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Solution of Economic Load Dispatch Problem Using Biogeography Based Optimization Technique Considering Valve Point Loading Effect 考虑阀点负荷效应的生物地理学优化技术求解经济负荷调度问题
International Journal of Electrical Energy Pub Date : 2017-01-01 DOI: 10.18178/ijoee.5.1.58-64
C. K. Chanda, D. Maity, Sumit Banerjee
{"title":"Solution of Economic Load Dispatch Problem Using Biogeography Based Optimization Technique Considering Valve Point Loading Effect","authors":"C. K. Chanda, D. Maity, Sumit Banerjee","doi":"10.18178/ijoee.5.1.58-64","DOIUrl":"https://doi.org/10.18178/ijoee.5.1.58-64","url":null,"abstract":"The article presents Biogeography-Based Optimization (BBO) algorithm which is applied on convex and non-convex Economic Load Dispatch (ELD) problem of power system. In this article transmission losses are not included. In this method, some non-linearities like valve point loading effect are considered. The primary objective of ELD is to determine optimal power allocation within operating limits such that the power demand is satisfied. Biogeography interacts with the biological distribution of species. The proposed BBO algorithm has been tested on three different test systems considering equality and inequality constraints. The results are checked the convergence characteristics with other techniques which prove the advantage of the proposed BBO algorithms.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"127 1","pages":"58-64"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77578195","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
An Enhanced Feedback Linearization with Fuzzy Logic to Control the Active and Reactive Powers of Bidirectional Three-Phase Grid-Connected Renewable Energy Inverters 基于模糊逻辑的增强反馈线性化控制双向三相可再生能源并网逆变器有功和无功功率
International Journal of Electrical Energy Pub Date : 2017-01-01 DOI: 10.18178/IJOEE.5.1.1-13
N. M. Thao, K. Uchida
{"title":"An Enhanced Feedback Linearization with Fuzzy Logic to Control the Active and Reactive Powers of Bidirectional Three-Phase Grid-Connected Renewable Energy Inverters","authors":"N. M. Thao, K. Uchida","doi":"10.18178/IJOEE.5.1.1-13","DOIUrl":"https://doi.org/10.18178/IJOEE.5.1.1-13","url":null,"abstract":"This paper proposes an enhanced feedback linearization method with fuzzy logic (enFBL-FL) to control the active and reactive powers of bidirectional three-phase grid-connected inverters used in renewable energy systems. The proposed control structure is a suitable combination of the direct Feedback Linearization (FBL) and Fuzzy Logic (FL) with newly-added helpful improvements and features. In detail, a unique fuzzy-based scheme is designed to adjust automatically the integral coefficients of the linear control method used in the direct FBL. Its key goals are to increase the response speed, eliminate the overshoot and diminish the steady-state fluctuations in the active and reactive powers. Also, two complementary proportional controllers for the powers are newly added at the outer loop to overcome unexpected errors of the Phase Lock Loop (PLL) and system modeling. In this study, the illustrative inverter utilizes a bidirectional three-level DC-AC converter, an R-L filter and a 250V/10kV 100kVA delta-wye transformer to deliver the total power, obtained from renewable sources and an Energy Storage System (ESS), to the 10kV/60Hz three-phase grid. As well, the inverter can absorb the active power from the grid to charge the ESS as needed. Numerical simulations in MATLAB demonstrate that the suggested enFBL-FL can regulate well the active and reactive powers of the inverter to the reference signals in both negative and positive values, even within large parametric uncertainties in the physical inverter and sudden changes in AC-system load of the grid. Furthermore, comparisons on simulation results, performed separately with the traditional PI control, the direct FBL approach and the newly proposed enFBL-FL, are provided to evaluate salient advantages of the proposed technique.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"37 1","pages":"1-13"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75482722","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
Design and Development of Efficient Guidance System Using Multi-functional Robot with Quadcopter 四轴多功能机器人高效制导系统的设计与开发
International Journal of Electrical Energy Pub Date : 2017-01-01 DOI: 10.18178/IJOEE.5.1.81-86
M. Kurdi, A. Dadykin, I. Elzein
{"title":"Design and Development of Efficient Guidance System Using Multi-functional Robot with Quadcopter","authors":"M. Kurdi, A. Dadykin, I. Elzein","doi":"10.18178/IJOEE.5.1.81-86","DOIUrl":"https://doi.org/10.18178/IJOEE.5.1.81-86","url":null,"abstract":"This paper introduces the design and development of QMRS. QMRS (Quadcopter Mobile Robotic System) is a real-time obstacle avoidance capability in Belarus-132N mobile robot with the cooperation of quadcopter Phantom-2. The main objective of this research paper is to identify the method involving the use of vision and image processing system from both robot and quadcopter; analyzing path in real-time and avoiding obstacles based-on the computational algorithm embedded inside the robot. In addition, it focuses on the full coordination between robot and quadcopter by designing an efficient wireless communication using WIFI. QMRS increases the efficiency and reliability of the whole system especially in robot navigation, image processing and obstacle avoidance due to the help and connection among the different parts of the system.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"126 3 1","pages":"81-86"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83442407","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
Implication of DG Incorporation in Criticality Assessment of Power Network Buses Using Betweenness Metric 用中间度度量法评价电网母线临界性中DG纳入的意义
International Journal of Electrical Energy Pub Date : 2017-01-01 DOI: 10.18178/ijoee.5.1.76-80
Tamalika Chowdhury, C. K. Chanda, A. Chakrabarti
{"title":"Implication of DG Incorporation in Criticality Assessment of Power Network Buses Using Betweenness Metric","authors":"Tamalika Chowdhury, C. K. Chanda, A. Chakrabarti","doi":"10.18178/ijoee.5.1.76-80","DOIUrl":"https://doi.org/10.18178/ijoee.5.1.76-80","url":null,"abstract":"Concepts in complex network theory has emerged as an effective tool in dealing with investigations related to failures in power networks. The topological betweenness can be redefined as electrical betweenness subjected to power flow conditions and constraints. In this paper the power grid can be modeled as a directed graph in analyzing the properties of the complex network theory to identify critical buses which can create vulnerable failures of the network if removed due to unforeseen fault or an attack. The electrical betweenness metric has been considered for this purpose in order to assess the vulnerability of a power network. Simulation of an IEEE 57 bus network has revealed that the most critical bus has high degree of electrical betweenness. This paper has also highlighted the application of Distributed Generation (DG) in improvement of the betweenness metric as well as the voltage profile of the critical bus along with reduction in total system power loss following its incorporation at the most critical bus. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"5 1","pages":"76-80"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74828188","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
Bispectrum and Energy Analysis of Wind Speed Data 风速资料的双谱和能量分析
International Journal of Electrical Energy Pub Date : 2017-01-01 DOI: 10.18178/IJOEE.5.1.87-91
T. Akinci, S. Seker, Ö. Akgün, J. Dikun, G. Erdemir
{"title":"Bispectrum and Energy Analysis of Wind Speed Data","authors":"T. Akinci, S. Seker, Ö. Akgün, J. Dikun, G. Erdemir","doi":"10.18178/IJOEE.5.1.87-91","DOIUrl":"https://doi.org/10.18178/IJOEE.5.1.87-91","url":null,"abstract":"The bispectrum has a different analysis functions compared to the power spectrum analysis. The bispectrum provides additional information for nonlinear or nonGaussian data, and also the method gives detailed information on the phase information signal. In this study, bispectrum and energy analysis was performed for wind speed data for the regions of Turkey Kırklareli. Hourly wind speed data of Kırklareli Region belonging to the year 2011 is used. Data were obtained from The General Director of Meteorology, Ankara, Turkey. As well as time-amplitude graph, energy graph obtained and monthly analysis is made of this diagram. Subsequently, sufficiency level of speed zones has been tested frequency from time and frequency information by obtaining spectrograms of velocity information. Random processes which are described more accurately than statistically and high grade statistics for processing phase information (more than two) and studies on spectrum can provide useful results. In this context, bispectrum of annual velocity information was obtained. In addition to the bispectrum analysis, methodology of the diagonal slices spectrum is used for data which do not show mark in the non-linear structure or Gaussian distribution researches. Also, after obtaining bispectrum surfaces, monthly results through these charts were found and evaluated by removing diagonal slices analysis. Peaks in the bispectrum indicates the frequency component and phase overlap in the signal. By means of these analyses, the frequency component and phase conflict are determined in the wind speed data. The results of the analysis determined by the energy level was consistent with the wind speed. Wind speed phase-coupling and diagonal slices are calculated. As a result of the calculations, it is determined low and high frequency groups.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"96 1","pages":"87-91"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80427774","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
Speed Control of a Variable Loaded DC Motor by Using Sliding Mode and Iterative Learning Control 基于滑模和迭代学习控制的变负载直流电动机速度控制
International Journal of Electrical Energy Pub Date : 2017-01-01 DOI: 10.18178/IJOEE.5.1.22-28
E. H. Dursun, M. Levent, Akif Durdu, O. Aydogdu
{"title":"Speed Control of a Variable Loaded DC Motor by Using Sliding Mode and Iterative Learning Control","authors":"E. H. Dursun, M. Levent, Akif Durdu, O. Aydogdu","doi":"10.18178/IJOEE.5.1.22-28","DOIUrl":"https://doi.org/10.18178/IJOEE.5.1.22-28","url":null,"abstract":"In this paper, speed control of a DC Motor with time varying loaded is performed by using sliding mode control (SMC), classical PID control and iterative learning control (ILC) methods. SMC is a robust nonlinear control method which has insensibility against to external disturbing effects and parametric variations of system. On the other hand, a control method of ILC provides an excellent performance on tracking. In the iterative learning PID (IL-PID) controller, the parameters of PID are automatically adjusted by using the algorithm of iterative learning. In this study, firstly, a DC Motor is modeled by using real data. Secondly, controllers which are an iterative learning PID (IL-PID), SMC-based and classical PID are designed and tested. Moreover, performance analysis of these controllers is done for load changes in the time interval. According to obtained results, the output of SMCbased system converges quickly to the reference value and the system gives the fastest response when changing of load occurs. Another result of this study is that the steady state error based on the learning success of ILC is decreased by IL-PID controller. The novel part of this study is that the comparison of these types of controllers is firstly made with this study. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"9 1","pages":"22-28"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79677805","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
A study of modified vertical axis tidal turbine to improve lift performance 提高升力性能的改进型垂直轴潮汐水轮机研究
International Journal of Electrical Energy Pub Date : 2016-03-01 DOI: 10.18178/IJOEE.4.1.37-41
N. Arini, S. Turnock, M. Tan
{"title":"A study of modified vertical axis tidal turbine to improve lift performance","authors":"N. Arini, S. Turnock, M. Tan","doi":"10.18178/IJOEE.4.1.37-41","DOIUrl":"https://doi.org/10.18178/IJOEE.4.1.37-41","url":null,"abstract":"A design of Darrieus vertical axis tidal turbine using modified airfoil was studied numerically in this work. The turbine design was evaluated in 2D CFD model using k-? turbulence model, upwind interpolation scheme and simulated using OpenFOAM. The turbine had three blades which were arranged symmetrically. The blades were of NACA 0012 airfoil which had been modified in the trailing edge region to increase its lift performance. The modification was made by truncating the trailing edge at the 15% of chord length from the trailing edge. Single normal and blunt airfoil were modelled and investigated prior to the turbine design evaluation. For generating the mesh, C-structured grid was employed to the single airfoil model and hybrid mesh to the vertical axis tidal turbine model. From the single airfoil simulations, it was found that blunt NACA0012 had 12% higher lift coefficient than normal airfoil and the pressure coefficient magnitude of blunt vertical axis tidal turbine significantly rise two times from vertical axis tidal turbine using normal NACA0012 airfoil.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"2 1","pages":"37-41"},"PeriodicalIF":0.0,"publicationDate":"2016-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86429189","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: 6
Contingency Screening and Ranking Considering Volatility of Wind Power 考虑风电波动性的应急筛选与排序
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.4.199-203
Di Wang, Huaidong Liu, Lezhao Yi, Xiran Wang
{"title":"Contingency Screening and Ranking Considering Volatility of Wind Power","authors":"Di Wang, Huaidong Liu, Lezhao Yi, Xiran Wang","doi":"10.18178/IJOEE.4.4.199-203","DOIUrl":"https://doi.org/10.18178/IJOEE.4.4.199-203","url":null,"abstract":"In order to avoid only considering seriousness of fault in contingency screening and ranking, a new method is proposed which is based on probabilistic insecurity index. In this paper, randomness, economy and volatility of wind power and load are considered. Besides, probability density functions of wind power and load are used to modify the model of expected loss. Firstly, according to typical fault set, dynamic security region and probabilistic insecurity index are determined. Then the volatility of wind power and load could be transformed into the volatility of generator trip and load shedding. Finally, based on modified model of expected loss, the proportion of expected loss of each contingency in fault set can be computed. Then use this proportion to screen and rank contingencies. Simulations on New England 10-generator 39-bus system show that based on this new method, contingencies could be screened and ranked rationally and accurately.","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"146 1","pages":"199-203"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72733816","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
Architecture Conception of Energy Internet and Technical Challenges 能源互联网的架构构想与技术挑战
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/ijoee.4.2.107-111
Yonghua Chen, Renren Deng, Dongmei Yang, Hongshui Lv
{"title":"Architecture Conception of Energy Internet and Technical Challenges","authors":"Yonghua Chen, Renren Deng, Dongmei Yang, Hongshui Lv","doi":"10.18178/ijoee.4.2.107-111","DOIUrl":"https://doi.org/10.18178/ijoee.4.2.107-111","url":null,"abstract":"This paper presents a new management system for energy internet based on hierarchical and independent principle. Every point connects each other and has its own scheduling rights. In previous work, we have analyzed the features, structure and technology system for energy internet, and put forward the architecture conception based on Multi-agent system. Compared to current energy system, Multi-agent operation method can perform high efficiency. We also provide the functional detail of management system and point out the research direction of the key technologies to implement the function of multi-agent system. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"33 3","pages":"107-111"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91477182","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 Placement of Thyristor Controlled Series Compensators for Sensitive Nodes in Transmission System Using Voltage Power Sensitivity Index 基于电压功率灵敏度指标的输电系统晶闸管控制串联补偿器敏感节点优化布置
International Journal of Electrical Energy Pub Date : 2016-01-01 DOI: 10.18178/IJOEE.4.4.194-198
Saurabh Ratra, Pradeep Singh, Rajive Tiwari
{"title":"Optimal Placement of Thyristor Controlled Series Compensators for Sensitive Nodes in Transmission System Using Voltage Power Sensitivity Index","authors":"Saurabh Ratra, Pradeep Singh, Rajive Tiwari","doi":"10.18178/IJOEE.4.4.194-198","DOIUrl":"https://doi.org/10.18178/IJOEE.4.4.194-198","url":null,"abstract":"This paper proposes a novel Voltage Power Sensitivity Index (VPSI) to find sensitive nodes for optimal placement of TCSCs. The proposed index is used to rank the buses according to their voltage sensitivity. Taguchi Method (TM) is used to find size of TCSCs to improve voltage stability margin and voltage profile of the system and to cope up the problem of line congestion. The proposed methodology has been tested on IEEE 14-bus test system to substantiate its applicability. ","PeriodicalId":13951,"journal":{"name":"International Journal of Electrical Energy","volume":"91 1","pages":"194-198"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83728308","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
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