Results 21 to 30 of about 61,788 (299)
Pre-breakdown Characteristics of Contaminated Power Transformer Oil [PDF]
, 2007 In this paper we have studied pre-breakdown characteristics of transformer oil in the presence of different levels of contamination. The contaminant is fibrous dust from pressboard insulation used for high voltage transformers.
Zuber, H M +3 more
core +1 more source
Equivalent Permeability of Step-Lap Joints of Transformer Cores: Computational and Experimental Considerations [PDF]
, 2011 The paper develops an efficient computational method for establishing equivalent characteristics of magnetic joints of transformer cores, with special emphasis on step-lap design.
Napieralska-Juszczak, E. +14 more
core +1 more source
Influence of Molecule Structure on Lightning Impulse Breakdown of Ester Liquids
Energies, 2021 Ester liquids are environmentally friendly insulating oils, and they can be used as an alternative to mineral oil in transformers, even though in most countries spills of ester oils must be treated like spills of mineral oil.
Huaqiang Li +5 more
doaj +1 more source
Applied Sciences, 2017 To improve the reliability of power supply in the case of the fault of distribution system with multiple distributed generators (DGs) and reduce the influence of node voltage fluctuation on the stability of distribution system operation in power ...
Gang Xu, Shunyu Wu, Yuanpeng Tan
doaj +1 more source
Energies, 2022 There were many promising superconducting materials discovered in the last decades that can significantly increase the efficiency of large power transformers.
Tamás Orosz
doaj +1 more source
The greenhouse gas emissions of power transformers based on life cycle analysis
Energy Reports, 2022 The power sector contributes about 40% of global GHG emissions, and power transformers are an important physical component of the power sector. It is responsible for the transformation and distribution of electrical energy.
Hong Guo, Yuting Gao, Junhao Li
doaj +1 more source
Bridging in contaminated transformer oil under DC and AC electric field
, 2013 One of the key components in high voltage transmission and distribution systems are power transformers and their consistent operation is of utmost importance to energy utilities and users.
Wilson, G +9 more
core +1 more source
Probabilistic impact of wind energy integration on distribution transformers
Energy Reports, 2020 In traditional power grid, the direction of power flow of transformers is usually fixed in one direction. However, with the integration of the renewable energy sources, such as wind farms, the power flow in the grid becomes fluctuating and uncertain ...
Quan Li, Nan Zhao
doaj +1 more source
Power Transformations in Correspondence Analysis [PDF]
SSRN Electronic Journal, 2007 Power transformations of positive data tables, prior to applying the correspondence analysis algorithm, are shown to open up a family of methods with direct connections to the analysis of log-ratios. Two variations of this idea are illustrated. The first approach is simply to power the original data and perform a correspondence analysis this method ...
openaire +4 more sources
, 2008 The paper develops an efficient computational method for establishing equivalent characteristics of magnetic joints of transformer cores, with special emphasis on step-lap design.
N. Nihat +7 more
core +1 more source