检索结果-内蒙古大学图书馆

2nd Big Data Analytics for Cyber-Physical system in Smart City, BDCPS 2020

作者： Liu, Dong Huang, Yunhao Wang, Jiaqi Xia, Wenyue Li, Dapeng Feng, Qiong Beijing Key Laboratory of Research and System Evaluation of Power Dispatching Automation Technology State Key Laboratory of Power Grid Security and Energy Saving China Electric Power Research Institute Haidian District Beijing100192 China

ISBN: (纸本)9789813345737

With the continuous advancement of dispatching and control cloud, traditional platform systems and virtualization technologies have been well supported in resource scheduling, flexible scaling, rapid migration deployment, the future availability and maintainability of these business systems will face enormous challenges. The rapid development of Docker container technology has solved the shortcomings of traditional PaaS platform based on virtual machine. In this paper, Docker container technology is used to build PaaS platform services of dispatching and control cloud. Through the analysis and verification of the flexible scaling, resource scheduling, container response and other performance aspects of the container, the experiment shows that the Docker-based PaaS platform has a good effect in the rational scheduling, rapid response and flexible scaling of resources. © 2021, The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Containers

来源：评论

学校读者我要写书评

暂无评论

Application of Container Image Repository technology in Automatic Operation and Maintenance of the Dispatching and Control Cloud 2nd

Application of Container Image Repository Technology in Auto...

引用

2nd Big Data Analytics for Cyber-Physical system in Smart City, BDCPS 2020

作者： Tao, Lei Huang, Yunhao Liu, Dong Ma, Xinxin Wu, Shuzhou Cui, Can Beijing Key Laboratory of Research and System Evaluation of Power Dispatching Automation Technology State Key Laboratory of Power Grid Security and Energy Saving China Electric Power Research Institute Haidian District Beijing100192 China

ISBN: (纸本)9789813345737

With the continuous development of the container technology, the scale of the dispatching and control cloud built by it is expanding continuously. At the same time, the application portability of cloud platform based on virtualization is poor, the man-made operation and maintenance mode of the dispatching and control cloud is inefficient and the error rate is high. It is difficult to guarantee the safe and high-quality operation of power grid and the lean and efficient operation of the dispatching management. Using container technology to containerize cloud platform applications and relying on the Continuous Integration and Continuous Deployment (CI/CD) platform which can achieve efficient and accurate maintenance of the dispatching and control cloud. In this paper, the CI/CD platform which consists of the Jenkins,Kubernetes and Docker is introduced to complete the operation and maintenance tasks of the dispatching and control cloud,such as automatically agile construction, automatic publishing. Finally, through the analysis of the dispatching and control cloud, it is verified that the results show that the platform has a certain effect in automation construction, publishing efficiency, gray publishing update, operation and maintenance quality. © 2021, The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Integration

来源：评论

学校读者我要写书评

暂无评论

Maintenance Scheduling Optimization for AC-DC Grid Based on Component Status under N-1 Contingencies

Maintenance Scheduling Optimization for AC-DC Grid Based on ...

引用

IEEE Asia power and Energy Engineering Conference (APEEC)

作者： Zhi Cai Jiali Zhang Bin Han Yueshuang Bao Xinyuan Liu Huiping Zheng Beijing Key Laboratory of Research and System Evaluation of Power Dispatching Automation Technology China Electric Power Research Institute Beijing China State Grid Shanxi Electric Power Supply Company Taiyuan China

The joint optimization technology of maintenance scheduling with power outage with long-term unit commitment is a powerful support to the safe operation of AC-DC transmission grid. With respect to the splitting of single-ended component that may happen under the simultaneous action of branch maintenance and N-1 contingencies, this paper adds the in-service/out-of-service status variables of branch, generator, load and DC converter after maintenance and N-1 contingencies on the basis of the 0-1 decision variable of maintenance scheduling and unit commitment, and determines the association relationships between the variables above-mentioned, based on which the optimization model of the AC-DC grid maintenance scheduling is established, and linearizes the 0-1 status variables and non-linear constraints therein, to generate the mixed-integer programming model that is easy to be solved, to realize overall optimization of maintenance and power generation. Simulation is conducted by taking the improved IEEE 39-bus system as an example. The result shows that the proposed model and the algorithm can deal effectively with the load-generation imbalance caused by the component status change, enhance the reasonability and solvability of the maintenance scheduling based on N-1 contingencies, thus to upgrade the security of maintenance scheduling.

关键词： Analytical models systems operation Contingency management Maintenance engineering Generators Scheduling Inverters

来源：评论

学校读者我要写书评

暂无评论

Online Dynamic Black-start Strategy for Multi-power Microgrids Considering Source Output Uncertainty 5

Online Dynamic Black-start Strategy for Multi-power Microgri...

引用

5th International Conference on power and Energy technology, ICPET 2023

作者： Liu, Jiahao Zhang, Li Zhao, Bo Li, Xiangjun Beijing Information Science & Technology University School of Automation Beijing China State Key Laboratory of Contorl and Operation of Renewable Energy and Storage Systems China Electric Power Research Institute Beijing China

ISBN: (纸本)9798350339673

As the variety and number of distributed generation (DG) in microgrid increases, the black start strategy of microgrid becomes more complex. A dynamic black-start strategy for microgrid based on online evaluation of DG black-start capability is proposed by considering the effects of state of charge (SOC) and DG output uncertainty. First, the index system is established from 2 levels of DG's own starting characteristics and surrounding environment characteristics for evaluating the power supply black start capability;Secondly, the assessment value of DG black start capability is calculated online using the combined subjective and objective evaluation method to determine the start sequence of each DG in the corresponding time period;Then, a line recovery mathematical model is established with the objective of shortest recovery path and most important load recovery, and DG active output forecast values are introduced for calculation to update the recovery path and recovery strategy for that time period;Finally, the effectiveness of the strategy was verified in a modified IEEE33 microgrid system. © 2023 IEEE.

关键词： black start strategy energy storage SOC fuzzy integrated evaluation method microgrid online evaluation

来源：评论

学校读者我要写书评

暂无评论

Study on the Modelling Method Based on Testing Data of the Frequency Control Electromechanical Transient Model of Doubly-fed Wind Turbine 12

Study on the Modelling Method Based on Testing Data of the F...

引用

12th International Conference on Renewable power Generation, RPG 2023

作者： Wang, Zehui Peng, Xiaotao He, Jing Li, Shaolin Miao, Fenglin Hubei Key Laboratory of Power Equipment & System Security for Integrated Energy School of Electrical Engineering and Automation Wuhan University China School of Electrical Engineering and Automation Wuhan University China China Electric Power Research Institute Haidian District Beijing China

It is important to study the electromechanical transient model of wind turbine participating in frequency regulation and its modelling method based on testing data to improve the analysis results of frequency regulation response characteristics of wind power grid-connected system. Based on this, this paper investigates the working principle of wind turbine frequency response in PSASP software, considers the principle of electromechanical transient time scale modelling, establishes the transfer function model of doubly-fed wind turbine considering inertia support and frequency response based on pitch angle adjustment, and then establishes the discrimination model for real measured signal modelling by differencing. In view of the multiple input and single output characteristics of the identification model, a model parameter identification method based on the niche particle swarm algorithm is proposed. Finally, the rationality of the proposed electromechanical transient model and the effectiveness of the parameter identification method are verified by using the active frequency disturbance of the improved WSCC-9BUS wind power system. The results of the testing data modelling show that the proposed method can realize the equivalent modelling of the frequency regulation characteristics of the doubly-fed wind turbine. © The Institution of Engineering & technology 2023.

关键词： Wind turbines

来源：评论

学校读者我要写书评

暂无评论

research and Application of Cluster Monitoring and Management technology of The Dispatching and Control Cloud Based on Hybrid Architecture

Research and Application of Cluster Monitoring and Managemen...

引用

IEEE Advanced Information Management,Communicates,Electronic and automation Control Conference (IMCEC)

作者： Shuzhou Wu Yunhao Huang Lei Tao Wenyue Xia Qingbo Yang Yan Wang Zhoujie Zhang Qiong Feng Beijing Key Laboratory of Research and System Evaluation of Power Dispatching Automation Technology Haidian District Beijing China

ISBN: (纸本)9781665479691

With the continuous expansion of the scale of control cloud construction, the application of the platform has gradually increased, and the calling relationship between application containers has become increasingly complex. Ensuring the safety and stability of the control cloud platform has become a key factor in maintaining the normal operation of power dispatching. Therefore, it is urgent to carry out research on monitoring and management technology for lightweight container clusters to regulate cloud platforms. This paper designs the overall architecture of a lightweight container cluster monitoring and management platform with a hybrid structure from the host dimension, container dimension and application dimension. On the premise of ensuring data accuracy, it reduces the proportion of resources in the monitoring system and improves the scalability of monitoring indicators. At the same time, simulation experiments are carried out in terms of index collection performance and dynamic expansion of monitoring indicators. The verification results show that the monitoring scheme based on the hybrid architecture can flexibly and dynamically monitor the cloud platform in real time and ensure the safe and stable operation of the cloud platform.

关键词： Process monitoring Scalability Stability criteria Containers Dispatching Real-time systems Safety

来源：评论

学校读者我要写书评

暂无评论

key Feature Mining Method for power-Cut Window Based on Grey Relational Analysis

Key Feature Mining Method for Power-Cut Window Based on Grey...

引用

IEEE Advanced Information Management,Communicates,Electronic and automation Control Conference (IMCEC)

作者： Fengbin Zhang Xingwei Liu Zechen Wei Jiali Zhang Nan Yang Xuri Song Beijing Key Laboratory of Research and System Evaluation of Power Dispatching Automation Technology (China Electric Power Research Institute) Beijing China

ISBN: (纸本)9781665479691

In the process of compiling the power-cut window period of the power grid equipment maintenance plan, problems such as omission of constraints are prone to occur due to excessive reliance on manual experience. In response to these problems, this paper proposes a method for mining key features of the power-cut window based on grey relational analysis. Through mining and analysis of the historical operation data of the power grid, the operation data of new energy, and the historical power-cut information of equipment, the indicators that play a key role in the arrangement of the outage window period of the equipment maintenance plan are found. Then use the key indicator information to formulate the window period. By mining the relationship between power grid operation data and equipment power outages, this paper can give full play to the big data advantages of the power grid, improve the accuracy and efficiency of the power-cut window period.

关键词： Manuals Maintenance engineering Big Data power grids power system reliability Planning Information management

来源：评论

学校读者我要写书评

暂无评论

Deep Residual Feature Generating Network: A Novel Method for Few-Shot Fault Diagnosis of Chillers 43

Deep Residual Feature Generating Network: A Novel Method for...

引用

43rd Chinese Control Conference, CCC 2024

作者： Jiang, Kexin Gao, Xuejin Gao, Huihui Han, Huayun Yongsheng, Qi Faculty of Information Technology Beijing University of Technology Beijing100124 China Beijing University of Technology Engineering Research Centre of Digital Community Ministry of Education Beijing100124 China Beijing University of Technology Beijing Laboratory for Urban Mass Transit Beijing100124 China Beijing University of Technology Beijing Key Laboratory of Computational Intelligence and Intelligent System Beijing100124 China Inner Mongolia University of Technology School of Electric Power Inner Mongolia Hohhot010051 China

ISBN: (纸本)9789887581581

The scarcity of historical data on fault states is a common phenomenon in the health management of chillers. This phenomenon leads to poor performance of fault diagnosis methods based on deep learning for chillers. Generative Adversarial Network (GAN), a common data augmentation method, is an effective approach to conquer this challenge. However, dynamic coupling characteristics exist in the operational data of chillers. Dynamic characteristics lead to distribution differences in operational data at different times within the same category. The coupling characteristics result in higher inter-class similarity in the operational data. These characteristics pose challenges for GAN-based data augmentation tasks. Therefore, an encoder-decoder-based residual feature extraction method is introduced to enhance inter-class separability while improving intra-class cohesion. Furthermore, a residual feature generating network (DRFGN) is designed to augment the limited historical dataset. In the DRFGN, to address the issue of insufficient distribution paradigm, an extended class characteristic information called latent attributes is introduced. During the training process of DRFGN, latent attributes are introduced as extended discriminative information, allowing the generator to comprehensively learn the class characteristics of real data. Additionally, smooth L1 loss is employed to further enhance the similarity between the synthesized and real data. Finally, a dataset collected from the actual equipment, referred to as HY-31C, is used for the validation of the proposed method. The results indicate satisfactory distribution similarity between the synthesized and real data, benefiting the health management and maintenance decision of the equipment. © 2024 Technical Committee on Control Theory, Chinese Association of automation.

关键词： Cooling systems

来源：评论

学校读者我要写书评

暂无评论

Analysis of Harmonic Characteristics of Magnetic Controllable Transformer 2nd

Analysis of Harmonic Characteristics of Magnetic Controllabl...

引用

Conference Proceedings of 2022 2nd International Joint Conference on Energy, Electrical and power Engineering

作者： Gu, Lingyun Zhou, Feiyan Dong, Wenchao Gao, Wenpeng Dong, Yu Wu, Yan Beijing Key Laboratory of Distribution Transformer Energy-Saving Technology China Electric Power Research Institute Beijing100192 China School of Engineering and Automation Wuhan University Wuhan430072 China

ISBN: (纸本)9789819943333

Magnetically controlled transformer is a new kind of transformer based on core saturation principle, which can not only change voltage but also output reactive power stably. However, high harmonics will be produced in the process of dynamic reactive power output, which seriously affects the power quality of power system. The harmonic generation mechanism of magnetic control transformer is studied and analyzed. It is found that the harmonic content is related to the area and length of magnetic valve. The simulation model of single-stage magnetron reactor is established in Finite element simulation software, the theoretical value of harmonic content of single-stage magnetron transformer primary current is derived, and the Fast Fourier Transformation (FFT) algorithm is used to verify and calculate the harmonic content of transformer primary current. The research results can provide technical reference for the design of magnetic transformer. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Reactive power

来源：评论

学校读者我要写书评

暂无评论

A Fault Screening Method for N-2 Contingency With Line Outage Distribution Factor

引用

Dianwang Jishu/power system technology 2023年 47卷 45-50页

作者： Yu, Yijun Wang, Miao Sun, Bo Geng, Lin Song, Zhibin Zhang, Xiangyu Beijing Key Laboratory of Research and System Evaluation of Power Dispatching Automation Technology China Electric Power Research Institute Haidian District Beijing100192 China North China Branch of State Grid Corporation of China Xicheng District Beijing100053 China State Grid Shanxi Economic Research Institute Shanxi Province Taiyuan030002 China

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：