Results 61 to 70 of about 1,055 (161)
Gaoya dianqi, 1988 一、引言 变电所防止雷电与操作过电压中,GIS的保护性能在许多重要方面与敞开式的变电站不同。传统变电站的绝缘水平主要取决于变压器的保护物——避雷器的正确选择及它们的安装位置;它的空气绝缘的强度可以自动恢复,开关可以耐受如绝缘子或套管闪络这样的故障。而GIS的绝缘不具有自动恢复的这个特性,在遭受过电压时,故整个GIS系统(母线,断路器,隔离开关和接地开关等)必须得到全面的保护。另外,架空线的进线段到GIS开关之间的母线也同样需要保护。GIS装置中 ...
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doaj
Algoritmos para localización de fallas en líneas de transmisión, análisis para el caso colombiano
Dyna, 2004 Se analizan cuatro algoritmos localizadores de fallas en líneas de transmisión, aplicados en el sistema de transmisión nacional colombiano. Se determina cual es más preciso y eficiente. Finalmente, se verifican por medio de simulaciones en EMTP/ATP, y
Gina M. Idárraga Ospina +2 more
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Wide-band modelling of tower-footing grounding systems based on the impulse response measurement [PDF]
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2019 The tower footing grounding system is of major importance for analysis of the lightning overvoltages on an overhead transmission line during backflashover and shielding failure.
Jasika Ranko +3 more
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Emergency Medical Services in Taiwan: Past, Present, and Future. [PDF]
J Acute Med, 2023 Huan TL +12 more
europepmc +1 more source
Characterization, Density and In Vitro Controlled Release Properties of Mimosa (Acacia mearnsii) Tannin Encapsulated in Palm and Sunflower Oils. [PDF]
Animals (Basel), 2021 Ibrahim SL, Hassen A.
europepmc +1 more source
Modeling of an Electromagnetic Cannon using ATP-EMTP and ATPDraw
Ingenius: Revista de Ciencia y TecnologíaThis study presents a computational model of an electromagnetic cannon developed using the ATP/EMTP simulation tool and its graphical interface, ATPDraw.
José Manuel Aller +3 more
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The Influence of the COVID-19 Pandemic on Emergency Medical Services to Out-of-Hospital Cardiac Arrests in a Low-Incidence Urban City: An Observational Epidemiological Analysis. [PDF]
Int J Environ Res Public Health, 2023 Liu CH +5 more
europepmc +1 more source