Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area

This paper presents a comparative analysis of different earthing designs’ performances, with particular interest on the use of earthing enhancing compound (EEC) for a selected earthing design of 500 kV transmission towers in a rocky soil, using the SESCAD tool of the Current distribution, electromag...

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Main Authors: Mohd Nasir, Nur Alia Farina, Ab. Kadir, Mohd. Zainal Abidin, Osman, Miszaina, Abd Rahman, Muhamad Safwan, Ungku Amirulddin Al Amin, Ungku Anisa, Mohd Nasir, Mohd Solehin, Zaini, Nur Hazirah, Nik Ali, Nik Hakimi
Format: Article
Language:English
Published: Multidisciplinary Digital Publishing Institute 2021
Online Access:http://psasir.upm.edu.my/id/eprint/96880/
http://psasir.upm.edu.my/id/eprint/96880/1/ABSTRACT.pdf
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author Mohd Nasir, Nur Alia Farina
Ab. Kadir, Mohd. Zainal Abidin
Osman, Miszaina
Abd Rahman, Muhamad Safwan
Ungku Amirulddin Al Amin, Ungku Anisa
Mohd Nasir, Mohd Solehin
Zaini, Nur Hazirah
Nik Ali, Nik Hakimi
author_facet Mohd Nasir, Nur Alia Farina
Ab. Kadir, Mohd. Zainal Abidin
Osman, Miszaina
Abd Rahman, Muhamad Safwan
Ungku Amirulddin Al Amin, Ungku Anisa
Mohd Nasir, Mohd Solehin
Zaini, Nur Hazirah
Nik Ali, Nik Hakimi
author_sort Mohd Nasir, Nur Alia Farina
building UPM Institutional Repository
collection Online Access
description This paper presents a comparative analysis of different earthing designs’ performances, with particular interest on the use of earthing enhancing compound (EEC) for a selected earthing design of 500 kV transmission towers in a rocky soil, using the SESCAD tool of the Current distribution, electromagnetic field grounding and soil structure analysis (CDEGS) software. The simulation included the interpretation of soil profile and comparison between designs A, B and C, which are currently used for the 500 kV tower footing resistance (TFR) improvement. Results showed each design had reduced the TFR by 66%, 54.7% and 63.2% for the towers T42, T48 and T50, respectively. In some cases, further improvement of TFR is required, especially in the rocky area where the soil resistivity (SR) value is of more than 500 Ω⋅m. In this case, EEC was used in Design C, encasing both the vertical and horizontal electrodes, and it reduced the TFR further by 16% to 20%. The characteristics of the soil and earthing arrangement design play an important role in achieving a low TFR value, which is directly proportional to the backflashover occurrence and thus to the transmission line performance.
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institution Universiti Putra Malaysia
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language English
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publishDate 2021
publisher Multidisciplinary Digital Publishing Institute
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spelling upm-968802022-11-30T06:21:51Z http://psasir.upm.edu.my/id/eprint/96880/ Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area Mohd Nasir, Nur Alia Farina Ab. Kadir, Mohd. Zainal Abidin Osman, Miszaina Abd Rahman, Muhamad Safwan Ungku Amirulddin Al Amin, Ungku Anisa Mohd Nasir, Mohd Solehin Zaini, Nur Hazirah Nik Ali, Nik Hakimi This paper presents a comparative analysis of different earthing designs’ performances, with particular interest on the use of earthing enhancing compound (EEC) for a selected earthing design of 500 kV transmission towers in a rocky soil, using the SESCAD tool of the Current distribution, electromagnetic field grounding and soil structure analysis (CDEGS) software. The simulation included the interpretation of soil profile and comparison between designs A, B and C, which are currently used for the 500 kV tower footing resistance (TFR) improvement. Results showed each design had reduced the TFR by 66%, 54.7% and 63.2% for the towers T42, T48 and T50, respectively. In some cases, further improvement of TFR is required, especially in the rocky area where the soil resistivity (SR) value is of more than 500 Ω⋅m. In this case, EEC was used in Design C, encasing both the vertical and horizontal electrodes, and it reduced the TFR further by 16% to 20%. The characteristics of the soil and earthing arrangement design play an important role in achieving a low TFR value, which is directly proportional to the backflashover occurrence and thus to the transmission line performance. Multidisciplinary Digital Publishing Institute 2021 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/96880/1/ABSTRACT.pdf Mohd Nasir, Nur Alia Farina and Ab. Kadir, Mohd. Zainal Abidin and Osman, Miszaina and Abd Rahman, Muhamad Safwan and Ungku Amirulddin Al Amin, Ungku Anisa and Mohd Nasir, Mohd Solehin and Zaini, Nur Hazirah and Nik Ali, Nik Hakimi (2021) Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area. Applied Sciences (Basel), 11 (12). pp. 1-14. ISSN 2076-3417 https://www.mdpi.com/2076-3417/11/12/5623 10.3390/app11125623
spellingShingle Mohd Nasir, Nur Alia Farina
Ab. Kadir, Mohd. Zainal Abidin
Osman, Miszaina
Abd Rahman, Muhamad Safwan
Ungku Amirulddin Al Amin, Ungku Anisa
Mohd Nasir, Mohd Solehin
Zaini, Nur Hazirah
Nik Ali, Nik Hakimi
Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area
title Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area
title_full Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area
title_fullStr Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area
title_full_unstemmed Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area
title_short Effect of Earthing Enhancing Compound (EEC) on improving tower footing resistance of a 500 kV Tower in a rocky area
title_sort effect of earthing enhancing compound (eec) on improving tower footing resistance of a 500 kv tower in a rocky area
url http://psasir.upm.edu.my/id/eprint/96880/
http://psasir.upm.edu.my/id/eprint/96880/
http://psasir.upm.edu.my/id/eprint/96880/
http://psasir.upm.edu.my/id/eprint/96880/1/ABSTRACT.pdf