2021 China International Conference on Electricity Distribution (CICED)最新文献_第6页

1 Market mechanism design and operation practice of thermal power reserve capacity in Yunnan Province (CICED 2020) 1云南省火电备用容量市场机制设计与运行实践(CICED 2020)

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/ciced50259.2021.9556765

Peiheng Duan, Minghui Yan, Dianning Wu, Yingying Feng

{"title":"1 Market mechanism design and operation practice of thermal power reserve capacity in Yunnan Province (CICED 2020)","authors":"Peiheng Duan, Minghui Yan, Dianning Wu, Yingying Feng","doi":"10.1109/ciced50259.2021.9556765","DOIUrl":"https://doi.org/10.1109/ciced50259.2021.9556765","url":null,"abstract":"This paper discusses the market mechanism design and operation practice of Yunnan thermal power reserve capacity. In view of Yunnan's special energy structure characteristics and continuous strong power demand, this paper puts forward an operation mechanism of thermal power reserve capacity market in clean energy-rich areas. Reasonably set the market variety of electric energy and scientifically arrange the trading time sequence, and construct a system balance adjustment fund compensation mechanism combining thermal power generation adjustment price with long-term reserve capacity. Encourage power generation to make reasonable quotation with reserve capacity income, dynamically track market organization and implementation of reserve capacity and make settlement and payment according to actual contribution rate. A coordinated operation mechanism between thermal power reserve capacity market and electric energy market is designed to realize the bidding of thermal power and hydropower on the same stage. The feasibility and effectiveness of the reserve capacity market in ensuring power supply, stimulating power plants to actively generate electricity, promoting the healthy development of the market, and guiding the investment of new power sources are proved by the ex ante and ex post evaluation of the market. It provides a useful reference for the construction of reserve capacity market in clean energy-rich areas, and puts forward some suggestions for developing reserve capacity market in the next step. (Abstract)","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"83 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":"131144585","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

Optimal configuration model of distribution network automation terminal considering branch line 考虑支线的配电网自动化终端优化配置模型

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556783

Liu Qiulin, X. Chen, Liao Xuesong, Zhang Chi, Liu Weiyu

引用次数: 1

Research and Test of 10kV ZnO Thermal Stability Based on Finite Element Analysis 基于有限元分析的10kV氧化锌热稳定性研究与试验

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556651

J. Cheng, Zhenlong Jiang, Hao Zou, Guiliang Deng

{"title":"Research and Test of 10kV ZnO Thermal Stability Based on Finite Element Analysis","authors":"J. Cheng, Zhenlong Jiang, Hao Zou, Guiliang Deng","doi":"10.1109/CICED50259.2021.9556651","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556651","url":null,"abstract":"The zinc oxide surge arrester is an important barrier to protect the power system from lightning, and maintaining its good thermal stability is of great significance for its safe operation. In this paper, the model of lightning arrester is established by finite element, the simulation calculation of the electrical-thermal characteristics under the impact of lightning current and large current is studied, the heating and heat dissipation characteristics of the arrester under different conditions are obtained, and the arrester is found in different environments Maximum operating temperature at temperature. And through the joint pressurization test, the temperature of the resistor sheet when the arrester thermally collapses under actual conditions is found, and the test results are in agreement with the simulation results. The research results show that if the zinc oxide resistor has a large amount of heat, poor heat dissipation from the resistor, and uneven electric field distribution, the arrester will reach the limit operating temperature. When the limit temperature is exceeded, the arrester will soon fall into thermal collapse and thermal fusion will occur. Wear, crack, and explode. Therefore, effective measures must be taken to improve the thermal stability of zinc oxide surge arresters.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"19 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":"131638153","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

Study on Risk Control Strategy of Power Grid Material Quality under Moral Hazard Condition 道德风险条件下电网物资质量风险控制策略研究

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556762

Xiaojian Wang, Liang Yan, Jianlin Wu

{"title":"Study on Risk Control Strategy of Power Grid Material Quality under Moral Hazard Condition","authors":"Xiaojian Wang, Liang Yan, Jianlin Wu","doi":"10.1109/CICED50259.2021.9556762","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556762","url":null,"abstract":"The quality of the power grid materials directly delivered to the construction site cannot be fully recognized by grid companies, and the suppliers will be driven by interests to violate the contract by cutting corners. Due to the lack of effective inspection of material quality, grid companies indirectly promote the increase of supplier moral hazard, and the material quality and safety risks increase accordingly. Based on the principal-agent theory, this paper studies the problem of how to control the quality risk of power grid materials under the condition of moral hazard, establishes a decision-making model of quality control for grid companies and suppliers, and considers the individual rational constraints of grid companies and suppliers, and makes an optimal solution to the model. The results show that under the moral hazard environment, the quality supervision of grid companies and the penalties for breach of contract and the quality control level of suppliers are different from the decision results under the condition of symmetric information. When the quality control level of suppliers is determined, the size of moral hazard depends on the difference between the internal quality assurance payment and the external quality assurance payment paid by the suppliers to the grid companies. The larger the difference, the greater the moral hazard. Grid companies should take into account their own income levels and control the moral hazard of suppliers, strengthen material quality supervision and management, increase the penalties for supplier’s breach of contract, and promote the healthy development of the grid material procurement market.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"13 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":"132144880","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

Exploratory Research on the Cooling Mode of Offshore Wind Power Converter Substation 海上风电变流器冷却方式的探索性研究

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556656

Guan Sheng-Li, Leng Ming-quan, Xu Xuzheng, Wen Yu-liang, Li Zhi-Dao, Wang Guang-wu

引用次数: 0

A fault prediction method of distribution network based on the improved RelieF-Softmax algorithm 基于改进的RelieF-Softmax算法的配电网故障预测方法

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556791

Tao Guo, Hong Zhang, L. Xiao, Li Wei, Jindong Yan

引用次数: 0

Research on Photovoltaic Penetration Limits in Mid-Voltage Distribution Network Considering Output Uncertainty 考虑输出不确定性的中压配电网光伏渗透极限研究

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556828

Xiaowei Li, Yigang Tao, Min Li, Chu Chen, Rongyao Li, J. Gu, Shuqi Liu

引用次数: 0

Combined Prediction Method of Transmission Line Icing Based on ARIMA-CSSVR 基于ARIMA-CSSVR的输电线路结冰联合预测方法

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556781

Tianqi Li, X. Shi, Nan Cao, Zhetao Gu, Sidong Zhao, Y. Huang, Xiaodong Liang

引用次数: 0

A precondition generalized minimization residual method based on GPU for static security analysis 基于GPU的静态安全分析的前提广义残差最小化方法

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556797

Sen Qi, Xin Li, Gengfeng Li, Yi Liang, Z. Bie, Huili Tian

{"title":"A precondition generalized minimization residual method based on GPU for static security analysis","authors":"Sen Qi, Xin Li, Gengfeng Li, Yi Liang, Z. Bie, Huili Tian","doi":"10.1109/CICED50259.2021.9556797","DOIUrl":"https://doi.org/10.1109/CICED50259.2021.9556797","url":null,"abstract":"In power system, in order to avoid equipment damage caused by overload and over voltage, fast online real-time static Security analysis (SSA) is very important. With power system expanding constantly, the scale of power grid is getting bigger and bigger, which even reach tens of thousands nodes. Therefore, the number of states that need to be calculated is huge, and the traditional serial computing method can’t meet the real-time computing requirements of large power grid any more. The expected fault set increases greatly, resulting in a larger computational burden. To solve this problem, A generalized minimization residual method (GMRES) based on GPU for SSA is proposed. First, the SSA is conducted in coarse-grained parallel, and the power flow calculation in each fault case are allocated by thread. Then, the solution of the modified equation and the formation of the Jacobian matrix in the process of each power flow are designed in a fine-grained parallel way to improve the computing speed and achieve a better acceleration effect. For the solution of the modified equation, due to its large scale and sparse mode, the iterative method is adopted to solve it. In view of the situation that the Jacobian matrix is asymmetric and positive definite, the internal iteration method adopts the generalized minimization residual (GMRES) method to further accelerate the internal iteration convergence. Incomplete LU precondition method further improves the efficiency of fine grain parallelism. At the same time, the Jacobian matrix with high computing time is parallelized to achieve the best overall acceleration effect. Compared with CPU serial calculation, the acceleration effect of parallel large-scale power system SSA based on GPU can reach a large acceleration ratio, and the acceleration ratio of case2383 power system can reach more than 6.17 times.","PeriodicalId":221387,"journal":{"name":"2021 China International Conference on Electricity Distribution (CICED)","volume":"16 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":"127971226","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

Low delay Ethernet networking upgrade scheme for smart substation based on time-sensitive network 基于时敏网络的智能变电站低延迟以太网组网升级方案

2021 China International Conference on Electricity Distribution (CICED) Pub Date : 2021-04-07 DOI: 10.1109/CICED50259.2021.9556661

Feifei Zhou, Yingli He, Jun Jin, Yi Zhou, Cheng Cheng

引用次数: 1