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2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING最新文献

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A survey on state estimation techniques in electrical power system 电力系统状态估计技术综述
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129763
S. Raghuraman, R. Jegatheesan
{"title":"A survey on state estimation techniques in electrical power system","authors":"S. Raghuraman, R. Jegatheesan","doi":"10.1109/ICONRAEECE.2011.6129763","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129763","url":null,"abstract":"State Estimation (SE) is a key Energy Management System (EMS) function, responsible for estimating the state of the power system. Power system is a quasi-static system and hence changes slowly with time. State estimation is computationally expensive and it is a vital problem for the operating engineers. This paper presents a bird's eye view on different methodologies and developments in the area of SE, based on comprehensive survey of the available literature.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133208621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Analysis of low harmonics and high efficient BLDC motor drive system for automotive application 低谐波高效无刷直流电机驱动系统在汽车中的应用分析
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129788
M. Maharajan, P. Muthu, M. Palpandian, S. Kannadasan
{"title":"Analysis of low harmonics and high efficient BLDC motor drive system for automotive application","authors":"M. Maharajan, P. Muthu, M. Palpandian, S. Kannadasan","doi":"10.1109/ICONRAEECE.2011.6129788","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129788","url":null,"abstract":"This project presents a comparative study of VSI, CSI and Buck Converter based CSI fed BLDC Motor for automotive applications. The aim of the work is to reduce the cost and size of a brushless dc motor (BLDC) drive as well as increase the reliability and ruggedness of the drive. Traditional BLDC drives use Voltage Source Inverter (VSI) that utilize hard switching, thereby generating switching losses and entail the use of large heat sinks. VSI needs a huge dc link capacitor that is inherently unreliable and is one of the most expensive components of the drive. Hence, a Current Source Inverter (CSI) is used to replace the hard switching by soft switching, thereby eliminating the heat sinks as well as the large dc link capacitor. A controlled rectifier together with a large inductor acts as a current source, the only disadvantage is the large value of the dc link inductor and the huge number of turns needed to achieve these values of the inductances lead to huge resistive losses. Therefore, it is shown that it is possible to replace the controller rectifier and the large inductor with a suitable Buck converter based current source inverter can be switched at high frequencies with much smaller value of the dc link inductor without increasing the current ripples. Hence, it is possible to have the advantage of using a CSI as well as reduce the value of the dc link inductor without a corresponding increase in the heat sink. The effectiveness of the VSI and CSI fed BLDC motor schemes are verified through the simulation results.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133707089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Allocation and contribution of reactive power for the practical utility system 实用电力系统无功功率的分配与贡献
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129769
R. Gnanadass, M. Susithra
{"title":"Allocation and contribution of reactive power for the practical utility system","authors":"R. Gnanadass, M. Susithra","doi":"10.1109/ICONRAEECE.2011.6129769","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129769","url":null,"abstract":"Continuing trend towards deregulation and unbundling of transmission services has resulted in the need to access what the impact of a particular generator to load is on the power system. This paper presents the three different methods namely, Equivalent Reactive compensation(ERC), Modified Ybus and Power flow tracing to determine or measure the reactive power output from a particular generator to particular load. It also presents the electricity tracing method in detail with an algorithm of apportioning the transmission loss to individual loads or generator. This Method can be useful in providing additional insight into power system operation and can be used to modify existing tariffs of charging for transmission loss, reactive power and transmission services. Simulation and comparisons results are shown by taking IEEE30 bus system as Test system.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129112114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Simple tuned adaptive PI controller for conical tank process 锥形罐过程的简单调谐自适应PI控制器
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129757
S. Anand, V. Aswin, S. R. Kumar
{"title":"Simple tuned adaptive PI controller for conical tank process","authors":"S. Anand, V. Aswin, S. R. Kumar","doi":"10.1109/ICONRAEECE.2011.6129757","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129757","url":null,"abstract":"This paper proposes an idea for designing a continuously tuned adaptive PI controller for a non-linear process such as conical tank. In this paper, a simple tuning system is used to continuously tune the controller parameters in correspondence with the change in operating points. For each stable operating point, a FOPTD model was identified using process reaction curve method. The estimated model parameters are used to calculate the controller parameters for each operating points. Based on these calculated controller parameters and its operating points, a tuning system was created. The tuning system will able to interpolate and extrapolate the relation between control variable and the controller parameters over entire span of control variables. Finally, a detailed time-domain modeling of the conical tank was performed. Then the adaptive PI controller was implemented in Matlab and was simulated to verify its performance. Thus the adaptive controller was able to produce a consistent response regardless of parametric variations with minimum overshoots and minimum settling time.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127362060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
Performance analysis of PV module connected in various configurations under uniform and non-uniform solar radiation conditions 均匀和非均匀太阳辐射条件下不同配置连接的光伏组件性能分析
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129811
P. Roopa, S. Rajan, R. Vengatesh
{"title":"Performance analysis of PV module connected in various configurations under uniform and non-uniform solar radiation conditions","authors":"P. Roopa, S. Rajan, R. Vengatesh","doi":"10.1109/ICONRAEECE.2011.6129811","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129811","url":null,"abstract":"This paper focuses on investigating the I-V and P-V characteristics of a PV module connected in various configurations. Here the parameters of the PV module have been obtained from the datasheet. The performance analysis of PV module has been carried out under uniform and non-uniform conditions such as change in irradiation, change in temperature, accumulation of dust and change in wind forces using MATLAB-Simulink environment. From the obtained results, it has been observed that for a given number of PV modules, the array configurations affects the maximum available output power where more local maxima are found under partially shaded conditions. Moreover the comparative analysis of PV module has been performed under various configurations like series, parallel and series-parallel for the above disturbances condition. From the above analysis it is evident that even under non-uniform conditions, the parallel arrangement of PV modules is more prominent were maximum output power is obtained and the results are reported.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124359796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Performance evaluation of two level unidirectional PWM rectifiers employing space vector modulation (SVM) technique 采用空间矢量调制技术的两电平单向PWM整流器的性能评价
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129803
J. Mohan, B. Manikandan
{"title":"Performance evaluation of two level unidirectional PWM rectifiers employing space vector modulation (SVM) technique","authors":"J. Mohan, B. Manikandan","doi":"10.1109/ICONRAEECE.2011.6129803","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129803","url":null,"abstract":"Performance evaluation of two levels unidirectional PWM rectifiers employing space vector modulation will be discussed in this proposed work. A methodology for the use of this modulation is proposed and applied in different group of rectifier. For each group of rectifier the converter switching techniques are analyzed to determine switch control signals for space vector modulation. One switching sequence is proposed for all rectifiers in order to minimize the number of switch commutations and reduce the switching losses thereby improving performance of the converter. Switching sequences are determined and performed by a simple space vector pulse width modulation. Two level converter topology is introduced in order to maintain constant output voltage and reduce the number of sensors and controllers. To evaluate the proposed modulation techniques, simulations results have been presented for low and medium power applications.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126411710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A refined space vector PWM signal generation for six-level inverter 一种用于六电平逆变器的空间矢量PWM信号生成方法
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129741
G. Rao, K. Sekhar
{"title":"A refined space vector PWM signal generation for six-level inverter","authors":"G. Rao, K. Sekhar","doi":"10.1109/ICONRAEECE.2011.6129741","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129741","url":null,"abstract":"A refined space vector modulation scheme for a six-level inverter system for dual-fed induction motor drive, using only the instantaneous sampled reference signals is presented in this paper. The dual-fed structure is realized by opening the neutral-point of the conventional squirrel cage induction motor. The six-level inversion is obtained by feeding the dual-fed induction motor with asymmetrical three-level inverter from one end and symmetrical three-level inverter from other end. The proposed space vector pulse width modulation technique does not require the sector information and look-up tables to select the appropriate switching vectors. The inverter leg switching times are directly obtained from the instantaneous sampled reference signal amplitudes and centers the switching times for the middle space vectors in a sampling time interval, as in the case of conventional space vector pulse width modulation.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125751315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance analysis of SRM drive using multi level inverter 采用多电平逆变器的SRM驱动器性能分析
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129816
V. Velmurugan
{"title":"Performance analysis of SRM drive using multi level inverter","authors":"V. Velmurugan","doi":"10.1109/ICONRAEECE.2011.6129816","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129816","url":null,"abstract":"In Multilevel Inverters, Cascaded H bridge converters are considered to be the most preferred form of converters. But in these converters as the number of staircase levels in output voltage increases the dc source requirement also increases, thereby limiting its application. This paper tries to address the above mentioned problem by developing a Modified version of Cascaded Multilevel Converters which require reduced number of dc voltage source for increased levels in output voltage as compared to conventional cascaded converters. Due to these advantages the drawback in the implementation of conventional cascaded converters in electric Vehicles or in industrial applications is overcome by modified cascaded inverters. The output of the Cascaded H bridge converter given to SRM drive. The main draw backs of SRM are torque ripple, vibrations and acoustics of noise. By the reduced THD% using Cascaded H bridge converters, the performance of SRM drive is analyzed and simulated using MATLAB/SIMULINK environment.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126877405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dielectric properties of polycarbonate coated natural fabric Grewia tilifolia 聚碳酸酯涂层天然织物的介电性能
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI: 10.1109/ICONRAEECE.2011.6129735
C. Ramana, W. Clarke, J. Jayaramudu, R. Sadiku, S. Ray
{"title":"Dielectric properties of polycarbonate coated natural fabric Grewia tilifolia","authors":"C. Ramana, W. Clarke, J. Jayaramudu, R. Sadiku, S. Ray","doi":"10.1109/ICONRAEECE.2011.6129735","DOIUrl":"https://doi.org/10.1109/ICONRAEECE.2011.6129735","url":null,"abstract":"Natural fibers are emerging as low cost, lightweight and apparently environmentally superior alternatives to glass fibers in composites. With the increasing importance of environmental interactions, several innovations of the environmental performance are introduced in automotive industry. One aspect of innovation is an environmental material selection including renewable raw materials. The uses of cellulosic fibers have ranged from the construction industry to the automotive industry. The main attraction of bio-fiber reinforced composites lie in their low density and high strength. Polymer composites of a polycarbonate coated with natural fabric Grewia tilifolia were studied by means of dielectric properties in the frequency range 100 Hz to 1 MHz and temperature interval from 40°C to 160°C. It was found that the dielectric properties are lower for the treated (for both treated and treated with coupling agent) then that of the untreated (for both untreated and untreated with coupling agent) one. The present natural fabric composite has systematic and persistent research there will be good scope and better future for polymer reinforced composite for suitable electrical applications.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115107424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Face recognition using discrete cosine transform for global and local features 人脸识别采用离散余弦变换对全局和局部特征进行识别
2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-11-06 DOI: 10.1109/ICONRAEeCE.2011.6129742
Aman Chadha, Pallavi P. Vaidya, M. Roja
{"title":"Face recognition using discrete cosine transform for global and local features","authors":"Aman Chadha, Pallavi P. Vaidya, M. Roja","doi":"10.1109/ICONRAEeCE.2011.6129742","DOIUrl":"https://doi.org/10.1109/ICONRAEeCE.2011.6129742","url":null,"abstract":"Face Recognition using Discrete Cosine Transform (DCT) for Local and Global Features involves recognizing the corresponding face image from the database. The face image obtained from the user is cropped such that only the frontal face image is extracted, eliminating the background. The image is restricted to a size of 128 × 128 pixels. All images in the database are gray level images. DCT is applied to the entire image. This gives DCT coefficients, which are global features. Local features such as eyes, nose and mouth are also extracted and DCT is applied to these features. Depending upon the recognition rate obtained for each feature, they are given weightage and then combined. Both local and global features are used for comparison. By comparing the ranks for global and local features, the false acceptance rate for DCT can be minimized.","PeriodicalId":305797,"journal":{"name":"2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130741791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 57
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