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检索条件"机构=Automation and Control Design Research Center"

共 58 条记录，以下是11-20 订阅

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Analysis of Fault Characteristics of AC Transmission Line in Offshore Wind Farm

Analysis of Fault Characteristics of AC Transmission Line in...

引用

Asia Conference on Energy and Environment Engineering (ACEEE)

作者： Teng Feng ZhiHong Xiao Changbin Hu Liuming Jing Automation and Control Design Research Center State Grid Economic and Technological Research Institute Co. Ltd. Beijing China Beijing Power Electronics and Electrical Drives Engineering Research Center North China University of Technology Beijing China

ISBN: (数字)9798350350241

ISBN: (纸本)9798350350258

The basic working principle and topology of offshore wind power transmission system are introduced, and the negative sequence suppression control strategy and low-voltage ride-through control strategy are analyzed. Combined with the AC side fault ride-through control objective, the analytical expression method of converter short-circuit current is proposed, the fault sequence network of single-phase ground fault and inter-phase fault is established, and the fault characteristics of the AC converging line is analyzed, and the simulation results show that the flexible DC converter and the wind farm provide short-circuit currents, and the short-circuit currents show amplitude-limited characteristics.

关键词： Power transmission lines Network topology Short-circuit currents Simulation Wind farms Power system stability Wind power generation

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An Improved Distance Protection Method For Positive Sequence Voltage Polarization Based On Offset Angle

An Improved Distance Protection Method For Positive Sequence...

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Energy, Power and Electrical Engineering (EPEE), International Conference on

作者： Teng Feng Liu Han Changbin Hu Liuming Jing Automation and Control Design Research Center State Grid Economic and Technological Research Institute Co. Ltd. Beijing China Beijing Power Electronics and Electrical Drives Engineering Research Center North China University of Technology Beijing China

ISBN: (数字)9798331518066

ISBN: (纸本)9798331518073

Power electronic converters are used at both ends of 220 kV alternating current (AC) lines in offshore wind farms, and their fault characteristics are greatly affected by the converters, and there is a risk of incorrect action when traditional distance protection is applied to AC lines of flexible direct current (DC) delivery systems. To address this problem, the low voltage ride-through control strategy of the grid-side converter is introduced, and its influence on the action characteristics of distance protection based on positive sequence voltage polarization is analyzed. On this basis, an improved distance protection method is proposed to adjust the distance protection action range by using the offset angle to ensure the correct action of the distance protection, and the effectiveness of the proposed method is verified by the PSCAD/EMTDC simulation test results.

关键词： Electrical engineering Low voltage Wind farms Power system stability Power electronics Impedance Protection Voltage control Relays

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Cooperative Adaptive control of Multiple High-speed Trains with Constrained Input via Learning Signal Trammeling 41

Cooperative Adaptive Control of Multiple High-speed Trains w...

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第41届中国控制会议

作者： Yu'nan Yang Shigen Gao Hairong Dong Wei Zheng Fei Hao Qing Li State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University National Research Center of Railway Safety Assessment Beijing Jiaotong University School of Automation Science and Electrical Engineering Beihang University CRSC Research & Design Institute Group Co. Ltd.

ISBN: (数字)9789887581536

ISBN: (纸本)9781665482561

This paper develops a learning signal trammeling based cooperative adaptive control for multiple high-speed trains in the presence of constrained input *** adaptive parameter identification to deal with unknown running resistances,an adaptive control is *** signal trammeling is investigated to guaranteed the closed-loop stability in the presence of constrained *** the proposed control,the closed-loop stability and boundedness of resulting closed-loop signals are ensured by Lyapunov stability *** boundaries of both position and speed tracking errors are obtained,characterizing by control *** simulation examples are given to verify the effectiveness of proposed control.

关键词： High-speed train control adaptive control input saturation parameter estimation

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research on Construction Scheme of New Generation Centralized control Station Intelligent Monitoring System 3

Research on Construction Scheme of New Generation Centralize...

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3rd International Conference on Energy Engineering and Power Systems, EEPS 2023

作者： Tian, Yuzhou Liu, Ying Xiao, Zhihong Wang, Ziqi Geng, Yan Zhao, Dongtian State Grid Economic and Technological Research Institute CO. Ltd. Automation and Control Design Research Center Beijing China Yingda Media Investment Group Company LTD. China Electric Power Press Beijing China Datang Foshan Thermal Power CO. Ltd. Equipment Maintenance Department Foshan China

ISBN: (纸本)9798350313857

Based on the problems of isolated data resources, incomplete equipment monitoring and insufficient digital support means in the substation service of current power grid, through the research on the demands of the new generation centralized control station, the technical principles of overall architecture is taken as the starting point. Moreover, hardware and software ararchitecture is studyed. In addition, the key technologies of the new generation of centralized control station intelligent monitoring system are analysed. Finally, the typical construction scheme of the new generation centralized control station intelligent monitoring system is proposed, which provides reference for the power company in the process of promoting the construction of the new generation centralized control station. © 2023 IEEE.

关键词： Electric substations

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An Aeromagnetic Compensation Algorithm Based on Broad Learning System

An Aeromagnetic Compensation Algorithm Based on Broad Learni...

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Robotics, Artificial Intelligence and Intelligent control (RAIIC), International Conference on

作者： Qilong Wang Junlei Song Chao Zuo Kaifeng Dong Fang Jin School of Automation China University of Geosciences Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Engineering Research Center of Intelligent Technology for Geo- Exploration Ministry of Education Wuhan China Wuhan Second Ship Design and Research Institute Wuhan China

ISBN: (数字)9798350352627

ISBN: (纸本)9798350352634

Aeromagnetic surveys, renowned for their operational flexibility and high efficiency, serve as a crucial technique for measuring the geomagnetic field. However, aeromagnetic surveys are easily affected by magnetic interference from navigation platforms, making the compensation of aeromagnetic interference a crucial step in the measurement process. To address the inadequate consideration of nonlinear magnetic field interference in traditional compensation algorithms, this paper introduces an aeromagnetic compensation approach based on broad learning system. The broad learning system employs an incremental learning mechanism aimed at enhancing the precision of the network alongside the increase in nodes. With each expansion of the network node, computation is streamlined to calculating the pseudo-inverse of the expansion node, eliminating the necessity for retraining the entire network structure. Leveraging the nonlinear fitting characteristics of the broad learning system, this paper improves the accuracy of aeromagnetic interference compensation. Through UAV flight experiments, the broad learning system is compared with methodologies using particle swarm optimization (PSO) and BP neural network. Compared with PSO, training time was reduced by $21.3 \%$ and magnetic interference by $33.6 \%$. Compared with BP neural networks, training time was reduced by $34.9 \%$ and magnetic interference by $28.6 \%$. This paper provides references and ideas for the selection of aeromagnetic interference compensation algorithms.

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Service-Driven Data Management Framework for Electric Power Sensor Networks 3

Service-Driven Data Management Framework for Electric Power ...

引用

3rd IEEE International Conference on Communications, Information System and Computer Engineering, CISCE 2021

作者： Wang, Ziqi Liu, Ying Wang, Yudong Song, Kexuan Automation Control Design Research Center State Grid Economic and Technological Research Institute Beijing China School of Electrical Engineering Zhejiang University Zhejiang China

ISBN: (纸本)9780738112152

This paper proposes a service-driven data management framework for electric power sensor networks. This proposed model has the following advantages: lower communication congestion risk, lower cloud center burden, better privacy protection, and more economical investment solutions. Subsequently, this paper analyzes the types of services that can sink to the edge in the typical services scenarios of power transmission, transformation, and distribution. We also present the cloud-edge-end collaborative data management hierarchical structure and data stream characteristics of typical service types. Finally, we use three typical scenarios as examples to illustrate the effectiveness of the cloud-edge-end collaborative data management framework proposed in this paper. © 2021 IEEE.

关键词： Information management

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Finite-Time Synchronization of Flux-controlled Complex-Valued Memristive Neural Networks

Finite-Time Synchronization of Flux-Controlled Complex-Value...

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Neuromorphic Computing (ICNC), International Conference on

作者： Yonghuan Wang Leimin Wang Genping Wu School of Automation China University of Geosciences Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Engineering Research Center of Intelligent Technology for Geo-Exploration Ministry of Education Wuhan China Wuhan Second Ship Design and Research Institute Wuhan China

In this paper, by using the flux-controlled memristor model, the finite-time synchronization problem of delayed complex-valued memristive neural networks (MCNNs) is studied. Firstly, according to the proposed memristor model, we model the MCNNs as continuous systems on voltage-flux-time $(\wp, \varpi, t)$ domain. Then, we design a class of approaches to realize state synchronization between the drive and response systems, and the corresponding synchronization conditions are achieved. Finally, the effectiveness of results is illustrated with the simulations.

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Modeling Method and Simulation Analysis of Smart Substation Protection Scheme Based at OPNET Process Level

Modeling Method and Simulation Analysis of Smart Substation ...

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2021 IEEE Sustainable Power and Energy Conference, iSPEC 2021

作者： Feng, Teng Han, Liu Xiao, Zhihong Lu, Jialiang Yang, Shenghui He, Ruiwen State Grid Economic and Technological Research Institute Co. Ltd. Automation and Control Design Research Center Beijing China Guangdong University of Technology Dept. of Electrical Engineering Guangzhou China

ISBN: (纸本)9781665414395

Process layer network and its intelligent electronic devices (IED) are the basic equipments that constitute the relay protection in smart substation. In order to further achieve the standardization and accuracy of the process layer relay protection, a method of constructing the protection scheme based on the OPNET process level is proposed. Based on Standard IEC 61850, logic transition modeling of IED application layer at process level is achieved, and the simulation of the whole protection scheme including data acquisition by electronic transformer, operation and decision-making of protection unit and action of intelligent terminal is realized. Combining the examples of protection processes in line bay and transformer bay, the operation mechanism and working principle of the models are explained, the validity and feasibility of the protection scheme are verified. A good simulation analysis tool and platform for engineering applications are provided. © 2021 IEEE.

关键词： Electric power system protection

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The Smart design Method of OPGW Grounding Based on the Multi-Dimensional Evaluation Indicators

The Smart Design Method of OPGW Grounding Based on the Multi...

引用

Energy Systems and Electrical Power (ICESEP), International Conference on

作者： Qi Wei Guangxiang Jin Yong Wei Xianchun Wang Huifeng Yang Research Center for Automation and Control Design State Grid Economic and Technological Research Institute CO. LTD. Beijing China State Grid Hebei Information & Telecommunication Branch Shijiazhuang China State Grid Hengshui Electric Power Supply Company Hengshui China

ISBN: (数字)9798350353563

ISBN: (纸本)9798350353570

With the advancement of the dual carbon goals and the construction of the new-type power system, the functional demands and the quality requirements for OPGW (optical fiber composite overhead ground wire) are gradually enhancing. Especially with the frequent ice disaster caused by the extreme weather, more economic and more scientific design method for the OPGW grounding is required for different situations. A smart design method of OPGW grounding mode based on the multi-dimentional evaluation indicators is proposed. The evaluation indicator and the optimization algorithm are the cores. We propose a new economic analysis model with the cost of the electric energy loss for OPGW grounding and eleven technical indicators. The method proposed is to realize the refinement of the OPGW grounding design. The simulation results show that base-by-base grounding is more economical than the sectional insulation grounding of OPGW in 220kV line.

关键词： Insulation Accuracy Grounding design methodology Ultraviolet sources Simulation Power systems

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Preassigned-Time Synchronization of Memristive Chaotic Circuit via Intermittent control

Preassigned-Time Synchronization of Memristive Chaotic Circu...

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Neuromorphic Computing (ICNC), International Conference on

作者： Qiming Wang Leimin Wang Genping Wu School of Automation China University of Geosciences Wuhan China Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan China Engineering Research Center of Intelligent Technology for Geo-Exploration Ministry of Education Wuhan China Wuhan Second Ship Design and Research Institute Wuhan China

In this paper, the preassigned-time synchronization (PTS) problem for a fifth-order memristive chaotic circuit (MCC) is investigated by designing a time-dependent intermittent controller. First, the dynamic characteristics of the MCC, especially the existence and occurrence of chaos, are investigated by simulation experiments. Besides, the stability of the equilibrium points is discussed by using Routh-Hurwitz criterion. Then, a time-dependent intermittent controller is designed and the PTS of MCC is realized via the presented controller. Finally, the effectiveness of theoretical results is verified by means of numerical simulations.

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