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2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)最新文献

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Consumer level intelligence in a Smart micro-grid 智能微电网中的消费者级智能
P. Seema, V. Deepa, M. Nair
Reckless consumption of electric power by the consumers is one of the main reasons of depletion of resources (coal, petroleum) and increasing tariff. To improve the current statistics of distribution and consumption the Smart grid brought out a scheme providing the consumer higher control over the power generation and distribution thus increasing the responsibility of the consumer making them more vigilant and providing for sustainable development. Smart Grid improvises the conventional grid on various levels which calls forth the requirement for sophisticated controls carried out in various levels namely, primary, secondary, and tertiary. This paper deals with the intelligence associated with the primary and secondary levels placed in regard with the consumer and micro-grid operation. The role of the consumer as well as micro-grid in intelligent demand management has been demonstrated in this paper through simulations in MatLab using fuzzy logic.
消费者对电力的肆意消耗是造成资源(煤、石油)枯竭和电价上涨的主要原因之一。为了改善目前的配电和用电统计,智能电网提出了一种方案,使消费者对发电和配电有更高的控制权,从而增加了消费者的责任,提高了消费者的警惕性,为可持续发展提供了条件。智能电网对传统电网进行了多层次的改进,提出了在一级、二级和三级进行复杂控制的要求。本文讨论了与消费者和微电网运行相关的初级和二级智能。本文利用模糊逻辑在MatLab中进行仿真,论证了消费者和微电网在智能需求管理中的作用。
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引用次数: 6
Design of Positive Output Super-Lift Luo Boost Converter for Solar Inverter 太阳能逆变器正输出超升力罗升压变换器的设计
Anushka S. Tekade, R. Juneja, Manish V. Kurwale, P. Debre
The power conversion is one of the major requirements in utilizing the Electricity generated from the Solar Energy. This paper involves the boosting of DC output of the solar panel by Super-Lift Luo Boost Converter. The converter employs the Super-Lift technique to obtain the boosted output voltage. The output voltage of the Super-Lift Luo Boost converter increases in geometric progression. The Super-Lift Luo converter enhances the voltage transfer gain in power series. Thus after DC/DC conversion, the boosted output voltage is fed to the inverter wherein it is converted into AC voltage. The inverter AC output voltage can now be used to drive the AC loads. An extensive simulation of Super-lift Luo Boost Converter is conducted on the basis of reference values in MATLAB/Simulink environment. In order to determine the converter parameters MATLAB program has been used.
能量转换是利用太阳能发电的主要要求之一。本文研究了利用超升力罗升压变换器对太阳能电池板直流输出进行升压。该变换器采用Super-Lift技术来获得升压输出电压。超级升力罗升压变换器的输出电压以几何级数增加。超升力罗变换器提高了功率串的电压传递增益。因此,在DC/DC转换之后,升压的输出电压被馈送到逆变器,逆变器将其转换为交流电压。逆变器的交流输出电压现在可以用来驱动交流负载。基于参考值,在MATLAB/Simulink环境下对超升力罗升压变换器进行了广泛的仿真。为了确定变频器的参数,使用了MATLAB程序。
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引用次数: 14
Experimental study on the performance of a pulsating heat pipe with aqueous solution of butanol at different orientations 不同取向丁醇水溶液脉动热管性能的实验研究
A. George, B. R. Binulal
Heat dissipation, recovery and accumulation is more and more becoming the limiting factor in the advancement of many energy systems. The conventional heat pipes such as copper grooved heat pipes and sintered particle heat pipes have played an important role in the heat dissipation in electronic equipment. Pulsating heat pipe (PHP) is a new type of efficient heat transfer device, which was introduced in the mid-1990s by Akachi. PHP can be used for cooling of electronics because of its potential for removing high heat flux. The capillary effect is indeed provided by the small dimension of the channel, and not by the presence of a wick structure. An experimental study was conducted to investigate heat transfer performance of a closed loop pulsating heat pipe with pure water and aqueous solution of butanol (self-rewetting fluid) under various filing ratios, inclination angles and heat inputs. Self-rewetting fluids have a property that the surface tension increase with increase in temperature. Butanol is added to pure water at 0.1 wt% and 0.5 wt% concentrations to make self-rewetting fluid. The PHP is made of copper tube with inner and outer diameters of 2.0 mm and 3.0 mm, respectively. It is observed that lower thermal resistance is obtained by using aqueous solution of butanol compared with pure water. Also aqueous solution of butanol shows improved performance up to horizontal orientation, when compared with pure water.
散热、回收和积累越来越成为许多能源系统发展的制约因素。传统的热管如铜槽热管和烧结颗粒热管在电子设备的散热中起着重要的作用。脉动热管(PHP)是上世纪90年代中期由明立公司推出的一种新型高效传热装置。PHP可用于电子设备的冷却,因为它具有去除高热通量的潜力。毛细管效应确实是由通道的小尺寸提供的,而不是由灯芯结构的存在提供的。研究了纯水和丁醇水溶液(自润湿流体)在不同锉制比、倾角和热输入下的闭环脉动热管换热性能。自重湿流体具有表面张力随温度升高而增大的特性。将丁醇以0.1 wt%和0.5 wt%的浓度加入纯水中,制成自润湿液。PHP由铜管制成,内径2.0 mm,外径3.0 mm。结果表明,丁醇水溶液的热阻比纯水低。与纯水相比,丁醇水溶液在水平方向上的性能也有所提高。
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引用次数: 4
Performance enhancement of solar water heater using compound parabolic reflector and numerical simulation of thermal losses 复合抛物面反射镜增强太阳能热水器性能及热损失数值模拟
R. Cherian, L. G. Lasithan
The purpose of this project is to design, fabricate and test the performance enhancement of a SWH with compound parabolic reflector (CPR). The advantage of this system is that there is no need of a sun tracker. Firstly, the experimental work is done by comparing the performance of two evacuated tube collectors, out of which one is equipped with a CPR at the bottom surface. Secondly, an ANSYS simulation is done to find the effect of thermal loss on the performance of the system. For almost all of the SWH which are commercially available, only the top portion of the evacuated pipe is used for absorbing the solar radiation. The shaded portion remains unused. A CPR uses a mirror in the shape of a compound parabola to reflect and concentrate sun radiations towards a receiver tube located at the focus line of the compound parabolic reflector. Thus the whole cylindrical surface of the evacuated pipe is made useful and the absorber surface absorbs the incoming radiations and transforms them into thermal energy. Thermal losses will occur mainly due to radiation and even though the system uses an evacuated tube collector, a small amount of loss occurs due to convection. Thus a thermal loss analysis around an evacuated tube collector is performed.
本项目的目的是设计、制造和测试复合抛物面反射器(CPR)的SWH性能增强。这种系统的优点是不需要太阳追踪器。首先,通过比较两种真空管集热器的性能进行实验工作,其中一种真空管集热器底部表面装有CPR。其次,通过ANSYS仿真分析了热损失对系统性能的影响。对于几乎所有商业上可用的SWH,只有真空管的顶部用于吸收太阳辐射。阴影部分保持未使用。CPR使用复合抛物线形状的镜子将太阳辐射反射并集中到位于复合抛物线反射器焦点线上的接收管上。因此,整个真空管的圆柱形表面是有用的,吸收器表面吸收入射的辐射并将其转化为热能。热损失主要是由于辐射造成的,即使系统使用了真空管集热器,也有少量的损失是由于对流造成的。因此,在真空管集热器周围进行热损失分析。
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引用次数: 3
Contolling of servomotors according to pitch and yaw and roll motions of accelerometer 根据加速度计的俯仰、偏航和滚转运动控制伺服电机
M. Giriraj, P. Anvesh
Gesture Controlled Robot is a robot that can be moved according to our hand movements. Accelerometer sensor is mounted on hand. The sensor mounted on your hand will judge the movement of hand in a particular direction. This project develops the hand movement monitoring system which feeds the data into the computer and gives the 3D visualization of accelerometer according to pitch, yaw and roll motions of accelerometer. In this project I used Adxl335 as the accelerometer and this project describes the controlling of servomotor(Futabas3003) according to motions of accelerometer and we can view the 3D visualization of accelerometer by interfacing Arduino (at mega 328p) with the processing software and MATLAB is used for graphical results of accelerometer motions.
手势控制机器人是一种可以根据我们的手部动作来移动的机器人。加速度计传感器安装在手上。安装在你手上的传感器将判断手在特定方向的运动。本课题开发了手部运动监测系统,该系统将数据输入计算机,并根据加速度计的俯仰、偏航和横摇运动给出加速度计的三维可视化。在这个项目中,我使用Adxl335作为加速度计,这个项目描述了根据加速度计的运动来控制伺服电机(Futabas3003),我们可以通过Arduino (mega 328p)与处理软件接口来查看加速度计的3D可视化,并使用MATLAB来进行加速度计运动的图形化结果。
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引用次数: 0
Efficiency optimization of induction motor drive using Artificial Neural Network 基于人工神经网络的感应电机驱动效率优化
P. Choudhary, S. Dubey, B. Tiwari, B. Dewangan
Induction motors are the workhorse of industry, have good efficiency at rated load, but long duration usage of IM at partial load shows poor efficiency which leads to waste in energy and revenue as well. These motors are reliable, robust, high power/mass ratio and economic, hence replaced all other motors in the industry, so even minute increment in induction motor efficiency can have a major impact on consumption of electricity and saving of revenue, globally. This paper utilizes, a combination of two key concepts of efficiency optimization-loss model control (LMC) and search control (SC) for efficient operation of induction motors used in various industrial applications, in aforesaid load condition. At first, to estimate optimal Ids values for various load conditions, an optimal Ids expression in terms of machine parameters and load parameters, based on machine loss model in d-q frame along with classical optimization technique, is utilized. Secondly, an offline trained artificial neural network (ANN) controller is used to reproduce the optimal Ids values, in run-time load condition. This eliminates run-time computations and perturbation for optimal flux, as in conventional SC method. The (ANN) optimal controller is designed for optimal Ids as output, while providing load torque and speed information as inputs. The training is performed in MATLAB and good accuracy of the training model is seen. Dynamic and steady-state performances are compared for proposed optimal (optimal Ids) operations and conventional vector operations (constant Ids), with the help of a simulation model, developed in MATLAB. Excellent dynamic response in load transients as well as superior efficiency performance (1- 18%) at steady-state, for a wide range of speed and torque in simulation is attained. Assimilated with similar earlier work, the proposed methodology offers effortless implementation in real-time industrial facilities, ripple free operations, fast response and higher energy savings.
感应电动机是工业上的主力,在额定负载下具有良好的效率,但在部分负载下长时间使用感应电动机效率低下,造成能源和收入的浪费。这些电机可靠,坚固,功率/质量比高,经济,因此取代了行业中的所有其他电机,因此即使是感应电机效率的微小增加也会对全球的电力消耗和节省收入产生重大影响。本文将效率优化的两个关键概念——损耗模型控制(LMC)和搜索控制(SC)相结合,用于各种工业应用中的感应电机在上述负载条件下的高效运行。首先,基于d-q坐标系下的机器损耗模型,结合经典的优化技术,利用机器参数和负载参数的最优id表达式来估计各种负载条件下的最优id值。其次,采用离线训练人工神经网络(ANN)控制器,在运行负荷条件下重现最优id值;这消除了运行时的计算和最优通量的扰动,如在传统的SC方法。(ANN)最优控制器设计为最优id作为输出,同时提供负载转矩和速度信息作为输入。在MATLAB中进行训练,训练模型具有较好的准确性。借助MATLAB开发的仿真模型,比较了所提出的最优(最优id)操作和常规矢量操作(恒定id)的动态和稳态性能。在负载瞬态时具有优异的动态响应,在稳态时具有优异的效率性能(1- 18%),在模拟中可获得大范围的速度和扭矩。与类似的早期工作相结合,所提出的方法在实时工业设施中提供了轻松的实施,无波纹操作,快速响应和更高的节能。
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引用次数: 5
An insight to distributed generation of electrical energy from various renewable sources 对各种可再生能源分布式发电的洞察力
Richard N. Anthony, Seema P. Navghare
This research paper includes the concept of distributed generation of electrical energy from various types of renewable energy sources. The distributed energy resources (DER) system is located near to the load which improves the security of supply. Due to this the transmission line costs and losses are also reduced. This will result in efficient utilisation of electrical energy generated and ultimately improve the energy efficiency in the power system. As the DER system uses renewable energy sources, it also reduces the environmental impacts.
本研究论文包含了各种可再生能源分布式发电的概念。分布式能源系统位于负荷附近,提高了供电的安全性。因此,输电线路的成本和损耗也降低了。这将导致有效利用所产生的电能,并最终提高电力系统的能源效率。由于DER系统使用可再生能源,它也减少了对环境的影响。
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引用次数: 8
Mathematical modelling and voltage control of fuel cell 燃料电池的数学建模与电压控制
Selly Satpathy, Subhransu Padhee, K. C. Bhuyan, G. B. Ingale
Fuel cell is one of the efficient renewable energy storage devices available. This paper provides a detailed electrical modeling of fuel cell system and an overview of required control schemes for fuel cell. Fuel cell provides low DC output which is further processed using power conditioning unit (PCU) comprising of power electronic converter. This paper provides a detailed mathematical model and control of classical DC-DC boost converter connected with a 6 kW proton exchange membrane fuel cell (PEMFC).
燃料电池是一种高效的可再生能源存储设备。本文对燃料电池系统进行了详细的电气建模,并概述了燃料电池所需的控制方案。燃料电池提供低直流电输出,该输出通过由电力电子转换器组成的功率调节单元(PCU)进一步处理。本文给出了连接6kw质子交换膜燃料电池(PEMFC)的经典DC-DC升压变换器的详细数学模型和控制方法。
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引用次数: 7
Energy efficient IPMSM drive with three-level Diode Clamped Inverter using DSP 节能IPMSM驱动器与三电平二极管箝位逆变器使用DSP
G. Lakshmi, K. Challa
This paper presents a prototype implementation of a three-level Diode-Clamped Inverter (DCI) fed energy efficient IPMSM drive. A MOSFET based bridge inverter is chosen and the pulses are produced using Digital Signal Processor (DSP) TMS320f28335. Using the embedded coder tool box, the Simulink model is compiled and programmed with the software Code Composer Studio (CCS) which is a compiler and programmer. The pulses from the DSP are fed to the DCI Bridge with an Optocoupler isolation unit. The output of the inverter is fed to the Interior Permanent Magnet Synchronous Motor (IPMSM) drive for the analysis. Hardware implementation of the proposed work is carried out on IPMSM and the results were presented.
本文介绍了一种三电平二极管箝位逆变器(DCI)馈能高效IPMSM驱动器的原型实现。选择基于MOSFET的桥式逆变器,利用数字信号处理器(DSP) TMS320f28335产生脉冲。利用嵌入式编码器工具箱对Simulink模型进行了编译和编程,并使用了编译器和编程器CCS (Code Composer Studio)软件。来自DSP的脉冲通过光耦合器隔离单元馈送到DCI桥。逆变器的输出被馈送到内部永磁同步电机(IPMSM)驱动器进行分析。在IPMSM上对所提出的工作进行了硬件实现,并给出了结果。
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引用次数: 6
Application of AHP for selection of source for Microgrid system AHP在微网系统源选择中的应用
Subhajit Banerjee, M. Majumder
In recent years the demand for Microgrid (MG) system having two or more different types of energy source is widely used to satisfy the increasing demand from the ever growing population all over the world. The advantage of MG system includes optimum utilization of available resources to maximum benefit in this aspect selection of source which can selected in a logical and cognitive way. In this regard AHP MCDM was used to select sources which can optimally use the available resources. The study developed and index which uses 9 input parameters to estimate the suitability of sources for utilization of MG system. According to the result the most important parameter was found to be Payback Period and least important parameter was found to be Replacement Cost.
近年来,为满足世界范围内日益增长的人口需求,对具有两种或两种以上不同能源类型的微电网系统的需求得到了广泛的应用。资源管理系统的优势在于对可利用资源的优化利用,在资源选择上实现效益最大化,资源选择具有逻辑性和认知性。在这方面,AHP MCDM被用来选择最能利用现有资源的资源。利用9个输入参数,建立了一种评价源对MG系统利用适宜性的指标。结果表明,投资回收期是最重要的参数,重置成本是最不重要的参数。
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引用次数: 4
期刊
2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)
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