Moisture-Dependent Thermal Modelling of Power Transformer
Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by co...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Cui, Yi [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: IEEE transactions on power delivery - New York, NY : IEEE, 1986, 31(2016), 5, Seite 2140-2150 |
|---|---|
| Übergeordnetes Werk: |
volume:31 ; year:2016 ; number:5 ; pages:2140-2150 |
| Links: |
|---|
| DOI / URN: |
10.1109/TPWRD.2016.2569123 |
|---|
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OLC1985629895 |
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| 520 | |a Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. | ||
| 650 | 4 | |a Moisture | |
| 650 | 4 | |a Temperature measurement | |
| 650 | 4 | |a Thermal resistance | |
| 650 | 4 | |a Windings | |
| 650 | 4 | |a transformer | |
| 650 | 4 | |a top-oil temperature | |
| 650 | 4 | |a Power transformer insulation | |
| 650 | 4 | |a Oil insulation | |
| 650 | 4 | |a Hot-spot temperature | |
| 700 | 1 | |a Ma, Hui |4 oth | |
| 700 | 1 | |a Saha, Tapan |4 oth | |
| 700 | 1 | |a Ekanayake, Chandima |4 oth | |
| 700 | 1 | |a Martin, Daniel |4 oth | |
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10.1109/TPWRD.2016.2569123 doi PQ20161201 (DE-627)OLC1985629895 (DE-599)GBVOLC1985629895 (PRQ)c1610-5573081bc0e0a022cae639d980a57cb5eb5798555c064600769ea349dedc60fe0 (KEY)0163644820160000031000502140moisturedependentthermalmodellingofpowertransforme DE-627 ger DE-627 rakwb eng 620 DNB Cui, Yi verfasserin aut Moisture-Dependent Thermal Modelling of Power Transformer 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. Moisture Temperature measurement Thermal resistance Windings transformer top-oil temperature Power transformer insulation Oil insulation Hot-spot temperature Ma, Hui oth Saha, Tapan oth Ekanayake, Chandima oth Martin, Daniel oth Enthalten in IEEE transactions on power delivery New York, NY : IEEE, 1986 31(2016), 5, Seite 2140-2150 (DE-627)129382914 (DE-600)165807-4 (DE-576)014769328 0885-8977 nnns volume:31 year:2016 number:5 pages:2140-2150 http://dx.doi.org/10.1109/TPWRD.2016.2569123 Volltext http://ieeexplore.ieee.org/document/7470291 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_2061 AR 31 2016 5 2140-2150 |
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10.1109/TPWRD.2016.2569123 doi PQ20161201 (DE-627)OLC1985629895 (DE-599)GBVOLC1985629895 (PRQ)c1610-5573081bc0e0a022cae639d980a57cb5eb5798555c064600769ea349dedc60fe0 (KEY)0163644820160000031000502140moisturedependentthermalmodellingofpowertransforme DE-627 ger DE-627 rakwb eng 620 DNB Cui, Yi verfasserin aut Moisture-Dependent Thermal Modelling of Power Transformer 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. Moisture Temperature measurement Thermal resistance Windings transformer top-oil temperature Power transformer insulation Oil insulation Hot-spot temperature Ma, Hui oth Saha, Tapan oth Ekanayake, Chandima oth Martin, Daniel oth Enthalten in IEEE transactions on power delivery New York, NY : IEEE, 1986 31(2016), 5, Seite 2140-2150 (DE-627)129382914 (DE-600)165807-4 (DE-576)014769328 0885-8977 nnns volume:31 year:2016 number:5 pages:2140-2150 http://dx.doi.org/10.1109/TPWRD.2016.2569123 Volltext http://ieeexplore.ieee.org/document/7470291 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_2061 AR 31 2016 5 2140-2150 |
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10.1109/TPWRD.2016.2569123 doi PQ20161201 (DE-627)OLC1985629895 (DE-599)GBVOLC1985629895 (PRQ)c1610-5573081bc0e0a022cae639d980a57cb5eb5798555c064600769ea349dedc60fe0 (KEY)0163644820160000031000502140moisturedependentthermalmodellingofpowertransforme DE-627 ger DE-627 rakwb eng 620 DNB Cui, Yi verfasserin aut Moisture-Dependent Thermal Modelling of Power Transformer 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. Moisture Temperature measurement Thermal resistance Windings transformer top-oil temperature Power transformer insulation Oil insulation Hot-spot temperature Ma, Hui oth Saha, Tapan oth Ekanayake, Chandima oth Martin, Daniel oth Enthalten in IEEE transactions on power delivery New York, NY : IEEE, 1986 31(2016), 5, Seite 2140-2150 (DE-627)129382914 (DE-600)165807-4 (DE-576)014769328 0885-8977 nnns volume:31 year:2016 number:5 pages:2140-2150 http://dx.doi.org/10.1109/TPWRD.2016.2569123 Volltext http://ieeexplore.ieee.org/document/7470291 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_2061 AR 31 2016 5 2140-2150 |
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10.1109/TPWRD.2016.2569123 doi PQ20161201 (DE-627)OLC1985629895 (DE-599)GBVOLC1985629895 (PRQ)c1610-5573081bc0e0a022cae639d980a57cb5eb5798555c064600769ea349dedc60fe0 (KEY)0163644820160000031000502140moisturedependentthermalmodellingofpowertransforme DE-627 ger DE-627 rakwb eng 620 DNB Cui, Yi verfasserin aut Moisture-Dependent Thermal Modelling of Power Transformer 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. Moisture Temperature measurement Thermal resistance Windings transformer top-oil temperature Power transformer insulation Oil insulation Hot-spot temperature Ma, Hui oth Saha, Tapan oth Ekanayake, Chandima oth Martin, Daniel oth Enthalten in IEEE transactions on power delivery New York, NY : IEEE, 1986 31(2016), 5, Seite 2140-2150 (DE-627)129382914 (DE-600)165807-4 (DE-576)014769328 0885-8977 nnns volume:31 year:2016 number:5 pages:2140-2150 http://dx.doi.org/10.1109/TPWRD.2016.2569123 Volltext http://ieeexplore.ieee.org/document/7470291 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_2061 AR 31 2016 5 2140-2150 |
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10.1109/TPWRD.2016.2569123 doi PQ20161201 (DE-627)OLC1985629895 (DE-599)GBVOLC1985629895 (PRQ)c1610-5573081bc0e0a022cae639d980a57cb5eb5798555c064600769ea349dedc60fe0 (KEY)0163644820160000031000502140moisturedependentthermalmodellingofpowertransforme DE-627 ger DE-627 rakwb eng 620 DNB Cui, Yi verfasserin aut Moisture-Dependent Thermal Modelling of Power Transformer 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. Moisture Temperature measurement Thermal resistance Windings transformer top-oil temperature Power transformer insulation Oil insulation Hot-spot temperature Ma, Hui oth Saha, Tapan oth Ekanayake, Chandima oth Martin, Daniel oth Enthalten in IEEE transactions on power delivery New York, NY : IEEE, 1986 31(2016), 5, Seite 2140-2150 (DE-627)129382914 (DE-600)165807-4 (DE-576)014769328 0885-8977 nnns volume:31 year:2016 number:5 pages:2140-2150 http://dx.doi.org/10.1109/TPWRD.2016.2569123 Volltext http://ieeexplore.ieee.org/document/7470291 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_2061 AR 31 2016 5 2140-2150 |
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Cui, Yi |
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Cui, Yi |
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10.1109/TPWRD.2016.2569123 |
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moisture-dependent thermal modelling of power transformer |
| title_auth |
Moisture-Dependent Thermal Modelling of Power Transformer |
| abstract |
Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. |
| abstractGer |
Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. |
| abstract_unstemmed |
Hot-spot temperature (HST) is recognized as one of the key factors affecting the life expectancy of a transformer. In this study, a moisture-dependent thermal model (MDTM) for estimating the transformer hot-spot temperature is proposed. In this model, nonlinear thermal resistance is formulated by considering oil and cellulose (paper and pressboard) of the transformer. Especially, the effect of moisture concentration and temperature on the thermal resistance of cellulose is taken into account. The proposed MDTM is verified by using historical data, including moisture-in-oil measurements, temperature measurements, and loading profiles, which were collected from two in-service power transformers, that is, a vegetable oil-filled transformer and a mineral oil-filled transformer. Comparisons between the proposed MDTM and a number of existing thermal models were performed on the basis of adequacy and accuracy metrics. |
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5 |
| title_short |
Moisture-Dependent Thermal Modelling of Power Transformer |
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http://dx.doi.org/10.1109/TPWRD.2016.2569123 http://ieeexplore.ieee.org/document/7470291 |
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Ma, Hui Saha, Tapan Ekanayake, Chandima Martin, Daniel |
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10.1109/TPWRD.2016.2569123 |
| up_date |
2024-07-04T03:16:13.464Z |
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