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A comparative study of techniques utilized in analysis of wind turbine data 风力发电机数据分析技术的比较研究
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-10-18 DOI: 10.1109/CICED.2016.7576412
P. Mazidi, Du Mian, M. A. Sanz-Bobi
{"title":"A comparative study of techniques utilized in analysis of wind turbine data","authors":"P. Mazidi, Du Mian, M. A. Sanz-Bobi","doi":"10.1109/CICED.2016.7576412","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576412","url":null,"abstract":"Power produced by a wind turbine is dependent on many factors with different importance degrees. Main factors can be found by a thorough analysis of all the factors and their correlation and impact on the main output. Therefore, it is important to monitor the performance of the wind turbines in order to minimize the operation and maintenance costs by pointing out abnormalities. This paper analyzes the main factors affecting active output power of a wind turbine which are Gearbox Temperature, Pitch Angle, Rotor Speed and Wind Speed. The data are measured over a 12-month period. Several techniques, Kohonen Maps, Multilayer Perceptron, Decision Trees and Rough Sets, are applied to these data. The objective is to show a comparison of different techniques, their positive and negative points and give the reader the ability to choose the best technique for the study based on the their advantages and disadvantages. For the assessment of data, MATLAB and WEKA software are utilized. Each study presents its accuracy based on the output error.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126101845","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: 5
Study on the cooperative relationship of electrical parameters in a steady-state distribution network 稳态配电网中电气参数的协同关系研究
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576233
Meng Si, H. Bao
{"title":"Study on the cooperative relationship of electrical parameters in a steady-state distribution network","authors":"Meng Si, H. Bao","doi":"10.1109/CICED.2016.7576233","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576233","url":null,"abstract":"This paper aims to analyze the inner relationships of distribution network's power flow data. In this work, a circuit model is first established, based on an actual steady-state grid and its operation data. Then analytical expressions of electrical parameters' transmission relationships, the matching relationships of electrical parameters and their transmission law are analyzed. The results are encouraging, and provide a new way to analyze power flow and to solve the problem of data error in state estimation.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"543 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116241679","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
Measures against voltage sags & cases from on-site data 根据现场数据对电压跌落和情况采取措施
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576048
Xuezhong Zhu, Wenbo Chen, Chaojie Ding, Li Wang
{"title":"Measures against voltage sags & cases from on-site data","authors":"Xuezhong Zhu, Wenbo Chen, Chaojie Ding, Li Wang","doi":"10.1109/CICED.2016.7576048","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576048","url":null,"abstract":"Voltage sags are inevitable phenomenon in power system operation. Firstly impacts of voltage sags on sensitive loads in thermal power plants, petrochemical and coal chemical industry, chemical fiber industry and semiconductor industry are discussed. Then, treatment measures of voltage sag are discussed from power supply side and user side, including reducing the occurrence of line faults, reducing fault clearing time, changing power supply pattern, installing mitigating devices, adopting to AC&DC power supply scheme, and improving anti-interference performance, etc. Based on the on-site data from voltage sag treatment center of Golden Cooperate Company, cases of the above solutions are presented and analysised. Finally, treatment strategy for both power plants and other industrial users are discussed.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"57 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116313639","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 research on the on-line and off-line theoretical calculation software of line loss by Guangdong power grid 广东电网线损在线与离线理论计算软件的研究
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576250
Liu Junfang, Wei Bin
{"title":"The research on the on-line and off-line theoretical calculation software of line loss by Guangdong power grid","authors":"Liu Junfang, Wei Bin","doi":"10.1109/CICED.2016.7576250","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576250","url":null,"abstract":"This paper introduces the present progress of the on-line and off-line theoretical calculation software of line loss by Guangdong power grid. Due to the benefit of reducing line loss, to improve distribution line loss management is important. The theoretical calculation model is the base of software, while the practical model is more effective than the theoretical model for engineering application, because the practical model is modified to adapt the demand of Guangdong power grid's data systems. This paper also introduces the data source from the data centres with the development of the practical software. The on-line calculation is feasible if some disadvantages are solved. The suggestions for solving the disadvantages are given, which is the next step to improve the software. The present software is applied effectively in Guangdong power grid includes 19 cities.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131670820","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
Ontology-based automatic mapping technology for heterogeneous common information model 基于本体的异构公共信息模型自动映射技术
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576371
Zhang Hong, Liu Dong, L. Yiming, Lv Guangxian, Wang Kairui, Xiong Xiaofang
{"title":"Ontology-based automatic mapping technology for heterogeneous common information model","authors":"Zhang Hong, Liu Dong, L. Yiming, Lv Guangxian, Wang Kairui, Xiong Xiaofang","doi":"10.1109/CICED.2016.7576371","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576371","url":null,"abstract":"Common Information Model (CIM) provides a unified information model for distribution automation, which is the premise for interactive information of smart distribution network. However, with the rapid update and private extension of CIM, the information models of different systems may remain heterogeneous and make information exchange difficult. Traditional solution costs too much human efforts to accomplish differences analysis work. This paper based on ontology model proposed a mapping algorithm to automatically map heterogeneous CIM. With only very few manual review, it can provide mapping solution for heterogeneous model transformation efficiently, which benefits the integration of heterogeneous distribution information model. The accuracy of proposed algorithm has also been verified through test case.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"123 41","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120818899","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
Study on analysis and decision support system of power grid operation considering meteorological environment based on big data and GIS 基于大数据和GIS的考虑气象环境的电网运行分析决策支持系统研究
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576045
Li Li, Xu Yao-qiang, Wang Xing-zhi, Wang Kai
{"title":"Study on analysis and decision support system of power grid operation considering meteorological environment based on big data and GIS","authors":"Li Li, Xu Yao-qiang, Wang Xing-zhi, Wang Kai","doi":"10.1109/CICED.2016.7576045","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576045","url":null,"abstract":"It is significant to obtain the impacts of meteorology on power grid effectively in power grid operation and planning. This paper attempts to offer a approach to analyzing the effect of meteorological environment on the power grid, not only meteorological hazard but also conventional meteorological environment such as air pollution and temperature. In this article the business requirements about the impacts of meteorological environment on power grid are discussed firstly, and then integrated analysis and decision support system including four main functions and three layers are designed to satisfy the requirement. Further, considering the characteristics of meteorology and power system, a approach which can extract the meteorological influence on power grid and the internal correlation features on a hybrid correlation mining is proposed. Finally visualization technology of integrated GIS and big data is used to show the analysis results by a multidimensional way. The performance of the proposed method has been evaluated by case studies, with an effectiveness and correctness result.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129790349","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 lamp placement on power saving efficiency for indoor visible light communication systems 灯具放置对室内可见光通信系统节电效率的影响
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7575964
Jinlong Zhang
{"title":"Influence of lamp placement on power saving efficiency for indoor visible light communication systems","authors":"Jinlong Zhang","doi":"10.1109/CICED.2016.7575964","DOIUrl":"https://doi.org/10.1109/CICED.2016.7575964","url":null,"abstract":"This paper studies the influences of lamp placement on power saving for indoor visible light communication systems. Four typical schemes are considered. By modeling the pulse waveform design of the communication system as a linear programming problem, power consumption is minimized for each scheme. Numerical results show that lamp placement is important for indoor visible light communication systems. When the power consumed by the controlling circuits is negligible, higher power saving efficiency can be obtained by dividing the LEDs into more uniformly spaced units each having a local controlling circuit while the total number of LEDs is kept unchanged.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127981125","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
Studies on load characteristics of Tianjin power grid during the twelfth five-year 天津电网“十二五”负荷特性研究
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576180
Wang Lei, Liu Shuyong, Liu Lixia, Mu Jian
{"title":"Studies on load characteristics of Tianjin power grid during the twelfth five-year","authors":"Wang Lei, Liu Shuyong, Liu Lixia, Mu Jian","doi":"10.1109/CICED.2016.7576180","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576180","url":null,"abstract":"Based on the load data of Tianjin, the paper analyzes power grid load characteristic curves, and discusses influence factors. Firstly, the paper focus on the current situation of load development and the characteristics of power consumption structure are based on the situation of supply and demand, power consumption structure, and industrial structure. Secondly, the paper analyzes the annual load characteristics of Tianjin power grid, including load characteristics, typical daily load characteristics. Finally, the paper discusses the main factors influencing the load characteristics of Tianjin power grid.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125570249","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
The flexible control strategy study of receiving end large power grid under global energy connection 全球能源互联下大电网接收端柔性控制策略研究
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576086
Hucheng Li, Yubo Yuan, Xiaoyi Zhang, Xiaodong Yuan, Dajiang Wang
{"title":"The flexible control strategy study of receiving end large power grid under global energy connection","authors":"Hucheng Li, Yubo Yuan, Xiaoyi Zhang, Xiaodong Yuan, Dajiang Wang","doi":"10.1109/CICED.2016.7576086","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576086","url":null,"abstract":"This paper puts forward a comprehensive control method of UHV receiving end power grid based on user intelligent interaction. The load flexible control cloud platform, together with the existing dispatching operation and marketing system, realizes load regulation by smart plug-in units with the function of micro-control and infrared adjustment. When high power deficiency happens caused by UHV failure or emergency shutdown, the load flexible control cloud platform can play an important role on hierarchical control of virtual power plants flexibly and fine. The large scale virtual power plants response to form clusters aggregation effect, contributing large power to support grid power supply and demand balance, to ensure the safe and stable operation of power grid.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131187580","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
Study on the subsynchronous resonance mechanism of DFIG based on the analysis of stator and rotor torques 基于定子和转子转矩分析的DFIG次同步谐振机理研究
2016 China International Conference on Electricity Distribution (CICED) Pub Date : 2016-09-26 DOI: 10.1109/CICED.2016.7576188
Xiaoliang Dong, Jinming Hou, Zhen Wang, J. Pi, Xu Tian, Yiding Jin
{"title":"Study on the subsynchronous resonance mechanism of DFIG based on the analysis of stator and rotor torques","authors":"Xiaoliang Dong, Jinming Hou, Zhen Wang, J. Pi, Xu Tian, Yiding Jin","doi":"10.1109/CICED.2016.7576188","DOIUrl":"https://doi.org/10.1109/CICED.2016.7576188","url":null,"abstract":"Starting from the expression of electromagnetic torque of doubly fed induction generator (DFIG), this paper divides the electromagnetic torque variation at a certain rotor speed variation into two parts, i.e., the rotor torque variation and stator torque variation. After working out the relationship of stator and rotor torque variations with the rotor speed variation, a novel mechanism interpretation of subsynchronous resonance (SSR) is put forward by analyzing the amplitude and phase characteristics versus frequency. With this method, this paper investigates the impact of rotor speed and compensation level on SSR stability. Results show that rotor-side electromagnetic torque variation has a positive damping effect on SSR but the stator-side torque variation has a negative damping effect. The speed of rotor speed mainly affects rotor-side torque variation and the compensation level has significant impact on the stator-side torque variation. SSR risk will increase with lower rotor speed or higher compensation level.","PeriodicalId":231527,"journal":{"name":"2016 China International Conference on Electricity Distribution (CICED)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133266329","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: 3
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