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2015 Clemson University Power Systems Conference (PSC)最新文献

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Comparative study of bat & flower pollination optimization algorithms in highly stressed large power system 高压电力系统中蝙蝠与花授粉优化算法的比较研究
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101677
K. Pandya, D. Dabhi, S. Joshi
{"title":"Comparative study of bat & flower pollination optimization algorithms in highly stressed large power system","authors":"K. Pandya, D. Dabhi, S. Joshi","doi":"10.1109/PSC.2015.7101677","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101677","url":null,"abstract":"Optimal power flow is an important non-linear optimization task in power systems. In this process, the total power demand is distributed amongst the generating units such that each unit satisfies its generation limit constraints and the cost of power production is minimized. This paper presents a comparative study of new meta-heuristic optimization techniques namely bat and flower pollination algorithm for the optimal solution of optimal power flow problem such as minimizing the fuel cost of a thermal power plant. In this paper PSO is also taken just as a reference for measure the performance of the above two techniques. The numerical results clearly show that the bat algorithm gives better results than flower pollination algorithm in terms of fuel cost value and time required to reach global best solution. In order to illustrate the effectiveness of the proposed algorithm, it has been tested on highly stressed modified IEEE 300-bus test system.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127030919","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: 11
Harmonic measurements and analyses in distribution infrastructure feeding selected institutions in Malaysia and Nigeria 在马来西亚和尼日利亚的配电基础设施供电的谐波测量和分析
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101689
A. Amoo, U. Aliyu, G. Bakare, D. M. Said, M. Y. Hassan
{"title":"Harmonic measurements and analyses in distribution infrastructure feeding selected institutions in Malaysia and Nigeria","authors":"A. Amoo, U. Aliyu, G. Bakare, D. M. Said, M. Y. Hassan","doi":"10.1109/PSC.2015.7101689","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101689","url":null,"abstract":"Potential of harmonic generations by research institutes and universities have not been exhaustively investigated in some developing Countries. This paper therefore presents measurements and analyses of harmonic distortions in distribution infrastructure feeding selected institutions in Malaysia and Nigeria. Harmonic data were collected over extended periods using a power quality analyzer (Fluke 435) for selected time intervals in two different universities, one each from Southern Malaysia and Northern Nigeria. The acquired data were preprocessed using inbuilt Discrete Fourier Transform (DFT) and further statistically analyzed in Excel and MATLAB environments. The main results respectively, revealed a maximum total harmonic distortion in voltage and current of 1.62% and 17.14% in a Malaysian university as against 1.3% and 14% in Nigerian university. Statistical analyses based on time stamped THDV and THDI have clearly demonstrated the extent of harmonic generations in the two institutions which even though are within recommended IEEE standard, exhibited distinctive diurnal variation patterns.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127169079","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
Hydro-based, renewable hybrid energy sytem for rural/remote electrification in Nigeria 用于尼日利亚农村/偏远地区电气化的水力可再生混合能源系统
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101691
K. O. Lawal
{"title":"Hydro-based, renewable hybrid energy sytem for rural/remote electrification in Nigeria","authors":"K. O. Lawal","doi":"10.1109/PSC.2015.7101691","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101691","url":null,"abstract":"Today, there is a tendency to forget that there are still many locations in the world which do not have an electrical connection to a central utility network. Furthermore, in many places due to remoteness and cost, it is unlikely that a main grid connection will ever be established. However the need for power still exists. Nigeria is abundantly blessed with all major sources of energy; solar power, wind, geothermal and bio-energy. But my country lacks the expertise to control and utilize these sources of power. Many remote areas of developing countries like Nigeria lacked supply of conventional energy sources (oil, grid extension) due to cost and poor infrastructure. However, many of them are also fortunate enough to live in the proximity to potential indigenous renewable energy sources such as hydro, solar, and wind. This paper presents the concept of using more than one renewable energy sources/technologies in solving the energy problem of rural or remote centers, especially in a region with renewable energy potential.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123137279","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: 7
Power quality enhancem ent by means of shunt compensators based on the conservative power theory 基于保守功率理论的并联补偿器提高电能质量
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101699
T. Busarello, M. Godoy Simões
{"title":"Power quality enhancem ent by means of shunt compensators based on the conservative power theory","authors":"T. Busarello, M. Godoy Simões","doi":"10.1109/PSC.2015.7101699","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101699","url":null,"abstract":"Passive filters are widely used in electrical system for power quality improvements. Their first installations date from 1940s and their advantages make them an attractive and standard solution. However, passive filters have their filtering characteristics deteriorated due to parameter variation, caused by aging and temperature. Additionally, a capacitor bank for power factor correction is designed for specific loads and may not supply the right amount of reactive power when loads keep being added or changed. A solution to overcome such undesired effects is presented in this paper. There are two shunt compensators, with design and control based on the Conservative Power Theory. They are employed as supporting a tuned passive filter plus a capacitor bank. They contribute towards a better passive filter performance with reduced processed power. The addition of those shunt compensators would be cost-effective for weak grid conditions and smart grid advanced energy management control. A case study is presented in order to prove the compensators efficacy and the power quality improvement.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116480953","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: 4
Designing an efficient PI-based voltage control method for squirrel-cage induction generators in islanding/weak grid-connection conditions 孤岛/弱并网条件下基于pi的鼠笼式感应发电机电压控制方法设计
2015 Clemson University Power Systems Conference (PSC) Pub Date : 2015-03-10 DOI: 10.1109/PSC.2015.7101681
M. Rezaee, R. Harley, H. Heydari
{"title":"Designing an efficient PI-based voltage control method for squirrel-cage induction generators in islanding/weak grid-connection conditions","authors":"M. Rezaee, R. Harley, H. Heydari","doi":"10.1109/PSC.2015.7101681","DOIUrl":"https://doi.org/10.1109/PSC.2015.7101681","url":null,"abstract":"Wind farms are normally located far from the grid and, and may often experience islanding or weak grid-connection conditions. In such cases, the control system, which traditionally compensates the reactive power demanded by the generator, should take over the control of the voltage in order to stabilize the load bus voltage. In this paper, a new design of a PI-based controller is proposed to effectively maintain the voltage output of a wind farm consisting of squirrel-cage induction generators (SCIGs) connected to a weak grid, which might also be disconnected. The controller output changes the voltage output of a static synchronous compensator (STATCOM) to regulate load bus voltage. Conventional PI-based control methods are first investigated. Then, a new PI-based controller is designed. The results prove that the proposed new control method has substantial merits compared to the conventional methods.","PeriodicalId":409438,"journal":{"name":"2015 Clemson University Power Systems Conference (PSC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129606975","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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