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Статті в журналах з теми "Simulation accuracy in power engineering"
Zheng, Hui Ping, Min Xue, Yan Zhao, Xin Yuan Liu, and Yu Han. "A Comprehensive Evaluation Method on Dynamic Simulation Accuracy of Power System." Applied Mechanics and Materials 541-542 (March 2014): 869–74. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.869.
Повний текст джерелаBu, Jing, and Ning Qiang Jiang. "Analysis of Power System’s Critical Damping." Advanced Materials Research 219-220 (March 2011): 586–90. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.586.
Повний текст джерелаJin, Ge, Shu Chang Liu, and Ding Cai. "Research of Turbine Model Accuracy Based on Actual Data." Advanced Materials Research 960-961 (June 2014): 1424–28. http://dx.doi.org/10.4028/www.scientific.net/amr.960-961.1424.
Повний текст джерелаLi, Lan, Yong Hui He, and Bo Wang. "Comparison of Methods of Maximum Power Point Tracking of Photovoltaic Cells." Applied Mechanics and Materials 380-384 (August 2013): 3362–65. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.3362.
Повний текст джерелаTant, Jeroen, and Johan Driesen. "On the Numerical Accuracy of Electromagnetic Transient Simulation With Power Electronics." IEEE Transactions on Power Delivery 33, no. 5 (October 2018): 2492–501. http://dx.doi.org/10.1109/tpwrd.2018.2797259.
Повний текст джерелаFrivaldsky, Michal, Jan Morgos, Michal Prazenica, and Kristian Takacs. "System Level Simulation of Microgrid Power Electronic Systems." Electronics 10, no. 6 (March 10, 2021): 644. http://dx.doi.org/10.3390/electronics10060644.
Повний текст джерелаPollmeier, K., C. R. Burrows, and K. A. Edge. "Partitioned Simulation of Fluid Power Systems—an Approach for Reduced Communication between Processors." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 210, no. 4 (November 1996): 221–30. http://dx.doi.org/10.1243/pime_proc_1996_210_461_02.
Повний текст джерелаMalik, N. H., and A. A. Al-Arainy. "Capacitance Calculation of Three Core Belted Power Cables." International Journal of Electrical Engineering & Education 25, no. 1 (January 1988): 27–32. http://dx.doi.org/10.1177/002072098802500107.
Повний текст джерелаDinkelbach, Jan, Ghassen Nakti, Markus Mirz, and Antonello Monti. "Simulation of Low Inertia Power Systems Based on Shifted Frequency Analysis." Energies 14, no. 7 (March 27, 2021): 1860. http://dx.doi.org/10.3390/en14071860.
Повний текст джерелаNohacova, Lucie, and Karel Nohac. "Dynast – Computer Program Used in Power Engineering." Applied Mechanics and Materials 284-287 (January 2013): 1035–38. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.1035.
Повний текст джерелаДисертації з теми "Simulation accuracy in power engineering"
Mesbahi, Abdessamad. "Deterministic and Stochastic Economic Modeling of Hybrid Power Supply System with Photovoltaic Generators." Master's thesis, КПІ ім. Ігоря Сікорського, 2021. https://ela.kpi.ua/handle/123456789/42555.
Повний текст джерелаJarmander, Sara. "Wind Power Forecast Accuracy in Scandinavia:Analysis of Forecast Errors Using TAPM." Thesis, KTH, Kraft- och värmeteknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-226146.
Повний текст джерелаVindkraft är en förnybar energikälla som skiljer sig på flera sätt jämfört med konventionell energiproduktion. Konvensionell produktion avser planerbar och icke väderberoende energiproduktion som dessutom är synkront kopplad till elnätet, exempelvis vattenkraft och kärnkraft. Den huvudsakliga skillnaden är att energiproduktionen från vindkraftverk är direkt kopplad till meteorologiska förhållanden och är därmed beroende av de rätta väderbetingelserna för att kunna producera el, framförallt rådande vindhastigheter. Detta innebär att elproduktionen varierar på ett oförutsägbart sätt vilket medför att den producerade elkraften från vindkraftverk är mindre stabil jämfört med elkraft som utnyttjar konventionells krafttekniker. En ökad andel variabel elproduktion från vindkraft medför stora utmaningar för det befintliga och framtida kraftsystemet. Den främsta utmaningen är att upprätthålla balansen i systemet, både i det korta och långa tidsperspektivet. Om inga åtgärder genomförs förväntas kraftsystemets utformning och egenskaper att bli sämre i form av ökad känslighet för störningar och försämrad leveranstid. En ökad förståelse för vindkraftsproduktionens variabilitet och förutsägbarhet är därmed av intresse för att kunna förbättra integrationen av variabel vindkraftsproduktion. Prognosmodeller för vindkraftsproduktion (analogt med prognoer för vindhastighet) utgör en viktig faktor i detta. I denna studie har noggrannheten av numeriska väderprognoser (NWP) analyserats. Analysen genomfördes för fyra skandinaviska vindkraftparker mellan 1 september 2013 och 31 december 2016. De granskade parkerna var: Rødsand II, Kårehamn, Jokkmokksliden och Storliden. Den numeriska prognosmodell som används i denna studie var The Air Pollution Model (TAPM). TAPM utvecklades i Australien och modellen bygger på observationsbaserade meterologiska input. TAPM är i själva verket ansluten till globala databaser med struktuerad meterologisk data bestående av bland annat terränghöjd, vegetation och synoptisk metrologisk information. TAPM har tidigare tillämpats för att förutspå vindhastigheter för ett flertal vindkraftparker i Australien och ett antal platser i USA. Inga tidigare studier har dock gjorts för scandinaviska förhållanden. Det huvudsakliga målet med denna studie var därmed att undersöka huruvida biaskorrigerade metoder kan förbättra noggrannheten av okorrigerade TAPMprognoser för de fyra utvalda vindkraftparkerna. Denna studie avsåg även att undersöka om prognosernas noggrannhet skiljer sig nämnvärt mellan skandinaviska och australienska väderförhållanden. Numeriska modeller innehåller alltid fel jämför med de ”sanna” värdena. Resultatet av denna studie indikerade att TAPM-prognoserna har en tendens att underskatta vindhastigheter, därmed även vindkraftsproduktionen gentemot den verkliga produktionen. Dessutom observerades att prognosernas noggrannhet varierade under året. Den bästa tillförlitligheten erhölls under vintern och den sämsta tillförlitligheten under sommarhalvåret. Vidare varierade prognosernas noggrannhet mellan turbinerna inom de enskilda vindkraftparkerna. Storleken på felet i TAPMprognoserna var generellt sett lägst för turbiner som utsetts för så kallade vakar. Vakar är ett fenomen som uppstår bakom rotorbladen och påverkar energiproduktionen för bakomliggande vindkraftverk. Storleken på felet var lägst för turbiner som i stor utsträckning påverkas av vakar från turbiner uppströms. Resultatet visade även att implementeringen av biaskorrigerande metoder förbättrade noggrannheten av TAPM-prognoserna. Sammantaget undersöktes fyra biaskorrigerande metoder varav två uppvisade de största förbättringarna. Gemensamt för dessa två metoder var att de baserades på en kombination av biaskorrigering och tidskorrigering. Olika statistiska metoder användes för att uppskatta storleken av felet för den förutspådda vindhastigheten som modellerats i TAPM. Bland annat användes Root Mean Square Error (RMSE), Mean Absolute Error (MAE) och Mean Bias Error (MBE). Dessa värden normaliserades därefter med avseende på medelvärdet av den verkliga produktionen för önskad tidsperiod. Resultatet visade bland annat att NRMSE för TAPM-modellerade timvisa vindhastigheter minskade med nästan 50 % för Rødsand II och Kårehamn när full biaskorrektion tillämpades och med uppemot 70 % för Jokkmokksliden och Storliden. Med utgångspunkt från de erhållna resultaten är den övergripande slutsatsen att TAPM kan tillämpas för geografiska platser med olika väderförhållanden och samtidigt generera prognoser med relativt god noggrannhet, speciellt om biaskorrigerade metoder appliceras. Till följd av den begränsande tidsramen och andra avgränsningar i denna studie är dock ytterligare analyser nödvändiga för att dra djupare slutsatser.
McCoy, Timothy J. (Timothy John). "Dynamic simulation of shipboard electric power systems." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/12495.
Повний текст джерелаBras, Johan J. "A simulation of the single scan accuracy of a two-dimensional pulsed surveillance radar." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/8460.
Повний текст джерелаThe following dissertation considers the single-scan two-dimensional positional accuracy of a pulsed surveillance radar. The theoretical aspects to the positional accuracy are considered and a generalized analytical approach is presented. Practical position estimators are often complex, and theoretical predictions of their performance generally yield unfriendly mathematical equations. In order to evaluate the performance of these estimators, a simulation method is described based on replicating the received video signal. The accuracy of such a simulation is determined largely by the accuracy of the models applied, and these are considered in detail. Different azimuth estimation techniques are described, and their performances are evaluated with the aid of the signal simulation. The best azimuth accuracy performance is obtained with the class of analogue processing estimators, but they are found to be more susceptible to interference than their binary processing counterparts. The class of binary processing estimators offer easily implemented techniques which are relatively insensitive to radar cross-section scintillation characteristics. A hybrid estimator, using both analogue and binary processing, is also evaluated and found to give an improved accuracy performance over the binary processing method while still maintaining the relative insensitivity to radar cross-section fluctuation.
Picard, Yani. "Improving the precision and accuracy of Monte Carlo simulation in positron emission tomography." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=68241.
Повний текст джерелаFurthermore, simulations of PET systems waste considerable time generating events which will never be detected. For events in which the original photons are usually directed towards the detectors, the efficiency of the simulations was improved by giving the photons additional chances of being detected. For simulation programs which cascade the simulation process into source, collimation, and detection phases such as PETSIM, the additional detections resulted in an improvement in the simulation precision without requiring larger files of events from the source/phantom phase of the simulation. This also reduced the simulation time since fewer positron annihilations were needed to achieve a given statistical precision. This was shown to be a useful improvement over conventional Monte Carlo simulations of PET systems.
Ramos, Calderón Antonio José. "Computational and accuracy benchmarking of simulation and system-theoretic models for production systems engineering." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-19877.
Повний текст джерелаKhalil, Louay. "LoRa-positioning in Malmö compared with GPS: possibilities, power consumption & accuracy." Thesis, Malmö universitet, Fakulteten för teknik och samhälle (TS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20479.
Повний текст джерелаInternet of Things is becoming bigger for each day and is talked about everywhere technologyis present. Major companies are implementing ideas and solutions bound to theIoT and smaller companies are following the trend in pursuing technological solutions withlow power consumption and long range coverage of signal. LoRaWAN enables just thatand is getting developed very fast for better usage and better solutions. Nowadays, companiesdevelop and research a lot in solutions for smart tracking objects and in this papera prototype to track stolen bicycles is built where tracking is experimented with. GPStrackingis compared to LoRaWAN-tracking after a prototype is been built and designedto track a stolen bicycle with both solutions. The aim for this thesis is to show how suchprototype can be built and what the results are between GPS-tracking and LoRaWANtracking.This concept gives an understanding of how far the development of LoRaWANnetworks has reached in a city like Malmö in Sweden. One case scenario shows results ofthe prototype used in reality without having the bicycle stolen. A second scenario showswhen the bicycle is stolen and presents the differences in the results of power consumptionand accuracy of localization. In case scenario 1 GPS-positioning lasts for 12 days whileLoRaWAN-positioning lasts 14 days. In case scenario 2 the results are 9 days against 14days.
Beatty, Debra Ann Kemnitz. "Simulation of a family of DC-to-DC power supplies." Honors in the Major Thesis, University of Central Florida, 1995. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/137.
Повний текст джерелаBachelors
Engineering
Electrical Engineering
Jaworsky, Christina A. "The effects of energy storage properties and forecast accuracy on mitigating variability in wind power generation." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81605.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 84-87).
Electricity generation from wind power is increasing worldwide. Wind power can offset traditional fossil fuel generators which is beneficial to the environment. However, wind generation is unpredictable. Wind speeds have minute to minute variability which causes minute to minute generation to fluctuate. Additionally, wind forecasting does not perfectly predict wind generation, so it is difficult for wind to meet a generation schedule. Therefore, with increased wind production, there is a need for flexibility in the electricity grid. Electricity storage is one method of achieving greater flexibility. With storage, wind generators can have a less variable power output. They can also be made to follow a generation schedule the same way traditional generation does. This study discusses the storage requirements for reducing the variability of wind power. It also assesses the value of an accurate forecast in terms of storage requirements. Storage capacity requirements are shown to be modest compared to the size of a generator, representing approximately one minute of full power generation capacity. Accurate forecasting can reduce the storage requirements of a wind generator. However, forecasts have little added value for greater accuracy beyond correctly predicting the mean of the wind generation on delivery scheduling intervals.
by Christina A. Jaworsky.
S.M.
Chan, Chunwa. "Design, simulation and analysis of RESURF Si/SiC power LDMOSFETs." Thesis, University of Warwick, 2018. http://wrap.warwick.ac.uk/102005/.
Повний текст джерелаКниги з теми "Simulation accuracy in power engineering"
Ordys, Andrzej W. Modelling and Simulation of Power Generation Plants. London: Springer London, 1994.
Знайти повний текст джерелаGöttlich, Simone, Michael Herty, and Anja Milde, eds. Mathematical Modeling, Simulation and Optimization for Power Engineering and Management. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-62732-4.
Повний текст джерелаHybrid electric power train engineering and technology: Modeling, control, and simulation. Hershey, PA: Engineering Science Reference, 2013.
Знайти повний текст джерелаRekioua, Djamila. Optimization of Photovoltaic Power Systems: Modelization, Simulation and Control. London: Springer London, 2012.
Знайти повний текст джерелаO'Kelly, Peter. Computer Simulation of Thermal Plant Operations. New York, NY: Springer New York, 2013.
Знайти повний текст джерелаSwitchmode power supply simulation with PSpice and SPICE 3. New York: McGraw-Hill, 2005.
Знайти повний текст джерелаComputer-aided power system analysis. New York: Marcel Dekker, 2002.
Знайти повний текст джерелаMohan, Ned. Power electronics: Converters, applicationsand design. 2nd ed. New York: John Wiley, 1995.
Знайти повний текст джерелаMohan, Ned. Power electronics: Converters, applications, and design. New York: Wiley, 1989.
Знайти повний текст джерелаMohan, Ned. Power electronics: Converters, applications, and design. 3rd ed. Hoboken, NJ: John Wiley & Sons, 2003.
Знайти повний текст джерелаЧастини книг з теми "Simulation accuracy in power engineering"
Liu, Xiang-yu, Hui-bin Li, Xiao-ming Li, Shuai Li, Ning Gong, and Shi-bo Yang. "The Influence of Load Model on the Accuracy of Power Grid Simulation." In Lecture Notes in Electrical Engineering, 1063–75. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1528-4_109.
Повний текст джерелаWalter, Heimo, and Bernd Epple. "Checking Results, Accuracy, and Assessment." In Numerical Simulation of Power Plants and Firing Systems, 749–53. Vienna: Springer Vienna, 2017. http://dx.doi.org/10.1007/978-3-7091-4855-6_9.
Повний текст джерелаPace, Dale K. "Fidelity, Resolution, Accuracy, and Uncertainty." In Modeling and Simulation in the Systems Engineering Life Cycle, 29–37. London: Springer London, 2015. http://dx.doi.org/10.1007/978-1-4471-5634-5_3.
Повний текст джерелаNaumann, Andreas, Florian Stenger, Axel Voigt, and Jörg Wensch. "High-Accuracy Thermo-Elastic Simulation on Massively Parallel Computer." In Lecture Notes in Production Engineering, 95–110. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12625-8_9.
Повний текст джерелаDufour, Christian, and Jean Bélanger. "Real-Time Simulation Technologies in Engineering." In Transient Analysis of Power Systems, 72–99. Chichester, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118694190.ch4.
Повний текст джерелаStojkovic, Zlatan. "Computer-Aided Modeling and Simulation." In Computer- Aided Design in Power Engineering, 19–134. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30206-0_1.
Повний текст джерелаHama, Takayuki, Masato Takamura, Cristian Teodosiu, Akitake Makinouchi, and Hirohiko Takuda. "Effect of Tool Modeling Accuracy on Sheet Metal Forming Simulation." In Engineering Plasticity and Its Applications, 743–48. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-433-2.743.
Повний текст джерелаGuo, Tingting, Shaohua Li, and Jianhong Liu. "Large Eddy Simulation of Film Cooling." In Challenges of Power Engineering and Environment, 1419–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-76694-0_267.
Повний текст джерелаProtalinsky, Oleg, Anna Khanova, and Ivan Shcherbatov. "Simulation of Power Assets Management Process." In Recent Research in Control Engineering and Decision Making, 488–501. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12072-6_40.
Повний текст джерелаYamada, Tomonori, and Shinobu Yoshimura. "Seismic Response Simulation of Nuclear Power Plant." In Springer Tracts in Mechanical Engineering, 141–55. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-21048-3_5.
Повний текст джерелаТези доповідей конференцій з теми "Simulation accuracy in power engineering"
Wang, Xiangxu, Chunlin Guo, Xiangning Xiao, and Chengyong Zhao. "Establish of Accuracy Assessment Indexes of Power System Real-Time Digital Simulation." In 2011 Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2011. http://dx.doi.org/10.1109/appeec.2011.5747744.
Повний текст джерелаLu, Bing, Xu Wang, Xing Chen, and Can Ding. "Experiment and Simulation of the Accuracy of Current Transformer with a New Core Material." In 2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2019. http://dx.doi.org/10.1109/appeec45492.2019.8994716.
Повний текст джерелаXue, Ruo-Jun, and Ji-Lin Sun. "Modeling and Simulation of Deaerator in Nuclear Power Plant." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30452.
Повний текст джерелаBarbierato, Luca, Enrico Pons, Andrea Mazza, Ettore Francesco Bompard, Vetrivel Subramaniam Rajkumar, Peter Palensky, Enrico Macii, Lorenzo Bottaccioli, and Edoardo Patti. "Stability and Accuracy Analysis of a Real-time Co-simulation Infrastructure." In 2021 IEEE International Conference on Environment and Electrical Engineering and 2021 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2021. http://dx.doi.org/10.1109/eeeic/icpseurope51590.2021.9584687.
Повний текст джерелаXiao, LIU, ZHANG Yingxiao, LIN Shixuan, CHEN Peilin, YANG Lei, and TAN Fali. "Simulation study on attenuation characteristics of traveling wave and influencing factors of positioning accuracy of 10kV cable fault." In 2020 5th Asia Conference on Power and Electrical Engineering (ACPEE). IEEE, 2020. http://dx.doi.org/10.1109/acpee48638.2020.9136518.
Повний текст джерелаHe, W., and Q. Chen. "Numerical Simulation of Molten Carbonate Fuel-Cell Power-Generation Systems." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0995.
Повний текст джерелаHui, Kar Hoou, Meng Hee Lim, and Salman Leong. "Dempster-Shafer-Based Sensor Fusion Approach for Machinery Fault Diagnosis." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3715.
Повний текст джерелаBottenberg, Agknaton, Jos Knockaert, and Jan Desmet. "Comparing accuracy and runtime of simulation to the measurements in a real grid for the control of a grid-connected PV inverter." In 2017 52nd International Universities Power Engineering Conference (UPEC). IEEE, 2017. http://dx.doi.org/10.1109/upec.2017.8231950.
Повний текст джерелаMiller, John L., and Caroline Hayes. "Leaf Pruning and Node Consolidation: Two Methods of Reducing Distribution Network Model Size Without Sacrificing Simulation Accuracy." In ASME 1993 International Computers in Engineering Conference and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/cie1993-0080.
Повний текст джерелаAkkaram, Srikanth, Don Beeson, Harish Agarwal, and Gene Wiggs. "Inverse Modeling Techniques for Parameter Estimation in Engineering Simulation Models." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90058.
Повний текст джерела