Helix grounding electrode with good grounding performance [PDF]
MATEC Web of Conferences, 2019 Grounding electrode is used for discharging current and ensure the safe and stable operation of electrical equipment. Grounding performance of grounding electrode will degradation with limited installation space.
Zhang Zhanlong +4 more
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Study on the Interference of the HVDC Transmission Grounding Electrode to the Pipeline Cathodic Protection System. [PDF]
ACS Omega, 2023 Oil and gas are still largely transported by long-distance pipelines. In this study, we aimed to examine the impact of the high-voltage DC transmission grounding electrode on long-distance pipelines’ cathodic protection system nearby.
Chen X, Li L.
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Onset electric field of soil ionisation around grounding electrode under lightning
High Voltage, 2020 Onset electric field of soil ionisation is one of the basic parameters to analyse the lightning impulse performance of a grounding electrode, which has been fully investigated based on experiments on hemispherical electrode or rod-to-rod gap.
Bo Zhang, Zhizhong Li, Sen Wang
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Research on Earth Resistivity Measuring and Modeling of HVDC Deep-Well Grounding Electrode Sites
IEEE Access, 2020 HVDC Deep-well grounding electrode covers a small area, which effectively alleviates the problem of difficulty in selecting the site of grounding electrode.
Maoheng Jing +7 more
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Evaluation principle and method of horizontal grounding electrode based on time‐varying impedance
IET Science, Measurement & Technology, 2021 The length of the horizontal grounding electrode is usually extended to decrease the impulse grounding resistance. In this paper, the mechanism for influencing the effective length is revealed by studying the dispersal process of a horizontal electrode ...
Xiaobin Cao +5 more
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FEM Analysis and Sensor-Based Measurement Scheme of Current Distribution for Grounding Electrode
Applied Sciences, 2020 The current distribution of the grounding electrode in a high-voltage direct current (HVDC) transmission system affects the state of power equipment in its vicinity, which depends on the soil resistivity and shape of the grounding electrode.
Li Zhu +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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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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Corrosion Rate Simulation and Influence Factors of a Vertical DC Grounding Electrode
IEEE Access, 2018 Corrosion affects the performance of grounding electrode materials buried in soil and threatens the safe operation of power systems. Natural corrosion of grounding electrode materials occurs over a long time and involves many influencing factors ...
Xuefang Tong +5 more
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International Journal of Electrochemical Science, 2018 In this study, corrosion of the horizontal linear carbon steel grounding electrode buried in soil of the transmission system at various direct current (DC) densities was investigated by the electrode potential, pH, anode iron dissolution and corrosion ...
Zhanlong Zhang +5 more
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