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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Analysis of Current Higher Harmonics Impact on Losses in Transformer Foil Winding
 Žďárský, Jan ; Klíma, Petr (referee) ; Mrajca, Miroslav (advisor)
This paper deals with the analysis of the effects of non-sinusoidal current on the foil windings of power transformers. This issue is important in transformer design since losses are measured only when sinusoidal current is passed through. In some applications, these losses need to be recalculated to account for the effect of higher harmonics of the current in actual operation, as these losses are related to transformer heating. A literature search of available sources that have already described this issue is performed in this work. In this paper, a model for simulation in Ansys Maxwell environment is presented, using which the losses due to higher harmonics will be calculated.
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Concept of Energetically Sufficient Housing (ESH) Plan
 Hlavsa, Tomáš
At a time when about 1.6 billion people living without a regular supply of electricity and even 2 billion people without power and water supplies, appear to be energy selfsufficient buildings one of the solutions of this global problem. Understanding of the principles and design rules of energy self-sufficient buildings could help to promote more such buildings under construction. The following text try defined these principles and rules.
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