2021 China International Conference on Electricity Distribution (CICED)最新文献_第2页

Coordination and Consumption Method of Multi-regional Interconnected Power System with Wind Power 风电多区域互联电力系统的协调与消纳方法

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556738

Jingru Yan, J. Zhu, Ran Li, Tianying Chen, Xueqing Zhou, Ze Li

{"title":"Coordination and Consumption Method of Multi-regional Interconnected Power System with Wind Power","authors":"Jingru Yan, J. Zhu, Ran Li, Tianying Chen, Xueqing Zhou, Ze Li","doi":"10.1109/CICED50259.2021.9556738","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556738","url":null,"abstract":"New energy which is low-cost, clean and environmentally-friendly has been widely used due to the rapid increase of energy demand and environmental pollution caused by traditional fossil energy. However, the volatility, randomness and intermittence of distributed energy bring great challenges to the power system. This paper proposed a multi-scenarios decentralized coordination method of multi-regional interconnected power system with wind power, which can achieve the purpose of multi-regional coordinated consumption of wind power in the power grid. Firstly, the economic dispatch model of certain scenario under wind power forecasting scenario was established, and the analytical target cascading method was used for decentralized coordination and optimization of the model. Secondly, to modify and optimize the the economic dispatch model of certain scenario, the uncertain scenarios of wind power were generated by multi-scenarios method, which formed the economic dispatch model of error scenarios. Finally, the optimal generation scheduling scheme of the power network was calculated by the cyclic iteration of decentralized coordination optimization and error correction optimization. The example results showed that proposed coordination and consumption method of multi-regional interconnected power system with wind power can solve the problems of uncertainty of wind power and the large-scale wind power consumption effectively.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128943653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Integrated Reliability Analysis of Power Distribution Network and Urban Road Network 配电网与城市路网综合可靠性分析

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556802

Jia-jia Huan, Yong Xiao, Xiao-hui Zhang, Hong Liu, Xingtang He, Wensheng Lu

引用次数: 2

Real-time line loss calculation method based on equivalent resistance of low voltage distribution network 基于低压配电网等效电阻的实时线损计算方法

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556687

Wei Hu, Qiuting Guo, Yue Liu, Weiheng Wang, Yanlun Wang, Shuhong Song

{"title":"Real-time line loss calculation method based on equivalent resistance of low voltage distribution network","authors":"Wei Hu, Qiuting Guo, Yue Liu, Weiheng Wang, Yanlun Wang, Shuhong Song","doi":"10.1109/CICED50259.2021.9556687","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556687","url":null,"abstract":"Due to the imperfect construction planning of low-voltage distribution network in the early stage and the line cutting for balanced load distribution in operation, the recorded information of topological relationship between stations and households is inconsistent with the reality, which brings great difficulties to the calculation of theoretical line loss of distribution stations. In this paper, a method of calculating the real time line loss based on equivalent resistance of distribution network is presented, and a set of equations about the resistance parameters of low voltage distribution network is established. The total least square method is used to solve the problem and the equivalent resistance of distribution network is obtained. Then the cluster method is used to realize the accurate identification of impedance parameters, and the line loss of the distribution transformer area changes with the user’s electricity situation in real time, which helps the power supply company to screen the abnormal condition of line loss. Finally, the time series data collected by the smart meter in the actual power grid is verified, and the intraday real-time line loss curve of the distribution transformer area is obtained. The proposed method does not depend on the topology structure of distribution network, and can be used to calculate the actual line loss of low-voltage station according to the measurement data, which has higher effectiveness and feasibility.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131186500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Difference study on European and American standards for separable connector 欧美可分离连接器标准的差异研究

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556713

Maokun Zhou, Zhousheng Zhang, Ya Wang, Enze Shen, Yunkun Deng

引用次数: 0

The Fast Simulation Architecture Construction for Integrated Electric Transmission and Distribution Power Grid Based On Big Data Platform 基于大数据平台的输配电网综合快速仿真体系结构构建

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556785

Zhihong Li, Zhenyu Chen, Xingyu Gao, Shaofang Wang, Fangchun Di, Ruili Ye

{"title":"The Fast Simulation Architecture Construction for Integrated Electric Transmission and Distribution Power Grid Based On Big Data Platform","authors":"Zhihong Li, Zhenyu Chen, Xingyu Gao, Shaofang Wang, Fangchun Di, Ruili Ye","doi":"10.1109/CICED50259.2021.9556785","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556785","url":null,"abstract":"This paper studies constructing methods and key technologies of the fast simulation architecture for integrated electric transmission and distribution power grid based on big data platform, aiming at the problems about difficult communication, poor collaboration, low reusability of services and applications, and time-consuming preparation in the fast integrated simulation system. Specifically, this paper focuses on the creation technology of simulating scenarios, the design of dispatcher storage system for distributed tasks, the management of service based on micro service framework, and the simulation data mart, etc. Besides, a business flow and data flow of fast simulation are realized. Comparing with the traditional DTS process, this method makes full use of simulation resource, also improves the speed and quality of simulation process and achieves a better human-computer interaction experience. In addition, this method enables the reusability for services and applications. The feasibility and effectiveness is validated.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133113802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Influence of matching size of detachable connector and bushing on insulation performance 可拆卸连接器与套管匹配尺寸对绝缘性能的影响

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556821

Yunkun Deng, Maokun Zhou, Xueyuan Li, Zhousheng Zhang, Ya Wang, Enze Shen

{"title":"Influence of matching size of detachable connector and bushing on insulation performance","authors":"Yunkun Deng, Maokun Zhou, Xueyuan Li, Zhousheng Zhang, Ya Wang, Enze Shen","doi":"10.1109/CICED50259.2021.9556821","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556821","url":null,"abstract":"In this paper, two-dimensional axisymmetric modeling is used to simulate the electric field distribution of separable connector and bushing under different matching sizes, and the reasonable structural optimization design scheme and installation fit size are given. The size and position of the internal shielding of the bushing have different effects on the electric field distribution after assembly. By studying the typical structures of several separable connectors and bushings for 12kV switchgear, the electric field under different matching sizes and shielding modes is simulated and analyzed. On this basis, the discharge probability coefficient α is introduced to judge the position where the discharge occurs first. The results show that: for the structure optimization of the detachable connector and the bushing, the shielding position of the two affects the electric field distribution. The metal mesh is embedded in the epoxy resin as a shield, and the distance between the end of the shielding net and the taper end of the sleeve is reduced, the step size of the detachable connector matched with the bushing is increased, and separable connectors are shielded by step part all semiconductor. It can play the role of uniform electric field.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131880697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design and Application of On-line Monitoring System for Hybrid HVDC Circuit Breaker 混合直流断路器在线监测系统的设计与应用

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556710

Cao Nan, Shi Xiuping, Deng Chun, Liu Kuanhong, Cai Wei, Liu Tianqi, Hu Yuanchao, Liu Tie

引用次数: 0

Fitting and simulation of characteristic curve of micro gas turbine compressor 微型燃气轮机压缩机特性曲线的拟合与仿真

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556667

Yingkun Liu, Fei Chen, Min Cao, Siyang Liu

引用次数: 0

Research on Optimizing the Stability of Impulse Voltage Calibrator used in Traceability 用于追溯的脉冲电压校准器稳定性优化研究

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556782

Wenting Li, Z. Long, J. Fan, K. Hu, Shaobo Liu, Ming Li

引用次数: 2

Research on Economic Operation Strategy of AC / DC Hybrid Distribution Network Based on Power Electronic Transformer 基于电力电子变压器的交直流混合配电网经济运行策略研究

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556808

Yi Wenfei, Yuan Yubo, Bu Qiangsheng

{"title":"Research on Economic Operation Strategy of AC / DC Hybrid Distribution Network Based on Power Electronic Transformer","authors":"Yi Wenfei, Yuan Yubo, Bu Qiangsheng","doi":"10.1109/CICED50259.2021.9556808","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556808","url":null,"abstract":"Multi-port Power Electronic Transformer (PET) can establish a flexible power circulation path in the AC/DC hybrid power distribution network to achieve inter-regional energy interconnection and mutual support. This paper proposes an economic operation strategy of AC/DC hybrid distribution network based on multi-port PET. Firstly, based on the typical topology of the AC/DC hybrid distribution network, the flexible regulation capability of the AC/DC distribution network including PET is analyzed. Then, according to the physical constraints during the operation of PET, the power flow relationship of each port of multi-port PET is analyzed, and the energy flow model of PET in the hybrid distribution network is established. Finally, taking the lowest operation cost of the AC/DC hybrid distribution network as the objective function, and taking the system power balance, power flow limit violation and equipment operation as constraints, the day-ahead economic operation model of the AC/DC hybrid distribution network is established and a model solving method based on CPLEX solver is proposed. Taking an AC/DC hybrid distribution network demonstration project in a certain area as an example, the day-ahead economic operation model of the demonstration project is established and solved. The calculation results show that the proposed PET-based AC / DC hybrid distribution network economic operation strategy can effectively reduce the system operation cost and increase the level of renewable energy accommodation.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114644008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2