Zobrazeno 1 - 10
of 26
pro vyhledávání: '"D. G. Koliushko"'
Publikováno v:
Electrical engineering & Electromechanics, Vol 2023, Iss 5, Pp 63-68 (2023)
The electric field strength is one of the main factors influencing sensitive microprocessor equipment and personnel on power stations and substations, power lines. Determining its level is an important applied task for ensuring the safe operation of
Externí odkaz:
https://doaj.org/article/9ead1fdb33b4499f909b0974f9d398f7
Publikováno v:
Electrical engineering & Electromechanics, Iss 1, Pp 77-82 (2023)
The work is devoted to the improvement of methods for determining the normalized parameters of the grounding system (GS) of operating power stations and substations. The aim of the work is determination of the scope of the experimental-calculated met
Externí odkaz:
https://doaj.org/article/dd01e088a5414eb381dde6992f885da9
Publikováno v:
Electrical engineering & Electromechanics, Iss 4, Pp 75-80 (2022)
The aim of the work is a test of the developed mathematical model of electromagnetic processes of short circuit and approbation of the created software complex «LiGro» on its basis for the existing grounding system located in three-layer soil. Meth
Externí odkaz:
https://doaj.org/article/c68d32a1d9f44b1f9fdedf3194444ace
Publikováno v:
Electrical engineering & Electromechanics, Iss 5, Pp 67-70 (2021)
The paper is devoted to the problem of determining the geoelectric structure of the soil within the procedure of testing the grounding arrangements of existing power plants and substations to the required depth in conditions of dense development. To
Externí odkaz:
https://doaj.org/article/47b83f9e2e2f45b3b3481106e1f7ef5b
Publikováno v:
Electrical engineering & Electromechanics, Iss 5, Pp 66-70 (2020)
Introduction. Within the framework of European integration of Ukraine, the international Standard IEC 62305 has been harmonized, which provides for a full inspection of lightning protection devices with a frequency of 0.5 – 4 years, which significa
Externí odkaz:
https://doaj.org/article/a25c641d9e77415a85bf12ff5d306088
Publikováno v:
Electrical engineering & Electromechanics, Iss 1, Pp 52-55 (2020)
Purpose. Determination of the minimum required sounding depth for calculation of the earthing resistance for substations with a voltage class of 35 kV. Methodology. For each ratio of electrical resistivity values of soil layers, earthing resistance w
Externí odkaz:
https://doaj.org/article/47774bd024aa435b87140339538f7afe
Publikováno v:
Electrical engineering & Electromechanics, Iss 3, Pp 55-58 (2019)
Purpose. The creation of a measuring device for determining the impedance of the grounding of lightning arresters and supports of overhead lines under the influence of aperiodic pulses with the parameters 1.2/50 μs, 8/20 μs and 10/350 μs. Methodol
Externí odkaz:
https://doaj.org/article/95b096a724d148e7a1ca82cbd8560b72
Autor:
D. G. Koliushko, S. S. Rudenko
Publikováno v:
Electrical engineering & Electromechanics, Iss 1, Pp 67-72 (2019)
Purpose. The purpose of the work is to analyze the modern methods of control and determine the most effective ones for monitoring the state of grounding of existing energy objects in operation. Methodology. The analysis of the methods was carried on
Externí odkaz:
https://doaj.org/article/a315391b27784706a4a8c7cb489a673a
Publikováno v:
Electrical engineering & Electromechanics, Iss 5, Pp 72-79 (2018)
Purpose. The purpose of the work is to develop the fundamentals of the design methodology of grounding system design of substations with open switchgears 330 (220) kV, which is aimed at ensuring electromagnetic compatibility of secondary circuits of
Externí odkaz:
https://doaj.org/article/c35df6c6920c4f728f3e9b707c380b57
Autor:
D. G. Koliushko, S. S. Rudenko
Publikováno v:
Electrical engineering & Electromechanics, Iss 1, Pp 66-70 (2018)
Purpose. Experimental substantiation of the possibility of using the calculation procedure of normalized parameters grounding devices on the basis of a three-layer model soil. Methodology. The research was based on comparison of the results of experi
Externí odkaz:
https://doaj.org/article/daa529eb42a64348b17d2e0984a6ce12