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2021 International Conference on Power System Technology (POWERCON)最新文献

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Research on the Influencing Factors and Their Mechanisation of Power Grid Reliability 电网可靠性的影响因素及其机械化研究
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697649
Yuanfei Li, Jun Zhang, Wanqing Chen, Qiyuan Cai, Changyong Lin, Kangli Xiang
{"title":"Research on the Influencing Factors and Their Mechanisation of Power Grid Reliability","authors":"Yuanfei Li, Jun Zhang, Wanqing Chen, Qiyuan Cai, Changyong Lin, Kangli Xiang","doi":"10.1109/POWERCON53785.2021.9697649","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697649","url":null,"abstract":"Reliability is an important indicator for evaluating the level of power grids. This paper aims to study the factors that affect the reliability of the power grid. This paper proposes a simplified reliability evaluation index based on the capacity-to-load ratio. Then, a power grid reliability model based on system dynamics is established, and a causal cycle diagram and a system stack flow chart are given. After that, this paper uses VENSIM to simulate a given model in different situations. Finally, the relationship between reliability index and demand response resource penetration rate, reliability index and transmission and distribution price is given. At the end of this article, some suggestions are made to the government on DSM and price incentives.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128819226","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
Analysis the Effect of Complex Soil Structure on Potential Distribution Caused by Metro Stray Current 复杂土壤结构对地铁杂散电流电势分布的影响分析
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697768
Yuhang Tang, Yanru Ni, Kun Yu, Xiangjun Zeng, Chao Zhuo, Wei Han
{"title":"Analysis the Effect of Complex Soil Structure on Potential Distribution Caused by Metro Stray Current","authors":"Yuhang Tang, Yanru Ni, Kun Yu, Xiangjun Zeng, Chao Zhuo, Wei Han","doi":"10.1109/POWERCON53785.2021.9697768","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697768","url":null,"abstract":"The stray current of urban rail transit will lead to nearby soil potential change, which will cause transformer DC bias. Therefore, the calculation model of earth potential distribution was established based on complex soil structure in this paper Firstly, the traction power supply model of urban rail transit was established, and the analytical expression of stray current distribution was derived. Then, based on the numerical distribution results of metro stray current, the complex soil structure was established by finite element simulation software, and the soil potential calculation was realized. The simulation results showed that the soil structure has absolute influence on the change of earth potential distribution caused by metro stray current. With the greater the difference in soil resistivity of different layers, the influence on the soil potential is more obvious. The calculation of soil potential distribution caused by metro stray current can be realized, which has certain guiding significance for the evaluation of transformer DC bias.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123156559","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
Dynamic Economic Dispatch Considering Demand Response Based on Reinforcement Learning 基于强化学习的考虑需求响应的动态经济调度
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697597
Zekuan Yu, Guanglu Zhang, Tong Xiao, Xinyue Wang, H. Zhong
{"title":"Dynamic Economic Dispatch Considering Demand Response Based on Reinforcement Learning","authors":"Zekuan Yu, Guanglu Zhang, Tong Xiao, Xinyue Wang, H. Zhong","doi":"10.1109/POWERCON53785.2021.9697597","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697597","url":null,"abstract":"With the explosive growth of various participants and information in smart grid, data-driven methods such as reinforcement learning are getting increasing attention for solving problems concerning power system operation and management. In this paper, a dynamic economic dispatch method based on deep deterministic policy gradient (DDPG) algorithm is designed to minimize total operation cost of multi-period economic dispatch. The model for multi-period economic dispatch considering demand response is firstly established. To transform it into a reinforcement learning problem, the model is then reconstructed as a sequential decision-making process, with state, action and reward defined accordingly. A modified DDPG algorithm is introduced to solve the decision-making problem. Finally, case study based on a modified IEEE 14-bus system validates that the proposed method can obtain a satisfactory dispatch schedule which can approximate the effect of optimization solvers near real-time with robustness.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126453245","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
Locating and Sizing optimization algorithm of Distributed Generation in Distribution Networks for Low-carbon operation 面向低碳运行的配电网分布式发电定位与规模优化算法
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697698
Xu Zhong, Peng Heping, Mo Wenxiong, Wang Yong, Luan Le
{"title":"Locating and Sizing optimization algorithm of Distributed Generation in Distribution Networks for Low-carbon operation","authors":"Xu Zhong, Peng Heping, Mo Wenxiong, Wang Yong, Luan Le","doi":"10.1109/POWERCON53785.2021.9697698","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697698","url":null,"abstract":"with the increasing energy crisis and environmental pollution, reducing energy consumption and implementing a low-carbon economy are critical to achieve sustainable development. The penetration rate of distributed generations (DGs) is gradually increasing for the benefits of the economy and flexibility. Appropriate grid-connection schemes of DGs can reduce system operational costs and decrease carbon emissions. To optimize the grid-connection schemes with DGs, a locating and sizing algorithm of DGs in distribution networks for Low-carbon operation is proposed. First, the optimal models of a distribution system for low- carbon operation are constructed based on the carbon emission flow theory, and the security and stability constraints of the system. Then, the chaotic-particle warm is applied in the optimal models to determine the optimal grid-connection schemes of DGs. Finally, the IEEE 33-bus distribution system is modeled on the CloudPSS platform to test and verify the optimization algorithm. The test results show that the algorithm is effective and useful.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121067730","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
Research on the Two-tier Transaction Mechanism of Renewable Energy Excess Consumption 可再生能源超额消费的两层交易机制研究
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697760
Zhihua Gao, Kecheng Wu, Shukai Liu, Quan Chen, Runquan He, M. Xie
{"title":"Research on the Two-tier Transaction Mechanism of Renewable Energy Excess Consumption","authors":"Zhihua Gao, Kecheng Wu, Shukai Liu, Quan Chen, Runquan He, M. Xie","doi":"10.1109/POWERCON53785.2021.9697760","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697760","url":null,"abstract":"Considering the marketization of renewable energy trading and the timing of excess consumption trading, this paper constructs a two-tier optimization model mechanism of renewable energy excess consumption trading. By measuring the scale of renewable energy excess consumption, we can get the scale of renewable energy excess consumption of each subject in the province. Then, aiming at the optimal benefit of market participants and combining with network constraints, a two-level optimization model of inter-provincial transaction-inter-provincial transactions is constructed. The construction of this model gives priority to ensuring that the main body of each province and region completes the weight target of absorbing responsibility, and at the same time provides a market-oriented incentive mechanism for the regions with stronger absorbing capacity, which promotes the preferential use of new energy in a wider range from the mechanism. The simulation results show that the proposed mechanism is effective and feasible.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121156819","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
Research and Practice of Clean Energy Transaction Mechanism in the Electricity Market Environment 电力市场环境下清洁能源交易机制的研究与实践
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697696
Xiangrui Liu, N. Zhou, Dianning Wu, Minghui Yan, Y. Xing
{"title":"Research and Practice of Clean Energy Transaction Mechanism in the Electricity Market Environment","authors":"Xiangrui Liu, N. Zhou, Dianning Wu, Minghui Yan, Y. Xing","doi":"10.1109/POWERCON53785.2021.9697696","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697696","url":null,"abstract":"In the context of carbon neutrality, the proportion of clean energy in the new power system will gradually increase. A good electricity market mechanism is the basis for the stable operation of a high percentage of clean energy power systems. Based on the study of foreign new power system clean energy trading mechanisms, the characteristics of the Yunnan power market with high marketization, high proportion of clean energy trading, and complex large power grids are fully considered in the paper. Combined with the actual situation of the Yunnan power market, it analyzes the problems and challenges faced in the aspects of economic trading, clean energy consumption, transaction risk control, etc., focusing on the optimization control of clean energy power generation capacity in a random environment and market-based absorption incentives, and a progressive large-scale power generation plan in terms of market deviation processing system and other aspects, the research work on clean energy trading mechanisms under the power market environment has been carried out. Through the establishment of a relatively complete clean energy market transaction system, it has a strong reference significance for the clean energy transaction and consumption mechanism in the new power system.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121672388","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
Power Flow Optimization for Inter-regional Transmission under Low-carbon Economy with Large-scale Wind Integration 大规模风电并网低碳经济下跨区域输电潮流优化
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697610
Siyu Lu, Baorong Zhou
{"title":"Power Flow Optimization for Inter-regional Transmission under Low-carbon Economy with Large-scale Wind Integration","authors":"Siyu Lu, Baorong Zhou","doi":"10.1109/POWERCON53785.2021.9697610","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697610","url":null,"abstract":"In recent years, China has become one of the largest CO2 emitter in the world. Boosting the production of renewable electricity, such as wind power production, is a key measure to develop a low-carbon power system. A method for optimizing inter-regional power transmission flow with large-scale wind integration under low-carbon economy has been proposed, which takes the minimization of the overall cost as the objective function. With the CO2 emission cost arising from power generation of the entire system, the method proposed can better optimize the power flow for inter-regional transmission with large-scale wind integration. Then the proposed method was applied to an analytic study of power flow optimization between two provincial grids with large-scale wind integration in China for a certain year. The optimization result showed the method proposed is rational and the carbon emission will have a significant impact on the overall operation cost and power flow optimization.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121612902","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
Practical Model of Wind Generator with Auxiliary Frequency Controller on PSS/E PSS/E上带辅助频率控制器的风力发电机实用模型
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697695
H. Cai, Wenjia Zhang, Sixuan Xu, Zhuyi Peng, Zheyang Yu, Zheng Xu
{"title":"Practical Model of Wind Generator with Auxiliary Frequency Controller on PSS/E","authors":"H. Cai, Wenjia Zhang, Sixuan Xu, Zhuyi Peng, Zheyang Yu, Zheng Xu","doi":"10.1109/POWERCON53785.2021.9697695","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697695","url":null,"abstract":"This paper studies the electromechanical transient modeling techniques of the wind generator with auxiliary frequency controller. Firstly, the operation condition of the wind generator which is required to provide frequency support to the system is analyzed. A calculation method is proposed to compute the tip speed ratio and the pitch angle for the given de-load coefficient and the real wind speed, which are the reference values for the dynamic simulation model. Then, the structure of the wind generator practical model is given. Lastly, cases of wind generator under disturbance is simulated for the validation of the proposed model.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116772833","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
A bidding model for virtual power plants to participate in demand response in the new power market environment 新电力市场环境下虚拟电厂参与需求响应的竞价模型
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697757
Menglong Yang, Yong Wang, Shengguo Gao, Qiang Zhang, Zhi Li, Di Wang
{"title":"A bidding model for virtual power plants to participate in demand response in the new power market environment","authors":"Menglong Yang, Yong Wang, Shengguo Gao, Qiang Zhang, Zhi Li, Di Wang","doi":"10.1109/POWERCON53785.2021.9697757","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697757","url":null,"abstract":"Members of the virtual power plant(VPP) are extremely price-sensitive, and effective bidding strategies can help virtual power plant operators increase user stickiness and loyalty, increase their enthusiasm for participating in demand response(DR), and expand the profit margin of virtual power plants.This paper proposes a bidding strategy in which virtual power plants participate in demand response. Focus on the study of clearing price models and cost models, comprehensively consider current market price influence factors and various resource output uncertain factors.With the goal of maximizing the profit obtained by participating in demand response, we will screen the members of the VPP and help VPP formulate a quotation strategy.At the end of the article, we select three examples to verify the effectiveness of the bidding model. In the three demand period scenarios, profits increased by 20.82%, 16.58%, and 10.82% after using the bidding model.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125281701","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
Bidding Strategy for Power Generation Enterprises as Price Makers in Day-ahead Energy and Regulation Markets 日前能源与监管市场中发电企业作为价格制定者的竞价策略
2021 International Conference on Power System Technology (POWERCON) Pub Date : 2021-12-08 DOI: 10.1109/POWERCON53785.2021.9697603
Xiaofeng Yu, Chunliang Wang, Qiang Wei, Ying Le, Xiaocong Sun, Yimin Bo, Lingyang Li
{"title":"Bidding Strategy for Power Generation Enterprises as Price Makers in Day-ahead Energy and Regulation Markets","authors":"Xiaofeng Yu, Chunliang Wang, Qiang Wei, Ying Le, Xiaocong Sun, Yimin Bo, Lingyang Li","doi":"10.1109/POWERCON53785.2021.9697603","DOIUrl":"https://doi.org/10.1109/POWERCON53785.2021.9697603","url":null,"abstract":"As high-level renewable energy integration imposes significant uncertainties into power systems, the ancillary market has emerged to mitigate unbalance through market-based mechanism. The thermal generators are transmitting from benchmark suppliers to adjustable suppliers, which means how to allocate capacities for energy and ancillary market is crucial for revenues. This paper is focused on the bidding strategy of power generation enterprises as price-makers in day-ahead energy and regulation markets. A two level bidding strategy model is proposed where power generation enterprises maximizes the profits by strategic bids subject to system operator minimizes power supply costs. The proposed strategic bidding model are transformed into a computationally tractable mixed integer linear programming problem by Karush-Kuhn-Tucker conditions, which can be solved by mature commercial solvers. The proposed technique is able to provide bidding strategies for price makers in provincial energy and ancillary markets.","PeriodicalId":216155,"journal":{"name":"2021 International Conference on Power System Technology (POWERCON)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125109563","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
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