Determining the color index of transformer insulating oil using UV-Vis spectroscopy
Bandwidth; Color; Insulating oil; Materials testing; Power transformers; Ultraviolet visible spectroscopy; Absorbances; American society for testing and materials; Color index; Measuring tools; Optical absorbance; Spectral response; Transformer oil samples; UV-vis spectroscopy; Oil filled transforme...
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Institute of Electrical and Electronics Engineers Inc.
2023
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my.uniten.dspace-231882023-05-29T14:38:17Z Determining the color index of transformer insulating oil using UV-Vis spectroscopy Sing L.Y. Ker P.J. Jamaludin M.Z. Ismail A. Abdullah F. Mun L.H. Shukri C.N.S.M. 57189236859 37461740800 57216839721 36023817800 56613644500 6507460925 57194945401 Bandwidth; Color; Insulating oil; Materials testing; Power transformers; Ultraviolet visible spectroscopy; Absorbances; American society for testing and materials; Color index; Measuring tools; Optical absorbance; Spectral response; Transformer oil samples; UV-vis spectroscopy; Oil filled transformers The changes in color of the transformer oil have been used as measuring tools in determining the condition, performance and health of the transformer. Currently, the determination of color index is done by using a color comparator based on American Society for Testing and Materials (ASTM) D 1500 standard. This technique requires the tester or observer to compare the samples with two ASTM color references. Color is subjective and each individual could report a different color index. It could cause an error of 0.5 color index since the index difference between two consecutive ASTM color references is 0.5. Therefore, this work proposes the determination of color index of insulating oil using ultraviolet to visible (UV-Vis) Spectroscopy to eliminate any human handling error and improve the accuracy of the color index readings. Absorbance spectral responses of oils with different color index were used to correlate the color index with the absorbance spectral response of oil. Results show that the bandwidth of the absorbance spectral response is proportional to the color index of the oil. Modeled equation was developed to relate the bandwidth and color index of the oil. The equation was tested and verified by measuring the optical absorbance of another batch of transformer oil samples and inputting the bandwidths to obtain the color indices. � 2016 IEEE. Final 2023-05-29T06:38:17Z 2023-05-29T06:38:17Z 2017 Conference Paper 10.1109/PECON.2016.7951565 2-s2.0-85024362355 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85024362355&doi=10.1109%2fPECON.2016.7951565&partnerID=40&md5=8b9224bff38ee9c858ef381c0910b46a https://irepository.uniten.edu.my/handle/123456789/23188 7951565 234 238 Institute of Electrical and Electronics Engineers Inc. Scopus |
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| description |
Bandwidth; Color; Insulating oil; Materials testing; Power transformers; Ultraviolet visible spectroscopy; Absorbances; American society for testing and materials; Color index; Measuring tools; Optical absorbance; Spectral response; Transformer oil samples; UV-vis spectroscopy; Oil filled transformers |
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57189236859 |
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57189236859 Sing L.Y. Ker P.J. Jamaludin M.Z. Ismail A. Abdullah F. Mun L.H. Shukri C.N.S.M. |
| format |
Conference Paper |
| author |
Sing L.Y. Ker P.J. Jamaludin M.Z. Ismail A. Abdullah F. Mun L.H. Shukri C.N.S.M. |
| spellingShingle |
Sing L.Y. Ker P.J. Jamaludin M.Z. Ismail A. Abdullah F. Mun L.H. Shukri C.N.S.M. Determining the color index of transformer insulating oil using UV-Vis spectroscopy |
| author_sort |
Sing L.Y. |
| title |
Determining the color index of transformer insulating oil using UV-Vis spectroscopy |
| title_short |
Determining the color index of transformer insulating oil using UV-Vis spectroscopy |
| title_full |
Determining the color index of transformer insulating oil using UV-Vis spectroscopy |
| title_fullStr |
Determining the color index of transformer insulating oil using UV-Vis spectroscopy |
| title_full_unstemmed |
Determining the color index of transformer insulating oil using UV-Vis spectroscopy |
| title_sort |
determining the color index of transformer insulating oil using uv-vis spectroscopy |
| publisher |
Institute of Electrical and Electronics Engineers Inc. |
| publishDate |
2023 |
| _version_ |
1806424322708865024 |
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13.214268 |