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Energy Engineering: Journal of the Association of Energy Engineers最新文献

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Study on Flow Field Simulation at Transmission Towers in Loess Hilly Regions Based on Circular Boundary Constraints 基于圆形边界约束的黄土丘陵区输电塔流场模拟研究
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.029596
Yongxin Liu, Huaiwei Cao, Puyu Zhao, Gang Yang, Hua Yu, Fuwei He, Bo He
{"title":"Study on Flow Field Simulation at Transmission Towers in Loess Hilly Regions Based on Circular Boundary Constraints","authors":"Yongxin Liu, Huaiwei Cao, Puyu Zhao, Gang Yang, Hua Yu, Fuwei He, Bo He","doi":"10.32604/ee.2023.029596","DOIUrl":"https://doi.org/10.32604/ee.2023.029596","url":null,"abstract":"When using high-voltage transmission lines for energy transmission in loess hilly regions, local extreme wind fields such as turbulence and high-speed cyclones occur from time to time, which can cause many kinds of mechanical and electrical failures, seriously affecting the reliable and stable energy transmission of the power grid. The existing research focuses on the wind field simulation of ideal micro-terrain and actual terrain with mostly single micro-terrain characteristics. Model boundary constraints and the influence of constrained boundaries are the main problems that need to be solved to accurately model and simulate complex flow fields. In this paper, a flow field simulation method based on circular boundary constraints is carried out. During the study, the influence of the model boundary and the selection conditions of the modeling range are systematically analyzed. It is more suitable to make sure that the air domain is 4 times higher than the height of the hill undulations, in addition to ensuring that there should be a minimum of 400 m between the study region and the boundary. Then, an actual terrain model of a power grid line in Shanxi is established, through the method proposed in this paper, the wind speed at the location of the transmission tower line under different wind directions is analyzed, and it is found thatwhen the incidence direction is 45 degrees north by east the wind speed is the highest. The findings demonstrate that the circular boundary model has the advantage of more easily adjusting the wind incidence direction, in addition to theoretically reducing the errors caused by traditional models in boundary processing. It can accurately obtain the distribution characteristics of the flow field affected by the terrain, and quickly screen out the extreme working conditions that are most harmful to the transmission lines in the actual transmission line for energy transmission in complex loess hilly regions.","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135755351","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
Optimization of Electricity Purchase and Sales Strategies of Electricity Retailers under the Condition of Limited Clean Energy Consumption 有限清洁能源消耗条件下电力零售商购售策略优化
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2022.024301
Peng Liao, Hanlin Liu, Yingjie Wang, Neng Liao
{"title":"Optimization of Electricity Purchase and Sales Strategies of Electricity Retailers under the Condition of Limited Clean Energy Consumption","authors":"Peng Liao, Hanlin Liu, Yingjie Wang, Neng Liao","doi":"10.32604/ee.2022.024301","DOIUrl":"https://doi.org/10.32604/ee.2022.024301","url":null,"abstract":"In the process of my country’s energy transition, the clean energy of hydropower, wind power and photovoltaic power generation has ushered in great development, but due to the randomness and volatility of its output, it has caused a certain waste of clean energy power generation resources. Regarding the purchase and sale of electricity by electricity retailers under the condition of limited clean energy consumption, this paper establishes a quantitative model of clean energy restricted electricity from the perspective of power system supply and demand balance. Then it analyzes the source-charge dual uncertain factors in the electricity retailer purchasing and selling scenarios in the mid-to long-term electricity market and the day-ahead market. Through the multi-scenario analysis method, the uncertain clean energy consumption and the user’s power demand are combined to form the electricity retailer’s electricity purchase and sales scene, and the typical scene is obtained by using the hierarchical clustering algorithm. This paper establishes a electricity retailer’s risk decision model for purchasing and selling electricity in the mid-and long-term market and reduce-abandonment market, and takes the maximum profit expectation of the electricity retailer from purchasing and selling electricity as the objective function. At the same time, in the medium and long-term electricity market and the day-ahead market, the electricity retailer’s purchase cost, electricity sales income, deviation assessment cost and electricity purchase and sale risk are considered. The molecular results show that electricity retailers can obtain considerable profits in the reduce-abandonment market by optimizing their own electricity purchase and sales strategies, on the premise of balancing profits and risks.","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69743947","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 Multi-Objective Optimization Model of Industrial Microgrid Considering Demand Response Technology and User Satisfaction 考虑需求响应技术和用户满意度的工业微电网多目标优化模型研究
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.021320
Junhui Li, Jinxin Zhong, Kailiang Wang, Yuanyuan Luo, Qian Han, J.C. Tan
{"title":"Research on Multi-Objective Optimization Model of Industrial Microgrid Considering Demand Response Technology and User Satisfaction","authors":"Junhui Li, Jinxin Zhong, Kailiang Wang, Yuanyuan Luo, Qian Han, J.C. Tan","doi":"10.32604/ee.2023.021320","DOIUrl":"https://doi.org/10.32604/ee.2023.021320","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69744524","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
Comparative Analysis of Equal and Unequal Grounding Grid Configurations by Compression Ratio and Least Square Curve Fitting Techniques 基于压缩比和最小二乘曲线拟合技术的等、不等接地网配置对比分析
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.021301
M. Soni, Abraham George
{"title":"Comparative Analysis of Equal and Unequal Grounding Grid Configurations by Compression Ratio and Least Square Curve Fitting Techniques","authors":"M. Soni, Abraham George","doi":"10.32604/ee.2023.021301","DOIUrl":"https://doi.org/10.32604/ee.2023.021301","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69744612","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
The Non-Singular Fast Terminal Sliding Mode Control of Interior Permanent Magnet Synchronous Motor Based on Deep Flux Weakening Switching Point Tracking 基于深度磁链弱化开关点跟踪的内嵌式永磁同步电机非奇异快速终端滑模控制
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.022461
Xiangfei Li, Yang Yin, Yang Zhou, Wen-Chin Liu, Kaihui Zhao
{"title":"The Non-Singular Fast Terminal Sliding Mode Control of Interior Permanent Magnet Synchronous Motor Based on Deep Flux Weakening Switching Point Tracking","authors":"Xiangfei Li, Yang Yin, Yang Zhou, Wen-Chin Liu, Kaihui Zhao","doi":"10.32604/ee.2023.022461","DOIUrl":"https://doi.org/10.32604/ee.2023.022461","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69744625","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
Harmonic State-Space Based AC-Side Impedance Model of MMC and High Frequency Oscillation Characteristics Analysis 基于谐波状态空间的MMC交流侧阻抗模型及高频振荡特性分析
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.025171
Hui Fang, Jingsen Zhou, Haozheng Wang, Yanxu Wang, Hongji Xiang, Yechun Xin
{"title":"Harmonic State-Space Based AC-Side Impedance Model of MMC and High Frequency Oscillation Characteristics Analysis","authors":"Hui Fang, Jingsen Zhou, Haozheng Wang, Yanxu Wang, Hongji Xiang, Yechun Xin","doi":"10.32604/ee.2023.025171","DOIUrl":"https://doi.org/10.32604/ee.2023.025171","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69746805","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
Extraction of Strain Characteristic Signals from Wind Turbine Blades Based on EEMD-WT 基于EEMD-WT的风电叶片应变特征信号提取
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.025209
Jin Wang, Z. Liu, Ying Wang, Caifeng Wen, Jianwen Wang
{"title":"Extraction of Strain Characteristic Signals from Wind Turbine Blades Based on EEMD-WT","authors":"Jin Wang, Z. Liu, Ying Wang, Caifeng Wen, Jianwen Wang","doi":"10.32604/ee.2023.025209","DOIUrl":"https://doi.org/10.32604/ee.2023.025209","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69747078","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
Grid Side Distributed Energy Storage Cloud Group End Region Hierarchical Time-Sharing Configuration Algorithm Based on Multi-Scale and Multi Feature Convolution Neural Network 基于多尺度多特征卷积神经网络的网格侧分布式储能云组端区分层分时配置算法
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.026395
Wen Long, Bin Zhu, Huaizhen Li, Yan Zhu, Zhiqiang Chen, Gang Cheng
{"title":"Grid Side Distributed Energy Storage Cloud Group End Region Hierarchical Time-Sharing Configuration Algorithm Based on Multi-Scale and Multi Feature Convolution Neural Network","authors":"Wen Long, Bin Zhu, Huaizhen Li, Yan Zhu, Zhiqiang Chen, Gang Cheng","doi":"10.32604/ee.2023.026395","DOIUrl":"https://doi.org/10.32604/ee.2023.026395","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69748672","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
PV Solar Yield Applicable Simulator Based on Free Irradiance Data Source: Applied Comprehensive Tool for Solar Engineers 基于自由辐照度数据源的光伏太阳能产量应用模拟器:太阳能工程师应用综合工具
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.026425
Ahmed Mohamed Ragab, Abdelhalim Abdelnaby Zekry, Ashraf Yahia Hassan
{"title":"PV Solar Yield Applicable Simulator Based on Free Irradiance Data Source: Applied Comprehensive Tool for Solar Engineers","authors":"Ahmed Mohamed Ragab, Abdelhalim Abdelnaby Zekry, Ashraf Yahia Hassan","doi":"10.32604/ee.2023.026425","DOIUrl":"https://doi.org/10.32604/ee.2023.026425","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69749028","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
Research on Optimal Configuration of Energy Storage in Wind-Solar Microgrid Considering Real-Time Electricity Price 考虑实时电价的风能-太阳能微电网储能优化配置研究
Energy Engineering: Journal of the Association of Energy Engineers Pub Date : 2023-01-01 DOI: 10.32604/ee.2023.026942
Zhenzhen Zhang, Qingquan Lv, Long Zhao, Qiang Zhou, Pengfei Gao, Yanqi Zhang, Yimin Li
{"title":"Research on Optimal Configuration of Energy Storage in Wind-Solar Microgrid Considering Real-Time Electricity Price","authors":"Zhenzhen Zhang, Qingquan Lv, Long Zhao, Qiang Zhou, Pengfei Gao, Yanqi Zhang, Yimin Li","doi":"10.32604/ee.2023.026942","DOIUrl":"https://doi.org/10.32604/ee.2023.026942","url":null,"abstract":"","PeriodicalId":35610,"journal":{"name":"Energy Engineering: Journal of the Association of Energy Engineers","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69749060","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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