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A novel approach for performance improvement of partially shaded solar arrays 一种改进部分遮阳太阳能电池阵列性能的新方法
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7582911
S. Vijayalekshmy, G. R. Bindu, S. Iyer
{"title":"A novel approach for performance improvement of partially shaded solar arrays","authors":"S. Vijayalekshmy, G. R. Bindu, S. Iyer","doi":"10.1109/ICEETS.2016.7582911","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7582911","url":null,"abstract":"This paper proposes a novel scheme for the total cross tied interconnection of photovoltaic modules for reducing partial shading losses and thus power generation. The performance improvement over classical total-cross-tied connection has been validated by extensive simulation results. The novel scheme of arrangement is also compared with the optimal total cross tied configuration and results show that the new scheme of arrangement showed very similar operational characteristics. The rearrangement of modules is performed without varying the electrical connection of the modules in the array. This reduces the multiple local maxima in power-voltage (P-V) characteristics and improves the nominal voltage of PV array. Thus, tracking of global maximum power point (GMPP) in the present approach is simpler. The performance of the system is investigated for five different shading patterns.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"361 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115916108","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
Fault Ride Through for a DC ring bus microgrid 直流环形母线微电网的故障穿越
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7582891
S. Vishnupriya, P. Kanakasabapathy
{"title":"Fault Ride Through for a DC ring bus microgrid","authors":"S. Vishnupriya, P. Kanakasabapathy","doi":"10.1109/ICEETS.2016.7582891","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7582891","url":null,"abstract":"DC microgrid is gaining more prominence due to the development of renewable resources that generate DC output and also due to the increasing use of DC in end-user equipments. Also with DC system, connection of backup energy storage and small size generation is easier to realize. For any system, disconnecting a part of the system during temporary faults is uneconomical and might lead to network instabilities. To overcome this, the system must possess Fault Ride Through (FRT) capability. FRT is the ability of the system to remain connected during faults. In this paper, FRT for DC ring bus micro-grid system is achieved for temporary faults. After the occurrence of a fault, the system will ride through the fault until a predefined time period is exceeded. When the predefined time period is exceeded, the system classifies the fault as a permanent fault and the system is isolated. The FRT is achieved by supplying a limited amount of current to the fault using Fault Current Limiters (FCL) working with the proposed algorithm.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123803277","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: 16
Optimal active and Reactive Power dispatch problem solution using Moth-Flame Optimizer algorithm 利用飞蛾-火焰优化算法求解有功和无功优化调度问题
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7583804
Siddharth A. Parmar, M. Pandya, Motilal Bhoye, I. Trivedi, Pradeep Jangir, Dilip P. Ladumor
{"title":"Optimal active and Reactive Power dispatch problem solution using Moth-Flame Optimizer algorithm","authors":"Siddharth A. Parmar, M. Pandya, Motilal Bhoye, I. Trivedi, Pradeep Jangir, Dilip P. Ladumor","doi":"10.1109/ICEETS.2016.7583804","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7583804","url":null,"abstract":"In this work, the most common problem of the modern power system named optimal power flow (OPF) is optimized using the novel meta-heuristic optimisation algorithm Moth-Flame Optimizer (MFO). MFO is inspired by the navigation strategy of Moths in universe. MFO has a fast convergence rate due to use of roulette wheel selection method. In order to resolve the optimal power flow problem, standard IEEE-30 bus system is used. MFO is implemented for the solution of proposed problem. The problems considered in the OPF problem are Fuel Cost Reduction, Active Power Loss Minimization, and Reactive Power Loss Minimization. The results obtained by MFO is compared with other techniques such as Flower Pollination Algorithm (FPA) and Particle Swarm Optimizer (PSO). Results shows that MFO gives better optimisation values as compared with FPA and PSO that confirms the effectiveness of the suggested algorithm.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122892220","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: 14
Generalized modeling model of three phase induction motor 三相异步电动机的广义建模模型
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7583881
Tripti Rai, P. Debre
{"title":"Generalized modeling model of three phase induction motor","authors":"Tripti Rai, P. Debre","doi":"10.1109/ICEETS.2016.7583881","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7583881","url":null,"abstract":"This paper presents the dynamic simulation of 3-phase induction motor to analyze the performance of the induction machine. by using the reference frame theory. In this paper, Simulink implementation of the induction motor and its mathematical equations are explained in brief using MATLAB/Simulink. The Mathematical equations used for representing the dq0 model of induction motor are in the arbitrary reference frame. This model is useful to study the transient and steady state behavior of the induction motor.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"2016 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128737148","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: 24
Statistical estimation for fitting wind speed distribution 风速分布拟合的统计估计
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7582895
S. Chowdhury, S. Dhawan
{"title":"Statistical estimation for fitting wind speed distribution","authors":"S. Chowdhury, S. Dhawan","doi":"10.1109/ICEETS.2016.7582895","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7582895","url":null,"abstract":"Wind energy is a prime sector of the composite renewable energy sector which is supposed to be the prime energy producing force in years to come [1]. The ever increasing demand of wind energy and its renewable nature has led to an emphatic push in development of this sector. Wind speed has been one of those important parameters which form the basic element for design of any wind energy system. Thus, in order to build effective systems, exemplary assessment of wind speed deviation is single handedly the most mandatory parameter that is required to be studied. This leads us to investigate probability density functions which are used to describe wind speed frequency distributions. In this paper, we have modeled wind speed characteristics with respect to Weibull, Rayleigh, Gamma distributions and have simultaneously compared them with respect to statistical parameters such as Chi-square error test, Root mean square error and R2 test as ruling criteria to evaluate the pertinence of the respective distribution functions. Weibull and Gamma give a good fit with Weibull giving a better fit.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132906623","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
Linear quadratic regulator based current control of grid connected inverter for Renewable Energy Applications 基于线性二次调节器的可再生能源并网逆变器电流控制
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7582908
R. Vinifa, A. Kavitha
{"title":"Linear quadratic regulator based current control of grid connected inverter for Renewable Energy Applications","authors":"R. Vinifa, A. Kavitha","doi":"10.1109/ICEETS.2016.7582908","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7582908","url":null,"abstract":"Harnessing electrical power from Renewable Energy Sources (RES) to the grid in a more efficient way requires a power electronic converter. But the power electronic devices introduce harmonics thus affecting the quality of power. A high performance controller is essential to control the real and reactive power flow between the RES and grid without affecting the quality of power. In this paper, grid connected Renewable Energy System is modeled as single phase equivalent circuit and an optimal control law is derived using Linear Quadratic Regulator (LQR). The reference currents are generated using instantaneous real - reactive (p - q) theory to have low grid current Total Harmonic Distortion (THD) and power factor closer to unity in the grid side. To show the supremacy of the LQR method, simulation results are compared with the conventional Hysteresis Controller (HC) for three phase three wire system with balanced grid voltage conditions. It is inferred from the results that LQR is superior in its tracking ability and has better stability.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133898961","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: 10
Comparison of PI and Fuzzy logic controller implemented in an APF for renewable Power generation 可再生能源发电有源滤波器中PI与模糊控制器的比较
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7583809
Ashit P. Sharma, Jayesh B. Thakur, Siddhesh V. Surve, D. R. Singh, Siddhesh P. Sawant
{"title":"Comparison of PI and Fuzzy logic controller implemented in an APF for renewable Power generation","authors":"Ashit P. Sharma, Jayesh B. Thakur, Siddhesh V. Surve, D. R. Singh, Siddhesh P. Sawant","doi":"10.1109/ICEETS.2016.7583809","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7583809","url":null,"abstract":"In this paper, Active Power Filter (APF) is designed with predictive control scheme using Fuzzy logic controller. The APF consist of a DC link capacitor and a two level four leg voltage source inverter which compensates the current harmonic components and unbalanced current generated by non linear loads. To design the predictive algorithm, the equivalent impedance of the system is calculated by standard procedure. The simulation results show the compensation performance of the active filter and the control scheme under steady state and transient operating conditions. The trigonometric calculation are eliminated and the computational efforts are reduced due to the effective time concept. Simulation result of both PI and Fuzzy logic control are compared.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124706558","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
Voltage decay behaviour of super capacitor 超级电容器的电压衰减特性
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7583799
A. Latif, A. Sengupta, Meera Kumari, B. Bhattacharyya
{"title":"Voltage decay behaviour of super capacitor","authors":"A. Latif, A. Sengupta, Meera Kumari, B. Bhattacharyya","doi":"10.1109/ICEETS.2016.7583799","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7583799","url":null,"abstract":"Super-capacitor or ultra-capacitor in these days finds its use in many industrial applications. This paper presents a circuit by which we are trying to simulate the voltage decay of super capacitor. In this paper it is shown how a dc power supply can be made to decay just like the voltage decay of super capacitor at a certain fixed output current and output voltage for a buck DC-DC converter.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116009483","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
Closed loop control of high step up converter with focus on photovoltaic systems 以光伏系统为研究对象的高升压变换器闭环控制
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7582937
B. Bose
{"title":"Closed loop control of high step up converter with focus on photovoltaic systems","authors":"B. Bose","doi":"10.1109/ICEETS.2016.7582937","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7582937","url":null,"abstract":"The high step-up converter is inevitable in a photovoltaic system since it requires a sufficiently high step-up conversion. A high step up converter with coupled inductors could be used for this purpose due to its inherent advantages. It acts as an efficient interface between the PV system and the grid. The output obtained in such a system is found to be fluctuating with load variations. This could escalate numerous issues in the quality of output. A closed loop voltage mode control would be useful in disentangling this issue. The closed loop control is achieved by making use of a PIC microcontroller. The output of the converter is fed to the controller which in turn generates gate pulses to control the two MOSFET switches. The controller varies the duty ratio of the system in accordance to the fluctuations in the load voltage. Also the system is found to be effective while working in high input as well as low input conditions making it efficient during night time and also on rainy days. This study of a high step-up converter can inculcate a confidence that these researches can definitely bring about a revolution in the energy scenario of today.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115585974","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
Economic Load Dispatch problem with ramp rate limits and prohibited operating zones solve using Levy flight Moth-Flame optimizer 利用Levy飞行飞蛾-火焰优化器求解具有爬坡率限制和禁止操作区域的经济负荷调度问题
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI: 10.1109/ICEETS.2016.7583795
I. Trivedi, Arvind Kumar, Avani H. Ranpariya, Pradeep Jangir
{"title":"Economic Load Dispatch problem with ramp rate limits and prohibited operating zones solve using Levy flight Moth-Flame optimizer","authors":"I. Trivedi, Arvind Kumar, Avani H. Ranpariya, Pradeep Jangir","doi":"10.1109/ICEETS.2016.7583795","DOIUrl":"https://doi.org/10.1109/ICEETS.2016.7583795","url":null,"abstract":"A novel bio-inspired optimization algorithm based on the navigation strategy of Moths in universe called the Moth-Flame optimization (MFO) Algorithm, is exercised for Economic Load Dispatch problems. The navigating mechanism of moths in nature called transverse orientation, a very effective mechanism for traveling long distances in the straight direction. In fact, artificial lights trick moths, so they follow a deadly spiral path. MFO algorithm is integrated with levy flights to achieve the competitive results in case of both discrete and continuous control parameters. Levy flights or Levy distribution is a sophisticated randomization technique has a relevant role in both exploration and exploitation. Constrained optimization is a way of optimizing an objective function in presence of constraints on some control parameters. So Levy flights or Levy distribution is a sophisticated randomization technique is integrated with MFO and exercised on highly complex constrained economic load dispatch (ELD) problem with three different standard case study of 6 and 15 generating unit system without valve point effect including ramp rate limits (RRL) and prohibited operating zones (POZ) and 13-unit system with valve point effect loading. Integration of randomization Levy flights technique provides potential that Levy flights based MFO algorithm to attain optimal solution and faster convergence over standard MFO optimization algorithms.","PeriodicalId":215798,"journal":{"name":"2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114626789","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: 31
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