Results 1 to 10 of about 6,842 (266)
A Capacitance-to-Ground Measuring Method for Medium-Voltage Power Grid of a Ship Based on the Combination of High and Low Frequencies [PDF]
SensorsWith the increase in capacity of large ship electric power systems, medium-voltage electric power systems have gradually become an inevitable choice. Among China’s large ships, the neutral point of the power system is usually grounded by high resistance,
Shuai Wang +3 more
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Engineering Reports, 2023 The neutral point of the distribution network is grounded with low resistance, which can quickly remove single‐phase grounding fault and effectively suppress overvoltage. However, the existing zero‐sequence overcurrent protection has a high setting value.
Gang Wang, Liyi Wang
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Electronics (Switzerland), 2023 The detection and selection of fault lines in resonant grounding distribution networks pose challenges due to the lack of sufficient state parameters and data. This paper proposes an approach to overcome these limitations by reconstructing the initial criterion for fault occurrence and fault line selection.
Baopeng Lu
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Simulation and Experiment Analysis of 10 kV Flexible Grounding Device
Information, 2021 The traditional 10 kV distribution network grounding system has some disadvantages, such as small grounding current and poor arc extinguishing effect, thus, hindering the detection of high-resistance grounding fault.
Mengxuan Liu, Chi Zhang, Kangli Liu
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Xi'an Gongcheng Daxue xuebao, 2022 The resistance temperature characteristics and thermal stability of graphite based flexible grounding materials were studied. With the method of current heating and constant temperature protection, the resistance of grounding body at each temperature was
HU Songjiang +6 more
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Potentials' distribution in high resistivity soil around extended grounding electrodes [PDF]
Vestnik MGTU, 2016 The potential distribution in high resistivity soil around extended grounding electrodes has been described in the paper. The high-voltage polygon has been developed for experimental investigation.
Ivonin V. V.
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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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Gong-kuang zidonghua, 2020 In view of problems of limited terrain, short effective dispersion length, and low resistance reduction efficiency in the extensional resistance reduction of the grounding grid of incoming line section of mine substation, a resistance reduction method ...
XIE Hongping +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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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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