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检索条件"任意字段=3rd IEEE International Conference on e-Science and Grid Computing"

共 7528 条记录，以下是141-150 订阅

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Resilience-driven Hardening Strategies for Cyber-physical Systems considering energy-control Dependence 3

Resilience-driven Hardening Strategies for Cyber-physical Sy...

引用

3rd international conference on energy and electrical Power Systems (ICeePS)

作者： Sun, Nuoling Wu, Guilian Chen, Hao Qin, Chao Lu, Jiani State Grid Fujian Elect Power Co Ltd Econ & Technol Res Inst Fuzhou 350011 Fujian Peoples R China Tianjin Univ Key Lab Smart Grid Minist Educ Tianjin 300072 Peoples R China

ISBN: (纸本)9798350375145;9798350375138

Line hardening plays an important role in improving the resilience of distribution cyber-physical systems (CPS). However, the formulation of existing hardening schemes ignores the risk of multiple faults caused by cross-domain disasters, which may reduce the applicability of hardening strategies. Therefore, a hardening model which considers the interdependence of a distribution CPS is proposed. First, the control-energy coupling of cyber nodes and distribution components is modeled. Second, based on virtual flow theory, an availability judgment model of cyber nodes is constructed. Then, with the aim of minimizing the line hardening cost and the load shedding cost, a two-stage hardening model combining pre-disaster hardening and post-disaster recovery is established. Finally, the effectiveness of proposed method is verified on the modified ieee 33-node system.

关键词： line hardening coupling characteristics extreme disasters cyber-physical system

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Frequency Control Strategy of Aggregator Based on New Load Baseline 3

Frequency Control Strategy of Aggregator Based on New Load B...

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3rd international conference on energy, Power and electrical Technology, ICePeT 2024

作者： Ma, Jinhui Xu, Lianjie Wang, Song Chen, Lu Chu, Bei State Grid AnHui Electric Power Co. Ltd. Hefei China State Grid Anhui Electric Power Co. Ltd. Hefei Power Supply Company Hefei China State Grid Anhui Comprehensive Energy Service Co. Ltd. Hefei China

ISBN: (纸本)9798350352658

With the extensive integration of flexible loads such as electric vehicles and temperature-controlled loads, new challenges and opportunities have been presented for power grid scheduling. This article proposes a control strategy for adjustable loads participating in power grid frequency regulation based on a new load baseline for load aggregators that aggregate various adjustable resources. A new load baseline was constructed that takes into account factors such as user satisfaction. Based on this, an adjustable load participation frequency modulation implementation scheme based on the new load baseline was proposed. The effectiveness and feasibility of the method described in this paper were verified by analyzing the ieee 24 node system as an example. © 2024 ieee.

关键词： Frequency modulation

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Lightweight Blockchain-based Identity Authentication Scheme for Power Terminal 3

Lightweight Blockchain-based Identity Authentication Scheme ...

引用

3rd international conference on electrical engineering and Control science, IC2eCS 2023

作者： Chen, Lu Zhang, Tao Ma, Yuanyuan Dai, Zaojian State Grid Smart Grid Research Institute Co. Ltd Nanjing210003 China State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Nanjing210003 China

ISBN: (纸本)9798350382426

In recent years, the construction of the power Internet of Things continues to advance, and the number of power terminal equipment is growing. However, the computing power and storage capacity of these terminal devices are limited, and the current blockchain-based identity authentication scheme has high requirements for computing and storage resources, limiting the participation of power terminal equipment with weak computing power and small storage space. Aiming at the problem that resource-limited power terminal equipment cannot join the blockchain, a lightweight consensus algorithm for power terminals is proposed, and a power terminal authentication scheme based on the lightweight consensus algorithm is designed to make up for the defect that resource-limited power terminal equipment does not support the use of blockchain. The security analysis shows that the scheme can effectively resist many kinds of network attacks and meet the security requirements of power terminal equipment. Performance analysis shows that the scheme has low computation cost and conforms to the principle of lightweight. © 2023 ieee.

关键词： Blockchain Identity Authentication Power Terminal

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Design of a Fractional Order 2-DoF-PID Controller for Frequency Control in a Multi-Area Stand Alone Micro-grid 3

Design of a Fractional Order 2-DoF-PID Controller for Freque...

引用

3rd Odisha international conference on electrical Power engineering, Communication and computing Technology, ODICON 2024

作者： Jena, Narendra Kumar Sahoo, Subhadra Kasturi, Kumari Sahu, Binod Kumar Iter Soa University Department of Electrical Engineering Odisha Bhubaneswar India

ISBN: (纸本)9798350354379

In a stand-alone micro-grid (MG), frequency control is a very hard task. Due to the incessant fluctuation of power of the renewable energy sources (ReSs), the gap between the demand and generation is precarious which forces the system frequency to oscillate. In addition to this, lack of inertia in the system, the frequency deviates from its nominal value. To address this issue a secondary controller is necessary. In this work, a 2-area stand- alone system has been taken and a two-degrees of freedom (2-DoF) PID controller has been coordinated to perform effectively for load frequency control (LFC). To enhance the response, a fractional 2-DoF-PID (2-DoF-FOPID) controller has been integrated. The design of this controller WGA technique has been applied. From the performance, the robustness of the 2-DoF-FOPID controller has been achieved due to the proper design of the controller endorsing WGA technique. © 2024 ieee.

关键词： Three term control systems

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Data Processing Optimization of Power grid Dispatching Control Cloud Based on edge-Cloud Collaborative computing 3

Data Processing Optimization of Power Grid Dispatching Contr...

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3rd ieee international conference on Power, electronics and Computer Applications, ICPeCA 2023

作者： Sheng, Lei Wang, Chunying Liu, Yan Zhang, Ningning Wang, Zhaohe State Grid Henan Electric Power Company Information & Telecommunication Company Zhengzhou China

ISBN: (纸本)9781665472784

Cloud computing technology is widely used in power grid systems. In response to the data with strict delay requirements and a large amount of data generated by the operation of the power grid system. New challenges are raised to the delay of business processing. In order to achieve the goal of minimizing the system average latency time of task processing, based on the power grid dispatching cloud architecture, a delay optimization method based on SDN edge-cloud collaborative computing is proposed. The goal is to minimize the system average delay of task processing. Introduce continuously variable edge and cloud and task distribution coefficients. The delay optimization problem is transformed into the task allocation coefficient optimization problem. And finally get the task allocation optimization strategy based on the model calculation. The experimental results show that when the edge node tasks are reasonably loaded into the cloud center for processing, the system delay of the business can be effectively reduced. Compared with the previous methods, the edge-cloud collaborative computing method proposed in this paper reduces the system delay and utilizes the control mechanism of SDN that can coordinate cloud computing and edge computing. The algorithm can be used in the power system cloud platform system based on SDN. © 2023 ieee.

关键词： edge computing

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Analysis of Parallel Current Sharing Status of Silicon Carbide MOSFeTs Based on a Multi-Chip Parallel Model 3

Analysis of Parallel Current Sharing Status of Silicon Carbi...

引用

3rd international conference on energy and electrical Power Systems (ICeePS)

作者： Liu, Yinghan Sun, Shuai Yang, Fei State Grid Smart Grid Res Inst Co Ltd State Key Lab Adv Power Transmiss Technol Beijing Peoples R China

ISBN: (纸本)9798350375145;9798350375138

Silicon carbide (SiC) devices possess advantages such as high frequency, high efficiency, and high power density. To enhance device capacity, welded SiC MOSFeTs employ a multi-chip parallel packaging format. However, due to variations in chip parameters and packaging parasitic parameters, the current distribution among multi-chip parallel MOSFeTs is not entirely uniform. This article models and analyzes a self-developed 6500V/400A SiC MOSFeT device. Firstly, a multi-chip parallel device model including internal parasitic parameters is established. Secondly, the device model is calibrated. Finally, a switching circuit with inductive load is built using simulation software to comparatively analyze the impact of auxiliary source lead inductance and source inductance on the parallel current sharing of the multi-chip device. The research results provide reference for device packaging design.

关键词： silicon carbide MOSFeT multi-chip parallel modeling parallel current sharing

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Agri-Ontology: A Novel Ontology Framework for Agricultural Domain 3

Agri-Ontology: A Novel Ontology Framework for Agricultural D...

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3rd international conference on electronics and Renewable Systems, ICeARS 2025

作者： Deepa, R. Jayaraman, Venkatesh Srinivasulu, Senduru Umamageswari, B. Surendran, R. Srm Institute of Science & Technology School of Computing Department of Computing Technologies Kattankulathur Tamilnadu Chennai603203 India Chennai Institute of Technology Department of Computer Science and Engineering Chennai600069 India Sathyabama Institute of Science and Technology School of Computing Department of Computer Science and Engineering Chennai600119 India Srm Institute of Science & Technology School of Computing Department of Computing Technologies Chennai600119 India Saveetha Institute of Medical and Technical Sciences Saveetha School of Engineering Department of Computer Science and Engineering Chennai India

ISBN: (纸本)9798331509675

The agricultural information system deals with massive amounts of data from heterogeneous sources. It helps the farmers gain accurate information by providing better insights. A significant issue in agricultural data is its unstructured form, which can be resolved through ontology - a novel framework known as AgriOntology is proposed to address this issue for the Agrovoc dataset. The data in the unstructured form is initially pre-processed through the Natural Language Processing approach to generate features for ontology construction. The BeRT and Jaccard similarity are applied to establish a relationship between the features used to construct the Agri-Ontology. Post ontology construction, the BiGAN framework is used to analyze the performance. The performance of the constructed ontology is observed to have an accuracy of 94.64%, which is higher than the existing models. © 2025 ieee.

关键词： Data assimilation

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Transient Overvoltage Analysis and Suppression control for Hydro-Photovoltaic Transmission System with grid-Forming VSC-HVDC 3

Transient Overvoltage Analysis and Suppression control for H...

引用

3rd international conference on energy and electrical Power Systems (ICeePS)

作者： Gong, Hancheng Guan, Lin Zhou, Baorong Zhang, Ye Tang, Wangqianyun South China Univ Technol Sch Elect Power Guangzhou Peoples R China China Southern Power Grid Elect Power Res Inst Guangzhou Peoples R China

ISBN: (纸本)9798350375145;9798350375138

Transmission of large-scale new energy power to load centers via voltage source convert (VSC) based high voltage direct current (HVDC) is a crucial technical solution for exporting power from renewable energy base in regions such as deserts, Gobi and desert areas. However, when an alternating current (AC) short-circuit fault occurs in the sending system, a large amount of power surplus will be generated at the sending end due to the factors such as weak local power grid and the limitation of HVDC equipment, resulting in serious transient overvoltage. This paper studies the transient voltage characteristics of the Hydro-PV bundled transmission system through grid-forming VSC-HVDC. Then a transient coordination control strategy is designed for the new energy station and the VSC-HVDC to control the transient overvoltage level after AC short-circuit fault. By improving the fault ride-through control of new energy stations and converter stations, the transient voltage characteristics of the sending-end system are optimized. effectiveness of the proposed control strategy is verified through simulations on the PSCAD/eMTDC platform.

关键词： transient overvoltage grid-forming control VSC-HVDC

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Research on electricity Consumption Characteristic Analysis and Load Identification Method Based on Symmetrized Dot Pattern Information Fusion 3

Research on Electricity Consumption Characteristic Analysis ...

引用

3rd international conference on energy and electrical Power Systems (ICeePS)

作者： Li, Le Liu, Zhiyuan Han, Hao Li, Chaoran Liu, Nan Zhu, Xiaoxun State Grid Beijing Daxing Elect Power Supply Co Sales Dept Beijing Peoples R China North China Elect Power Univ Dept Power Engn Baoding Peoples R China

ISBN: (纸本)9798350375145;9798350375138

Based on multi-label load identification, power load feature analysis and intelligent identification method based on Symmetrized Dot Pattern (SDP) information fusion. This method improves the decomposition efficiency and solves the problem of large reconstruction error;proposes the method of SDP fusion feature analysis, extracts the SDP image feature of each modal information of the load, improves the completeness of the information;proposes the SDP image recognition method based on YOLOv5 and builds on load intelligent recognition model. Through experimental research, the load identification accuracy of this method reached 98%, which ensured the level of non-invasive load monitoring.

关键词： load identification complementary ensemble mode decomposition symmetrized dot pattern YOLOv5 fusion features

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A Study on the effect of grid Impedance on the Performance of a Virtual Synchronous Generator 3

A Study on the Effect of Grid Impedance on the Performance o...

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3rd international conference on Advances in electrical, computing, Communication and Sustainable Technologies, ICAeCT 2023

作者： Salim, Amjatha Arun, L. TKM College of Engineering Dept. of EEE Kollam India

ISBN: (纸本)9781665494007

A Voltage Source Inverter (VSI) is widely used to interface distributed generating sources to AC grid. In a grid connected VSI, the active and reactive powers injected to the grid are controlled. The control dynamics of a synchronous machine may be mimicked to control the active power injection by a VSI, resulting in a Virtual Synchronous Machine(VSM) operation. Here the reactive power injection is controlled using a simple PI controller. This paper evaluates the performance of a virtual synchronous machine in a weak grid. Simulation results show that the virtual synchronous machine is able to track the active and reactive power references when the grid impedance is less. It is observed that when the distributed generator is far away from the grid, the effective grid impedance seen by the VSM will be larger and it adversely affects the performance of conventional VSM. © 2023 ieee.

关键词： Synchronous generators

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