Results 21 to 30 of about 7,169 (203)
An equivalent circuit for the evaluation of cross-country fault currents in medium voltage (MV) distribution networks [PDF]
, 2018 A Cross-Country Fault (CCF) is the simultaneous occurrence of a couple of Line-to-Ground Faults (LGFs), affecting different phases of same feeder or of two distinct ones, at different fault locations.
Gatta, Fabio Massimo +3 more
core +1 more source
Ciencia y Educación, 2020 El presente estudio tiene por objetivo determinar si la edu-cación media técnica —EMTP— tiene un impacto en la probabilidad de selección de programas de educación técnica superior que requieren diferentes niveles de habilidades duras (razonamiento ...
Claudia P. Ovalle Ramírez
doaj +1 more source
Improved transient simulation of salient-pole synchronous generators with internal and ground faults in the stator winding [PDF]
, 2005 An improved model for simulating the transient behavior of salient-pole synchronous generators with internal and ground faults in the stator winding is established using the multi-loop circuit method.
Bi, D.Q. +4 more
core +1 more source
IEEE Access, 2019 This paper discusses the step and touch voltages, based on body resistance, in a grounding grid after a lightning strike at a 434-/21-kV substation. To ensure grounding grid safety, the maximum step and touch voltage should not exceed the safety criteria
Saeid Gholami Farkoush +5 more
doaj +1 more source
Toward transferable interatomic van der Waals interactions without electrons: The role of multipole electrostatics and many-body dispersion [PDF]
, 2014 We estimate polarizabilities of atoms in molecules without electron density, using a Voronoi tesselation approach instead of conventional density partitioning schemes.
Koch W. +5 more
core +2 more sources
Dianci bileiqi, 2021 针对目前缺少有效设备仪器和方法保护接地系统雷击浪涌的问题,文中系统化地研究了地下配电电缆中使用的接地系统的暂态特性。通过现场实验测试与EMTP仿真分析,对传统多点接地电缆系统和非捆绑式公共接地电缆系统中性线感应的雷电过电压进行了评估计算与详细比较。首先通过EMTP软件建立配电缆雷击感应电压计算仿真模型;然后通过比较实际测量结果与EMTP仿真所得到的数值结果,验证本研究所建立的仿真模型的有效性和准确性。最终,通过验证后的模型的EMTP仿真结果对雷电绝缘水平进行预测。
廖思哲, 王婉婷, 郑刚
doaj
Saberes Educativos, 2020 In Chile, professional technical secondary education (EMPT in Spanish), in its essence and objective, ensures that its students achieve early entry into the labor market based on solid competences, skills, abilities and knowledge, also contributing to ...
Christian Loyola-Bustos
doaj +1 more source
Research on VFTO Identification of GIS Based on Wavelet Transform and Singular Value Decomposition
Energies, 2022 The accurate identification of Very Fast Transient Overvoltage (VFTO) is the key of overvoltage control in modern smart grids. In order to accurately identify VFTO generated by the operation of a disconnector in Gas Insulated Substation (GIS), a VFTO ...
Gang Xiao +7 more
doaj +1 more source
A Solid State Transformer model for power flow calculations [PDF]
, 2017 This paper presents the implementation of a Solid State Transformer (SST) model in OpenDSS. The goal is to develop a SST model that could be useful for assessing the impact that the replacement of the conventional iron-and-copper transformer with the SST
Guerra Sánchez, Luis Gerardo +1 more
core +2 more sources
Full Bridge MMC Converter Optimal Design to HVDC Operational Requirements [PDF]
, 2015 This project is funded by RTE, Paris, FrancePeer ...
Jovcic, Dragan +3 more
core +1 more source