Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators

Muhammad Majid Hussain; Shahab Farokhi; Scott McMeekin; Masoud Farzaneh

doi:10.1109/CATCON.2015.7449527

Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators

Muhammad Majid Hussain, Shahab Farokhi, Scott McMeekin, Masoud Farzaneh

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Due to the wide range applications of high voltage insulators in power network systems, the reliable performance of insulators is challenged by different climate conditions including soluble and non-soluble contaminations. High voltage insulators installed near coastal areas are heavily contaminated with sea salt. In winter, due to the combined effect of sea salt and cold fog deposition, leakage current (LC) may flow on the insulators and surface degradation may take place, which may lead to surface flashover and consequently, to premature failure of power network systems. The leakage current waveform has a strong relationship with the contamination level, fog conditions and applied voltage. The investigation of LC before the flashover is essential to the reliability and secure operation of outdoor insulators. To determine the leakage current (LC) performance of high voltage silicone rubber insulators, laboratory investigation was carried out in an environmental chamber to understand this phenomenon and to simulate different behavior on the insulator surface. The performance of LC was investigated in laboratory during three different periods i.e. wetting period, drying period and dry band arcing period. Also for better understanding of insulator leakage current response an electrical model was used for computer based simulation using EMTP software. The relationship was analyzed on experimental and simulation work on the bases of magnitude and total harmonic distortion (THD).

Original language	English
Title of host publication	2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2015)
Subtitle of host publication	Proceedings of a meeting held 10-12 December 2015, Bengaluru, India
Publisher	Institute of Electrical and Electronics Engineers
Pages	163-167
Number of pages	5
ISBN (Print)	978-1-4673-7748-5
DOIs	https://doi.org/10.1109/CATCON.2015.7449527
Publication status	Published - Dec 2015
Event	2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON) - Central Power Research Institute (CPRI), Bengaluru, India Duration: 10 Dec 2015 → 12 Dec 2015 Conference number: 2nd

Conference

Conference	2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON)
Abbreviated title	CATCON 2015
Country/Territory	India
City	Bengaluru
Period	10/12/15 → 12/12/15

Keywords

leakage current
silicone rubber insulator
contamination
cold Fog
EMTP

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10.1109/CATCON.2015.7449527Licence: CC BY-NC-ND

Cite this

Hussain, M. M., Farokhi, S., McMeekin, S., & Farzaneh, M. (2015). Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators. In 2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2015): Proceedings of a meeting held 10-12 December 2015, Bengaluru, India (pp. 163-167). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/CATCON.2015.7449527

Hussain, Muhammad Majid ; Farokhi, Shahab ; McMeekin, Scott et al. / Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators. 2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2015): Proceedings of a meeting held 10-12 December 2015, Bengaluru, India. Institute of Electrical and Electronics Engineers, 2015. pp. 163-167

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title = "Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators",

abstract = "Due to the wide range applications of high voltage insulators in power network systems, the reliable performance of insulators is challenged by different climate conditions including soluble and non-soluble contaminations. High voltage insulators installed near coastal areas are heavily contaminated with sea salt. In winter, due to the combined effect of sea salt and cold fog deposition, leakage current (LC) may flow on the insulators and surface degradation may take place, which may lead to surface flashover and consequently, to premature failure of power network systems. The leakage current waveform has a strong relationship with the contamination level, fog conditions and applied voltage. The investigation of LC before the flashover is essential to the reliability and secure operation of outdoor insulators. To determine the leakage current (LC) performance of high voltage silicone rubber insulators, laboratory investigation was carried out in an environmental chamber to understand this phenomenon and to simulate different behavior on the insulator surface. The performance of LC was investigated in laboratory during three different periods i.e. wetting period, drying period and dry band arcing period. Also for better understanding of insulator leakage current response an electrical model was used for computer based simulation using EMTP software. The relationship was analyzed on experimental and simulation work on the bases of magnitude and total harmonic distortion (THD).",

keywords = "leakage current, silicone rubber insulator, contamination, cold Fog, EMTP",

author = "Hussain, {Muhammad Majid} and Shahab Farokhi and Scott McMeekin and Masoud Farzaneh",

year = "2015",

month = dec,

doi = "10.1109/CATCON.2015.7449527",

language = "English",

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Hussain, MM, Farokhi, S, McMeekin, S & Farzaneh, M 2015, Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators. in 2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2015): Proceedings of a meeting held 10-12 December 2015, Bengaluru, India. Institute of Electrical and Electronics Engineers, pp. 163-167, 2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON), Bengaluru, India, 10/12/15. https://doi.org/10.1109/CATCON.2015.7449527

Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators. / Hussain, Muhammad Majid; Farokhi, Shahab; McMeekin, Scott et al.

2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2015): Proceedings of a meeting held 10-12 December 2015, Bengaluru, India. Institute of Electrical and Electronics Engineers, 2015. p. 163-167.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators

AU - Hussain, Muhammad Majid

AU - Farokhi, Shahab

AU - McMeekin, Scott

AU - Farzaneh, Masoud

N1 - Conference code: 2nd

PY - 2015/12

Y1 - 2015/12

N2 - Due to the wide range applications of high voltage insulators in power network systems, the reliable performance of insulators is challenged by different climate conditions including soluble and non-soluble contaminations. High voltage insulators installed near coastal areas are heavily contaminated with sea salt. In winter, due to the combined effect of sea salt and cold fog deposition, leakage current (LC) may flow on the insulators and surface degradation may take place, which may lead to surface flashover and consequently, to premature failure of power network systems. The leakage current waveform has a strong relationship with the contamination level, fog conditions and applied voltage. The investigation of LC before the flashover is essential to the reliability and secure operation of outdoor insulators. To determine the leakage current (LC) performance of high voltage silicone rubber insulators, laboratory investigation was carried out in an environmental chamber to understand this phenomenon and to simulate different behavior on the insulator surface. The performance of LC was investigated in laboratory during three different periods i.e. wetting period, drying period and dry band arcing period. Also for better understanding of insulator leakage current response an electrical model was used for computer based simulation using EMTP software. The relationship was analyzed on experimental and simulation work on the bases of magnitude and total harmonic distortion (THD).

AB - Due to the wide range applications of high voltage insulators in power network systems, the reliable performance of insulators is challenged by different climate conditions including soluble and non-soluble contaminations. High voltage insulators installed near coastal areas are heavily contaminated with sea salt. In winter, due to the combined effect of sea salt and cold fog deposition, leakage current (LC) may flow on the insulators and surface degradation may take place, which may lead to surface flashover and consequently, to premature failure of power network systems. The leakage current waveform has a strong relationship with the contamination level, fog conditions and applied voltage. The investigation of LC before the flashover is essential to the reliability and secure operation of outdoor insulators. To determine the leakage current (LC) performance of high voltage silicone rubber insulators, laboratory investigation was carried out in an environmental chamber to understand this phenomenon and to simulate different behavior on the insulator surface. The performance of LC was investigated in laboratory during three different periods i.e. wetting period, drying period and dry band arcing period. Also for better understanding of insulator leakage current response an electrical model was used for computer based simulation using EMTP software. The relationship was analyzed on experimental and simulation work on the bases of magnitude and total harmonic distortion (THD).

KW - leakage current

KW - silicone rubber insulator

KW - contamination

KW - cold Fog

KW - EMTP

U2 - 10.1109/CATCON.2015.7449527

DO - 10.1109/CATCON.2015.7449527

M3 - Conference contribution

SN - 978-1-4673-7748-5

SP - 163

EP - 167

BT - 2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2015)

PB - Institute of Electrical and Electronics Engineers

T2 - 2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON)

Y2 - 10 December 2015 through 12 December 2015

ER -

Hussain MM, Farokhi S, McMeekin S, Farzaneh M. Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators. In 2015 2nd International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2015): Proceedings of a meeting held 10-12 December 2015, Bengaluru, India. Institute of Electrical and Electronics Engineers. 2015. p. 163-167 doi: 10.1109/CATCON.2015.7449527

Effect of Cold Fog on Leakage Current Characteristics of Polluted Insulators

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Keywords

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