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86 results for “transmission line”
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Research ArticleOpen accessEvery word in the titleA GA Based Transmission Network Expansion Planning Considering Voltage Level, Network Losses and Number of Bundle LinesS. Jalilzadeh, H. Shayeghi, M. Mahdavi, H. HadadianTransmission Network Expansion Planning (TNEP) was studied considering voltage level, network losses and number of bundle lines using decimal codification based genetic algorithm (DCGA). TNEP determines the characteristic and performance of the future electric power network and directly influences the operation of power system. Up till now, various methods have been presented for the solution of the Static Transmission Network … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 7,588 accessesView PDFCite
Research ArticleOpen accessIn the keywordsElectric Field in Polymeric Isolators of the 500kV Voltage ClassVitor Chaves De Oliveira, Huederson Aparecido Botura Da Silva, Alexandre De Assis Mota, Lia Toledo Moreira MotaThis study presents a detailed study of the electric field in polymeric isolators of the 500kV voltage class through modifications in the dimensions of the anti-corona ring. That is, by varying the three dimensions of the anti-corona ring: height (h), distance of the anti-corona ring conductor (r) and the diameter of the anti-corona ring conductor (d); it was possible to … …American Journal of Applied Sciences, Vol. 10, Issue 6 · 12 Jun 2013 · 6,974 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDiscussion around the Scattering Matrix Realization of a Microwave Filter using the Bond Graph Approach and Scattering FormalismHichem Taghouti, Abdelkader MamiProblem statement: Further to research works made previously and which use collectively the scattering formalism and bond graph technique for the modeling of a physical systems often working in high frequencies, we propose, in this article, a comparative study (discussion) for the scattering matrix realization of a high-frequency physical system. Approach: This discussion is based, on the one hand, on … …American Journal of Applied Sciences, Vol. 9, Issue 4 · 7 Feb 2012 · 7,192 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPerformance Monitoring of Energy Flow in the Power Transmission and Distribution System Using Grid ComputingC. Senthamarai, A. Krishnan, R. HemalathaGrid Computing is a promising infrastructure and technology that involves the integrated and collaborative use of Computers, networks, databases and scientific instruments owned and managed by multiple organizations. In this context our research primarily aims at developing an application framework for monitoring the Performance of Power Transmission and Distribution System using Grid Computing. Power Transmission and Distribution System of Electrical … …Journal of Computer Science, Vol. 3, Issue 5 · 31 May 2007 · 6,589 accessesView PDFCite
Research ArticleOpen accessIn the keywordsReduction of Over Line Current in Power System from Short Circuit Effect Using Static Synchronous Series CompensatorPrechanon KumkratugProblem statement: One of the major problems in power system is the over line current from short circuit effect. It may cause in the electrical apparatus outages. Approach: Static Synchronous Series Compensator (SSSC) is a power electronic based device that has the capability of controlling the line current. This study applies the SSSC to decrease the over line current in … …American Journal of Applied Sciences, Vol. 8, Issue 2 · 28 Feb 2011 · 7,306 accessesView PDFCite
Research ArticleOpen accessIn the keywordsExperimental Study of Electromagnetic Environment in the Vicinity of High Voltage LinesWafa Tourab, Abdesselam Babouri, Mohamed NemamchaProblem statement: Several studies have investigated the impact of electromagnetic field generated by high voltage power lines on environment. The evaluation of electric and magnetic field quantities are of paramount interest in the characterization of electromagnetic environment of the proposed line. The purpose of this study was to analyze the behavior of electromagnetic fields generated by power lines in an … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 2 · 12 Jul 2011 · 8,325 accessesView PDFCite
Research ArticleOpen accessIn the keywordsApplication Lyapunov Theory to Determine Control Strategy of Static Var Compensator for Damping Power System OscillationPrechanon KumkratugProblem statement: The disturbance in power system is unavoidable situation. It causes in power system oscillation. Approach: This study applied the Static Var Compensator (SVC) to damp power system oscillation. The stability criterion of the Lyapunov is applied to derive the control strategy of SVC. The simulation results are tested on a Single Machine Infinite bus. The proposed method is … …American Journal of Applied Sciences, Vol. 8, Issue 2 · 28 Feb 2011 · 7,437 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Effect of the Harmonics, the Fault Location and the Fault Resistance on the Performance of the Impedance-Type Distance RelayA. S. Khraiwish, M. Alshamasin, R. Kassasbeh et al.One of today's trends is continuously increasing the number and the power ratings of the non-linear loads connected to the electric power systems. These non-linear loads, such as power-electronic converters, are the main source of the harmonics that affect the performance of the impedance-type distance relays. It was found that, in the presence of harmonics, undesired operation of such type … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,569 accessesView PDFCite
Research ArticleOpen accessIn the abstractWeather Parameters Impact on Daily COVID-19 Transmission in BangladeshMd. Humayun KabirCOVID-19 disease causes millions of human deaths and huge economic losses throughout the world. To limit the disease transmission numerous attempts have been made. Several studies observed associations of weather values on COVID-19 transmission. In the current study, the impacts of weather parameters on daily COVID-19 incidences have been examined in eight different cities in Bangladesh. For this purpose, a … …American Journal of Environmental Sciences, Vol. 19, Issue 3 · 30 Dec 2023 · 5,411 accessesView PDFCite
Research ArticleOpen accessIn the abstractNew Development Design of Low Current Measurement with Noise Reduction for High-Resolution SystemNdalla Essengue Gloire, Wembe Tafo Evariste, Djamet Yimga Arnaud et al.The treatment of inoperable cancers in the therapy terminal in Lanzhou-China, which is located at the Institute of Modern Physics (IMP), permits to work on the actual front-end readout. The availability of detailed noise spectral density characteristics for the OPA amplifier helps to develop the noise error analysis for high-resolution. This work focused on the noise model of the detector-preamplifier, … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 2 · 18 May 2018 · 8,430 accessesView PDFCite