Grounding

Estimation of Effective Length of Type-A Grounding System According to IEC 62305-3 Using a Machine Learning Regression Model
Two types of grounding systems are recommended for use in the international standard IEC 62305-3, Part 3: Physical damage to structures …
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Analysis of lightning overvoltages on transmission lines using the EMTP-ATP program
In this paper, several models of transmission poles, grounding devices and insulators are explained, and their characteristic data are …
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Calculation of the Grounding Resistance of Structures Located on Elevated Terrain
We present an analysis of the response of a grounding electrode located on the top of a mountain. Specifically, we derive an analytical …
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Selection of parameters and application of surge arresters in distribution networks
The topic of this thesis is Parameter selection and application of surge arresters in the distribution network. To begin the work, a …
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Tower and Path-Dependent Voltage Effects on the Measurement of Grounding Impedance for Lightning Studies
We present an analysis aimed at evaluating the effect of the presence of the tower on the measurement of the grounding impedance. The …
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Transient Impedance of Interconnected Wind Turbine Grounding Systems
Wind turbines are very vulnerable to lightning because of their height, sharp edges and remote locations often with low soil …
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Relay protection of isolated, compensated and low- resistance grounded distribution networks
This thesis consists of a theoretical background of the relay protection schemes in distribution networks that will be activated if the …
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Forward and inverse continuous numerical Fourier transform for transient analysis of electromagnetic phenomena
In this paper a numerical algorithm for solving the forward and inverse Fourier transform of arbitrary transient functions is …
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Design basics of synchronous generators relay protection systems
The paper describes the issues of designing a relay (electrical) protection system for synchronous generators of different nominal …
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Numerical relay settings calculation for the generator at HPP Prancevici
The paper deals in detail with the calculation and selection of settings for the numerical relay device type 7UM6225 from Siemens for …
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