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2019 International Conference on Computation of Power, Energy, Information and Communication (ICCPEIC)最新文献

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An Improved GMPPT Technique Under Partial Shading Conditions for PV Array 光伏阵列部分遮阳条件下改进的GMPPT技术
Purva Nagvekar, R. Metri
PV solar is widely establishing technology which is considered as a promising source to replace the conventional technologies. But it has limited usage due to its limitations such as low efficiency, invariable nature etc. The efficiency of PV array is affected by one such factor that is called as partial shading condition. This partial shading condition is a state in which all the PV panels do not receive uniform irradiation and this leads to complex P-V characteristics. In such characteristics, there is only one global power peak and other are local power peaks. The presence of multiple peaks in partial shading condition on P-V curve make the conventional MPPT techniques such as Perturb and Observe, Incremental conductance etc ineffective. Thus, an improved global maximum power point tracking (GMPPT) technique is proposed which is used for detecting the global peak. This uses the hill climbing technique in modified form. This proposed technique will detect the global peak and thus will deliver maximum possible output during partial shading condition.
光伏太阳能是一种被广泛应用的技术,被认为是一种有希望取代传统技术的能源。但由于其效率低、性质不变性等局限性,其应用受到了限制。光伏阵列的效率受到其中一个因素的影响,即部分遮阳条件。这种部分遮阳条件是一种状态,在这种状态下,所有PV板都没有受到均匀的照射,这导致了复杂的P-V特性。在这种特性中,只有一个全局功率峰值,其他都是局部功率峰值。在部分遮阳条件下,P-V曲线上存在多峰现象,使得Perturb和Observe、Incremental conductivity等传统的MPPT技术失效。为此,提出了一种改进的全局最大功率点跟踪(GMPPT)技术,用于检测全局峰值。这是一种改良形式的爬山技术。这种提出的技术将检测全局峰值,从而在部分遮阳条件下提供最大可能的输出。
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引用次数: 1
Design and Application of m-Mutation Operator in Genetic Algorithm to Solve Traveling Salesman Problem 遗传算法中m-变异算子的设计与应用
D. N. Mudaliar, N. Modi
This research work intends to elucidate Traveling Salesman Problem, a variant of Symmetric Hamiltonian Cycle Problems more capably. A different mutation operator called m-mutation operator for genetic algorithm is proposed to solve this problem. The efficiency of proposed mutation operator is compared with existing mutation operators by retaining the same selection, crossover and fitness function. The mutation operator is tested with data from TSPLIB dataset. The intercity distance table of cities was input to the coded C program which implemented the proposed mutation operator. The same dataset was used to compare the performance of proposed mutation operator with other existing mutation operators. The results of the experiment confirm that proposed mutation operator searches better solutions quicker compared to other mutation operators.
本文的研究工作旨在对对称哈密顿循环问题的一个变体——旅行商问题进行更详尽的阐述。为了解决这一问题,提出了一种不同的变异算子m-变异算子。通过保留相同的选择、交叉和适应度函数,比较了所提突变算子与现有突变算子的效率。使用TSPLIB数据集的数据对突变算子进行了测试。将城市间距离表输入到编码的C程序中,该程序实现了所提出的变异算子。使用相同的数据集比较了所提出的变异算子与其他现有变异算子的性能。实验结果表明,与其他变异算子相比,所提出的变异算子能更快地搜索到更好的解。
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引用次数: 1
Investigation on Voltage Stability and Analysis of a Dynamic Power System Using Bifurcation Techniques 基于分岔技术的动态电力系统电压稳定性研究与分析
R. Karthikeyan, M. Rathinakumar
This paper analyzes the application of Bifurcation techniques in the investigation of voltage stability of a dynamic power system. Voltage stability analysis of a power system is necessary during the planning and operating stages of the power system. In the modern scenario where the power system is almost operated near to the stability margin, analysis of the voltage stability is obligatory. Bifurcation theory which holds good for voltage stability analysis has been applied to the IEEE 14 test bus system with dynamic components. The Continuation Power Flow (CPF) and Eigen value analysis was carried out. Initial studies showcase the existence of Saddle Node Bifurcation (SNB) and Hops bifurcation in the test case system. In order to improve the stability of the system Static Var Compensator (SVC) was introduced in the test bus system and the results shows a significant improvement in the voltage stability of the power system.
本文分析了分岔技术在动态电力系统电压稳定性研究中的应用。在电力系统规划和运行阶段,对电力系统进行电压稳定分析是十分必要的。在现代电力系统几乎在稳定裕度附近运行的情况下,电压稳定性分析是必须的。分岔理论适用于电压稳定性分析,并应用于具有动态元件的ieee14测试总线系统。进行了连续潮流(CPF)和特征值分析。初步研究表明,在测试用例系统中存在鞍节点分岔(SNB)和跳岔(Hops)。为了提高系统的稳定性,在试验母线系统中引入了静态无功补偿器(SVC),结果表明,系统的电压稳定性得到了显著改善。
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引用次数: 0
A New Interconnection Of Micro Grid Distributed Energy Sources Using Space Vector Multilevel Inverter 基于空间矢量多电平逆变器的新型微网分布式能源互联
S. Senthil, K. Ravi
This paper describes on a new compilation of micro grid era the usage of multilevel inverter. In this paper we have linked three renewable resources are parallel like wind turbine, PV cellular and Pico Hydel generator set to deliver strength to a exceptionally small assortment of residential, reputable of business building in a locality. The electricity is generated from renewable power resources and it's far connected to space vector primarily based multilevel inverter. Therefore the power is completely computerized for this reason the strength losses can be less, reduced switching sample losses and grids have the capacity to reply robotically to the versions in electric parameters answerable for the clean functioning of the grid [1]. Moreover, decrease prices of power switches in the new semiconductor technologies as well as the current demand on excessive overall performance inverters required through Renewable Energy Systems (RES) decreased total Harmonic distortion(THD) within the spectrum of switching waveform have extended the programs of Multilevel inverters.
本文介绍了新编译微网时代多电平逆变器的使用情况。在本文中,我们连接了三种平行的可再生资源,如风力涡轮机,光伏电池和Pico水力发电机组,为当地的小型住宅,信誉良好的商业建筑提供电力。该系统采用可再生能源发电,与空间矢量为主的多电平逆变器相连接。因此,电力是完全计算机化的,因此强度损失可以更少,减少了开关样本损耗,电网有能力自动响应电力参数的版本,以保证电网的清洁运行[1]。此外,新半导体技术中功率开关价格的下降以及可再生能源系统(RES)对逆变器整体性能要求过高的当前需求降低了开关波形频谱内的总谐波失真(THD),从而扩展了多电平逆变器的程序。
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引用次数: 1
A Control Strategy adopted for improving Transient Stability in EESG based Wind Turbines 一种提高电液发电机组暂态稳定性的控制策略
P. Shanmugapriya, J. Baskaran, C. Nayanatara
The increase in addition of new wind generation to the grid have several issues related to grid stability and security. The LVRT capability of wind turbine is one of the major concerns during the grid fault and many countries tail different LVRT requirements of grid codes to ensure the proper operation of wind turbine throughout the fault condition without tripping it from the grid. Consequently, the high penetration of DER to the grid requires an optional method for controlling active and reactive power injection during the normal operation condition and grid fault. This paper discusses about two significant technical solution for LVRT during grid connected mode and seamless transfer during islanding and stabilisation after islanding. The objective of this paper is to comprehend these challenges in implementation of LVRT capability in India in order to come up with appropriate solutions. Simulation results on a 2.3-MW EESG-based WECS using DIgSILENT/Power Factory environment demonstrate the effectiveness of the proposed LVRT scheme under both balanced and unbalanced grid voltage sags.
新增风力发电并网带来了几个与电网稳定性和安全性相关的问题。风电机组的LVRT能力是电网故障时人们关注的主要问题之一,许多国家对电网规范的LVRT提出了不同的要求,以确保风电机组在整个故障状态下正常运行而不脱网。因此,DER对电网的高渗透要求在正常运行状态和电网故障时,有一种控制有功和无功功率的可选方法。本文讨论了LVRT并网模式下的两种重要技术解决方案,以及孤岛期间的无缝输送和孤岛后的稳定。本文的目的是了解在印度实施LVRT能力的这些挑战,以便提出适当的解决方案。基于DIgSILENT/Power Factory环境的2.3 mw eesg WECS仿真结果表明,所提出的LVRT方案在平衡和不平衡电网电压跌落下都是有效的。
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引用次数: 1
Optimization of Load Frequency Control in Four Area Hydrothermal Interconnected Hybrid System using Grey Wolf Optimizer Algorithm 基于灰狼优化算法的四区热液互联混合系统负荷频率控制优化
A. Adhithan, J. Baskaran, S. A. Elankurisil
The proposed paper presents a new optimization technique for LFC in a 4-Area interconnected system when compared to conventional method of optimization technique. The advantage of proposed controlling technique is that it is quicker than the regular conventional control technique and can monitor the nonlinearities simultaneously. It is proved that the response of GWO (Grey Wolf Optimization) based controller is quicker than the conventional controllers, thereby reducing the oscillations. The resultant optimized method improves the dynamic response of a four area inter-connected hybrid system. The entire approach of comparing GWO and the conventional based controller was carried through MATLAB/SIMULINK software. This proposed controller gives better results and even faster than the conventional controller.
与传统的优化方法相比,本文提出了一种新的四区互联系统LFC优化方法。该控制方法的优点是速度比常规控制方法快,并且可以同时监测非线性。实验证明,基于灰狼优化的控制器响应速度比传统控制器快,从而减少了系统的振荡。所得到的优化方法提高了四区互联混合系统的动态响应。整个方法是通过MATLAB/SIMULINK软件对GWO和传统的基于控制器进行比较。该控制器比传统控制器具有更好的控制效果和更快的控制速度。
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引用次数: 0
Smart Toll Collection Using Li-Fi Technology 使用Li-Fi技术的智能收费系统
A. Ambika, M. Aswinkumar, M. Kamalesh, K. Naveen
There are large numbers of toll gates in the National Highways across the country. Most of the people find it very difficult to wait in a long queue because of manually operating toll gate system. This causes waste of time and fuel. This project provides a great solution to all these problems. Most recently, Li-Fi is a new emerging technology in the trend. Here, the concept of Li-Fi is used to eliminate this queue. In this project, the data transmission and reception is done by pic microcontroller. The data which is received by the Li-fi receiver is sent to the monitor for checking account balance. The account detail is showed in the LCD display. Here the Dc motor is used to drive the barrier. As we use the concept of Li-Fi, high speed data transfer is achieved. So that the technology used in this project eliminates the queue in the toll gates and helps the people to reach their destination on time.
在全国的国道上有大量的收费站。由于人工操作的收费站系统,大多数人都觉得排长队很困难。这会造成时间和燃料的浪费。这个项目为所有这些问题提供了一个很好的解决方案。最近,Li-Fi是一种新兴的技术趋势。在这里,Li-Fi的概念被用来消除这个队列。在本设计中,数据的传输和接收由pic单片机完成。Li-fi接收器接收到的数据被发送到监视器,用于检查账户余额。LCD显示屏显示帐号详细信息。在这里,直流电机被用来驱动屏障。当我们使用Li-Fi的概念时,可以实现高速数据传输。因此,本项目所采用的技术消除了在收费站排队的现象,帮助人们准时到达目的地。
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引用次数: 3
Feasibility Analysis for the Penetration of Electric Vehicles in India in Future 未来印度电动汽车渗透的可行性分析
Ankuja Jain, H. Jariwala, Uday Mhaskar
Globally, there has been a paradigm shift in the automotive industry. This paper deals with the very basic issue of measuring and estimating the future energy consumption by electric vehicle (EV) in India. So, first the future analysis is made to know the electric vehicle fleet and then the future energy consumption per year is estimated for 2030 considering different scenarios of 20%, 30% and 100% electrification of vehicles, as these targets are to be achieved by the government of India. Data of automobile production has been collected from the Society of Indian Automobiles Manufacturer (SIAM) and with that trend of production the future vehicles in 2030 has been estimated. For the different categories of automobiles the battery specifications of EV by different manufacturers has been collected and the average of those is taken for the analysis. Further, the average distance driven by each vehicle is assumed and for that the energy consumption annually has been estimated. This paper also depicts the cost saving analysis which elaborates the difference in cost when the conventional vehicles are used and when EV are used. As we know that the prices of fuel are exorbitantly rising which is a huge concern for the economy of the country. This analysis will estimate that the total cost saved if100% electrification of vehicles takes place which will undeniably a colossal boost to the economy of the country.
在全球范围内,汽车行业已经发生了范式转变。本文讨论了印度电动汽车未来能源消耗的测量和估算这一最基本的问题。因此,首先进行未来分析以了解电动汽车车队,然后考虑到车辆电气化的20%,30%和100%的不同情景,估计2030年未来每年的能源消耗,因为这些目标是由印度政府实现的。从印度汽车制造商协会(SIAM)收集了汽车生产的数据,并根据生产趋势估计了2030年的未来汽车。对于不同类别的汽车,收集了不同制造商的电动汽车电池规格,并取其平均值进行分析。此外,假设每辆车的平均行驶距离,并据此估计了每年的能源消耗。本文还进行了成本节约分析,阐述了使用传统车辆和使用电动汽车时的成本差异。正如我们所知,燃料价格正在过度上涨,这对该国的经济来说是一个巨大的问题。这一分析将估算出,如果汽车100%电气化,节省的总成本将不可否认地对该国的经济产生巨大的推动作用。
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引用次数: 0
Fault-Tolerant Structure for Cascaded H-bridge Multilevel Inverter using Relays 采用继电器的级联h桥多电平逆变器容错结构
Monika Patel, D. Pandya, Dhaval Y. Raval, Niral Yagnesh Yagnik
Cascaded H-bridge multilevel inverter (CHBMLI) is the most popular topology for high power industrial applications. There are total 4m number of power electronic switches in a CHBMLI having m numbers of modules (m$gt 1)$. Because of higher number of switches; the possibility of faults in switches is more. A fault-tolerant structure is proposed for CHBMLI having 3 modules. If any 1 out of 3 modules gets faulty; the remaining 2 healthy modules will continue delivering output voltage with the same amplitude and the same voltage level as in case of normal operation having all the 3 modules are healthy. In this way, the proposed fault-tolerant structure of CHBMLI improves the system reliability by preventing the breakdown of the whole system even if 1 out of 3 modules gets faulty.
级联h桥多电平逆变器(CHBMLI)是高功率工业应用中最流行的拓扑结构。一个CHBMLI有m个模块(m$gt 1)$,总共有400万个电力电子开关。因为有更多的开关;交换机故障的可能性较大。提出了一种具有3个模块的CHBMLI容错结构。如果3个模块中有1个出现故障;其余2个健康模块将继续提供与正常运行情况下相同振幅和相同电压水平的输出电压,所有3个模块都是健康的。这样,所提出的CHBMLI容错结构,即使3个模块中有1个出现故障,也不会导致整个系统崩溃,从而提高了系统的可靠性。
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引用次数: 4
Automated Biodiesel Producer Machine Using Microcontroller and Sensors. 使用微控制器和传感器的自动生物柴油生产机。
Shubham V. Bhutare, Manthan Patel, Prasad R. Bhale
Biodiesel is a biodegradable, combustible fuel made from vegetable oil and/or animal fats by the process of basic-catalyzed trans-esterification of oils. The main aim of our project is to develop a portable system which is fully automated by means of microcontroller and various sensors to produce Biodiesel from vegetable oil. The system will do whole process automatically once initiated. This will reduce the chances of any human errors in chemical reaction and also reduce human efforts. In India vegetable oil is wasted in huge quantity in hotels or by household means or in the temples based on the religious beliefs. So our system will convert the waste vegetable oil into the biodiesel by the process of trans-esterification. The main difference between conventional method of production of biodiesel and our system is that our system is fully automated and portable enough to carry from one place to other very easily. The whole process from mixing the chemicals to providing the necessary reaction conditions [like particular temperature and stirring for the chemical reaction all the process is done by sensors and actuators and all the process is controlled by means of the central controlling unit i.e. microcontroller. Once the system is activated it will stop after the reaction is completed i.e. the reactants are exhausted. Our system can be used at small scale for house hold purpose also as it will not require any skills to operate our system. The system we are proposing is much cost efficient and in the ambit of almost every earning fellow. The chemicals we are using are easily available and not so much costly.
生物柴油是一种可生物降解的可燃燃料,由植物油和/或动物脂肪通过油的碱催化反式酯化过程制成。我们项目的主要目的是开发一种便携式系统,该系统通过微控制器和各种传感器实现全自动,从植物油中生产生物柴油。一旦启动,系统将自动完成整个过程。这将减少化学反应中任何人为错误的机会,也减少了人类的努力。在印度,植物油被大量浪费在酒店、家庭或基于宗教信仰的寺庙里。因此,我们的系统将废植物油通过反式酯化反应转化为生物柴油。传统生产生物柴油的方法与我们的系统的主要区别在于,我们的系统是全自动的,并且非常便携,可以很容易地从一个地方携带到另一个地方。从混合化学品到提供必要的反应条件(如化学反应的特定温度和搅拌)的整个过程,所有的过程都是由传感器和执行器完成的,所有的过程都是由中央控制单元即微控制器控制的。一旦系统被激活,它将在反应完成后停止,即反应物被耗尽。我们的系统可以用于小规模的家庭用途,因为它不需要任何技能来操作我们的系统。我们提出的系统成本效益很高,几乎每个赚钱的人都可以使用。我们使用的化学药品很容易买到,而且价格也不贵。
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引用次数: 0
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2019 International Conference on Computation of Power, Energy, Information and Communication (ICCPEIC)
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