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2014 1st International Conference on Non Conventional Energy (ICONCE 2014)最新文献

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Status of all branches of distribution networks in chronological order using distributed generation at optimal position 采用分布式发电的配电网各分支按时间顺序在最优位置的状态
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808693
S. Saha, Sumit Banerjee, C. K. Chanda
This paper presents status of all branches of radial distribution networks in chronological order using distributed generation at optimal position by considering the concept of reactive loading index technique. Although under different situations for all the branches the identified weakest branch remains same up to some specified conditions but the corresponding loading at different branches in chronological order has been categorically identified. The effectiveness of the proposed idea has been successfully tested on 12.66 kV radial distribution systems consisting of 33 nodes and the results are found to be in very good agreement.
考虑无功负荷指标技术的概念,按时间顺序给出了分布发电在最优位置的径向配电网各支路的状态。虽然在不同的情况下,对于所有的分支,识别出的最弱分支在某些特定条件下保持不变,但在不同的分支上按时间顺序对应的载荷已经被分类确定。在由33个节点组成的12.66 kV径向配电系统上成功地验证了该方法的有效性,结果非常吻合。
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引用次数: 0
A strategy of smart and hybrid power distribution systems 智能混合配电系统策略
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808721
T. Halder, Ayan Mandal, R. P. Modi, Dipanwita Maji, S. Mukherjee, R. Banerjee, Partha Pratim Chowdhuri, P. K. Sharma, Dipanjan Roy
This paper palpably puts forward a new approach of a tidy and hybrid system to distribute uninterruptible and good quality of power to customers. This smart system not only envisages AC to DC conversions and DC to AC conversions to improve the reliability, efficiency, and better revenue collections of the utilities but also highlights the performance between the proposed strategy and conventional AC distribution systems.
本文提出了一种整洁、混合的电力系统为用户提供不间断、优质电力的新途径。该智能系统不仅设想了交流到直流的转换和直流到交流的转换,以提高可靠性、效率和更好的收入,而且还强调了所提出的策略与传统交流配电系统之间的性能。
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引用次数: 6
Statistical analysis of wind speed data using Weibull distribution parameters 用威布尔分布参数对风速数据进行统计分析
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808712
Anurag Chauhan, R. Saini
Wind speed is the most significant parameter for designing wind energy conversion system. In the present paper, statistical methods are used to analyze the wind speed data of the site Harshnath, situated in the Sikar district of the Indian state Rajasthan. Present analysis is carried out for two hub heights of 25 m and 65 m using Weibull distribution parameters based on monthly mean wind speed data of the selected location. From the analysis, it has been found that most probable wind speeds are 5.881 and 6.775 m/s and wind speed for maximum energy are 6.630 m/s and 7.439 m/s for considered hub heights respectively. The site has annual mean energy density of 110.006 kWh/m2 and 160.430 kWh/m2 at hub height of 25 m and 65 m respectively. Wind turbine model is also suggested based on capacity factor and annual mean energy output.
风速是设计风能转换系统最重要的参数。本文采用统计方法对印度拉贾斯坦邦锡卡尔地区的Harshnath站点的风速数据进行了分析。本文基于选定地点的月平均风速数据,利用威布尔分布参数对25 m和65 m两个轮毂高度进行了分析。分析发现,在考虑轮毂高度时,最可能风速分别为5.881和6.775 m/s,最大能量风速分别为6.630 m/s和7.439 m/s。枢纽高度为25 m和65 m时,站点年平均能量密度分别为110.006 kWh/m2和160.430 kWh/m2。提出了基于容量因子和年平均发电量的风力机模型。
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引用次数: 42
Simulation and analysis of DFIG system with wind turbine implementing fuzzy logic controller 采用模糊逻辑控制器的风力发电机DFIG系统仿真与分析
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808711
Shivraj Sharma
This paper presents a new control method for doubly fed induction generator (DFIG) under conditions of unbalanced network. Under unbalanced supply voltage, common DC-link voltage is controlled by grid side converter (GSC) and control of stator output active and reactive power is controlled by rotor side converter (RSC). To control the positive sequence current of the GSC and RSC a new fuzzy logic controller is proposed. Implementing fuzzy logic controller results more precise output in positive synchronous reference frame and simultaneous elimination of torque and total active power oscillations along with both positive and negative sequence current. The simulation and analysis is done in MATLAB/SIMULINK tool.
提出了一种在不平衡网络条件下双馈感应发电机(DFIG)控制的新方法。在供电电压不平衡的情况下,直流共电压由电网侧变流器控制,定子输出有功功率和无功功率由转子侧变流器控制。为了控制GSC和RSC的正序电流,提出了一种新的模糊控制器。采用模糊控制器可以使正同步参考系的输出更加精确,同时消除了转矩和总有功功率随正负序电流的振荡。仿真分析在MATLAB/SIMULINK工具中完成。
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引用次数: 5
Study on piezoelectric elements for energy harvesting 能量收集用压电元件的研究
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808737
N. Manna
Energy is essential in building up modern society. Energy is being utilized at an increasing rate for the sustenance and wellbeing of mankind. Energy in form of electricity is required everywhere - in domestic needs, industries, agriculture sectors. The increasing demand of electricity requires energy conservation and energy management. Conventional energy resource in form of electricity is cost effective. However this may not be suitable for some applications like portable instruments or the equipments used at remote areas. Scientists and engineers are looking for alternate energy sources and succeeded in some areas like solar energy, biogas, windmill etc. They may not be cost effective and there are several disadvantages in these sources. Piezo-electric generator (PEG) is one type of non-conventional energy source that can convert mechanical energy to electrical energy. Though their energy conversion is very low, but they may be used in some typical applications of portable and low power consuming devices. In this paper some investigation has been made how energy can be extracted from piezo-electric generators and efficiency can be improved.
能源对建设现代社会是必不可少的。能源正以越来越快的速度被用于人类的生存和福祉。任何地方都需要电力形式的能源——家庭需求、工业、农业部门。日益增长的电力需求要求节能和能源管理。电力形式的传统能源具有成本效益。然而,这可能不适合某些应用,如便携式仪器或在偏远地区使用的设备。科学家和工程师正在寻找替代能源,并在一些领域取得了成功,如太阳能、沼气、风车等。它们可能不具有成本效益,而且这些来源有几个缺点。压电发电机(PEG)是一种将机械能转化为电能的非常规能源。虽然它们的能量转换很低,但它们可以用于一些典型的便携式和低功耗设备的应用中。本文就如何从压电发电机中提取能量,提高发电效率进行了探讨。
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引用次数: 5
Automatic generation control by SMES-SMES controllers of two-area hydro-hydro system 双区水力发电系统中小企业控制器的自动发电控制
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808731
Adhit Roy, S. Dutta, P. Roy
In this paper, oppositional biogeography based optimization (OBBO) algorithm for load frequency control with interconnected two-area hydro-hydro power system have been investigated. As a consequence of continually load variation, the frequency of the power system changes over time. To stabilize the system frequency oscillations, the active power can be controlled via superconducting magnetic energy storage device (SMES). The significant improvement of optimal transient performance is observed with the addition of SMES unit fitted in both areas. Analysis reveals that SMES unit fitted in either of the areas is as effective as SMES units fitted in both the areas and improves the dynamic performances to a considerable extent following a load disturbance in either of the areas. Gains of the integral controller in LFC loop and parameters of SMES are optimized with the help of OBBO technique. The performance of the proposed OBBO based controller is better as compared with BBO, CRPSO and RGO controller in the presence of SMES. The simulation results indicate the superiority of the proposed OBBO based controller with SMES in terms of system oscillations, settling time and frequency deviation.
本文研究了基于对立生物地理的两区互联水电系统负荷频率优化算法。由于负荷不断变化,电力系统的频率随时间而变化。为了稳定系统的频率振荡,可以通过超导磁储能装置(SMES)来控制有功功率。在两区均安装了SMES装置后,优化暂态性能得到了显著改善。分析表明,安装在任何一个区域的中小企业单元与安装在两个区域的中小企业单元一样有效,并且在相当程度上改善了任何一个区域的负载扰动后的动态性能。利用OBBO技术对LFC环积分控制器的增益和SMES参数进行了优化。与BBO、CRPSO和RGO控制器相比,本文提出的基于OBBO的控制器在中小企业存在下的性能更好。仿真结果表明,基于OBBO的SMES控制器在系统振荡、稳定时间和频率偏差方面具有优越性。
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引用次数: 8
Effect of blends of two kind of biodiesel on performance and emission of single cylinder DI diesel engine 两种生物柴油掺混对单缸直喷式柴油机性能和排放的影响
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808700
E. R. Deore, M. Patil, R. S. Jahagirdar
Petroleum fuel resources are now depleting at a faster rate. Due to this reason many researchers are now attracted towards the biodiesel. India is having a large potential of Jatropha and Karanja seeds. These seeds are the source of biodiesel. More over these are not the human food grains. Refereeing to the availability at the fields these two kinds of seed fuels can be blended together as fuel instead of diesel with no any major modification in an engine. Hence main aim of this research was to blend Jatropha and Karanja biodiesel and testing these fuels for a diesel engine. Two kinds of biodiesel Jatropha and Karanja are blended in different proportions. Basically percentage of Karanja in Jatropha fuel was varied. These blends are then tested on single cylinder DI diesel engine. Results show that the Energy performance of diesel engine was deteriorated with the addition of Karanja biodiesel in Jatropha biodiesel. However emission performance was improved.
石油燃料资源正在以更快的速度消耗。由于这个原因,生物柴油吸引了许多研究人员。印度在麻疯树和卡兰贾种子方面有很大的潜力。这些种子是生物柴油的来源。更重要的是,这些都不是人类的粮食。考虑到现场的可用性,这两种种子燃料可以混合在一起作为燃料代替柴油,而无需对发动机进行任何重大修改。因此,这项研究的主要目的是混合麻疯树和Karanja生物柴油,并测试这些燃料用于柴油发动机。将麻风树和Karanja两种生物柴油按不同比例混合。基本上麻风树燃料中Karanja的百分比是不同的。然后在单缸直喷式柴油机上对这些混合物进行测试。结果表明,在麻疯树生物柴油中添加Karanja生物柴油会使柴油机的能源性能下降。然而,发射性能得到了改善。
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引用次数: 2
A novel design of Super-Capacitor used to enhance solar-energy restoration of photo-voltaic cells 一种用于增强光伏电池太阳能恢复的新型超级电容器设计
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808683
S. Das, Aritra Dey, Aniruddha Biswas, A. Mohanty
Scarcity of conventional energy makes world feel the urge of alternatives that is non-conventional source of energy. In this paper, we propose a technique to efficiently store solar-energy by introducing Enhanced-Super-Capacitors (ESCs). A new technology, the super capacitor, has emerged with the potential to enable major advancement in energy storage. Super capacitors are governed by the same fundamental equations as conventional capacitors, but utilize higher surface area electrodes and thinner dielectrics to achieve greater capacitances. This allows for energy densities greater than those of conventional capacitors and power densities greater than those of batteries. As a result, super capacitors may become an attractive power solution for an increasing number of applications. The proposed model of the super capacitor would help in reducing the cost of Solar cells and also increasing their efficiency, thus would be a step ahead in meeting the energy demands of the ever-increasing population both in an effective and sustainable manner.
传统能源的稀缺,使世界迫切需要非传统的替代能源。在本文中,我们提出了一种通过引入增强型超级电容器(ESCs)来高效存储太阳能的技术。一种新技术,超级电容器,已经出现,有可能使能源储存取得重大进展。超级电容器与传统电容器由相同的基本方程控制,但利用更高的表面积电极和更薄的电介质来实现更大的电容。这使得能量密度大于传统电容器,功率密度大于电池。因此,超级电容器在越来越多的应用中可能成为一种有吸引力的电源解决方案。所提出的超级电容器模型将有助于降低太阳能电池的成本,并提高其效率,从而在以有效和可持续的方式满足不断增长的人口的能源需求方面迈出了一步。
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引用次数: 2
CNG-HOME operated dual fuel and HCCI engines CNG-HOME使用双燃料和HCCI发动机
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808704
N. Banapurmath, S. Khandal, S. M. Bagi, S. Kulkarni
The looming extinction of fossil fuels and their hazardous environmental impact caused by automotive systems has led to the use of alternative combustion strategies and renewable fuels for IC engines. Conventional CI engines due to their heterogeneous combustion emit large amount of particulate matter and the major concern regarding diesel engine is that high NOx emissions. However this problem can be resolved by using an advanced combustion technology named as Homogeneous Charge Compression Ignition (HCCI). HCCI has potential to substantially reduce particulates and NOx simultaneously and deliver efficiencies comparable to conventional CI combustion. Dual fuel approach is a well-established technique to make use of different types of fuels in diesel engines and the main advantage of such engines is their lower smoke, HC emissions. In the present work, experimental investigations were carried out on a single cylinder four stroke compression ignition (CI) engine fuelled with diesel in single fuel mode and CNG and HOME injection in a modified dual fuel mode AND using HCCI operation mode. Gaseous fuel like CNG was injected into the intake manifold using a suitable injector and Electronic Control Unit (ECU) facilities. From the results obtained, it is observed that HCCI engines yielded better results than dual fuel engines in conventional mode. However, emissions such as NOx and smoke were lower whereas emissions like HC and CO was increased. The NOx and smoke emissions were decreased to about 98% and 90 - 94% respectively.
随着化石燃料的逐渐消失,以及汽车系统对环境造成的危险影响,内燃机采用了替代燃烧策略和可再生燃料。传统CI发动机由于其非均匀燃烧而排放大量颗粒物质,而柴油发动机主要关注的是高NOx排放。然而,这个问题可以通过使用一种先进的燃烧技术来解决,这种技术被称为均匀装药压缩点火(HCCI)。HCCI有可能同时大幅减少颗粒物和氮氧化物,并提供与传统CI燃烧相当的效率。双燃料方法是一种成熟的技术,在柴油发动机中使用不同类型的燃料,这种发动机的主要优点是它们的低烟,HC排放。在单缸四冲程压缩点火(CI)发动机上进行了实验研究,该发动机在单燃料模式下使用柴油,在改进的双燃料模式下使用CNG和HOME喷射,并使用HCCI操作模式。使用合适的喷油器和电子控制单元(ECU)设施将气体燃料(如CNG)注入进气歧管。结果表明,在常规工况下,HCCI发动机的性能优于双燃料发动机。然而,氮氧化物和烟雾等排放量有所减少,而HC和CO等排放量有所增加。氮氧化物和烟尘排放量分别降低到98%左右和90 ~ 94%。
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引用次数: 0
Synthesis and characterisation of PVdF-{(NH4)2[C4H8 (COO)2]}: CNT gel electrolyte for Lt fuel cell application PVdF-{(NH4)2[C4H8 (COO)2]}: CNT凝胶电解质的合成与表征
Pub Date : 2014-05-01 DOI: 10.1109/ICONCE.2014.6808706
N. Asthana, Kamlesh Pandey, M. Dwivedi, M. Tripathi
In the present work, improvement of ion transport property in poly (vinylidene) fluoride (PVdF) - based polymer electrolytes for the use of low temperature fuel cell application have been investigated using CNT as fillers. The effect of filler, on structural and electrical behavior of electrolyte were studied by different experimental tools namely, XRD, Optical microscopy, impedance spectroscopy, and dielectric relaxation measurement. Improvement in amorphous nature and ionic conductivity has been observed for PVdF based polymer electrolytes dispersed with CNT filler particle. Dielectric plots show dispersive nature of relaxation time and hopping mechanism appears to be responsible for ionic conduction of the nanocomposite polymer electrolyte.
本文研究了以碳纳米管为填料,改善低温燃料电池用聚偏氟乙烯(PVdF)基聚合物电解质的离子输运性能。采用XRD、光学显微镜、阻抗谱和介电弛豫测量等实验手段研究了填料对电解质结构和电学行为的影响。采用碳纳米管填充颗粒分散的聚偏氟乙烯基聚合物电解质的非晶态性质和离子电导率均有改善。电介质图显示了弛豫时间的色散性质和跳变机制是纳米复合聚合物电解质离子导电的主要原因。
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引用次数: 0
期刊
2014 1st International Conference on Non Conventional Energy (ICONCE 2014)
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