Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance

Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the spe...
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Autor*in:	A. J. Amalanathan [verfasserIn] N. Harid [verfasserIn] H. Griffiths [verfasserIn] R. Sarathi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	adsorption ageing corona power apparatus power transformer insulation transformer oil

Übergeordnetes Werk:	In: IET Nanodielectrics - Wiley, 2019, 4(2021), 2, Seite 63-74
Übergeordnetes Werk:	volume:4 ; year:2021 ; number:2 ; pages:63-74

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1049/nde2.12010

Katalog-ID:	DOAJ020356382

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520			\|a Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the specific surface area and pore volume of bentonite compared to the bentonite sample before treatment, thus imparting an improved adsorption capability. Physico‐chemical diagnostic studies were carried out to characterise the activated bentonite. The insulation performance of the reclaimed natural ester and nano‐filled ester fluid samples was assessed by measuring the corona inception voltage and breakdown voltage of each fluid sample, apart form measuring the flow electrification current using the spinning disk method. The results revealed that the reclamation process improved the corona inception voltage, dissipation factor and the breakdown voltage of the base ester fluid sample due to attraction of carbon particles to activated bentonite, but no significant variation was observed with nanofluids due to the depletion of the electrical double layer. The flow electrification current of ester and ester nanofluids reduced after treatment with activated bentonite, may be attributed to the interaction between copper and bentonite that alters the double layer formation responsible for the separation of charges.
650		4	\|a adsorption
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650		4	\|a power transformer insulation
650		4	\|a transformer oil
653		0	\|a Materials of engineering and construction. Mechanics of materials
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spelling	10.1049/nde2.12010 doi (DE-627)DOAJ020356382 (DE-599)DOAJ06402a9f9ce5410689433226e3f77685 DE-627 ger DE-627 rakwb eng TA401-492 A. J. Amalanathan verfasserin aut Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the specific surface area and pore volume of bentonite compared to the bentonite sample before treatment, thus imparting an improved adsorption capability. Physico‐chemical diagnostic studies were carried out to characterise the activated bentonite. The insulation performance of the reclaimed natural ester and nano‐filled ester fluid samples was assessed by measuring the corona inception voltage and breakdown voltage of each fluid sample, apart form measuring the flow electrification current using the spinning disk method. The results revealed that the reclamation process improved the corona inception voltage, dissipation factor and the breakdown voltage of the base ester fluid sample due to attraction of carbon particles to activated bentonite, but no significant variation was observed with nanofluids due to the depletion of the electrical double layer. The flow electrification current of ester and ester nanofluids reduced after treatment with activated bentonite, may be attributed to the interaction between copper and bentonite that alters the double layer formation responsible for the separation of charges. adsorption ageing corona power apparatus power transformer insulation transformer oil Materials of engineering and construction. Mechanics of materials N. Harid verfasserin aut H. Griffiths verfasserin aut R. Sarathi verfasserin aut In IET Nanodielectrics Wiley, 2019 4(2021), 2, Seite 63-74 (DE-627)1023125439 (DE-600)2930451-9 25143255 nnns volume:4 year:2021 number:2 pages:63-74 https://doi.org/10.1049/nde2.12010 kostenfrei https://doaj.org/article/06402a9f9ce5410689433226e3f77685 kostenfrei https://doi.org/10.1049/nde2.12010 kostenfrei https://doaj.org/toc/2514-3255 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2021 2 63-74
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allfieldsGer	10.1049/nde2.12010 doi (DE-627)DOAJ020356382 (DE-599)DOAJ06402a9f9ce5410689433226e3f77685 DE-627 ger DE-627 rakwb eng TA401-492 A. J. Amalanathan verfasserin aut Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the specific surface area and pore volume of bentonite compared to the bentonite sample before treatment, thus imparting an improved adsorption capability. Physico‐chemical diagnostic studies were carried out to characterise the activated bentonite. The insulation performance of the reclaimed natural ester and nano‐filled ester fluid samples was assessed by measuring the corona inception voltage and breakdown voltage of each fluid sample, apart form measuring the flow electrification current using the spinning disk method. The results revealed that the reclamation process improved the corona inception voltage, dissipation factor and the breakdown voltage of the base ester fluid sample due to attraction of carbon particles to activated bentonite, but no significant variation was observed with nanofluids due to the depletion of the electrical double layer. The flow electrification current of ester and ester nanofluids reduced after treatment with activated bentonite, may be attributed to the interaction between copper and bentonite that alters the double layer formation responsible for the separation of charges. adsorption ageing corona power apparatus power transformer insulation transformer oil Materials of engineering and construction. Mechanics of materials N. Harid verfasserin aut H. Griffiths verfasserin aut R. Sarathi verfasserin aut In IET Nanodielectrics Wiley, 2019 4(2021), 2, Seite 63-74 (DE-627)1023125439 (DE-600)2930451-9 25143255 nnns volume:4 year:2021 number:2 pages:63-74 https://doi.org/10.1049/nde2.12010 kostenfrei https://doaj.org/article/06402a9f9ce5410689433226e3f77685 kostenfrei https://doi.org/10.1049/nde2.12010 kostenfrei https://doaj.org/toc/2514-3255 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2021 2 63-74
allfieldsSound	10.1049/nde2.12010 doi (DE-627)DOAJ020356382 (DE-599)DOAJ06402a9f9ce5410689433226e3f77685 DE-627 ger DE-627 rakwb eng TA401-492 A. J. Amalanathan verfasserin aut Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the specific surface area and pore volume of bentonite compared to the bentonite sample before treatment, thus imparting an improved adsorption capability. Physico‐chemical diagnostic studies were carried out to characterise the activated bentonite. The insulation performance of the reclaimed natural ester and nano‐filled ester fluid samples was assessed by measuring the corona inception voltage and breakdown voltage of each fluid sample, apart form measuring the flow electrification current using the spinning disk method. The results revealed that the reclamation process improved the corona inception voltage, dissipation factor and the breakdown voltage of the base ester fluid sample due to attraction of carbon particles to activated bentonite, but no significant variation was observed with nanofluids due to the depletion of the electrical double layer. The flow electrification current of ester and ester nanofluids reduced after treatment with activated bentonite, may be attributed to the interaction between copper and bentonite that alters the double layer formation responsible for the separation of charges. adsorption ageing corona power apparatus power transformer insulation transformer oil Materials of engineering and construction. Mechanics of materials N. Harid verfasserin aut H. Griffiths verfasserin aut R. Sarathi verfasserin aut In IET Nanodielectrics Wiley, 2019 4(2021), 2, Seite 63-74 (DE-627)1023125439 (DE-600)2930451-9 25143255 nnns volume:4 year:2021 number:2 pages:63-74 https://doi.org/10.1049/nde2.12010 kostenfrei https://doaj.org/article/06402a9f9ce5410689433226e3f77685 kostenfrei https://doi.org/10.1049/nde2.12010 kostenfrei https://doaj.org/toc/2514-3255 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2021 2 63-74
language	English
source	In IET Nanodielectrics 4(2021), 2, Seite 63-74 volume:4 year:2021 number:2 pages:63-74
sourceStr	In IET Nanodielectrics 4(2021), 2, Seite 63-74 volume:4 year:2021 number:2 pages:63-74
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topic_facet	adsorption ageing corona power apparatus power transformer insulation transformer oil Materials of engineering and construction. Mechanics of materials
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container_title	IET Nanodielectrics
authorswithroles_txt_mv	A. J. Amalanathan @@aut@@ N. Harid @@aut@@ H. Griffiths @@aut@@ R. Sarathi @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
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callnumber-first	T - Technology
author	A. J. Amalanathan
spellingShingle	A. J. Amalanathan misc TA401-492 misc adsorption misc ageing misc corona misc power apparatus misc power transformer insulation misc transformer oil misc Materials of engineering and construction. Mechanics of materials Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance
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topic_title	TA401-492 Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance adsorption ageing corona power apparatus power transformer insulation transformer oil
topic	misc TA401-492 misc adsorption misc ageing misc corona misc power apparatus misc power transformer insulation misc transformer oil misc Materials of engineering and construction. Mechanics of materials
topic_unstemmed	misc TA401-492 misc adsorption misc ageing misc corona misc power apparatus misc power transformer insulation misc transformer oil misc Materials of engineering and construction. Mechanics of materials
topic_browse	misc TA401-492 misc adsorption misc ageing misc corona misc power apparatus misc power transformer insulation misc transformer oil misc Materials of engineering and construction. Mechanics of materials
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title	Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance
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title_full	Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance
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author_browse	A. J. Amalanathan N. Harid H. Griffiths R. Sarathi
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title_sort	impact of adding activated bentonite to thermally aged ester‐based tio2 nanofluids on insulation performance
callnumber	TA401-492
title_auth	Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance
abstract	Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the specific surface area and pore volume of bentonite compared to the bentonite sample before treatment, thus imparting an improved adsorption capability. Physico‐chemical diagnostic studies were carried out to characterise the activated bentonite. The insulation performance of the reclaimed natural ester and nano‐filled ester fluid samples was assessed by measuring the corona inception voltage and breakdown voltage of each fluid sample, apart form measuring the flow electrification current using the spinning disk method. The results revealed that the reclamation process improved the corona inception voltage, dissipation factor and the breakdown voltage of the base ester fluid sample due to attraction of carbon particles to activated bentonite, but no significant variation was observed with nanofluids due to the depletion of the electrical double layer. The flow electrification current of ester and ester nanofluids reduced after treatment with activated bentonite, may be attributed to the interaction between copper and bentonite that alters the double layer formation responsible for the separation of charges.
abstractGer	Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the specific surface area and pore volume of bentonite compared to the bentonite sample before treatment, thus imparting an improved adsorption capability. Physico‐chemical diagnostic studies were carried out to characterise the activated bentonite. The insulation performance of the reclaimed natural ester and nano‐filled ester fluid samples was assessed by measuring the corona inception voltage and breakdown voltage of each fluid sample, apart form measuring the flow electrification current using the spinning disk method. The results revealed that the reclamation process improved the corona inception voltage, dissipation factor and the breakdown voltage of the base ester fluid sample due to attraction of carbon particles to activated bentonite, but no significant variation was observed with nanofluids due to the depletion of the electrical double layer. The flow electrification current of ester and ester nanofluids reduced after treatment with activated bentonite, may be attributed to the interaction between copper and bentonite that alters the double layer formation responsible for the separation of charges.
abstract_unstemmed	Abstract The authors report the key findings from an experimental study that explored the use of activated bentonite for the reclamation of thermally aged ester‐based transformer nanofluids to improve their insulation performance. Bentonite activated with acid treatment caused an increase in the specific surface area and pore volume of bentonite compared to the bentonite sample before treatment, thus imparting an improved adsorption capability. Physico‐chemical diagnostic studies were carried out to characterise the activated bentonite. The insulation performance of the reclaimed natural ester and nano‐filled ester fluid samples was assessed by measuring the corona inception voltage and breakdown voltage of each fluid sample, apart form measuring the flow electrification current using the spinning disk method. The results revealed that the reclamation process improved the corona inception voltage, dissipation factor and the breakdown voltage of the base ester fluid sample due to attraction of carbon particles to activated bentonite, but no significant variation was observed with nanofluids due to the depletion of the electrical double layer. The flow electrification current of ester and ester nanofluids reduced after treatment with activated bentonite, may be attributed to the interaction between copper and bentonite that alters the double layer formation responsible for the separation of charges.
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title_short	Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance
url	https://doi.org/10.1049/nde2.12010 https://doaj.org/article/06402a9f9ce5410689433226e3f77685 https://doaj.org/toc/2514-3255
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Impact of adding activated bentonite to thermally aged ester‐based TiO2 nanofluids on insulation performance

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