Results 11 to 20 of about 2,695 (261)
Simulation Analysis of Grounding Characteristics of Cable Based on ATP-EMTP
IEEE Access, 2022 In order to improve the operational safety and stability of power cables, it is necessary to conduct targeted research on different grounding modes. Firstly, the appropriate cable parameters were selected according to the specific use, and the model was ...
Youcong Huang +6 more
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Comparison of Grounding Grid Parameters Between Copper and Galvanized Flat Steel [PDF]
E3S Web of Conferences, 2021 In the intelligent substation, the shell of the secondary equipment is connected to the ground grid locally. When the short circuit fault current is injected into the grounding grid to cause the ground potential rise, the potential difference between the
Yu Yue +5 more
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Harmonic grounding impedance of rods in horizontally stratified soils using ABCD-matrix approach
e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023 Grounding electrodes play a fundamental role in the operation of power systems. In this context, precise computation of grounding impedance must consider the frequency-dependence of the soil parameters and the ground organized in stratified layers of ...
Anderson R.J. de Araújo +4 more
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Sensors, 2023 Starting from the need for emergency rescue information transmission in tunnel engineering accidents, this article focuses on researching and solving the technical problems of information transmission between rescue personnel and trapped personnel after ...
Jingang He +5 more
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Energies, 2022 Pulse-width modulation (PWM) inverter drive systems are widely applied in industry for their great speed-control characteristics and performance. However, the common-mode voltage of the inverter induces motor bearing voltage and bearing current, which ...
Lei Yang +5 more
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IET Science, Measurement & Technology, 2021 The impulse impedance of the tower is the core parameter to evaluate the lightning protection performance of the transmission line. The high soil resistivity and the underground rock layers in the mountainous areas will induce large impulse impedance and
Lin Huang +5 more
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Tower impulse grounding resistance measurement based on multiple frequency impedance
IET Generation, Transmission & Distribution, 2023 Tower impulse grounding resistance is important for judging the lightning protection performance of transmission lines. Therefore, it is significant to accurately measure the tower impulse grounding resistance. Existing measurement methods mainly contain
Yihua Dan +5 more
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Journal of Electrical Systems and Information Technology, 2023 The grounding system of an electrical substation provides safety to both operator and equipment. The lightning current waveform has a major influence on the dynamic performance of ground electrodes.
Kaushal Pratap Sengar +1 more
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Analysis of earth resistivity frequency dependence: Test method and its practical application [PDF]
Tehnika, 2015 The first step in planning and designing of the proper grounding system, is the earth resistivity measurement. Measurements are carried out before the construction of the power facility.
Kostić Vojin I. +2 more
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e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023 Adequate soil modeling is fundamental to assessing the grounding impedance of the grounding system and the transient responses in power systems. This paper aims to investigate three soil models with electrical parameters varying with frequency and water ...
Walter Luiz Manzi de Azevedo +4 more
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