device self-description supporting plug and play, terminal batch remote operation and maintenance, and flexible business expansion, and can effectively support million-level concurrent and million-level terminal access and management. © 2023 IEEE.

关键词： equipment access and perception IoT architecture new distribution system

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Power Network Scheduling Strategy Based on Federated Learning Algorithm in Edge computing Environment 4th

Power Network Scheduling Strategy Based on Federated Learnin...

引用

4th international conference on Big Data and Security, ICBDS 2022

作者： Xu, Xiaowei Ding, Han Wang, Jiayu Hua, Liang State Grid Wuxi Power Supply Company Wuxi China

ISBN: (纸本)9789819932993

distributed new energy consumption scenarios, such as photovoltaic, energy storage, charging stake, etc., are facing the needs of processing massive real-time data, large-scale distributed new energy and access to diverse loads. Based on the business characteristics such as business peak-valley dynamic change, network connection and time-delay differential demand of different business in energy and power business, a reasonable and effective integrated resource scheduling model of computing resources suitable for distributed new energy consumption scenario is studied to support power planning and dynamic dispatch application. In this article, we propose an arithmetic planning strategy based on federal learning. Specifically, we first introduce a computing priority network scheduling framework in edge cloud computing environments. Secondly, we process the absorption data of corresponding energy nodes by random forest algorithm, adjust the connection relationship between a large number of internal nodes, control and dispatch the nodes, and then conduct integrated training through federal learning to dispatch the computing power of the overall network, so as to achieve fast and accurate algorithm dispatch. Then, under the same environment conditions, the simulation experiments of deep neural network and random forest algorithm are compared. A large number of simulation results show that the system can effectively assist the smart grid in reasonable algorithm dispatch and improve the resource utilization efficiency. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Energy utilization

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Research on the Deployment and Application of SPN Technology in the Field of Electric Power Communication

Research on the Deployment and Application of SPN Technology...

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2023 international conference on Internet of Things, Robotics and distributed computing, ICIRDC 2023

作者： Zhang, Hao Guan, Ti Sun, Gang Liu, Yuanlong Han, Song Lu, Tianran Economic&Technology Research Institute State Grid Shandong Electric Power Company Jinan China State Grid Shandong Electric Power Company Jinan China State Nuclear Electric Power Planning Design & Research Institute Co. Ltd. Beijing China

ISBN: (纸本)9798350375275

State grid Corporation of China will establish "a leading international energy internet enterprise with Chinese characteristics" as its strategic goal to lead the company's long-term development. The basic role of power communication networks in supporting power grid production control business, management information business, and emerging internet business is increasingly prominent. In this situation, the demand for electricity business will be concentrated on the following trends. The first is to achieve the goal of "carbon peak and carbon neutrality". The second is the rapid transformation of business towards IP grouping and broadband. Thirdly, the dual network structure of the scheduling data network is constantly improving, and the bandwidth is further upgraded. Fourthly, the power grid requires a city county integrated and flat structure for communication transmission networks. The rapid development of the power industry strongly supports the stable and orderly development of the economy and society. However, at the same time, deep-seated contradictions such as low overall efficiency of the power system, insufficient coordination between source and network loads, and insufficient complementarity and mutual assistance among various power sources are becoming increasingly prominent, and there is an urgent need for overall optimization. With the development of sources, networks, loads, and storage, communication requirements and business types exhibit diversity, complexity, and unknownness. Therefore, this article takes a certain city as an example to study the deployment and application of the next generation transmission network technology SPN system in the field of power communication. This study provides research and engineering basis for building moderately advanced power communication networks and meeting future diversified business carrying needs in advance. © 2023 IEEE.

关键词： Electric power transmission networks

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