Littérature scientifique sur le sujet « REACTIVE POWER LIMIT »
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Articles de revues sur le sujet "REACTIVE POWER LIMIT"
Hiskens, I. A., et B. B. Chakrabarti. « Direct calculation of reactive power limit points ». Fuel and Energy Abstracts 37, no 3 (mai 1996) : 192. http://dx.doi.org/10.1016/0140-6701(96)88682-6.
Texte intégralHiskens, I. A., et B. B. Chakrabarti. « Direct calculation of reactive power limit points ». International Journal of Electrical Power & ; Energy Systems 18, no 2 (février 1996) : 121–29. http://dx.doi.org/10.1016/0142-0615(95)00058-5.
Texte intégralSundaravazhuthi*, V., Dr A. Alli Rani et M. Manoj Kumar. « Raise Voltage Stability Limit of a Power System using Reactive Power Compensation Technique ». International Journal of Innovative Technology and Exploring Engineering 8, no 12 (30 octobre 2019) : 2931–34. http://dx.doi.org/10.35940/ijitee.k1752.1081219.
Texte intégralHu, Shu Ju, Ling Ling Wang et Ya Deng. « Analysis on Power Output Capability and its Power Control Strategy of DFIG Wind Turbine under Unbalanced Grid Voltage ». Applied Mechanics and Materials 448-453 (octobre 2013) : 1819–24. http://dx.doi.org/10.4028/www.scientific.net/amm.448-453.1819.
Texte intégralPavlović, Jelena, Bojan Radojičić, Lazar Stančić, Jasna Dragosavac, Sava Dobričić et Žarko Janda. « Algorithm of reactive power dispatching "per generator" realization on TPP Nikola Tesla A ». Zbornik radova Elektrotehnicki institut Nikola Tesla, no 32 (2022) : 113–23. http://dx.doi.org/10.5937/zeint32-41760.
Texte intégralTamimi, Behnam, Claudio A. Canizares et Sadegh Vaez-Zadeh. « Effect of Reactive Power Limit Modeling on Maximum System Loading and Active and Reactive Power Markets ». IEEE Transactions on Power Systems 25, no 2 (mai 2010) : 1106–16. http://dx.doi.org/10.1109/tpwrs.2009.2036798.
Texte intégralLiu, Guan Qi, Long Shao et Shou Shu Guan. « The Research of Reactive Power Output of Doubly-Fed Induction Generator when Large-Scale Wind Power Integration ». Applied Mechanics and Materials 380-384 (août 2013) : 3061–64. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.3061.
Texte intégralKataoka, Yoshihiko, et Yukio Shinoda. « Voltage Stability Limit of Electric Power System with Reactive Power Constraints on Generators ». IEEJ Transactions on Power and Energy 123, no 6 (2003) : 704–17. http://dx.doi.org/10.1541/ieejpes.123.704.
Texte intégralKataoka, Y., et Y. Shinoda. « Voltage Stability Limit of Electric Power Systems With Generator Reactive Power Constraints Considered ». IEEE Transactions on Power Systems 20, no 2 (mai 2005) : 951–62. http://dx.doi.org/10.1109/tpwrs.2005.846080.
Texte intégralAbdelaziz, Morad Mohamed Abdelmageed. « Effect of Detailed Reactive Power Limit Modeling on Islanded Microgrid Power Flow Analysis ». IEEE Transactions on Power Systems 31, no 2 (mars 2016) : 1665–66. http://dx.doi.org/10.1109/tpwrs.2015.2412690.
Texte intégralThèses sur le sujet "REACTIVE POWER LIMIT"
Hülsmann, Leonard. « Evaluation of two distribution grids in terms of PV penetration limits and effectiveness of reactive power controls ». Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196699.
Texte intégralEn stor integration av solceller (PV) och vindkraftverk i distributionsnät innebär nya utmaningar på olika nivåer. En av dem är en ökande spänning i lågspänningsnät (LV) samt på mellanspänning (MV), orsakad av distribuerad generering. Detta kan leda till spänningar över högsta tillåtna värde av 110% av nominell spänning.Det finns olika sätt att mildra detta problem. Dessa sträcker sig från dyra nätförstärkningar, som förstärkta linjer eller installation av lindningskopplare (OLTCs) i distributionstransformatorer, till spänningsstyrning av de distribuerade generatorerna. En av dessa spänningsstyrningar är förbrukningen av reaktiv effekt i solcellernas växelriktare. Denna styrning kan sänka spänningen lokalt men den har också en inverkan på andra noder i elnätet. En rad möjligheter finns, oftast med hjälp av en aktiv-effekt-beroende reaktiv effekt (cos φ(P)-styrning) eller med hjälp av en spännings-beroende reaktiv effekt (Q(U)-styrning). Dessa kan antingen styras med hjälp av lokala insignaler eller innebära någon form av samordnad styrning, som vanligtvis medför att en kommunikationsinfrastruktur måste byggas upp. I denna avhandling har två MV-nät, vilka ligger nära Worms, Tyskland, modellerats och validerats med mätdata som tillhandahållits av det lokala distributionssystemets operatör. Längs de två MV-näten, har totalt tre lågspänningsnät modellerats i detalj. Effektiviteten av en lokal Q(U)-styrning med en död-zon har jämförts med det värsta fallet, där ingen reaktiv effektstyrning tillämpas och med bästa fall, där alla PV-omriktare maximalt har deltagit i den reaktiva effektstyrningen. Dessa inställningar testades sedan för olika scenarier för ökad mängd PV. Dessutom har effekterna av Q(U)-styrning på andra LV-nät, som ligger på samma MV-nät, analyserats. Resultaten visar: i) Generellt har de undersökta LV-näten redan stora PV-installationer och stor resulterande back-matning under tider med hög PV-produktion. Mängden PV kan dock fortfarande ökas väsentligt, framför allt på LV-linjer som för närvarande endast har låg eller måttlig mängd PV.; ii) Q(U)-styrning med dödband kan öka möjlig mängden PV med ca 20 - 33% för de undersökta elnäten. Möjlig ökning kan dock variera mycket mellan olika elnät och olika pridning av PV; iii) på grund av den studerade Q(U)-styrningen så varierar den reaktiva effektproduktionen kraftigt mellan olika PV-anläggningar i de undersökta elnäten. Detta minskar en rättvis fördelning med denna metod och kompensations-mekanismer kan behövas. Emellertid har ingen kvantifiering av detta gjorts, iv) Det bästa fallet visar att bra reaktiv effekt-styrning skulle ha en mycket hög potential, så samordnad spännings-styrning skulle avsevärt kunna öka möjlig mängd PV.
Pontes, Rafael de Paiva. « Nova metodologia full Newton para consideração dos limites de geração de potência reativa no problema de fluxo de potência ». Universidade Federal de Juiz de Fora (UFJF), 2018. https://repositorio.ufjf.br/jspui/handle/ufjf/6933.
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Este trabalho, realiza uma revisão da metodologia tradicional, de representação dos limites de geração de potência reativa, na solução do problema de fluxo de potência, em coordenadas polares, pelo método de Newton-Raphson. Apresenta uma nova modelagem para o tratamento destes limites, baseada em uma formulação full Newton do problema. Para tanto, utiliza-se um conjunto de chaves sigmoides, que incorporam novas equações à matriz Jacobiana, de acordo com a geração de potência reativa da barra. De forma a tornar o sistema possível e determinado, a geração de potência reativa, é tratada como uma nova variável de estado do problema, corrigida a cada iteração do método de Newton. A formulação proposta, utiliza duas chaves sigmoides para o tratamento dos limites de geração de potência reativa, em barras PV e, duas chaves, que consideram o procedimento de retomada do controle (conhecido como estratégia de backoff ), das barras que atingiram limites, caso necessário. Dessa forma, não há uma mudança explícita no tipo da barra, como na metodologia tradicional, e a dimensão da matriz Jacobiana é mantida constante. Neste trabalho, todo o equacionamento e formulação, foi desenvolvido através do programa Matlab, e os resultados foram validados, utilizando-se o programa de análise de redes – ANAREDE, versão acadêmica, disponibilizada pelo Centro de Pesquisas de Energia Elétrica (CEPEL). São avaliados alguns sistemas benchmark IEEE e os resultados obtidos, demonstram a eficácia das formulações propostas.
This work, presents a review of the traditional methodology, of representing the limits of reactive power generation, in the solution of the power flow problem, in polar coordinates, by the Newton-Raphson method. Presents a new modeling for the treatment of these limits, based on a formulation full Newton of the problem. For this purpose, a set of sigmoid switches is used, to incorporate new equations to the Jacobian matrix, according to the generation of reactive power of the bus. In order to produce a system possible and determined, reactive power generation, is treated as a new problem state variable, corrected at each iteration of the Newton’s method. The proposed formulation, use two sigmoid switches for the tratment of reactive power generation limits, in PV buses and also, two switches, that consider the procedure of resumption of control (procedure known as backoff strategy), of the buses that reached some limit, if necessary. Thus, there is no explicit change in the bus type, as in traditional methodology, and the Jacobian matrix dimension is kept constant. In this work, all equation and formulation, were developed through Matlab software, and the results were checked, using the network analysis program – ANAREDE, academic version provided by Electrical Energy Research Center (CEPEL). Some IEEE benchmark systems are evaluated, and the results obtained, demonstrates the efficacy of the proposed formulations.
PANDEY, GANESH KUMAR. « LOAD FLOW USING PARTICLE SWARM OPTIMIZATION ». Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14645.
Texte intégralLivres sur le sujet "REACTIVE POWER LIMIT"
Bross, Kristina. “Would India had beene never knowne”. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190665135.003.0006.
Texte intégralReychler, Luc. Peacemaking, Peacekeeping, and Peacebuilding. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190846626.013.274.
Texte intégralTrout, J. D. All Talked Out. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190686802.001.0001.
Texte intégralChapitres de livres sur le sujet "REACTIVE POWER LIMIT"
Behera, Santi, et Manish Tripathy. « Optimal Reactive Power Compensation for Improvement of Steady State Voltage Stability Limit under Stressed System Condition Using BF Algorithm ». Dans Swarm, Evolutionary, and Memetic Computing, 388–97. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-35380-2_46.
Texte intégralBacon, Lucie, Amandine Desille et Noémie Paté. « Crafting an Event, an Event on Craft. Working Together to Represent Migration Experiences ». Dans IMISCOE Research Series, 217–36. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67608-7_12.
Texte intégralPraveen Soni, Yuvraj, et E. Fernandez. « Limits on Bus Load Expansion for Real and Reactive Power in Radial Feeders Within System Operating Constraints ». Dans Lecture Notes in Electrical Engineering, 525–36. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0193-5_41.
Texte intégral« Power and limits of reactive intelligence ». Dans Evolutionary Robotics. The MIT Press, 2004. http://dx.doi.org/10.7551/mitpress/2889.003.0007.
Texte intégralGreenhouse, Linda. « 6. The Court and the other branches ». Dans The U.S. Supreme Court : A Very Short Introduction, 65–79. Oxford University Press, 2020. http://dx.doi.org/10.1093/actrade/9780190079819.003.0006.
Texte intégralA. Ebrahim, Mohamed, Reham M. Abdel Fattah, Ebtisam M. Saied, Samir M. Abdel Maksoud et Hisham El Khashab. « Salp Swarm Optimization with Self-Adaptive Mechanism for Optimal Droop Control Design ». Dans Electric Power Conversion and Micro-Grids. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.97229.
Texte intégralThakkur, Pallavi, et Smita Shandilya. « STATCOM Based Solid State Voltage Regulation for Isolated Self-Excited Induction Generator ». Dans Advances in Computer and Electrical Engineering, 147–83. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9911-3.ch009.
Texte intégralGallicchio, Marc. « “We Do Not Exclude a Constitutional Monarch Under the Present Dynasty” ». Dans Unconditional, 38–70. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190091101.003.0003.
Texte intégralMadhu Mohan, Varishetty, Madhavi Jonnalagadda et VishnuBhotla Prasad. « Advanced Chalcogen Cathode Materials for Lithium-Ion Batteries ». Dans Chalcogenides – Preparation and Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103042.
Texte intégralXu, Yanpeng, Zhiqiang Xia, Shulan Gan, Gan Wan, Yingsheng Qu et Ben Wang. « Research on Numerical Simulation and Optimization of SCR Flow Field of 200MW Coal-Fired Unit ». Dans Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210220.
Texte intégralActes de conférences sur le sujet "REACTIVE POWER LIMIT"
Chou, Hung-Ming, Garng M. Huang et Karen L. Butler-Purry. « Investigation of reactive power limit induced voltage collapse ». Dans 2014 IEEE 57th International Midwest Symposium on Circuits and Systems (MWSCAS). IEEE, 2014. http://dx.doi.org/10.1109/mwscas.2014.6908449.
Texte intégralZhao, X. Y., et X. B. Zhang. « Smoothness of voltage stability surface with generator reactive power limit encountered ». Dans 2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies. IEEE, 2008. http://dx.doi.org/10.1109/drpt.2008.4523479.
Texte intégralCeylan, Oguzhan, Aleksandar Dimitrovski, Michael Starke et Kevin Tomsovic. « Optimal reactive power allocation for photovoltaic inverters to limit transformer tap changes ». Dans 2016 IEEE Power and Energy Society General Meeting (PESGM). IEEE, 2016. http://dx.doi.org/10.1109/pesgm.2016.7741901.
Texte intégralNaik, S. D., S. S. Bhat et M. K. Khedkar. « Effect of generator reactive power limit on proximity to voltage instability of multibus power system ». Dans 2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA). IEEE, 2017. http://dx.doi.org/10.1109/iciea.2017.8282916.
Texte intégralFradley, J., C. Barker et L. Zou. « Dynamic Adjustment of a VSC's Reactive Current Limit to Improve Frequency Stability ». Dans The 17th International Conference on AC and DC Power Transmission (ACDC 2021). Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/icp.2021.2435.
Texte intégralZhang, Wei, Yuqiu Zhou, Xiaoying Li, Quan Li, Yuhang Luo et Peifeng Xi. « Typical Scenario Reactive Power Optimization of Active Distribution Network Based on Limit Theory ». Dans 2018 2nd IEEE Conference on Energy Internet and Energy System Integration (EI2). IEEE, 2018. http://dx.doi.org/10.1109/ei2.2018.8582046.
Texte intégralLu, Bin, Xi Xu, Zhipeng Yu, Wen Wang et Xuenan Gu. « Study on 24h Dynamic Reactive Power Optimization Considering Safety Operation Limit of Generators ». Dans 2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia). IEEE, 2019. http://dx.doi.org/10.1109/isgt-asia.2019.8880807.
Texte intégralArias-Cazco, Diego, et Angel Vaca Penafiel. « Multi-objective Optimization of Active and Reactive Power to assess Bus Loadability Limit ». Dans 2021 IEEE Fifth Ecuador Technical Chapters Meeting (ETCM). IEEE, 2021. http://dx.doi.org/10.1109/etcm53643.2021.9590665.
Texte intégralMa, Qing, Changhong Deng, Hu Fan et Zhengyi Liu. « Research of Doubly Fed Induction Machine’s Optimal Reactive Power Limit Considering Junction Point’s Voltage Fluctuation ». Dans 2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2). IEEE, 2020. http://dx.doi.org/10.1109/ei250167.2020.9346576.
Texte intégralZad, B. Bakhshideh, J. Lobry, F. Vallee et H. Hasanvand. « Optimal reactive power control of DGs for voltage regulation of MV distribution systems considering thermal limit of the system branches ». Dans 2014 International Conference on Power System Technology (POWERCON). IEEE, 2014. http://dx.doi.org/10.1109/powercon.2014.6993975.
Texte intégralRapports d'organisations sur le sujet "REACTIVE POWER LIMIT"
Hedrick, Jacob, et Timothy Jacobs. PR-457-14201-R02 Variable NG Composition Effects in LB 2S Compressor Engines Phase I Engine Response. Chantilly, Virginia : Pipeline Research Council International, Inc. (PRCI), août 2015. http://dx.doi.org/10.55274/r0010997.
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