JOURNAL / ISSUES               ISSN 2310-6697 / ISSN-L 2310-6697
 
open transactions on independent scientific-engineering research
FUNKTECHNIKPLUS # JOURNAL
Théorie-Expérimentation-Métrologie-Logiciel-Applications
 

ISSUE 5 - TUESDAY 30 SEPTEMBER 2014 - YEAR 2

 
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5-1
 
# Electrical Engineering - Expérimentation
 
Electrical Machine Insulation: Traditional
Insulating Materials, Nanocomposite Polymers
and the Question of Electrical Trees
 
M. G. Danikas, R. Sarathi
 
ABSTRACT
 
Electrical machine insulation consists basically of epoxy resin and mica foils. Both are good insulating materials and they proved to withstand large partial discharges and/or the combined attack from electrical, thermal and mechanical stresses. Nowadays alternatives to the traditional insula- ting materials exist, namely those of nanocomposite polymers, which present somehow improved performance regarding the aforementioned stresses. It is the aim of the present paper to investigate mechanisms of electrical treeing and/or breakdown in machine insulation as well as to study possible improvements with the aid of nanocomposite polymers.
 
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5-2
 
# Telecommunications Engineering - Logiciel
 
Antenna Radiation Patterns:
RadPat4W - FLOSS for MS Windows or Wine Linux
 
N.I. Yannopoulou, P.E. Zimourtopoulos
 
ABSTRACT
 
This paper briefly highlights the features of the software tool [RadPat4W], named after Radiation Patterns for Windows, that is based on an alternative exposition of fundamental Antenna Theory. This stand-alone application is compatible with the [Wine] environment of Linux and is part of a freeware suite, which is under active development for many years. Nevertheless, the [RadPat4W] source code has been now released as FLOSS Free Libre Open Source Software and thus it may be freely used, copied, modified or redistributed, individually or cooperatively, by the interested user to suit her/his personal needs for reliable antenna applications, from the simplest to the more complex.
 
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