EFFECT OF NANO-SiO2 PARTICLES ON PARTIAL DISCHARGE SIGNAL CHARACTERISTICS OF FR3 TRANSFORMER OIL
DOI:
https://doi.org/10.24297/jac.v13i0.5687Keywords:
Transformer, insulation, nanofluid, FR3 oil, partial dischargeAbstract
Liquid insulation for high voltage transformer applications based on natural esters derived from abundantly available vegetable oils are becoming popular in recent times. Since these natural ester based oils have environmental advantages and superior thermal performance, electrical utilities are slowly replacing the conventional mineral oils with natural ester based vegetable oils. FR3 oil, which is a soya based natural ester oil with superior dielectric and thermal characteristics, is becoming popular as an alternate insulating medium for high voltage transformers. With recent developments in nanotechnology field, it is possible to enhance the dielectric performance characteristics of natural ester based oils, which is a major constraint for high voltage transformer applications. However few research reports are only available in the area of nanofluids based on natural esters for high voltage insulation applications. In depth analysis and collection of large data base of insulation performance of natural ester based vegetable oils is important to improve the confidence level over nano-fluids based on natural esters. Considering these facts, in the present work, partial discharge characteristics of  nano-SiO2 modified FR3 oil at different electrode configurations are investigated at different %wt filler concentrations. Important parameters such as partial discharge inception voltage, stable PD formation voltage, partial discharge amplitude at different voltage magnitude and PD signal frequency characteristics are evaluated. From the results, it is observed that the partial discharge performance of FR3 oil is significantly improved with the addition of nano-SiO2 filler. Since in recent times FR3 oil is commercially used in many transformers, these results will be useful for enhancing the dielectric strength of high voltage transformers.Downloads
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References
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2. Martin, N. Lelekakis, W.Guo, and Y.Odarenko, “Further Studies of a Vegetable-Oil-Filled Power Transformerâ€, IEEE Electr. Insul. Mag., vol.27, no.5, pp. 6-13, 2011.
3. Banumathi, S. and Chandrasekar, S, 2015. Aging effect on Partial Discharge Characteristics of Olive oil as an Alternative Liquid Insulating Medium. Research Journal of Applied Sciences, Engineering and Technology, vol. 9, no. 9, 745-754.
4. G.Ramakrishna Prabu and S.Chandrasekar, "Classification of Single PD Sources of HV Transformer Insulation Faults using PRPD Pattern Features and ANN Approach", Asian Journal of Research in Social Sciences and Humanities, Vol. 6, No. 8, pp. 1935-1952, August 2016
5. Banumathi, S. and Chandrasekar, S. 2013. Analysis of Partial Discharge Characteristics of Olive and Castor Oil as Dielectric Medium for HV Applications. International Review of Electrical Engineering (I.R.E.E.), vol. 8, no.6, 1882-1889.
6. Banumathi, S. and Chandrasekar, "Analysis Of Breakdown Strength And Physical Characteristics Of Vegetable Oils For High Voltage Insulation Applications", Journal of Advances in Chemistry, Vol. 12, No. 16, November 2016, pp. 4902-4912.
7. S.Senthilkumar, B.Karthik and S.Chandrasekar, "Investigations on PD Characteristics of Thermal aged Palm and Corn Oil for Power Transformer Insulation Applications", Journal of Electrical Engineering and Technology, Vol.9, No.5 pp. 1660-1669,Sep 2014.
8. Huifei Jin,Thomas Andritsch, Ioannis A. Tsekmes, Roman Kochetov, Peter H.F. Morshuis, Johan J. Smit, "Properties of Mineral Oil based Silica Nanofluids", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 21, No. 3, pp.1100-1108, 2014.
9. R. Sankarganesh, R. Shivakumar and S. Chandrasekar, "Analysis of Partial Discharge Signal Characteristics of Nano-Mineral Oil for Transformer Condition Monitoring Applications", Asian Journal of Research in Social Sciences and Humanities, Vol. 6, No. 7, pp. 341-357, July 2016.
10. Jian Li, Zhaotao Zhang,Ping Zou and Stanislaw Grzybowski, "Preparation of a Vegetable Oil-Based Nanofluid and Investigation of Its Breakdown and Dielectric Properties", IEEE Electrical Insulation Magazine, Vol. 28, No. 5, pp.43-50, 2012.
11. Dong, M, L. P. Shen, H. Wang, H. B. Wang, and J.Miao , "Investigation on the Electrical Conductivity of Transformer Oil-Based AlN Nanofluid", Journal of Nanomaterials, Hindawi Publishing Corporation ,Volume 2013, Article ID 842963, pp.1-7, 2013.
12. Ramu,T.S., B.K.Keshavan, K.N.Balasubramanya Murthi, "Application of a Class of Nano fluids to improve the Loadability of Power Transformers", IEEE 10th International Conference on the Properties and Applications of Dielectric Materials, July 24-28,2012, Bangalore, India, 2012.
13. Rongsheng Liu, Leif A.A. Pettersson, Tommaso Auletta, Olof Hjortstam ,2011, "Fundamental Research on the Application of Nano Dielectrics to Transformers", IEEE International Conference, pp.423-427.
14. Y. Du, Y. Lv, C. Li, M. Chen, J. Zhou, “Effect of electron shallow trap on breakdown performance of transformer oil-based nano fluidsâ€, J. Appl. Phys., Vol.110, pp. 104104-104104-4, 2011.
15. Anandhan Elansezhiyan, S. Chandrasekar," Investigations on Dielectric Properties of Nano SiO2-Mineral Oil for Transformer Insulation Applications", Asian Journal of Research in Social Sciences and Humanities, Vol. 6, No. 10, October 2016, pp. 1783-1795.
16. Anandhan Elansezhiyan, S. Chandrasekar," Understanding The Lightning Discharge Withstand And Breakdown Characteristics Of Nano SiO2 Modified Mineral Oil For Transformer Applications", Journal of Advances in Chemistry, Vol. 12, No. 19, November 2016, pp. 5200-5208.
17. R. Liu, L. A. A. Pettersson, T. Auletta and O. Hjortstam, “Fundamental research on the application of nano dielectrics to transformerâ€,IEEE conf. Electr. Insul. Dielectric. Phenomena, pp.423-427,2011.
18. D. Prasad, S. Chandrasekar ," Investigations on Dielectric Performance Characteristics of Natural Ester based Nano-Fluids for Power Transformer Applications", Asian Journal of Research in Social Sciences and Humanities, Vol. 6, No. 11, November 2016, pp. 1146-1157.
19. D.Imamovic, K.X.Lai, N.A.Muhamad, B.T.Phung and T.R.Blackburn, “Partial Discharge and Dissolved Gas Analysis in Bio-Degradable Transformer Oilâ€, in Proc. of Cigre 16, pp.1-7, Brugge, 2007.
20. M.Pompili, C.Mazzetti and R.Bartnikas, “Partial Discharge Pulse Sequence Patterns and Cavity Development Times in Transformer Oils under ac Conditionsâ€, IEEE Trans. Dielectr. Electr. Insul., vol. 12, no. 2, pp. 395-403, 2005.
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Published
2017-02-07
How to Cite
Prasad, D., & Chandrasekar, S. (2017). EFFECT OF NANO-SiO2 PARTICLES ON PARTIAL DISCHARGE SIGNAL CHARACTERISTICS OF FR3 TRANSFORMER OIL. JOURNAL OF ADVANCES IN CHEMISTRY, 13(5), 6208–6217. https://doi.org/10.24297/jac.v13i0.5687
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