Assessment of earth electrode resistance in residential building by using 3 pole method test

Jamal Abana, Muhamad Amir Syahir (2022) Assessment of earth electrode resistance in residential building by using 3 pole method test. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

An earthing system is an electrical system that provides a direct electrical connection to the Earth. The primary function of an earthing system is to ensure safety and avoid accident to people and equipment. The project objectives are to study the earth electrode system in Malaysia, Next, to inspect and investigate the earth resistance using 3 pole method test and evaluate and analyze the earth resistance in various location are following the regulation of Suruhanjaya Tenaga. The most common way to measure earth resistance is full 3 pole method, a number of tests are made at different distances of Potential and the resistance curve is plotted and also using simplified 3 pole method test. This method was used by Suruhanjaya Tenaga to measure resistance. Three measurements were taken at certain distances of P, and average calculation was used to figure out what the resistance was. The evaluation in the hill area received a very high reading. One possible explanation is that the ground at the top of the hill is drier than the soil at the bottom, which increases the resistance to the flow of electric current. The earth's resistance was observed to be high regardless of the fact that the house had only recently been completed built, so the assumption was made that maybe because lack of knowledge when doing research, moisture of soil, temperature or the contractor who did the wiring of this house may have taken safety for granted. Overall, the main purpose of this assessment was to determine whether the earth electrode system was providing an adequate level of protection against electric shock and other hazards.

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