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Solving OPF Problems using Biogeography Based and Grey Wolf Optimization Techniques 利用生物地理学和灰狼优化技术求解OPF问题
Pub Date : 2017-07-01 DOI: 10.4018/IJEOE.2017070103
Kingsuk Majumdar, Puja Das, P. Roy, Subrata Banerjee
Thispaperpresentsbiogeography-basedoptimization(BBO)andgreywolfOptimization(GWO)for solvingthemulti-constrainedoptimalpowerflow(OPF)problemsinthepowersystem.Inthispaper, theproposedalgorithmshavebeentestedin9-bussystemundervariousconditionsalongwithIEEE 30bustestsystem.Acomparisonofsimulationresultsrevealsoptimizationefficacyoftheproposed schemeoverevolutionaryprogramming(EP),geneticalgorithm(GA),mixed-integerparticleswarm optimization(MIPSO)fortheglobaloptimizationofmulti-constraintOPFproblems.Itisobserved thatGWOisfarbetterincomparisontootherlistedoptimizationtechniquesandcanbeusedfor aforesaidproblemswithhighefficiency. KEyWORdS Biogeography Based Optimization, Grey Wolf Optimization, Migration, Mutation, Optimal Power Flow
Thispaperpresentsbiogeography-basedoptimization(BBO)andgreywolfOptimization(GWO)for solvingthemulti-constrainedoptimalpowerflow(OPF)problemsinthepowersystem。Inthispaper, theproposedalgorithmshavebeentestedin9-bussystemundervariousconditionsalongwithIEEE 30bustestsystem。Acomparisonofsimulationresultsrevealsoptimizationefficacyoftheproposed schemeoverevolutionaryprogramming(EP),geneticalgorithm(GA),mixed-integerparticleswarm optimation_ (MIPSO)fortheglobaloptimizationofmulti-constraintOPFproblems。Itisobserved thatGWOisfarbetterincomparisontootherlistedoptimizationtechniquesandcanbeusedfor aforesaidproblemswithhighefficiency。关键词:基于生物地理学的优化,灰狼优化,迁移,突变,最优潮流
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引用次数: 5
Multi-Fuel Power Dispatch in an Interconnected Power System using Ant Lion Optimizer: Multi-Fuel Dispatch Considering Tie-Line Limits 基于蚁狮优化器的互联电力系统多燃料调度:考虑联络线限制的多燃料调度
Pub Date : 2017-07-01 DOI: 10.4018/IJEOE.2017070102
P. Balachandar, S. Ganesan, N. Jayakumar, S. Subramanian
The electrical power generation from fossil fuel releases several contaminants into the air and this become excrescent if the generating unit is fed by Multiple Fuel Sources MFS.The ever more stringent environmental regulations have forced the power producers to produce electricity not only at the cheapest price but also at the minimum level of pollutant emissions. Inclusion of this issue in the operational task is a welcome perspective. The cost effective and environmental responsive power system operations in the presence of MFS can be recognized as a multi-objective constrained optimization problem with conflicting operational objectives. The modern meta-heuristic algorithm namely, Ant Lion Optimizer ALO has been applied for the first time to obtain the feasible solution. The fuzzy decision-making mechanism has been integrated to determine the Best Compromise Solution BCS in the multi-objective framework. The intended algorithm is implemented on the standard test systems considering valve-point effects, CO2 emission and tie-line limits.
化石燃料发电会向空气中释放几种污染物,如果发电机组由多种燃料源MFS供电,这种污染物就会变得多余。日益严格的环境法规迫使电力生产商不仅要以最便宜的价格发电,而且要以最低的污染物排放水平发电。将这个问题纳入操作任务是一个受欢迎的观点。存在MFS的电力系统的经济高效和环境响应运行可以看作是一个运行目标相互冲突的多目标约束优化问题。本文首次应用现代元启发式算法蚂蚁狮优化器ALO求解问题的可行解。利用模糊决策机制确定多目标框架下的最佳妥协方案。在考虑阀点效应、二氧化碳排放和联络线限制的标准测试系统上实现了预期算法。
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引用次数: 8
Sustainable Development Dilemmas of Biofuels Research and Production: A Snapshot in South Africa 生物燃料研究和生产的可持续发展困境:南非的快照
Pub Date : 2017-04-01 DOI: 10.4018/IJEOE.2017040102
L. Ngubevana
Global warming due to greenhouse gas emissions and the growing energy needs of the world, has forced the world into thinking differently about energy sources and sustainable development, giving rise to the field of biofuels. Research and introduction of new technologies do, by their very nature, look to bring about positive change in society. Often though, changes result in unintended, unexpected, unforeseen, unforeseeable and unaddressed consequences. It often becomes the role of ethics protocols to militate against these negative consequences. In trying to establish the levels of awareness among South African researchers and producers of biofuels, to the sustainable development dilemmas brought about by their work; the “Five Capitals Framework†and a research ethics protocol, research was carried out at three South African businesses, generating data from interviews and collaborating with data from company publications. The study concluded that industry was indeed aware of the dilemmas that face their industry albeit that it was not in the context of a defined necessary framework.
由于温室气体排放和世界能源需求的不断增长,全球变暖迫使世界对能源和可持续发展进行不同的思考,从而产生了生物燃料领域。研究和引进新技术,就其本质而言,确实希望给社会带来积极的变化。然而,变化通常会导致意想不到的、意想不到的、无法预见的、无法预见的和无法解决的后果。它经常成为伦理协议的角色,以防止这些负面后果。在努力确定南非生物燃料的研究人员和生产者对其工作所带来的可持续发展困境的认识水平;根据 - œFive首都框架和研究伦理协议,在三家南非企业进行了研究,从访谈中获得数据,并与公司出版物中的数据进行合作。该研究的结论是,行业确实意识到其行业面临的困境,尽管它没有在一个明确的必要框架的背景下。
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引用次数: 1
Economic Load Dispatch Using Oppositional Backtracking Search Algorithm 基于反向回溯搜索算法的经济负荷调度
Pub Date : 2017-04-01 DOI: 10.4018/IJEOE.2017040105
Moumita Pradhan, P. Roy, T. Pal
In this paper, an oppositional backtracking search algorithm (OBSA) is proposed to solve the large scale economic load dispatch (ELD) problem. The main drawback of the conventional backtracking search algorithm (BSA) is that it produces a local optimal solution rather than the global optimal solution. The proposed OBSA methodology is a highly-constrained optimization problem has to minimize the total generation cost by satisfying several constraints involving load demand, generation limits, prohibited operating zone, ramp rate limits and valve point loading effect. The proposed method is applied for three test systems and provides the unique and fast solutions. The new heuristic OBSA approach is successfully applied in three test systems consisting of 13 and 140 thermal generators. The test results are judged against various methods. The simulation results show the effectiveness and accuracy of the proposed OBSA algorithm over other methods like conventional BSA, oppositional invasive weed optimization (OIWO), Shuffled differential evolution (SDE) and oppositional real coded chemical reaction optimization (ORCCRO). This clearly suggests that the new OBSA method can achieve effective and feasible solutions of nonlinear ELD problems.
针对大规模经济负荷调度问题,提出了一种反向回溯搜索算法。传统回溯搜索算法(BSA)的主要缺点是产生的是局部最优解,而不是全局最优解。提出的OBSA方法是一个高度约束的优化问题,必须通过满足负载需求、发电限制、禁止操作区域、匝道速率限制和阀点负载效应等几个约束来最小化总发电成本。该方法已应用于三个测试系统,并提供了独特、快速的解决方案。新的启发式OBSA方法成功地应用于由13台和140台热机组成的三个测试系统中。测试结果是根据各种方法来判断的。仿真结果表明,该算法与传统的BSA、对抗入侵杂草优化(OIWO)、shuffle差分进化(SDE)和对抗实编码化学反应优化(ORCCRO)等方法相比,具有较好的有效性和准确性。这清楚地表明,新的OBSA方法可以实现非线性电场问题的有效和可行的求解。
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引用次数: 2
A Feasibility Study in Energy Harvesting from Piezoelectric Keyboards 压电键盘能量收集的可行性研究
Pub Date : 2017-04-01 DOI: 10.4018/IJEOE.2017040101
T. Page
The aim of the study was to investigate as to whether piezoelectric energy harvesting could be a viable contributor to a source of renewable energy for the future. Here, a keyboard usage study was conducted using a data gathering computer program called WhatPulse in which participants and their keyboards were monitored for one week. The results were used in conjunction with power output figures from work done by Wacharasindhu and Kwon (2008) who prototyped a piezoelectric keyboard and found it was capable of producing 650 µJ of energy per keystroke. The results from this study suggest piezoelectric keyboards could not be used to create self-sustaining systems for any of the devices proposed. Further uses for the stored energy have been suggested but the question to the viability of piezoelectric keyboards as a useful energy source looks discouraging. Other applications for the technology could be explored to enhance power output and utilise larger amounts of vibrational energy.
这项研究的目的是调查压电能量收集是否可以成为未来可再生能源的一种可行的来源。在这里,使用一个名为WhatPulse的数据收集计算机程序进行了一项键盘使用情况研究,参与者和他们的键盘被监测了一周。研究结果与Wacharasindhu和Kwon(2008)所做的工作的功率输出数据相结合,他们制作了一个压电键盘的原型,发现每次按键能够产生650 µJ的能量。这项研究的结果表明,压电键盘不能用于为任何提出的设备创建自我维持的系统。储存能量的进一步用途已经提出,但压电键盘作为一种有用的能量来源的可行性问题看起来令人沮丧。可以探索该技术的其他应用,以提高功率输出和利用更多的振动能量。
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引用次数: 3
Neural Fuzzy Control of Ball and Beam System 球梁系统的神经模糊控制
Pub Date : 2017-04-01 DOI: 10.4018/IJEOE.2017040104
Ashwani Kharola, P. Patil
This paper presents an offline control of ball and beam system using fuzzy logic. The objective is to control ball position and beam orientation using fuzzy controllers. A Matlab/Simulink model of the proposed system has been designed using Newton's equations of motion. The fuzzy controllers were built using seven gbell membership functions. The performance of proposed controllers was compared in terms of settling time, steady state error and overshoot. The simulation results are shown with the help of graphs and tables which illustrates the effectiveness and robustness of proposed technique.
本文提出了一种基于模糊逻辑的球梁系统离线控制方法。目的是利用模糊控制器控制球的位置和光束的方向。利用牛顿运动方程设计了该系统的Matlab/Simulink模型。利用7个贝尔隶属函数建立了模糊控制器。从稳定时间、稳态误差和超调量三个方面比较了所提控制器的性能。仿真结果用图形和表格显示,说明了该方法的有效性和鲁棒性。
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引用次数: 2
A Hybrid PSO-LEVY Flight Algorithm Based Fuzzy PID Controller for Automatic Generation Control of Multi Area Power Systems: Fuzzy Based Hybrid PSO for Automatic Generation Control 基于混合PSO- levy飞行算法的多区域电力系统自动生成控制模糊PID控制器
Pub Date : 2017-04-01 DOI: 10.4018/IJEOE.2017040103
Ajit Kumar Barisal, T. Panigrahi, S. Mishra
This article presents a hybrid PSO with Levy flight algorithm (LFPSO) for optimization of the PID controllers and employed in automatic generation control (AGC) of nonlinear power system. The superiority of the proposed LFPSO approach has been demonstrated with comparing to recently published Lozi map-based chaotic optimization algorithm (LCOA) and Particle swarm optimization to solve load-frequency control (LFC) problem. It is found that the proposed LFPSO method has robust dynamic behavior in terms of settling times, overshoots and undershoots by varying the system parameters and loading conditions from their nominal values as well as size and locations of disturbance. Secondly, a three-area thermal power system is considered with nonlinear as Generation Rate Constraints (GRC) and outperforms to the results of Bacteria Foraging algorithm based integral controller as well as hybrid Differential Evolution and Particle Swarm Optimization based fuzzy PID controller for the similar power system. Finally, the proficiency of the proposed controller is also verified by random load patterns.
提出了一种基于Levy飞行算法的混合粒子群算法(LFPSO),用于PID控制器的优化,并将其应用于非线性电力系统的自动生成控制(AGC)中。通过与最近发表的基于Lozi映射的混沌优化算法(LCOA)和粒子群优化算法进行比较,证明了LFPSO方法在解决负载频率控制(LFC)问题上的优越性。通过改变系统参数和加载条件的标称值,以及扰动的大小和位置,所提出的LFPSO方法在沉降时间、超调和欠调方面具有鲁棒的动态特性。其次,考虑具有非线性发电速率约束(GRC)的三区火电系统,其控制效果优于基于细菌觅食算法的积分控制器以及基于混合差分进化和粒子群优化的模糊PID控制器。最后,通过随机负载模式验证了所提控制器的熟练程度。
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引用次数: 24
Analysing of Harmonics Affecting the Energy Quality in Opium Alkaloids Plant's Power System 鸦片生物碱厂电力系统谐波对电能质量的影响分析
Pub Date : 2016-10-01 DOI: 10.4018/IJEOE.2016100102
Y. Oğuz, M. Şahin, Yılmaz Güven, Hatice Zeliha Tugcu
The quality of energy has been defined to control harmonics caused by non-linear loads and international standards were brought to overcome the harmonic related problems. In determining the power quality, parameters like current-voltage harmonic, transient, flicker, current and voltage imbalance between phases, K factor are examined according to these international standards. The biggest disadvantage of harmonics is that they do not affect the power quality over an individual network but also affect the entire energy system primarily neighbouring facilities. Therefore, the energy system of Opium Alkaloids Plant was examined by using measurements information of current and voltage harmonics affecting the energy quality. And, it has been determined that the harmonics have a negative impact on energy quality. According to these findings, it has been proposed to install a well-designed filter for elimination of harmonics. Besides, it has been emphasised that new hardwares and devices should be chosen to support this harmonic filtering system in the future. KEywORdS Capacitor, Energy Quality, Harmonics, Power Systems, Reactive Power
为了控制非线性负荷引起的谐波,对能源质量进行了定义,并引入了国际标准来解决谐波相关问题。在确定电能质量时,根据这些国际标准检查了电流-电压谐波、暂态、闪变、相间电流电压不平衡、K因子等参数。谐波的最大缺点是,它们不影响单个网络的电能质量,但也会影响整个能源系统,主要是邻近的设施。为此,利用影响电能质量的电流谐波和电压谐波测量信息,对鸦片生物碱厂的电能系统进行了研究。并且,已经确定谐波对能源质量有负面影响。根据这些发现,有人建议安装一个设计良好的滤波器来消除谐波。此外,还强调了未来应该选择新的硬件和设备来支持这种谐波滤波系统。关键词电容器,电能质量,谐波,电力系统,无功功率
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引用次数: 2
Computing of the Ground State Energy of a Hydrogen Like Impurity in a Spherical Quantum Dot using QPSO Algorithm 用量子粒子群算法计算球形量子点中类氢杂质的基态能量
Pub Date : 2016-10-01 DOI: 10.4018/IJEOE.2016100103
M. Omran
In this work, quantum particle swarm optimization (QPSO1) algorithm method is applied to the problem of impurity at the center of a spherical quantum dot for infinite confining potential case. For this purpose, a trial variational wave function is considered for ground state, and then energy values are calculated as a function of the radius of a spherical quantum dot. Also, the evolution of the energy eigenvalue for different dot radii and different optimized parameter is determined. The energy converges remarkably fast, after a few numbers of iteration. In comparison with the two other available methods, standard variational procedure and genetic algorithm method (GA), the results coming out from QPSO algorithm are in more satisfactory agreement with the real values.
本文将量子粒子群优化(QPSO1)算法应用于无限限制势情况下球形量子点中心杂质问题。为此,考虑基态的试变分波函数,然后计算能量值作为球形量子点半径的函数。确定了不同点半径和不同优化参数下能量特征值的演化规律。经过几次迭代后,能量的收敛速度非常快。与标准变分法和遗传算法(GA)进行比较,QPSO算法得到的结果与实际值吻合较好。
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引用次数: 0
A Comparative Study of Improved Teaching Learning Based Optimization Technique on Economic Load Dispatch Problem with Generator Constraints 发电机约束下经济负荷调度问题改进教学优化技术的比较研究
Pub Date : 2016-10-01 DOI: 10.4018/IJEOE.2016100101
Sumit Banerjee, C. K. Chanda, D. Maity
This article presents a novel improved teaching learning based optimization (I-TLBO) technique to solve economic load dispatch (ELD) problem of the thermal plant without considering transmission losses. The proposed methodology can take care of ELD problems considering practical nonlinearities such as ramp rate limit, prohibited operating zone and valve point loading. The objective of economic load dispatch is to determine the optimal power generation of the units to meet the load demand, such that the overall cost of generation is minimized, while satisfying different operational constraints. I-TLBO is a recently developed evolutionary algorithm based on two basic concepts of education namely teaching phase and learning phase. The effectiveness of the proposed algorithm has been verified on test system with equality and inequality constraints. Compared with the other existing techniques demonstrates the superiority of the proposed algorithm.
本文提出了一种新的改进的基于教学的优化方法(I-TLBO)来解决不考虑输电损耗的热电厂经济负荷调度问题。所提出的方法可以考虑实际非线性问题,如斜坡速率限制、禁止操作区域和阀点负载。负荷经济调度的目标是在满足不同运行约束的情况下,确定机组的最优发电量以满足负荷需求,使发电总成本最小。I-TLBO是近年来发展起来的一种基于教学阶段和学习阶段两个教育基本概念的进化算法。在具有等式和不等式约束的测试系统上验证了该算法的有效性。通过与其他现有技术的比较,证明了该算法的优越性。
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引用次数: 4
期刊
Int. J. Energy Optim. Eng.
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