Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Dorel Cernomazu"'
Autor:
Adrian Neculai Romanescu, Ovidiu–Magdin Ţanţa, Mihaela Poienar, Ilie Niţan, Constantin Ungureanu, Leon Mandici, Dorel Cernomazu
Publikováno v:
Analele Universităţii "Eftimie Murgu" Reşiţa: Fascicola I, Inginerie, Vol XXI, Iss 2, Pp 123-134 (2014)
Within the EMAD Research Center of the USV have been developed since 1996 a number of solutions in heliothermic actuators and motors area made on the basis of solid heating medium. The solutions relates to rotary actuators and motors as well as linea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::bc95c2213d3f9b162c4ee0493857fb0c
http://anale-ing.uem.ro/2014/211.pdf
http://anale-ing.uem.ro/2014/211.pdf
Autor:
Mihaela Poienar, Dan Ştefan Georgescu, Ovidiu – Magdin Ţanţa, Niţan Ilie, Elena Daniela Olariu, Dorel Cernomazu
Publikováno v:
Analele Universităţii "Eftimie Murgu" Reşiţa: Fascicola I, Inginerie, Vol XXI, Iss 2, Pp 111-122 (2014)
The clock hour figure mathematical model of a threephase transformer can be expressed, in the most plain form, through a 3X3 square matrix, called code matrix. The lines position reflect the modification in the high voltage windings terminal and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::2c2f649b6c2c7096ddb709a6c59b92b5
http://anale-ing.uem.ro/2014/210.pdf
http://anale-ing.uem.ro/2014/210.pdf
Autor:
Cristina Prodan, Mihaela Poienar, Ovidiu Magdin Ţanţa, Adrian Neculai Romanescu, Dan Ştefan Georgescu, Dorel Cernomazu
Publikováno v:
Analele Universităţii "Eftimie Murgu" Reşiţa: Fascicola I, Inginerie, Vol XXI, Iss 2, Pp 145-156 (2014)
The paper is based on a study for the diagnosis of power transformer through the signal configuration that are part of the clock hour figure code for a defect transformer. The investigations made have the purpose to compare the code signal before and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::93a2a92b31585388a0a0cf596cdae9c3
http://anale-ing.uem.ro/2014/213.pdf
http://anale-ing.uem.ro/2014/213.pdf
Autor:
Ovidiu-Magdin Ţanţa, Mihaela Poienar, Adrian Neculai Romanescu, Mihaela-Brândușa Negru, Dorel Cernomazu
Publikováno v:
Analele Universităţii "Eftimie Murgu" Reşiţa: Fascicola I, Inginerie, Vol XXI, Iss 2, Pp 135-144 (2014)
Within the EMAD Research Center was initiated researches about CEUS figures obtained by exposing the content of a cylindrical container on the progressive action of the magnetic field produced by a special winding associated with GROSU stator. Inside
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::35044da56c16dffd351e9a10eb015581
http://anale-ing.uem.ro/2014/212.pdf
http://anale-ing.uem.ro/2014/212.pdf
Autor:
Mihaela Poienar, Dan Ştefan Georgescu, Ovidiu – Magdin Ţanţa, Niţan Ilie, Olariu Elena Daniela, Dorel Cernomazu
Publikováno v:
Analele Universităţii "Eftimie Murgu" Reşiţa: Fascicola I, Inginerie, Vol XXI, Iss 2, Pp 101-110 (2014)
The three phase transformer clock hour figure mathematical model can be conceived in his regular form as a 3X3 square matrix, called matrix code, or as a matrix equation, called code equation and is conceived through the elementary matrices: Ma, Mb,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::b34dc97b0445f5629bca564afe1916e2
http://anale-ing.uem.ro/2014/209.pdf
http://anale-ing.uem.ro/2014/209.pdf
Publikováno v:
2014 International Conference and Exposition on Electrical and Power Engineering (EPE).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1c0702d29e8a54131788aaf82aa388c
https://doi.org/10.1109/icepe.2014.6969924
https://doi.org/10.1109/icepe.2014.6969924
Publikováno v:
Electronics and Electrical Engineering. 19
The wiring diagrams, the vector groups and the clock hour figures of the vector group, are interesting aspects for the design, the manufacture and the operation of the transformers, especially for the power transformers. The parallel operation of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91416eb0a83fa7a3a25f573264efbdf0
https://doi.org/10.5755/j01.eee.19.8.1929
https://doi.org/10.5755/j01.eee.19.8.1929
Publikováno v:
2012 International Conference and Exposition on Electrical and Power Engineering.
This paper presents the conclusions about the study of the special connections at the three-phase transformers, ie: fan connection, which is obtained from star connection through a phase inversion, which results in an asymmetric system voltages; the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f643855197c83fd818ef8fa918047083
https://doi.org/10.1109/icepe.2012.6463887
https://doi.org/10.1109/icepe.2012.6463887
Electrochemical Pump for Handling Small Quantities of Liquid based on the Water Electrolysis Process
Publikováno v:
Electronics and Electrical Engineering. 119
The field of electrochemical pumps is old, and during the history there are many interests concerning the electrochemical pumps. The electrochemical pumps with liquid can find their application in various areas, especially in the biomedical engineeri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af53b606edb76f910c3593f9f7969955
https://doi.org/10.5755/j01.eee.119.3.1354
https://doi.org/10.5755/j01.eee.119.3.1354
Publikováno v:
2010 9th International Conference on Environment and Electrical Engineering.
The insulated oil is used in electricity as a medium for cooling and dielectric in transformers, for cooling and extinguishing the arc in switches, etc. Operating conditions of electrical equipment affect properties of insulated oil causing their agi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::299204fb90d2b907f63df088cba3c7db
https://doi.org/10.1109/eeeic.2010.5490430
https://doi.org/10.1109/eeeic.2010.5490430