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2010 IEEE International Energy Conference最新文献

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A combined high gain observer and high-order sliding mode controller for a DFIG-based wind turbine 基于dfig的风力发电机高增益观测器与高阶滑模控制器的组合
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771699
B. Beltran, M. Benbouzid, T. Ahmed-Ali
{"title":"A combined high gain observer and high-order sliding mode controller for a DFIG-based wind turbine","authors":"B. Beltran, M. Benbouzid, T. Ahmed-Ali","doi":"10.1109/ENERGYCON.2010.5771699","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771699","url":null,"abstract":"This paper deals with the power generation control in variable speed wind turbines. In this context, a control strategy is proposed to ensure power extraction optimization of a DFIG-based wind turbine. The proposed control strategy combines an MPPT using a high gain observer and second-order sliding mode for the DFIG control. This strategy presents attractive features such as chattering-free behavior, finite reaching time, robustness and unmodeled dynamics (generator and turbine). The overall strategy has been validated on a 1.5-MW three-blade wind turbine using the NREL wind turbine simulator FAST.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123870774","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: 15
A comparison between distributed generation and utility plants: Technical, economic and environmental aspects 分布式发电与公用电厂的比较:技术、经济和环境方面
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771746
N. Anglani, G. Petrecca
{"title":"A comparison between distributed generation and utility plants: Technical, economic and environmental aspects","authors":"N. Anglani, G. Petrecca","doi":"10.1109/ENERGYCON.2010.5771746","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771746","url":null,"abstract":"Cogeneration is generally used in the heat and power configuration; the trigeneration includes the production of cooling energy from the prime motor heat recovery, the distributed generation is thus able to meet different energy requirements whether it be electricity, heat and cold. Utility plants only produce electricity and need cooling media such as river or sea water. Under an optimal deployment standpoint, distributed cogeneration means energy cost saving for the end user and primary energy saving for the country where the plant is installed. Besides, environmental advantages should be reached in terms of pollution reduction, reduction of the landscape impact and possibility of using renewable sources. The increase of utility plants efficiency, up to 60% in large combined cycle power plants (GTCC), may jeopardize the advantages associated with distributed generation. This can occur even in the case of cogeneration, when heat recovery is not thoroughly designed and exploited. This paper reports a comparison between distributed generation (both cogeneration and trigeneration) and utility plants, by looking at technical, economic and environmental aspects under different working conditions.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121174929","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
Forecasting prices in the liberalized electricity market using the hybrid models 利用混合模型预测开放电力市场的电价
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771706
V. Kurbatsky, N. Tomin
{"title":"Forecasting prices in the liberalized electricity market using the hybrid models","authors":"V. Kurbatsky, N. Tomin","doi":"10.1109/ENERGYCON.2010.5771706","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771706","url":null,"abstract":"The paper presents the results of experimental studies of forecasting prices in the liberalized electricity market. To increase the accuracy price forecasting proposes the hybrid models based on joint usage of the neural network technologies together with Hilbert-Huang Transform. The application of developed hybrid models for hourly prices forecasting has demonstrated the whole accuracy increase forecast","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121650268","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
Efficient performance indices for voltage collapse detection 电压崩溃检测的高效性能指标
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771671
A. El-Ela, A. Kinawy, M. Mouwafi, R. A. Sehiemy
{"title":"Efficient performance indices for voltage collapse detection","authors":"A. El-Ela, A. Kinawy, M. Mouwafi, R. A. Sehiemy","doi":"10.1109/ENERGYCON.2010.5771671","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771671","url":null,"abstract":"This paper proposes four performance indices (PIs) for efficient detecting the most weakness load buses which may be subjected to voltage collapse occurrence at different operating conditions. The classification of the suggested ranking PIs are dependent on their severity on the voltage collapse. The suggested PIs are based on physical quantities as equivalent system impedance and the related load impedance at each load bus, equivalent system admittance and the related load admittance at each load bus for different operating conditions. These PIs derived based on circuit theory applied to passive linear network power systems and tested using two standard systems, namely IEEE 14-bus and 30-bus test systems. The results detect efficiently the most sever load buses which may be subjected to voltage collapse occurrence.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131930939","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
Demand-side energy management performed using direct feedback via mobile systems: Enables utilities to deploy consumer based demand response programs 通过移动系统的直接反馈进行需求方能源管理：使公用事业公司能够部署基于消费者的需求响应计划
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771670
M. Abdullah, B. Dwolatzky
{"title":"Demand-side energy management performed using direct feedback via mobile systems: Enables utilities to deploy consumer based demand response programs","authors":"M. Abdullah, B. Dwolatzky","doi":"10.1109/ENERGYCON.2010.5771670","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771670","url":null,"abstract":"Electricity demand in developing countries is expected to rise significantly by the year 2020. Electricity consumers in both developed and developing countries are not active participants in the operations of electrical networks. Research has shown that significant benefits may be achieved when consumers participate in such electrical network operations. In these instances consumers were able to reduce their electrical energy consumption via coordinated demand response programs. However, there are some challenges in offering or deploying a consumer-based demand response program. This paper presents a novel system which enables electrical utilities to provide their consumers with a consumer-based demand response program.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131177357","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
Using responsive loads as a tool for congestion management and system loss reduction 使用响应式负载作为拥塞管理和减少系统损耗的工具
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771789
J. Mohammadi, H. Ghasemi, J. Saebi, M. Sheikh‐El‐Eslami
{"title":"Using responsive loads as a tool for congestion management and system loss reduction","authors":"J. Mohammadi, H. Ghasemi, J. Saebi, M. Sheikh‐El‐Eslami","doi":"10.1109/ENERGYCON.2010.5771789","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771789","url":null,"abstract":"The main objective of the electricity market players is to maximize their profits. In this environment, maintaining reliability of power systems as one of the tasks of independent system operators (ISO) is of paramount importance; the ISO should ensure that necessary resources are available to maintain system security and reliability. As one of these resources, responsive loads can be used by the ISO to improve social welfare, to relief congestion and to maintain acceptable voltage levels across the system congestion. This paper suggests a method to clear intraday market which utilizes load bids as well as generators offers. In the selection process, the contribution of each load on system losses and congestion is considered while trying to minimize payment for these loads. The proposed method is implemented on a 5-bus system, and the IEEE 14-bus test system. The results have been compared to the ones obtained from other methods and show a relative improvement in system total losses and line loadings.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131201478","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
Disturbance control of the hydraulic brake in a wind turbine 风力发电机液压制动器的扰动控制
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771739
Frank Jepsen, A. Soborg, Zhenyu Yang
{"title":"Disturbance control of the hydraulic brake in a wind turbine","authors":"Frank Jepsen, A. Soborg, Zhenyu Yang","doi":"10.1109/ENERGYCON.2010.5771739","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771739","url":null,"abstract":"This paper discusses control of the brake torque from the mechanical disc brake in a wind turbine. Brake torque is determined by friction coefficient and clamp force; the latter is the main focus of this paper. Most mechanical disc brakes are actuated by hydraulics, which means that controlling caliper pressure is the key to controlling clamp force. A pressure controller is implemented on a laboratory-sized test system and uses a disturbance estimator to reject disturbances in order to track a reference curve. The estimator is capable of estimating both input equivalent disturbances and disturbances caused by brake disc irregularities. The controller can reject input equivalent disturbances and a strategy for cancelling the disturbance from the brake disc is proposed.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133114667","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
Fuel-parity: New very large and sustainable market segments for PV systems 燃料平价:光伏系统新的非常大且可持续的细分市场
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771714
C. Breyer, A. Gerlach, D. Schafer, J. Schmid
{"title":"Fuel-parity: New very large and sustainable market segments for PV systems","authors":"C. Breyer, A. Gerlach, D. Schafer, J. Schmid","doi":"10.1109/ENERGYCON.2010.5771714","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771714","url":null,"abstract":"Global power plant capacity largely depends on burning fossil fuels. Increasing global demand and degrading and diminishing fossil fuel resources are fundamental drivers for constant fossil price escalations. Price trend for solar PV electricity is vice versa. Fuel-parity concept, i.e. PV systems lower in cost per energy than fuel-only cost of fossil fired generators and power plants, well describes the fast growing economic benefit of PV systems. Fuel-parity is already reached in first markets and first applications and will establish very large markets in the 2010s. Solar PV electricity will become a very competitive energy option for most regions in the world.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124294659","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: 39
A novel model to study the VFT performance when controlling power transfer between weak and strong AC grids using MATLAB/SIMULINK 利用MATLAB/SIMULINK建立了一种新的模型，研究了VFT在控制强弱交流电网之间功率传输时的性能
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771673
A. H. El Din, M. A. Abdullah, M. Ibrahim
{"title":"A novel model to study the VFT performance when controlling power transfer between weak and strong AC grids using MATLAB/SIMULINK","authors":"A. H. El Din, M. A. Abdullah, M. Ibrahim","doi":"10.1109/ENERGYCON.2010.5771673","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771673","url":null,"abstract":"This paper represents a new model of the Variable Frequency Transformer (VFT) usingMATLAB/SIMULINK. The VFT is used to connect two power systems. The simulations shown in the paper accurately represents the VFT's dynamic characteristics. Based on this model, some further simulations are conducted to study VFT's characteristics under fault conditions. The simulation results show that the VFT prevents the faults from spreading. Also the effect of the change of the frequency on VFT operation is provided.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114398092","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
Fault tree analysis and process instrumentation of S2WRS based hydrogen cooling system 基于S2WRS的氢冷却系统故障树分析及过程仪表
2010 IEEE International Energy Conference Pub Date : 2010-12-01 DOI: 10.1109/ENERGYCON.2010.5771709
G. Biswal, R. Maheshwari, M. Dewal
{"title":"Fault tree analysis and process instrumentation of S2WRS based hydrogen cooling system","authors":"G. Biswal, R. Maheshwari, M. Dewal","doi":"10.1109/ENERGYCON.2010.5771709","DOIUrl":"https://doi.org/10.1109/ENERGYCON.2010.5771709","url":null,"abstract":"A comprehensive hydrogen cooling system (HCS) is required for cooling of the generators of 2×300 MW unit power plant at a pressure of 4 to 5 bar. The faster heat dissipation of generators depends on purity of hydrogen (H2), as it improves its ability to dissipate heat within generators. Therefore, the process involved should be reliable enough to maintain the availability of Hydrogen as and when required at desired pressure. Thus, the requirement of a highly reliable and efficient process instrumentation system is a must. The key focus of this paper is to present fault tree analysis (FTA) having improved system reliability of proposed model as compared to existing available systems. A novel six stages warm redundant structured (S2WRS) HCS for cooling of the generators in typical thermal power plant is proposed. The system reliability test of proposed S2WRS model is simulated using MATLAB. The entire process instrumentation system is designed and simulated on RSViewSE, a real-time supervisory control and data acquisition (SCADA) platform by Rockwell Automation. This process model is designed as per specifications guided by IEEE C37.1–2007, IEEE 1413–2003, IEEE 493–1997, IEC 60034–3, IEC 61025 and IEC 61131–3.","PeriodicalId":386008,"journal":{"name":"2010 IEEE International Energy Conference","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114479589","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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