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Economy oriented model predictive load frequency control 面向经济的模型预测负荷频率控制
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204672
D. Rerkpreedapong, N. Atic, A. Feliachi
{"title":"Economy oriented model predictive load frequency control","authors":"D. Rerkpreedapong, N. Atic, A. Feliachi","doi":"10.1109/LESCPE.2003.1204672","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204672","url":null,"abstract":"In this paper, model predictive control (MPC) scheme is used to develop the proposed load frequency controller. In each sampling interval, an optimization procedure is performed to calculate optimal control actions. In addition, it has the ability to incorporate economic objectives as part of control requirements. Here, it applies the wedge control philosophy to minimize unit maneuvering and reversals, which affect load frequency control (LFC) costs. The proposed methodology is tested with a three-area power system. Simulation results show that the proposed LFC successfully complies with NERC's control performance standards, and also achieves the economic objective.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127997969","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: 36
Restructuring and regional transmission organizations in competitive electricity markets in the US 美国竞争性电力市场中的重组和区域输电组织
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204671
H. Yamin
{"title":"Restructuring and regional transmission organizations in competitive electricity markets in the US","authors":"H. Yamin","doi":"10.1109/LESCPE.2003.1204671","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204671","url":null,"abstract":"This paper describes the restructuring of power industry in the US. Costs, benefits and major problems associated with the development of regional transmission organizations (RTOs) are presented. Different models of RTOs are presented and discussed. The similarities and differences between independent system operators (ISOs) and RTOs are analyzed. Finally, the US regional developments are analyzed.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128151822","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
Voltage stability assessment using modal analysis of power systems including flexible AC transmission system (FACTS) 基于模态分析的电力系统(包括柔性交流输电系统)电压稳定性评估
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204688
F.A. El-Sheikhi, Y.M. Saad, S.O. Osman, K. El-Arroudi
{"title":"Voltage stability assessment using modal analysis of power systems including flexible AC transmission system (FACTS)","authors":"F.A. El-Sheikhi, Y.M. Saad, S.O. Osman, K. El-Arroudi","doi":"10.1109/LESCPE.2003.1204688","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204688","url":null,"abstract":"The rapid development of power electronics technology provides exciting opportunities to develop new power system equipment for better utilization of existing systems. During the last decade, a number of control devices under the term flexible AC transmission systems (FACTS) technology have been proposed and implemented. This paper describes a voltage stability comparison study between two FACTS devices on static behavior of a transmission system: a static VAr compensator (SVC) and thyristor switched series capacitor (TSSC). This study has been performed using modal analysis technique. The impact of these devices on voltage stability has been investigated using the 30-bus New-England system.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121336802","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: 16
Graphical user interface (GUI) for arbitrage by strategist/sup ++/ in the deregulated power markets 图形用户界面(GUI)的套利战略家/sup ++/在解除管制的电力市场
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204686
M. Fakhouri, A. H. Al-Hersh, H. Yamin, S.M. Sliahidehpour
{"title":"Graphical user interface (GUI) for arbitrage by strategist/sup ++/ in the deregulated power markets","authors":"M. Fakhouri, A. H. Al-Hersh, H. Yamin, S.M. Sliahidehpour","doi":"10.1109/LESCPE.2003.1204686","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204686","url":null,"abstract":"This paper presents the graphical user interface (GUI) for some of the GENCOs' arbitrage opportunities using Strategist/sup ++/ based on the profit based unit commitment (PBUC) in deregulated power markets. Strategist/sup ++/ is a C++ software package that incorporates a probabilistic approach for the evaluation of composite reliability of generation, load forecast and fuel prices using different probability distributions. GUI is a Visual Basic package incorporated with Microsoft Access and PowerPoint for visualization. GUI provides several simple user interface screens for handling the inputs, processes, and results. Several screens are designed and presented in this paper to show the crucial role for the GUI.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124581355","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
Characterization of Evertroll nickel-zinc batteries Evertroll镍锌电池的特性
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204698
F. P. Tredeau, Z. Salameh
{"title":"Characterization of Evertroll nickel-zinc batteries","authors":"F. P. Tredeau, Z. Salameh","doi":"10.1109/LESCPE.2003.1204698","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204698","url":null,"abstract":"This paper describes the performance of nickel zinc batteries and their suitability for use in electric vehicles. The goals of the evaluation were to find: the ratings of the battery at different temperatures (-20, 0, +20 and +40/spl deg/C); determine the suitability for using this battery in an electric vehicle; and compare the results of different battery discharge algorithms, i.e., constant current, constant power and realistic load (described herein). Testing was done at the Battery Evaluation Lab at UML, which is described herein. The battery parameters measured were terminal voltage, current, case temperature and ambient air temperature. Results of the experiments are as follows: the manufacturer's capacity ratings were confirmed (i.e., 85 A-h); the battery is found to be suitable for use in EVs with superior specific energy and the battery has higher energy capacity at higher temperatures while the charging efficiency is higher at lower temperatures.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126515931","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
The calculated methods of a frequency-dependent series impedance matrix of overhead transmission lines with a lossy ground for transient analysis problem 针对暂态分析问题，提出了含损耗接地架空线路频率相关串联阻抗矩阵的计算方法
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204697
V. Tu, J. Tlustý
{"title":"The calculated methods of a frequency-dependent series impedance matrix of overhead transmission lines with a lossy ground for transient analysis problem","authors":"V. Tu, J. Tlustý","doi":"10.1109/LESCPE.2003.1204697","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204697","url":null,"abstract":"This paper presents frequency-dependent series impedance models of three phase overhead transmission lines, taking into account the influence of bundled conductors using, the skin effect of the conductor, ground-return path with earth resistivity which is as a frequency-dependent complex function. Analysis results are included.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124485328","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
Low cost speed controller for small AC motors 用于小型交流电机的低成本速度控制器
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204680
K. Nigim, S. Ahmed-Zaid
{"title":"Low cost speed controller for small AC motors","authors":"K. Nigim, S. Ahmed-Zaid","doi":"10.1109/LESCPE.2003.1204680","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204680","url":null,"abstract":"The article introduces simple and low cost PWM speed controller for the fractional power AC motors (less than 500 W). Variable speed settings are normally required to match the load requirement, reduce acoustical noise, and energy savings in blenders, air blower etc. In the proposed circuit, one transistor and a diode bridge are configured to vary the AC supply across the motor. Switching the transistor ON and OFF at a fast rate results in variable AC voltage. By using the proposed circuit. the PWM modulated AC supply has high frequency harmonic of which the first harmonic is dependent on the operating switching frequency. This in turn makes filtering the harmonics a simple task. Comparison between the phase controls circuits normally adopted for speed control with the proposed controller was investigated using PSpice models.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123835870","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
Automatic reactive power control of wind-diesel-micro-hydro autonomous hybrid power systems using ANN tuned static VAr compensator 基于人工神经网络调谐静态无功补偿器的风-柴-微水电自主混合电力系统无功自动控制
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204701
R. Bansal, T. Bhatti, D. Kothari
{"title":"Automatic reactive power control of wind-diesel-micro-hydro autonomous hybrid power systems using ANN tuned static VAr compensator","authors":"R. Bansal, T. Bhatti, D. Kothari","doi":"10.1109/LESCPE.2003.1204701","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204701","url":null,"abstract":"This paper presents an artificial neural network (ANN) based approach to tune the parameters of the SVC reactive power controller over a wide range of typical load model parameters. The multi-layer feed-forward ANN with the error back-propagation training is employed to tune the static VAr compensator (SVC) controller for controlling the reactive power of variable slip/speed isolated wind-diesel-micro-hydro hybrid power systems. Transient responses of sample hybrid power system have been presented.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116698690","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: 25
Novel variable voltage variable frequency electric drive 新型变压变频电力驱动
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204677
T. Ortmeyer, L. Ban, K. Joshi, Xiaojiang Yan
{"title":"Novel variable voltage variable frequency electric drive","authors":"T. Ortmeyer, L. Ban, K. Joshi, Xiaojiang Yan","doi":"10.1109/LESCPE.2003.1204677","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204677","url":null,"abstract":"This paper provides a detailed description of the steady state performance of this system, based on a standard gas turbine prime mover. Economic considerations are discussed, as is dynamic performance and speed regulation. This topology would provide a definite advantage in reducing the amount of power electronic converter requirements, and eliminating the converter losses in the main power flow path from the generator to the drive motor. EMI and similar issues involved in switching multi-megawatt power levels would also be alleviated.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114628031","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
The strategy for the maintenance scheduling of the generating units 发电机组检修调度策略
Large Engineering Systems Conference on Power Engineering, 2003 Pub Date : 2003-05-07 DOI: 10.1109/LESCPE.2003.1204699
U. Basaran, M. Kurban
{"title":"The strategy for the maintenance scheduling of the generating units","authors":"U. Basaran, M. Kurban","doi":"10.1109/LESCPE.2003.1204699","DOIUrl":"https://doi.org/10.1109/LESCPE.2003.1204699","url":null,"abstract":"The maintenance schedules of generating units attracts great attention in power system planning and designing, and also operation management. The power system maintenance schedule is a constrained optimization problem. In this paper, objective functions in power system maintenance are obtained and certain constraints are set up. The most used heuristic methods for maintenance schedule optimization are the levelized reserve method and the levelized risk method. They are discussed and used for the maintenance schedule optimization in an interconnected power system. The strategy in the maintenance scheduling of the generation units is also given.","PeriodicalId":226571,"journal":{"name":"Large Engineering Systems Conference on Power Engineering, 2003","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130093171","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: 11
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