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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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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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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Analysis the influence of corrosion layer on the grounding performance of grounding electrodes [PDF]
IET Generation, Transmission & Distribution, 2020 The grounding electrode buried in soil is prone to corrosion affected by soil and leakage current. The surface of corroded grounding electrodes is wrapped with corrosion product, which affects the normal current dissipation process and weakens the ...
Zhanlong Zhang +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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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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A three-dimensional bipolar microneedle electrode array with local ground integrated at each sidewall for enhanced focal electric stimulation [PDF]
Microsystems & NanoengineeringThe need for spatially-confined electrical stimulation is growing in biomedical applications, for example intracortical stimulation and retinal implant, for enhancement of stimulating resolution.
Seung-Han Chung +11 more
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Topological study on electrode wells of vertical grounding electrodes of UHVDC
The Journal of Engineering, 2019 The main body of vertical grounding electrodes of an ultra-high-voltage direct current (UHVDC) converter station is dispersed electrode wells, due to the shielding effect between electrode wells, the arrangement of which is a problem that needs to ...
Wei Chen +5 more
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Research on the Interaction Between Multi-Circuit Shared HVDC Grounding Electrodes
南方能源建设, 2023 [Introduction] Unlike the independent grounding electrode, shared earth electrode is connected to multiple DC (Direct Current) systems, and its parameters and operation mode need to be determined by each system connected to it.
Yu LIU, Wen WANG
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南方能源建设, 2021 [Introduction] To solve the problem of difficult site selection for grounding electrodes in HVDC transmission projects in Guangdong, this paper analyzes the connection of existing grounding electrodes to form a WAN grounding electrode for future DC ...
GAO Jia +4 more
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