Results 1 to 10 of about 91 (60)
Energies, 2021 In the latest research, it has been proven that from the point of view of losses in a cable distribution line, the most advantageous operation is to work with two or one phase of metallic cable screen ungrounded.
Krzysztof Walczak +1 more
exaly +3 more sources
Energies, 2020 The paper presents the possibility of using cable screen earthing current measurements for MV, single-core cable line monitoring. Cable screen earthing current measurement allows the condition of cable screen connections, degradation of earthing systems,
Krzysztof Lowczowski +2 more
exaly +3 more sources
Analysis of Overvoltages Appearing in One-Sidedly Ungrounded MV Power Cable Screen
Energies, 2020 Changing the connection type of a medium voltage (MV) cable screen is linked to a decrease in power loss, although it may also lead to the generation of overvoltage in a metallic cable screen, which is hazardous for proper cable line work. In this paper,
Krzysztof Walczak +1 more
exaly +3 more sources
Energies, 2021 The article discusses the selection of cables for power lines connecting wind turbine generators at the wind power plant. The screen cross-section of these cables should be selected considering the value of the screen current at double line-to-earth ...
Mohamed Qawaqzeh +2 more
exaly +3 more sources
Energies, 2022 This paper presents the final development of an expert system utilizing a measurement of cable screen earthing transient current. The developed system allows for identification and location of earth fault in underground cable and mixed lines (underground
Krzysztof Lowczowski, Bartosz Olejnik
exaly +3 more sources
Analysis of Cable Screen Currents for Diagnostics Purposes
Energies, 2019 This paper presents current flow in cable screens and a cable screen earthing system. Moreover, the paper presents the methodology for the detection of problems in cable screens, such as open phase in a cable screen and high contact resistance of a cable
Krzysztof Lowczowski +2 more
exaly +3 more sources
IEEE Access, 2019 Along with the geometric and electromagnetic properties, incorporation of multiple semiconducting screens in an underground (UG) power cable influences the primary line parameters as well as wave properties of the cable.
Mousam Ghosh +2 more
exaly +3 more sources
Novel Earth Fault Protection Algorithm Based on MV Cable Screen Zero Sequence Current Filter
Energies, 2019 This paper presents novel zero sequence current filter and earth fault protection relay, which utilize cable screens earthing current in protection algorithm.
Andruszkiewicz Jerzy +2 more
exaly +3 more sources
Energy Engineering and Control Systems, 2021 The paper presents issues related with detection and location of earth faults in medium voltage (MV) networks. Attention is paid on cable and cable-overhead lines. The criterion value – cable screen earthing current is presented.
Krzysztof Łowczowski +3 more
doaj +1 more source
Thermal Analysis of the Medium Voltage Cable
Energies, 2021 The use of high voltage power cables in distribution and transmission networks is still increasing. As a result, the research on the electrical performance of cable lines is still up to date.
Tomasz Szczegielniak +2 more
doaj +1 more source