Results 21 to 30 of about 978,622 (297)
Study of the high-frequency characteristics of grounding materials [PDF]
E3S Web of Conferences, 2023 Long-term safe and stable grounding system is the fundamental guarantee to maintain the stable operation of equipment and ensure the safety of staff. This paper investigates the high-frequency characteristics of several common grounding materials. Due to
Liu Zhuoran +5 more
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Analysis of the effect of explosion grounding electrode on grounding resistance reduction
The Journal of Engineering, 2019 Developing cracks in the soil by means of explosions in the holes, as is called the explosion grounding electrode in this study, is a very effective way to reduce the grounding resistance in the area with high resistivity soil.
Yongli Wang +4 more
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Characteristics of the Flexible Graphite Grounding Material and its Engineering Application
IEEE Access, 2019 In order to meet the requirements of corrosion resistance of the grounding material and thermal stability of the grounding material of the transmission line towers, under the condition of power frequency current and high-frequency lightning current ...
Daochun Huang +4 more
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A New Flexible Graphite Composite Electrical Grounding Material
Frontiers in Materials, 2022 Corrosion is an inevitable problem of metallic grounding grids. To propose an effective method avoiding the above corrosion, a new type of non-metallic grounding material was made in this paper. It is called flexible graphite composite grounding material,
Tao Huang +7 more
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Research on influencing factors of arc grounding over-voltage in mine power supply system
Gong-kuang zidonghua, 2017 In order to comprehensively study influence factors such as grounding resistance, line resistance, fault location, grounding capacitance, interphase capacitance and arc ignition time on arc grounding over-voltage in mine power supply system, typical mine
LIU Jucai +6 more
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Research on Distribution Characteristics of DC Potential Near the UHVDC Grounding Electrode
IEEE Access, 2020 The rated current of ±800kV Ultra High Voltage Direct Current (UHVDC) Transmission system can be up to 6250A, so that the influence of the DC grounding current of electrode is enormous.
Jianhong Hao +3 more
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Energies, 2018 An optimal design method is proposed in this paper to improve the safety and price competitiveness of floating photovoltaic (PV) systems. From the standards for grounding by the International Electrotechnical Commission (IEC) 60364, the Electrical ...
Byeong Gwan Bhang +6 more
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Influence of lightning current surge shape and peak value on grounding parameters [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2021 Groundings are necessary parts included in lightning and shock protection. In the case of a surge current, high current phenomena are observed inside the grounding. They are result of the electrical discharges around the electrode when the critical field
Artur Łukaszewski, Łukasz Nogal
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ElectronicsDue to the precision limitations of traditional fault location methods in identifying grounding faults in High-Voltage Direct Current (HVDC) transmission systems and considering the high occurrence probability of high-resistance grounding faults in ...
Ping Huang +4 more
semanticscholar +1 more source
Energies, 2023 This paper presents a numerical investigation regarding the possibility of using electrically conductive concrete (ECON) combined with concrete-encased electrode (CEE) technology to develop new substation grounding systems (SGSs) called ECON-EE as a ...
Mouna Daadaa +3 more
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