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2019 2nd International Conference on Power and Embedded Drive Control (ICPEDC)最新文献

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Solar Powered Nine-Level Inverter With Reduced Switches 太阳能九电平逆变器与减少开关
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036508
A. Ramesh Babu, V. Geetha, G. Sundarrajan, J. B. P. Glady
A DC / DC converter of nine levels for power generation using solar system is presented in this paper. The configuration consists of dc-dc boost converter and a transformer is used for conversion of output voltage into three voltage sources. The capacitor selection circuit, full bridge converter is used in circuit. The stages of conversion are three independent voltage sources into dc voltage with four levels then to nine levels AC voltage. The utility voltage is in phase with the current generated in the above mentioned conversion. The performances of PV array are improved by using MPPT controller to track maximum power. The simulated results are validated and tested with developed prototype.
介绍了一种用于太阳能发电的九电平DC / DC变换器。该配置由dc-dc升压转换器和变压器组成,用于将输出电压转换为三个电压源。电路中采用了电容选择电路、全桥变换器。转换的阶段是三个独立的电压源转换成4级直流电压,然后转换成9级交流电压。实用电压与上述转换中产生的电流相一致。采用MPPT控制器跟踪最大功率,提高了光伏阵列的性能。仿真结果与所研制的样机进行了验证和测试。
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引用次数: 2
A review on power quality issues due to high penetration level of solar generated power on the grid 太阳能发电在电网中的高渗透水平导致的电能质量问题综述
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036537
Rahul G. Suryavanshi, Dr. Irana Korachagaon
In the last decade, there has been a tremendous growth in the field of grid-tied Photovoltaic (PV) generating plants in INDIA. With the recent government subsidies and reduction in the panel prices, the generation capacity has increased from a few kilowatts to hundreds of Mega-Watts. This rapid escalation in the penetration level on the grid has increased the utility companies’ concerns about its impact on the power quality of the system.In the current scenario, the penetration levels of the Photovoltaic generating in INDIA is very low to create any kind of significant power quality issues on the grid, however, power quality issues such as current harmonics and power factor have been identified in some cases. But with the increase in the penetration levels of PV generator on the grid, it may start affecting the overall power quality of the system. Power system stability and security issues, voltage variation (i.e. sag & swell), reverse power flow, power factor, and harmonics are the major power quality issues that may arise due to increased PV penetration. This paper gives an overall review of different power quality issues that may arise due to the increased penetration level of a PV generator on the grid.
在过去的十年里,印度的并网光伏电站有了巨大的增长。随着最近政府补贴和面板价格的降低,发电能力从几千瓦增加到数百兆瓦。这种对电网渗透水平的快速升级增加了公用事业公司对其对系统电能质量影响的担忧。在目前的情况下,印度光伏发电的渗透水平非常低,无法在电网上产生任何重大的电能质量问题,然而,在某些情况下,电能质量问题,如电流谐波和功率因数已被确定。但随着光伏发电机组对电网渗透程度的提高,可能会开始影响系统的整体电能质量。电力系统的稳定性和安全性问题、电压变化(即凹陷和膨胀)、反向潮流、功率因数和谐波是由于光伏渗透增加而可能出现的主要电能质量问题。本文全面回顾了由于光伏发电机在电网上的渗透水平增加而可能出现的不同电能质量问题。
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引用次数: 2
Rough Terrain Autonomous Vehicle Control Using Google Cloud Vision API 使用谷歌云视觉API的崎岖地形自动驾驶车辆控制
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036621
M. Sugadev, Yogesh, Prithvi Kumar Sanghamreddy, Sai Krishna Samineni
Computer vision (CV) represents a technology using which information contained in a visual scenery is obtained by capturing and digital processing of the images. Computer vision is becoming more popular and widely used in automated vehicles, robotics to emulate human vision capability and industrial automation. Google cloud vision API is a remote real time image processing platform to process, classify and acquire required metadata from image and videos. In this work, design and implementation of a rough terrain autonomous vehicle using Rocker Bogie mechanism and Google cloud vision API for obstacle avoidance is presented. Rocker Bogie mechanism is employed for maneuvering the robot on rough terrains.
计算机视觉(CV)是一种通过对图像的捕获和数字处理来获得视觉场景中包含的信息的技术。计算机视觉在自动驾驶汽车、模拟人类视觉能力的机器人和工业自动化中越来越受欢迎和广泛应用。谷歌云视觉API是一个远程实时图像处理平台,用于对图像和视频进行处理、分类和获取所需的元数据。在这项工作中,设计和实现了一种使用摇臂转向架机构和谷歌云视觉API进行避障的崎岖地形自动驾驶汽车。采用摇臂转向架机构实现机器人在崎岖地形上的机动。
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引用次数: 2
Variation of Optimization results of a Hybrid Power System by the change of locations for a constant load profile 恒负荷分布下混合动力系统优化结果随位置变化的变化
Pub Date : 2019-08-01 DOI: 10.1109/icpedc47771.2019.9036501
M. Rao, V. Chaitanya, G. A. Kumar
Hybrid power system is one which meets the load demand by interconnecting the various renewable energy systems with the nonrenewable energy systems. Renewable energy systems such as solar and wind generates good amount of electric power with the availability of natural inputs such as solar irradiation and wind speed but the problem is choosing of their rating and quantity. Hence optimization is the process carried out for getting proper size of the various components and their quantity. In this paper optimization studies for a village load profile is carried out by using HOMER software and also makes a comparison on variation of optimization results for a fixed load profile with the change of locations in India. A special case study of system connected to the grid is also studied.
混合电力系统是一种将各种可再生能源系统与不可再生能源系统相互连接以满足负荷需求的电力系统。太阳能和风能等可再生能源系统可以利用太阳辐射和风速等自然输入产生大量电力,但问题是如何选择它们的额定值和数量。因此,优化过程是为了获得适当的尺寸和数量的各个部件。本文利用HOMER软件对印度一个村庄的负荷剖面进行了优化研究,并比较了固定负荷剖面优化结果随地点变化的变化情况。本文还研究了并网系统的一个特例。
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引用次数: 1
Design and development of Wind Solar Energy Charging System for Electric Vehicle 电动汽车风能太阳能充电系统的设计与开发
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036607
Hans Manoj Raghubir, Sayyad Azmat Suleman, Satya Prakash
With severity in the emission level on the globe, there has been increase in the demand of methods for reducing the pollution level. Drastic change in the climate and its adverse effect has forced the researchers to explore new forms of energy. Abundant availability of wind and solar energy on globe became one of the alternative source of energy. Harnessing this form of energy as was convenient hence we started developing techniques to exploit the same. This article describes the wind and solar based energy charging system (WSCS) to enable charging the battery bank of electric vehicles (EVs). The charging mechanism comprises of both a wind generator and the solar panel (PV) modules. The WSCS reduces to a great extent the use of fossil fuels to produce electricity; hence reducing COX and NOX emission. As electric vehicle have come up and will be the next generation transportation system hence the emission will also get reduced. To encourage the use of electric vehicles the range of the vehicle has to be more. In order to have greater range there are two ways. One the capacity of the battery can be increased or the charging duration and the charging stations have to increase in number. This paper deals with the development of mechanism to efficiently charge the vehicle with minimizing the emission. The prototype developed in a combination of both solar and wind system i.e. a hybrid system.
随着全球排放水平的日益严重,人们对降低污染水平的方法的需求越来越大。气候的剧烈变化及其不利影响迫使研究人员探索新的能源形式。风能和太阳能在全球范围内的丰富可用性成为替代能源之一。利用这种形式的能源是方便的,因此我们开始开发利用同样的技术。本文介绍了一种基于风能和太阳能的充电系统(WSCS),可以为电动汽车的电池组充电。充电机制包括风力发电机和太阳能电池板(PV)模块。WSCS在很大程度上减少了化石燃料发电的使用;从而减少COX和NOX的排放。随着电动汽车的出现,它将成为下一代交通系统,因此排放也会减少。为了鼓励使用电动汽车,汽车的行驶里程必须更大。为了获得更大的范围,有两种方法。一是增加电池容量,二是增加充电时间,增加充电站数量。本文研究了一种以最小排放为目标的高效充电机制的开发。原型机的开发结合了太阳能和风能系统,即混合系统。
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引用次数: 1
Review on Energy Management System of Electric Vehicles 电动汽车能源管理系统研究综述
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036689
P. Aruna, Prabhu V Vasan
This paper majorly focuses on evolution of Energy Management System (EMS) in Electric Vehicles (EVs) and its components in various epochs. When describing the EMS in detail, it is mandatory to describe the significance of the battery in an EV. The battery plays an important role in electric vehicles to deliver the required power to the electric motor for the transit. For safe and reliable operation of batteries on electric vehicles, the online monitoring and states estimation of the batteries is essential. This can be achieved by a Battery Management System (BMS).Beside BMS, there should be a control over the optimal power flow between battery, converters and other parts of a vehicle. This control is called Energy Management System (EMS).Thus overall vehicle performance strongly depends on this EMS. Thus the design of EMS gains importance to decrease the energy consumption or improvement in system efficiency, to increase the battery life period and to achieve clean and efficient transport system by ensuring long product life and safe drive experience.
本文主要研究了电动汽车能源管理系统(EMS)及其组成部分在不同时代的演变。在详细描述EMS时,必须描述电池在电动汽车中的重要性。电池在电动汽车中扮演着重要的角色,为电动汽车提供所需的电力。为了保证电动汽车电池的安全可靠运行,对电池进行在线监测和状态估计是十分必要的。这可以通过电池管理系统(BMS)来实现。除了BMS之外,还应该对电池、转换器和车辆其他部件之间的最佳功率流进行控制。这种控制被称为能源管理系统(EMS)。因此,车辆的整体性能在很大程度上取决于这个EMS。因此,EMS的设计对于降低能源消耗或提高系统效率,增加电池寿命,通过确保产品的长寿命和安全的驾驶体验来实现清洁高效的运输系统具有重要意义。
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引用次数: 13
Flower pollination algorithm for economic dispatch problems with non-smooth cost function 具有非光滑代价函数的经济调度问题的花授粉算法
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036499
K. Dhayalini, A. Siva
A nonlinear constrained optimization problem can be obtained from an ELD problem with both equality and inequality constraints. A substitution of FPA to solve ELD problem with cost function normally non smooth in power systems is discussed in this paper. Comparison of results are done in order to validated the proposed algorithm.
一个既有等式约束又有不等式约束的ELD问题可以得到一个非线性约束优化问题。本文讨论了用FPA法解决电力系统中成本函数通常不光滑的ELD问题。为了验证所提算法的有效性,对结果进行了比较。
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引用次数: 3
Coordination of Current Flow Controller with HVDC Circuit Breakers for Meshed HVDC Grid Systems 网状直流电网中电流控制器与直流断路器的配合
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036500
Akshay K. Kale, Mohan P. Thakre
A Voltage Source Converter based High Voltage Direct Current (VSC-HVDC) are the most efficient and reliable method for electrical power transmission and implementation of HVDC grids over long distances. Generally, a meshed HVDC transmission grid has major problems such as protection against dc faults and to manage the power flows between the lines. As Current Flow Controllers (CFCs) will be required to balance line currents between nodes in meshed-HVDC grids. Hybrid circuit breaker with forced commutation can interrupt the fault current and thus protect grids of HVDC from dc faults but the fault clearing time for the available dc breakers are not fast enough and reliable to provide adequate protection for dc faults on multi-terminal networks. In order to overcome these problems CFCs is interline with hybrid dc circuit breaker. So, CFC will be interline with Pro-active Hybrid DC-Circuit Breaker (PHCB) by suffling the switches orientation within the Load Commutation Switch (LCS). The CFC design and its control performance will be verified by MATLAB Simulink. The two cases are studied which include, an integrated system consisting of CFC with Circuit Breakers (CBs) and the separate design that includes CFC and CB separately that are compared and thus power losses can be reduced.
基于电压源变换器的高压直流(VSC-HVDC)是长距离输电和实现高压直流电网的最有效、最可靠的方法。一般来说,网状高压直流输电网存在直流故障保护和线路间电流管理等主要问题。由于需要电流控制器(CFCs)来平衡网状高压直流电网中节点之间的线路电流。强制换相混合断路器可以中断故障电流,从而保护高压直流电网免受直流故障的影响,但现有直流断路器的故障清除时间不够快和可靠,无法为多端网络的直流故障提供足够的保护。为了克服这些问题,氯氟烃与混合式直流断路器并联使用。因此,CFC将通过控制负载换流开关(LCS)内的开关方向,与主动混合直流断路器(PHCB)联线。CFC的设计及其控制性能将通过MATLAB Simulink进行验证。研究了两种情况,包括由CFC和断路器(CB)组成的集成系统和单独的设计,分别包括CFC和CB,并进行了比较,从而可以减少功率损耗。
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引用次数: 7
Experimental Investigation Based Power Quality Assessment Of The Single- And Three-Pulse Diode Rectifiers 基于实验研究的单脉冲和三脉冲二极管整流器电能质量评估
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036601
A. N. Arvindan, M. Krishna, K. Nikhil
The single- and three-pulse diode rectifiers constitute the most fundamental of the single- and three-phase topologies respectively, pertaining to uncontrolled ac to dc conversion. Their nomenclature is based on the pulse number (n) they provide at the dc output which is essentially the number of dc voltage notches corresponding to one time period of the input ac source. From the topological perspective, they are referred to as single-phase half-wave rectifier and three-phase half-wave rectifier respectively and are the building blocks of rectifier topologies with higher pulse number. Rectifiers with pulse number greater than or equal to three (n$geq$3) are classified as multipulse rectifiers that comprise series or parallel cascade of these topologies. Usually, three-phase rectifier topologies alone are classified as unidirectional multipulse ac-dc converters among improved power quality ac-dc converters, however, it is noteworthy that the three-phase half-wave rectifier is a parallel cascade of three single-phase half-wave rectifiers. Comprehension and estimation of the power quality indices of these two basic topologies including harmonoic content of the line currents, least order harmonic, power factor, distortion factor, displacement factor, and THD on the ac side and ripple factor, crest factor, and form factor on the dc side provide useful insights into the multipulse rectifiers. In this paper, the power quality assessment of the two basic topologies using MATLAB software and experimental investigation based data are presented.
单脉冲和三脉冲二极管整流器分别构成了最基本的单和三相拓扑结构,属于不受控制的交流到直流转换。它们的命名是基于它们在直流输出处提供的脉冲数(n),其本质上是与输入交流源的一个时间段相对应的直流电压陷波数。从拓扑学的角度来看,它们分别被称为单相半波整流器和三相半波整流器,是高脉冲数整流器拓扑结构的组成部分。脉冲数大于或等于3 (n $geq$ 3)的整流器被归类为多脉冲整流器,由这些拓扑结构的串联或并联级联组成。通常,在改进的电能质量交直流变换器中,单独的三相整流器拓扑被归类为单向多脉冲交直流变换器,然而,值得注意的是,三相半波整流器是由三个单相半波整流器并联级联而成。理解和估计这两种基本拓扑的电能质量指标,包括线路电流的谐波含量、最小阶谐波、功率因数、失真因数、位移因数和交流侧的THD,以及直流侧的纹波因数、波峰因数和形状因数,为了解多脉冲整流器提供了有用的信息。本文介绍了利用MATLAB软件和基于实验调查的数据对两种基本拓扑的电能质量进行评估。
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引用次数: 0
Classification of ECG Signal Using Machine Learning Techniques 使用机器学习技术的心电信号分类
Pub Date : 2019-08-01 DOI: 10.1109/ICPEDC47771.2019.9036613
S. Syama, Gandhi Sweta, P.I.K. Kavyasree, Koti Reddy
Electrocardiogram (ECG) signals are the impulses generated by the heart which are used to analyze the proper functioning of heart. Our work deals with the efficient analysis of Electrocardiogram (ECG) signals imported from MIT-BIH database into MATLAB platform, generation of the imported ECG signal, pre-processing the generated signal to remove the noises mainly the baseline wandering and power line interference from which features are extracted. For adequate study of the ECG signal Daubechies and Haar wavelet techniques are compared. Proper decomposition of the signal is achieved using Db4 and Db5 Daubechies wavelets as their scaling functions are analogous to ECG signal. PAN TOMPKINSONS algorithm is considered in our study as it serves best for precise identification of most prominent features namely QRS complexes, RR interval’s as they constitute the major data required for clinical analysis and research. After feature extraction ECG signals are trained using machine learning techniques for detecting the presence of Arrhythmia using different classifiers adopting Weka software.
心电图(ECG)信号是由心脏产生的脉冲,用来分析心脏的正常功能。我们的工作是将从MIT-BIH数据库导入的心电信号有效地分析到MATLAB平台上,生成输入的心电信号,并对生成的信号进行预处理以去除噪声,主要是基线漂移和电源线干扰,从中提取特征。为了对心电信号进行充分的研究,比较了Daubechies和Haar小波技术。由于Db4和Db5多道小波的尺度函数与心电信号相似,因此对信号进行了适当的分解。在我们的研究中,PAN TOMPKINSONS算法被认为是最适合精确识别最突出的特征,即QRS复合物,RR区间,因为它们构成了临床分析和研究所需的主要数据。特征提取后的心电信号使用机器学习技术进行训练,采用Weka软件使用不同的分类器检测心律失常的存在。
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引用次数: 8
期刊
2019 2nd International Conference on Power and Embedded Drive Control (ICPEDC)
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