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Adaptive MPPT control algorithm for small-scale wind energy conversion systems 小型风能转换系统的自适应MPPT控制算法
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042085
Jakeer Hussain, M. Mishra
{"title":"Adaptive MPPT control algorithm for small-scale wind energy conversion systems","authors":"Jakeer Hussain, M. Mishra","doi":"10.1109/PEDES.2014.7042085","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042085","url":null,"abstract":"This paper presents a new adaptive control scheme for small-scale wind energy conversion systems to extract maximum power from turbulent wind for microgrid systems. To improve the system reliability, the proposed maximum power point tracking algorithm is implemented without using mechanical sensors for the measurement of wind speed and generator speed. These two mechanical quantities are estimated from the measured electrical quantities of the system. During initial stage of execution, the control algorithm runs in system-independent mode and after acquiring system related information, it enters into system-specific mode. Effectiveness of the proposed control scheme is verified through simulation studies.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117165993","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: 7
Analysis and design of buck-boost converter for power quality improvement in high frequency on/off-line UPS system 用于提高高频UPS系统电能质量的降压-升压变换器的分析与设计
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042008
M. Junaid, Bhim Singh
{"title":"Analysis and design of buck-boost converter for power quality improvement in high frequency on/off-line UPS system","authors":"M. Junaid, Bhim Singh","doi":"10.1109/PEDES.2014.7042008","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042008","url":null,"abstract":"This paper presents cascaded buck-boost converter for improving power quality at ac mains input in terms of improved power-factor (PF), reduced total harmonics distortion (THD) of input current and regulated output dc voltage at 380 V for high frequency uninterruptible power supply (HF-UPS). Discontinuous conduction mode (DCM) of operation is used to achieve inherent power factor correction (PFC) and to evade from the complexity in feedback control loop. The proposed configuration is able to operate under varying input voltages operation and withstand severe fault conditions like \"Double Phase in Single Phase Utility (through neutral wire)\". A comparative analysis is carried out to avail the benefits of proposed configuration over (a) single switch boost \"Improved Power Quality converter (IPQC)\" and (b) single switch buck-boost IPQC Converter. The performance of proposed power supply is evaluated in MATLAB/Simulink environment under wide variations in input voltages (85V-300V) and loads.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"172 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117340402","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: 9
Neural network control for three-leg VSC based DVR in distribution system 配电系统中基于三腿VSC的DVR的神经网络控制
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042045
J. Bangarraju, V. Rajagopal, A. Jayalaxmi
{"title":"Neural network control for three-leg VSC based DVR in distribution system","authors":"J. Bangarraju, V. Rajagopal, A. Jayalaxmi","doi":"10.1109/PEDES.2014.7042045","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042045","url":null,"abstract":"This paper deals with neural network control for three-leg Voltage Source Converter (VSC) based DVR in distribution system to mitigate voltage sag, swell and harmonics etc. The proposed neural network control is based on the least mean-square algorithm which is known as adaptive linear element to extract the fundamental component of load voltages. The reference signals for three-leg VSC based DVR are extracted from reference load voltages. The neural network control for DVR is able to self-support its dc bus through the control under varying loads. The main advantage of neural network control is to eliminate filter and which improves performance of DVR. The proposed DVR injects voltages in series with source voltage to regulate voltage at rated voltage. The proposed neural network control based DVR is validated through computer simulation studies using MATLAB/SIMULINK.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114524876","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: 4
Design and optimization of the on board DC/DC converters of Swayam satellite Swayam卫星星载DC/DC转换器的设计与优化
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7041984
Shreyas Kulkarni, Saurabh Bangade, M. Khadse, Dhaval Waghulde, Priyanka G. Aher, K. Gaikwad, Shantanu Thakurdesai
{"title":"Design and optimization of the on board DC/DC converters of Swayam satellite","authors":"Shreyas Kulkarni, Saurabh Bangade, M. Khadse, Dhaval Waghulde, Priyanka G. Aher, K. Gaikwad, Shantanu Thakurdesai","doi":"10.1109/PEDES.2014.7041984","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7041984","url":null,"abstract":"This paper discusses the optimization of the DC-DC Converters of 1-U Pico-satellite \"Swayam\". Swayam Satellite has two DC-DC Converters on-board. A Boost converter is used to step-up solar panel voltage to regulated 5V and charge the battery pack. A Buck converter is used to power all the active subsystems on the 3.3V bus. Special techniques and trade-offs ensure that both the converters perform optimally in the expected region of operation. Efficient system design has averted the requirement of Maximum Power Point Tracking (MPPT) algorithm and has greatly reduced system complexity. Apart from Space heritage and reliability, converter component selection, setting converter parameters such as switching frequency and printed circuit board (PCB) layout contributes to the overall system performance. Current-mode control in DC/DC Converters faces an inherent stability issue, leading to sub harmonic oscillations. The unstable mode of operation when the duty cycle exceeds 50% has been resolved by loop compensation techniques. When the EPS is powered up, the high current demands of the boost converter damage the module as well as the solar panels. A specially designed soft start technique helps in delaying the start-up of the converter, thus snubbing the current overshoots. A perfect jitter-free gate drive minimizes the switching noise generated by the DC/DC converter. Moreover, component layout and changing loop areas in converters, ground returns, ground bounce and star connections ensure superior performance. The design accounts for system engineering factors like size and mass constraints as well as providing a magnetically clean environment for any sensitive payloads of the satellite. The DC/DC converters of Swayam satellite have been designed to cater to the power demands of a small satellite profile.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"169 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114205941","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: 9
Line interactive distributed 4-leg inverter system with unbalanced and nonlinear loads 负载不平衡非线性的线路交互分布式四腿逆变系统
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042034
D. Vyawahare, M. Chandorkar
{"title":"Line interactive distributed 4-leg inverter system with unbalanced and nonlinear loads","authors":"D. Vyawahare, M. Chandorkar","doi":"10.1109/PEDES.2014.7042034","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042034","url":null,"abstract":"This paper is concerned with the distributed line interactive operation of 4-leg inverters. Generally, a 3-leg inverter is used as an inverter interface in distributed systems or microgrids. However 3-leg inverters are incapable in effectively handling the unbalance and nonlinearity in the loads. The 4-leg inverters, on the other hand, can control zero sequence currents and give effective DC link utilization. This feature is utilized here to improve the emergency operation of line interactive system. In case of failure of main power supply, that is in emergency operation, 4-leg inverters can maintain balanced and sinusoidal voltages even if the load is unbalanced and nonlinear. Instead of a dedicated compensator designed for handling load unbalance or nonlinearity, the system is inherently made capable of handling such loads. For line interactive operation the transitions between normal and emergency mode are taken care of by frequency restoration scheme. This allows seamless transitions without any change in control algorithm.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114870200","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: 4
Analysis of induction motor for electric vehicle application based on drive cycle analysis 基于驱动循环分析的电动汽车感应电机应用分析
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042134
A. Singh, Ankit Dalal, Praveen Kumar
{"title":"Analysis of induction motor for electric vehicle application based on drive cycle analysis","authors":"A. Singh, Ankit Dalal, Praveen Kumar","doi":"10.1109/PEDES.2014.7042134","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042134","url":null,"abstract":"For an electric vehicle, motor selection is very important as it mainly determine its efficiency, cost and reliability. A particular motor may behave differently under different driving conditions. The driving behavior for an urban and suburban region is represented by its drive cycle. Thus, motor must be analyzed based on different drive cycles. In this paper, analysis of an induction motor for different drive cycles is discussed. Based on the analysis, motor selection criterion has been explained. The whole analysis of different drive cycles are carried out using Excel Macro.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127369316","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: 21
Optimal fundamental switching frequency pulsewidth modulation of medium voltage cascade nine-level (9L) inverter 中压级联九电平(9L)逆变器基波开关频率脉宽最优调制
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7041957
Amarendra Edpuganti, A. Rathore, A. Gupta
{"title":"Optimal fundamental switching frequency pulsewidth modulation of medium voltage cascade nine-level (9L) inverter","authors":"Amarendra Edpuganti, A. Rathore, A. Gupta","doi":"10.1109/PEDES.2014.7041957","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7041957","url":null,"abstract":"Medium voltage high power drives require low device switching frequency operation to bring down the dominating device switching losses. However, low device switching frequency operation leads to increase in total harmonic distortion (THD) of machine stator currents. Synchronous optimal pulsewidth modulation (SOP) is an emerging technique for controlling multilevel inverters of medium voltage drives at low device switching frequency, while maintaining minimal harmonic distortion of machine stator currents. In case of five or higher-level multilevel inverters, state-of-the-art generalized SOP technique requires swapping of gating signals to ensure equal device switching frequency. In addition, transients in machine currents occur at higher modulation index values due to frequent change in number of switching instants. The goal of our study is to propose a new SOP technique that ensures, equal device switching frequency without swapping of gating signals, further reduction of the device switching frequency compared to the generalized SOP technique and reduction in transients in machine currents at higher modulation index range. The proposed SOP technique was demonstrated on a cascade nine-level (9L) inverter fed 1.5-kW induction motor drive.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126649312","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
Impact of SiC MOSFET traction inverters on compact-class electric car range SiC MOSFET牵引逆变器对紧凑型电动车续航里程的影响
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042156
Kundan Kumar, M. Bertoluzzo, G. Buja
{"title":"Impact of SiC MOSFET traction inverters on compact-class electric car range","authors":"Kundan Kumar, M. Bertoluzzo, G. Buja","doi":"10.1109/PEDES.2014.7042156","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042156","url":null,"abstract":"The advent of power devices based on Wide Band Gap (WBG) semiconductor materials, like the Silicon Carbide (SiC) MOSFETs, can improve the overall performance of the power converter systems, by reducing the conversion losses and enabling operation at higher switching frequency. This paper analyzes the range extension of electric vehicles (EVs) ensuing from the adoption of SiC devices for the traction inverter. As a case study, a compact-class electric car equipped with a Silicon (Si) IGBT traction inverter is considered. After introducing the driving cycle used to evaluate the range, the time graphs of currents and voltages applied by the inverter to the traction motor along the driving cycle are calculated. A loss model for Si and SiC devices is then formulated, and the losses of the Si IGBT inverter over the driving cycle are found and compared to the losses obtainable with a SiC MOSFET inverter. For the case study, the analysis shows that a SiC MOSFET inverter can extend the electric car range up to 5%.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126742939","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
Design, modelling, fabrication and control of an attraction type lévitation prototype 设计、建模、制造和控制一个吸引型的电子烟原型
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042050
J. Kundu, M. Sengupta, A. Sengupta
{"title":"Design, modelling, fabrication and control of an attraction type lévitation prototype","authors":"J. Kundu, M. Sengupta, A. Sengupta","doi":"10.1109/PEDES.2014.7042050","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042050","url":null,"abstract":"This paper describes the design, modelling, fabrication and control of an attraction type electromagnetic lévitation prototype with single-axis control. The system is simulated using standard FEM packages and used in control system related investigations. The mathematical model of the system has also been derived. Experiments have also been carried out. Practically evaluated system parameters show excellent agreement with the values estimated using FEM calculations. Two stabilising controllers, an inner current controller (P controller) and an outer position controller (lead compensator) have been designed for this system and also implemented on the practical setup.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124363293","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
Analytical evaluation of the peak-to-peak ripple current in the filter inductor for a space vector modulated grid-tied VSI 空间矢量调制并网VSI滤波器电感中峰间纹波电流的分析评价
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2014-12-01 DOI: 10.1109/PEDES.2014.7042138
Saurabh Tewari, K. Basu, A. Somani
{"title":"Analytical evaluation of the peak-to-peak ripple current in the filter inductor for a space vector modulated grid-tied VSI","authors":"Saurabh Tewari, K. Basu, A. Somani","doi":"10.1109/PEDES.2014.7042138","DOIUrl":"https://doi.org/10.1109/PEDES.2014.7042138","url":null,"abstract":"Two level voltage source inverters are extensively employed to integrate renewable energy sources and storage with the grid. The output voltage of the inverter, modulated with conventional space vector PWM, contains switching frequency components along with the desired grid frequency component. Usually a filter inductor or an LCL filter is used to remove these high frequency components resulting in low THD in the grid current. Either all, or a majority of the higher frequency components of the inverter output voltage appear across the inverter-side filter inductance, resulting in ripple current through it. This paper presents an analytical estimation of the peak-to-peak ripple current as a function of the modulation index, essential for the design of the filter. Simulation results confirm the analytical prediction of the ripple current.","PeriodicalId":124701,"journal":{"name":"2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121492391","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: 7
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