Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Zeljko Stih"'
Publikováno v:
IEEE Access, Vol 6, Pp 29426-29435 (2018)
Power voltage transformers (PVTs) are becoming increasingly present in different substation solutions on a world scale. Such units that are based on the open-core concept introduce several advantages in terms of transformer performance and reliabilit
Externí odkaz:
https://doaj.org/article/1bf94cac56fa48d2b0b08cf7e1fafb94
Autor:
Zeljko Stih, Mladen Markovic
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 24:437-454
Paper compares three most widely used methods in insulating liquid breakdown prediction: cumulative stress method, stressed electrode area and stressed liquid volume. Breakdowns were measured on Midel 7131 on OTS100AF oil tester with two different el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e66ab267a623a920fb64635f5b14331d
https://doi.org/10.1109/tdei.2016.005940
https://doi.org/10.1109/tdei.2016.005940
This book presents the proceedings of the 5th International Colloquium “Transformer Research and Asset Management,” held in Opatija, Croatia, on October 9–12, 2019.The papers chiefly focus on three groups of topics:1. Numerical Modeling: Electr
Publikováno v:
IEEE Transactions on Magnetics. 51:1-9
The complete electromagnetic-mechanical-thermal modeling approach is demonstrated on the Thomson’s levitating ring experiment. This problem, but with a different set of parameters, was also described by Laithwaite and defined by Freeman and Lowther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6d3fd6e427a1d50973490c025b6f0ae
https://doi.org/10.1109/tmag.2014.2370944
https://doi.org/10.1109/tmag.2014.2370944
Autor:
Zeljko Stih, Antun Mikulecky
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 20:1421-1427
Insulators or bushings are one of the most common cause of transformer failures especially those with fire and collateral damage. This can be prevented by application of off-line and on-line monitoring, especially by measuring of capacitance C and di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::947ee4b7166105324ddf6073cb6ee289
https://doi.org/10.1109/tdei.2013.6571464
https://doi.org/10.1109/tdei.2013.6571464
Autor:
Bojan Trkulja, Zeljko Stih
Publikováno v:
IEEE Transactions on Power Delivery. 24:1898-1902
Calculation of electric field based on integral equations approach and suited to solving large-scale problems is presented. Integral equations are solved by appliance of BEM and Galerkin method. Unknown distribution of the surface charge density is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4a31a17857e49891529908331bc16d0
https://doi.org/10.1109/tpwrd.2009.2028804
https://doi.org/10.1109/tpwrd.2009.2028804
A new and extremely fast and precise method for calculating mutual inductance between coaxial circular coils in air with rectangular cross section and uniform current densities is presented. It is thoroughly compared with all recently published metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::549f5ea811686d35bf93f3f1bd01a50a
https://www.bib.irb.hr/688245
https://www.bib.irb.hr/688245
Publikováno v:
EUROCON
Insulation system is one of the most important parts of power transformer. Theoretical background for insulation design is given, which includes explanation of dielectric properties of main insulation materials, their withstand to breakdown voltage,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbc133e390f81345f8645e087890224e
https://doi.org/10.1109/eurocon.2013.6625185
https://doi.org/10.1109/eurocon.2013.6625185
Publikováno v:
EUROCON
Insulation dimensioning requires accurate calculation of dielectric stress levels. These need to be conducted for various critical electrode configurations inside a transformer under different voltage test levels. Advanced computational tools are bei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d956b6c90ceb194bf2fda07224518797
https://doi.org/10.1109/eurocon.2013.6625183
https://doi.org/10.1109/eurocon.2013.6625183