International journal of energy engineering最新文献_第7页

Modeling and Simulation of Backup Control Room for PFBR Operator Training Simulator PFBR操作员训练模拟器后备控制室建模与仿真

International journal of energy engineering Pub Date : 2012-08-09 DOI: 10.5923/J.IJEE.20120204.03

Rashmi Nawlakha, N. Jasmine, B. Raju, H. Seetha, T. Jayanthi, S. Satyamurty

{"title":"Modeling and Simulation of Backup Control Room for PFBR Operator Training Simulator","authors":"Rashmi Nawlakha, N. Jasmine, B. Raju, H. Seetha, T. Jayanthi, S. Satyamurty","doi":"10.5923/J.IJEE.20120204.03","DOIUrl":"https://doi.org/10.5923/J.IJEE.20120204.03","url":null,"abstract":"One of the key elements considered for safe operation of the Nuclear Power Plant is the knowledge possessed by the operators. Plant safety is ensured by inducting well trained operators and engineers having domain knowledge and experience in the related field. Getting acquainted and trained in the simulator environment definitely yields best results when it comes to handling a crisis or an emergency situation by the operators in a plant. High fidelity Full Scope Simulator plays a major role in providing such training platform for imparting comprehensive training on various plant conditions. Modeling and Simulation of Backup Control Room (BCR) is a part of Prototype Fast Breeder Reactor (PFBR) Operator Training Simulator. This paper discusses about various steps involved in Modeling and Simulation of BCR mainly Virtual panel simulation, the associated logic and control simulation, data collection, naming of process variables, interfacing with the associated processes and integration and testing of BCR with Simulator Environment. The need of BCR in Nuclear Power Plant, its location in plant and various features are also included here.","PeriodicalId":14041,"journal":{"name":"International journal of energy engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73978907","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

Energy Optimization at Datacenters in Two Different Locations of Nigeria 尼日利亚两个不同地点数据中心的能源优化

International journal of energy engineering Pub Date : 2012-08-09 DOI: 10.5923/J.IJEE.20120204.07

Vincent Anayochukwu Ani, A. N. Nzeako, J. C. Obianuko

引用次数: 11

A Revitalized Steam Lab and Its Impacts on Both Industry and Engineering Education 振兴蒸汽实验室及其对工业和工程教育的影响

International journal of energy engineering Pub Date : 2012-08-09 DOI: 10.5923/J.IJEE.20120204.01

T. Kozman, Yucheng Liu, W. Simon, J. Guidry

引用次数: 2

Modeling and Power Quality Improvement of Grid Connected Induction Generators Driven by Turbo-Expanders 汽轮膨胀机驱动并网感应发电机建模及电能质量改进

International journal of energy engineering Pub Date : 2012-08-09 DOI: 10.5923/J.IJEE.20120204.04

Mehdi Taleshian, H. Rastegar, H. Abyaneh

{"title":"Modeling and Power Quality Improvement of Grid Connected Induction Generators Driven by Turbo-Expanders","authors":"Mehdi Taleshian, H. Rastegar, H. Abyaneh","doi":"10.5923/J.IJEE.20120204.04","DOIUrl":"https://doi.org/10.5923/J.IJEE.20120204.04","url":null,"abstract":"Nowadays, the energy crisis has forced the need to recover the energy which is normally wasted in industrial processes. Gas pressure reducing process in city or power plant gas stations is one of these processes in which the energy is wasted. This work is done by turbo-expanders in parallel with gas regulating valves. In electrical industry, these devices drive generators to produce electrical power from the main process. In this paper a model for turbo-expander is presented. This model which utilizes an online calculation method is more efficient and simpler than the older offline model which surmounts the need for making complicated lookup tables prior to calculation. Because of instantaneous varying of domestic consumptions, environment temperature and other effective parameters, turbo-expander inlet gas pressure and mass flow-rate vary with time and consequently the extracted power has time variant specification and causes some power quality issues such as voltage flicker, voltage sag, etc. So, this system is simulated and power quality issues are investigated for a fault occurring at the point of common coupling (PCC). Then, the flicker in electrical waveforms due to change in input pressure or mass flow rate is investigated. Since the power quality problems due to disturbances are considerable, a D-STATCOM is designed and connected at PCC and it is shown that the STATCOM has improved the power quality problems of the system.","PeriodicalId":14041,"journal":{"name":"International journal of energy engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73330876","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: 13

Study of Selective Surface of Solar Heat Receiver 太阳能吸热器选择表面的研究

International journal of energy engineering Pub Date : 2012-08-09 DOI: 10.5923/J.IJEE.20120204.05

F. Mammadov

引用次数: 22

Adaptive UFLS Schemes in Modern Power Systems– Conceptual and Simulation Proved Comparison 现代电力系统中的自适应UFLS方案——概念与仿真验证比较

International journal of energy engineering Pub Date : 2012-05-09 DOI: 10.5923/J.IJEE.20120203.07

U. Rudež, R. Mihalic

{"title":"Adaptive UFLS Schemes in Modern Power Systems– Conceptual and Simulation Proved Comparison","authors":"U. Rudež, R. Mihalic","doi":"10.5923/J.IJEE.20120203.07","DOIUrl":"https://doi.org/10.5923/J.IJEE.20120203.07","url":null,"abstract":"In recent decades, the advantages of a fast development in the computer and communication technology have been successfully harvested in the majority of technological areas for updating various mechanisms and processes. Power system control and protection is no exception. However, actual implementation of modern technologies into power system control and protection mechanisms depends on a country - in some of them it is rather dare and open-minded, in some of them it is very conventional. This also goes for underfrequency load shedding protection. In case of a sudden underfre- quency conditions appearance in the power system only a centralized gathering of measurements and global actions (e.g. use of so-called WAMPAC technology - Wide Area Measurement Protection And Control) can represent an appropriate approach to a global problem. In such circumstances, underfrequency load shedding is often the last resort tool for avoiding a total power system blackout. It's appropriate actions are of great importance both from technological and economical point of view. In this paper several different adaptive approaches are presented and compared in their efficiency via testing on two different dynamic power system models. First scheme is a typical adaptive scheme with calculation of active power deficit and equal distribution of the calculated value among four different load shedding steps. Second scheme involves some modification of shedding steps amount according to frequency first time derivative change between two steps. Other two schemes are of predictive type and shed load according to the prediction of minimal frequency value after active power deficit occurrence. Tests have shown that predictive schemes yield best results and therefore should be strongly considered as an actual possibility for power system implementation in the future.","PeriodicalId":14041,"journal":{"name":"International journal of energy engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81906108","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

Advance Application of Wind Energy and Wind Power in Louisiana 风能和风力发电在路易斯安那州的应用进展

International journal of energy engineering Pub Date : 2012-05-09 DOI: 10.5923/J.IJEE.20120203.01

Yucheng Liu, S. J. Chu

{"title":"Advance Application of Wind Energy and Wind Power in Louisiana","authors":"Yucheng Liu, S. J. Chu","doi":"10.5923/J.IJEE.20120203.01","DOIUrl":"https://doi.org/10.5923/J.IJEE.20120203.01","url":null,"abstract":"Abstract In recent years, many nations have been creating newer, more efficient sources of energy and appropriate legislation with which to drive these new economic frontiers. Wind power or wind energy is one of those energy sources that is used for generating electricity and helping us up to a large extent to cope with humankind’s increasing needs and demands of electricity. Countries in Europe, parts of Asia, and the Americas, such as the U.S., China, and Germany, are in the forefront of this technological and environmental revolution, and, as a result, have seen large support and success in the endeavor for clean energy. Modern variableaxis wind turbines have been and are continuing to be very popular and mo- d-erately efficient forms of this clean energy. Changes in American energy policy have facilitated the transition towards new energy systems, including wind energy; however, Louisiana—which is largely an oil and gas state—is not showing much, if any, initiative to capitalize and integrate towards these energy sources. An outline of the economic growth of Europe, China, and the whole U.S.A will show that this industry, supported by manufacturers and labor sources, is a viable and profitable form of clean energy.","PeriodicalId":14041,"journal":{"name":"International journal of energy engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90309597","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

Optimal Placement and Sizing of DG in Radial Distribution Networks Using SFLA 基于SFLA的径向配电网DG优化配置与分级

International journal of energy engineering Pub Date : 2012-05-09 DOI: 10.5923/J.IJEE.20120203.03

E. Afzalan, M. Taghikhani, M. Sedighizadeh

引用次数: 67

Performance Evaluation of Kiln for Cashew Nut Shell Carbonization and Liquid 腰果壳炭化液相窑的性能评价

International journal of energy engineering Pub Date : 2012-05-09 DOI: 10.5923/J.IJEE.20120203.04

S. Sengar, A. Mohod, Y. P. Khandetod

{"title":"Performance Evaluation of Kiln for Cashew Nut Shell Carbonization and Liquid","authors":"S. Sengar, A. Mohod, Y. P. Khandetod","doi":"10.5923/J.IJEE.20120203.04","DOIUrl":"https://doi.org/10.5923/J.IJEE.20120203.04","url":null,"abstract":"Cashew nut shell (CNS) was utilized for carbonization in developed prototype kiln. Prototype kiln was evalu- ated with direct and indirect methods and characteristics of CNS and CNS char were determined by proximate and ultimate analysis. The maximum CNS temperatures obtained inside the kiln during direct and indirect method were recorded as 452.2℃ and 458.8℃ respectively. Maximum oil percentage, charcoal percentage and ash percentage in direct method were observed as 21.1 per cent, 21.04 per cent and 3.34 per cent respectively whereas 23.8 per cent, 18.3 per cent and 1.27 per cent in indirect method respectively. Hydrogen content in CNS was found about 6 to 7 per cent and nitrogen content in CNS was found about 0.70 to 0.75 per cent. Oxygen content in CNS was observed about 29 to 31 percent. Carbon, hydrogen and nitrogen content of the CNS char were observed in the range of 73 to 76 per cent, 4 to 5 per cent and 1 to 2 per cent respec- tively. It was found that nitrogen content has increased in CNS char after the carbonization of CNS. Oxygen content in the CNS char gets reduced to 13 to 14 percent, which was comparatively very less than CNS. It was observed that indirect method is more suitable for carbonization than direct method for obtaining higher calorific value char and maximum fixed carbon percentage as found in cashew nut shell char as 60 per cent.","PeriodicalId":14041,"journal":{"name":"International journal of energy engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2012-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77548510","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

Optimized Modeling of Transformer in Transient State with Genetic Algorithm 基于遗传算法的变压器暂态优化建模

International journal of energy engineering Pub Date : 2012-05-09 DOI: 10.5923/J.IJEE.20120203.08

M. Bigdeli, E. Rahimpour

引用次数: 2