Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Mrvić Jovan"'
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 2023, Iss 33, Pp 1-13 (2023)
Ferroresonance is a complex nonlinear electrical phenomenon that can cause significant dielectric and thermal stresses in power equipment, leading to potential faults, equipment damage, power supply interruptions, etc. Three-phase networks with isola
Externí odkaz:
https://doaj.org/article/6a3893dd89cd4846a5dd2c5a62f359d7
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 2022, Iss 32, Pp 27-41 (2022)
During its operation, electrical equipment is constantly exposed to overvoltages of various waveforms, such as lightning discharges, switching operations, faults, etc. Therefore, adequate selection of overvoltage protection and equipment insulation w
Externí odkaz:
https://doaj.org/article/b3d9e6fb14404f9c88126e55b56941d5
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 31, Iss 31, Pp 1-12 (2021)
The paper analyzes the possibility of using the Heidler function in programs for electromagnetic transients. The parameters of the Heidler function are calculated for various standard waveforms, where greater accuracy is shown for certain waves than
Externí odkaz:
https://doaj.org/article/d985c0213b4c4a03a6919589afb42ffc
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 30, Iss 30, Pp 43-49 (2020)
The procedure for determining the reduction factor for 110 kV feeding cable lines based on the measurement results is presented in this paper. The obtained results were compared with the values obtained by cable line modeling by ATP/EMTP software too
Externí odkaz:
https://doaj.org/article/4c33ca1ea8e640c9bc3a35abdae7f079
Comparative analysis of the switching energy losses in GaN HEMT and silicon MOSFET power transistors
Autor:
Mrvić Jovan, Vukić Vladimir Đ.
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 30, Iss 30, Pp 93-109 (2020)
The subject of this paper is the mutual comparison of switching energy losses in cascode gallium nitride HEMT and silicon "superjunction" MOSFET transistor, both designed for a maximum operating voltage of 650 V. For the purpose of analysis the trans
Externí odkaz:
https://doaj.org/article/af67c60c82c743c0999a6bef79d09b44
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 30, Iss 30, Pp 69-80 (2020)
The paper presents the possibility of using high voltage tests within frame of acceptance tests in the power facilities of renewable energy sources. The practical problems that present them to the examiners on site and the ways to overcome them are d
Externí odkaz:
https://doaj.org/article/ee3d3281e6df4f69ae40eae4c2aaf861
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 29, Iss 29, Pp 1-11 (2019)
The tower footing grounding system is of major importance for analysis of the lightning overvoltages on an overhead transmission line during backflashover and shielding failure. This paper presents one approach to wide-band modelling of tower footing
Externí odkaz:
https://doaj.org/article/2a06b188193d43ac90dd037e2cdf1033
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 29, Iss 29, Pp 37-44 (2019)
The paper presents an approach to testing old cable, damaged during atmospheric discharges. A description of the cable is given and a series of tests in the field is proposed in order to evaluate the cable insulation condition. First, the results of
Externí odkaz:
https://doaj.org/article/74871c4b7f504433a50e406201aa11c9
Autor:
Simić Ninoslav, Mrvić Jovan
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 28, Iss 28, Pp 75-84 (2018)
This paper presents an improved approach to testing the condition of cables in terms of further exploitation. The advantages and disadvantages of using DC and VLF test voltages are noted. A description of two damaged electric power cables in a city i
Externí odkaz:
https://doaj.org/article/4e4b55966a5440fcaae993f9f302096e
Publikováno v:
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 27, Iss 27, Pp 57-69 (2017)
The paper deals with the topic of the installation and connection of temporary field electrical installations by external contractors in power plants and large industrial plants. One of the possible solutions and a detailed description of the equipme
Externí odkaz:
https://doaj.org/article/d1f6fbc61e144beba864a2d54cf07235