Different Approaches to Grounding Resistance Calculation for Thin Wire Structures at Low Frequency Energization

Provided by: The International Journals of Engineering & Sciences (IJENS)
Topic: Hardware
Format: PDF
In this paper, the authors deal with the calculation of grounding resistance of an electrode composed of thin wires, that they consider here as Perfect Electric Conductors (PEC) e.g. with null internal resistance, when buried in a soil of uniform resistivity. The potential profile at the ground surface is also calculated when the electrode is energized with low frequency current. The classic treatment by using leakage currents, called Charge Simulated Method (CSM), is compared with that using a set of steady currents along the axis of the wires, here called the Longitudinal Currents Method (LCM), to solve the Maxwell equations.

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