Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Dalibor Filipović-Grčić"'
In this paper, model of three-phase autotransformer with stabilizing winding is developed in EMTP for short-circuit studies. Currents and voltages are determined inside transformer windings during unsymmetrical faults in the power system. Influence o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fa47d15ebfc8b32fb12722d06bd7e79
https://www.bib.irb.hr/1123416
https://www.bib.irb.hr/1123416
Publikováno v:
Electric Power Systems Research. 163:647-654
Modular Multilevel Converters (MMC) HVDC converter station topologies require the use of high-impedance grounding reactors on the converter side of power transformers. The main requirement for such units is the ability to withstand simultaneous AC an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c10a368847a0910ba6087da4df8885ba
https://doi.org/10.1016/j.epsr.2017.10.017
https://doi.org/10.1016/j.epsr.2017.10.017
Autor:
Viktor Milardić, Bojan Trkulja, Dalibor Filipović-Grčić, Ana Drandić, Igor Žiger, Tomislav Župan
Publikováno v:
Electric Power Systems Research. 147:185-191
This paper presents a fast and precise method for the calculation of internal voltage transients over the voltage instrument transformer windings. Lumped circuit parameters of the transformer winding are calculated using self-developed solvers based
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f186bef84d42e5d960ba537f0a984136
https://doi.org/10.1016/j.epsr.2017.02.024
https://doi.org/10.1016/j.epsr.2017.02.024
Publikováno v:
Procedia Engineering. 202:189-201
Ultrasonic method of detecting PD is based on the fact that the electrical energy of the PD transforms in a mechanical energy, an ultrasonic acoustic wave that spreads through the transformer to the tank wall. These mechanical waves are detected with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80c4dfe79d4a0b3f21d9f8e27421d0ea
https://doi.org/10.1016/j.proeng.2017.09.707
https://doi.org/10.1016/j.proeng.2017.09.707
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9783030316792
Partial discharges occur because of insulation defects, when the electric field amplitude locally exceeds the dielectric strength of the cavities inside the insulating material. The thermal, chemical and electrical phenomena associated with the parti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82b32c89957fb7aa2eeb0b40e68f022d
https://doi.org/10.1007/978-3-030-31680-8_128
https://doi.org/10.1007/978-3-030-31680-8_128
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9783030316792
In this paper, a new test circuit is proposed for overvoltage testing of capacitors based on a motor-driven regulating transformer. Motor drives tap selector which is designed to ensure good electrical contact and low wearing. Keeping the test circui
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fe65192445664add6a4e6c7aadf592e
https://doi.org/10.1007/978-3-030-31680-8_126
https://doi.org/10.1007/978-3-030-31680-8_126
Autor:
Bruno Jurišić, Ivan Murat, Alan Zupan, Dalibor Filipović-Grčić, Bozidar Filipovic-Grcic, Samir Keitoue
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789811555992
In this paper, an on-line transient overvoltage monitoring system (TOMS) for power transformers is used for measurement of overvoltages on the transformer bushing tap. The focus of the paper is on the analysis of transient overvoltages caused by ligh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::824ae9ece01fc8cb8364aa29559724ee
https://www.bib.irb.hr/1025147
https://www.bib.irb.hr/1025147
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789811555992
Although their primary purpose is not line discharging, inductive voltage and combined transformers are recognized as suitable solution for line discharge due to a typically very fast decay of trapped charge. Discharge capability of instrument transf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::560ce2ae64219b0b24c93c913178fc3b
https://www.bib.irb.hr/1027569
https://www.bib.irb.hr/1027569
Autor:
Dalibor Filipović-Grčić, Božidar Filipović-Grčić, Igor Žiger, Danijel Krajtner, Danijel Brezak, Rajko Gardijan
Publikováno v:
Journal of Energy : Energija
Volume 67
Issue 2
Volume 67
Issue 2
Star-point reactors are grounding devices installed in HVDC stations between the converter transformer secondary side and AC side of converter arms to provide a reference to ground. Such reactors are used as high-impedance grounding on the converter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ecfa5948bed616d70966f089013f45fe
https://www.bib.irb.hr/937168
https://www.bib.irb.hr/937168
Publikováno v:
Electric Power Systems Research. 121:170-175
Testing of electrical equipment with AC currents is a common test in both high power and high voltage laboratories. It implies driving currents, sometimes several tens of kilo-amperes high, through a test object loop conductor. Test transformers are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::562bdb4fd717c8165f821a5f7ca1ad74
https://doi.org/10.1016/j.epsr.2014.12.015
https://doi.org/10.1016/j.epsr.2014.12.015