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2015 International Conference on Clean Electrical Power (ICCEP)最新文献

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Effect of full converter wind turbines on inter-area oscillation of power systems 全变流器风力发电机组对电力系统区域间振荡的影响
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177635
Hanieh Hajizadeh Askari, Seyedmostafa Hashemi, R. Eriksson, Qiuwei Wu
{"title":"Effect of full converter wind turbines on inter-area oscillation of power systems","authors":"Hanieh Hajizadeh Askari, Seyedmostafa Hashemi, R. Eriksson, Qiuwei Wu","doi":"10.1109/ICCEP.2015.7177635","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177635","url":null,"abstract":"By increasing in the penetration level of wind turbines, the influence of these new added generation units on the power system oscillations specifically inter-area oscillations has to be thoroughly investigated. In this paper, the impact of increasing in the penetration of full rate converter wind turbines (FRC-WTs) on the inter-area oscillations of power system is examined. In order to have a comprehensive evaluation of the effects of FRC-WT on the inter-area oscillations, different scenarios associated with the wind power penetration levels, wind farm locations, strength of interconnection line, and different operating conditions of synchronous generators are investigated. The synchronous generators, exciter systems and power system stabilizers (PSSs) as well as the FRC-WT grid-side converter and its related controllers are modelled in detail in Matlab in order to evaluate the effects of FRC-WTs on the inter-area mode oscillations precisely. The results show that FRC-WTs can affect the inter-area oscillations considerably in some simulation scenarios.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132537037","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: 5
Active front end in presence of voltage notches 存在电压缺口的有源前端
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177593
A. Ndokaj, A. Di Napoli
{"title":"Active front end in presence of voltage notches","authors":"A. Ndokaj, A. Di Napoli","doi":"10.1109/ICCEP.2015.7177593","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177593","url":null,"abstract":"In this paper the behavior of an Active Front End Converter in the presence of repetitive voltage sags is presented. An overview of the simulation model of the Active Front End is given together with the control principle. Different conditions of repetitive notches are studied and simulation results are presented in this paper.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130750746","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
A novel approach in multi-port DC/DC converter control 一种多端口DC/DC变换器控制新方法
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177599
A. E. Tironi, B. Corti, C. G. Ubezio
{"title":"A novel approach in multi-port DC/DC converter control","authors":"A. E. Tironi, B. Corti, C. G. Ubezio","doi":"10.1109/ICCEP.2015.7177599","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177599","url":null,"abstract":"DC networks and storage systems are able to guarantee high reliability and continuity of supply to DC loads. They are also easily connectable to the majority of renewable sources, such as PV plants, due to the fact that they already work in DC. In this paper a multi-port DC/DC converter topology and a new control strategy are proposed. Following definition of each port's aim, the management algorithm (based on voltage droops) permits control of the power flow among ports, even if some of them are not working.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128451394","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
DC fault detection in VSC-based HVDC grids used for the integration of renewable energies 基于vsc的可再生能源一体化高压直流电网直流故障检测
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177591
G. Buigues, V. Valverde, I. Zamora, D. M. Larruskain, O. Abarrategui, A. Iturregi
{"title":"DC fault detection in VSC-based HVDC grids used for the integration of renewable energies","authors":"G. Buigues, V. Valverde, I. Zamora, D. M. Larruskain, O. Abarrategui, A. Iturregi","doi":"10.1109/ICCEP.2015.7177591","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177591","url":null,"abstract":"Considering the relevance that HVDC systems are expected to have in the future of power networks, this paper aims to provide a wide overview of the protection against DC faults. In particular, the detection and location techniques that have been proposed to date are analyzed, focusing on the approaches that are set to be applied in modern HVDC networks, which comprise VSC-HVDC and MTDC systems. Although these systems present a series of remarkable advantages compared to the traditional LCC-HVDC systems, they require a fast detection and tripping of the fault, which is an important challenge in the design of the protection system.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126837519","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: 17
Overvoltages and power oscillations in hydro generators 水轮发电机的过电压和功率振荡
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177547
Z. Maljkovic, I. Gašparac, M. Miroševic
{"title":"Overvoltages and power oscillations in hydro generators","authors":"Z. Maljkovic, I. Gašparac, M. Miroševic","doi":"10.1109/ICCEP.2015.7177547","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177547","url":null,"abstract":"The paper describes two specific transient phenomena of different characteristic frequencies. First, a short overview of a calculation of overvoltages in the generator main electrical circuit of a hydro power station is presented. A case of a generator connected to the step-up transformer through encapsulated lines has been studied. The most critical cases have been considered: overvoltages at a single phase earth fault in the generator circuit and temporary overvoltages due to the single phase earth fault followed by the load rejection. The calculations have been carried out by EMTP-ATP and MicroTran program. Second, electric power oscillations in hydro power plants are not rare. The paper shows two cases in two different power plants. Each power plant has different generator positions (one vertical and one horizontal bulb type) and therefore different reasons for power oscillations. An overview of those cases is presented supported by measurements and calculated by Matlab.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"160 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125327980","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
Comparison among passive and active rectifier for seawave energy production 无源整流器与有源整流器用于海浪发电的比较
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177562
G. Gruosso, Qi Zhou, F. Bizzozero
{"title":"Comparison among passive and active rectifier for seawave energy production","authors":"G. Gruosso, Qi Zhou, F. Bizzozero","doi":"10.1109/ICCEP.2015.7177562","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177562","url":null,"abstract":"The production of energy from the sea is taking an increasingly important role in energy policy. Among the most promising there is the production of energy by means of Wave Energy Converters (WEC), that allows to exploit the potential of sea waves, starting from their periodic structure. At the same time waveforms that can be obtained from such power take off (PTO) do not allow an effective rectifying in order to have a stable DC-bus for subsequent conversion and transmission of electricity for connections to the network. The proposed approach is based on a point absorber, i.e. a buoy connected directly to a linear tubular generator, connected to an electronic system for either passive or active power rectifier. The simulations focus on the comparison between passive rectifiers (full-bridge diode rectifier and resonant rectifier circuit) and active rectifier (VOC), when a single WEC or an array of WECs is used.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"23 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123729523","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
Archimedes screws for micro hydro induction generation: Effects of the adoption of a frequency converter 阿基米德螺钉用于微水力感应发电:采用变频器的效果
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177586
E. Buffa, L. Ferraris, P. Ferraris, E. Pošković
{"title":"Archimedes screws for micro hydro induction generation: Effects of the adoption of a frequency converter","authors":"E. Buffa, L. Ferraris, P. Ferraris, E. Pošković","doi":"10.1109/ICCEP.2015.7177586","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177586","url":null,"abstract":"In the field of the renewable energy exploitation, it is often at disposal the possibility to obtain electric power along small waterways, with values between 10 and 150 kW (micro hydro). For such cases one of the most suitable solution is the one which provides as hydromechanics turbine a cochlea, which was used in the past mainly for water pumping plants; the described solution is often indicated as Archimedes Screw Generator (ASG). Such a technical solution is more and more frequently adopted for economical reasons, and present a very large application field, with the possibility to exploit situations otherwise not convenient; an ASG provides normally an induction generator directly connected to the mains. After a short description of the mentioned systems and of their working principle, the proposal of the adoption of a frequency converter drive between the induction generator and the mains is discussed under both the technical and economical point of view.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"39 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126751159","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: 5
Balancing control based on states of charge and states of health estimates at cell level 基于细胞水平上的充电状态和健康状态估计来平衡控制
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177624
X. Pichon, J. Crebier, D. Riu, A. Collet
{"title":"Balancing control based on states of charge and states of health estimates at cell level","authors":"X. Pichon, J. Crebier, D. Riu, A. Collet","doi":"10.1109/ICCEP.2015.7177624","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177624","url":null,"abstract":"Optimized balancing strategies are required to manage in the long-term the imbalances in batteries with cells strings. They are usually based on voltage monitoring and/or instantaneous estimates of the cells states of charge and aim to equalize the states of the cells at the end of a charge. The present paper proposes to take benefit from estimates of the cells capacity disparities to optimize these strategies. It allows the battery management system to predict the balancing needs in order that each of the cells reaches its individualized objective. After the presentation of the algorithm principle, a focus is done on passive balancing systems. They are implemented for numeric simulations with a Li-ion battery.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114214189","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
Modelling of wind energy resources and wind farm power outputs using Nested Markov Chain approach 利用嵌套马尔可夫链方法对风能资源和风力发电场功率输出进行建模
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177630
S. Djokic, B. Hayes, R. Langella, A. Testa
{"title":"Modelling of wind energy resources and wind farm power outputs using Nested Markov Chain approach","authors":"S. Djokic, B. Hayes, R. Langella, A. Testa","doi":"10.1109/ICCEP.2015.7177630","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177630","url":null,"abstract":"Accurate representation of wind energy resources is essential for the correct assessment of outputs of wind-based electricity generation systems. This paper uses \"Nested Markov Chains\" (NMC) approach, instead of the standard Markov Chain methodologks, for a more accurate representation of statistical and temporal characteristics of the modelled wind energy resources, as well as for the estimation of the power/energy outputs of a wind farm. The presented NMC approach uses equivalent power curve of the whole modelled wind farm for the selection of NMC states, which is an approach directly related to the actual conversion process of wind energy into the electricity at the considered wind farm site. The presented NMC model is validated using recorded wind speed data sets, as well as recorded power outputs from an actual wind farm.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"396 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114098734","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
Parameters identification of the single-diode model for amorphous photovoltaic panels 非晶光伏板单二极管模型参数辨识
2015 International Conference on Clean Electrical Power (ICCEP) Pub Date : 2015-06-16 DOI: 10.1109/ICCEP.2015.7177608
G. Petrone, G. Spagnuolo
{"title":"Parameters identification of the single-diode model for amorphous photovoltaic panels","authors":"G. Petrone, G. Spagnuolo","doi":"10.1109/ICCEP.2015.7177608","DOIUrl":"https://doi.org/10.1109/ICCEP.2015.7177608","url":null,"abstract":"The single-diode model, which is widely used for describing the behaviour of the photovoltaic crystalline and multi-crystalline cells, requires to be properly adapted for reproducing the electrical behaviour of amorphous thin film silicon cells. As for the former case, five parameters must be identified for having a good fitting with respect to the experimental measurements or the data reported in the module data sheet. Nevertheless, due to the strong nonlinearity of the model, the fitting procedures suffer from convergency problems and are sensible to the initial guess solution. In this paper a set of explicit equations is developed in order to calculate the approximated values of the five parameters characterising the PV model. These equation have been obtained by extending, to the amorphous case, the procedure already developed for the crystalline single diode model, thus by generalising and reinforcing the validity of that approach. The new formulas have been validated by comparing the results of the proposed approach with the experimental values reported in the data sheet of some amorphous silicon panels.","PeriodicalId":423870,"journal":{"name":"2015 International Conference on Clean Electrical Power (ICCEP)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114702903","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
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