Understanding the Lightning Impulse Breakdown Strength of Carbon Quantum Dots-Modified Silica Nanofluids
J. Environ. Nanotechnol., Volume 11, No 1 (2022) pp. 13-18
Abstract
The study provides an understanding of lightning impulse characteristics of the mineral oil used in transformers and other high voltage applications. The withstanding capabilities of the mineral oil were studied under different experimental conditions such as electrode gap distance, electrode type, type of nano-filler and concentration of fillers. Experiments were conducted for electrode gaps of 5 mm and 10 mm. Different electrode configurations such as needle-sphere and needle-plane electrodes were used. Nanofillers such as SiO2 and Carbon Quantum Dots-treated SiO2 nanoparticles were used in various concentrations of 0.01 % wt., 0.05 % wt. and 0.1 % wt. of mineral oil. Comparisons were made for positive and negative polarities of lightning impulse test voltages. Experimental results were shown to understand the influence of nanoparticles to deliver better results in impulse-withstanding capabilities of commercially used mineral oil with improved performance in lightning impulse-withstanding strength.
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Reference
Cavallini, F., Negri, Karthik, The effect of magnetite graphene oxide and silicone oxide nanoparticles on dielectric withstand characteristics of mineral oil, IEEE Trans. Dielectr. Electr. Insul., 22(5), 2592-2600 (2015).
https://doi.org/10.1109/TDEI.2015.005016
Dao, V.D., Kim, P., Baek, S., Facile synthesis of carbon dot-Au nanoraspberries and their application as high-performance counter electrodes in quantum dot-sensitized solar cells, Carbon, 96, 139-144 (2016).
https://doi.org/10.1016/j.carbon.2015.09.023
Guo, S., Ishimatsu, R., Nakano, K., Applications of Carbon Quantum Dots in Electrogenerated Chemiluminescence Sensors, J. Flow Injection Anal., 32(2), 75-80 (2015).
Jin, H., Morshuis, P.H.F., Rodrigo Mor, A., Smit, J.J., Andritsch, T., Partial Discharge Behavior of Mineral Oil based Nanofluids, IEEE Trans. Dielectr. Electr. Insul., 22(5), 2747-2753 (2015).
https://doi.org/10.1109/TDEI.2015.005145
Jin, H., Morshuis, P.H.F., Smit, J.J., Andritsch, T., The effect of surface treatment of silica nanoparticles on the breakdown strength of mineral oil, Proc. IEEE International Conference on Dielectric Liquids, 1-4 (2014).
Kasi Viswanathan, P., Chandrasekar, S., Influence of CQD Modified Silica Nanofillers on PD Characteristics of Transformer Oil, International Conference on Condition Assessment Techniques in Electrical Systems (CATCON 2019), Indian Institute of Technology Madras, ©2019 IEEE, November (2019)
Kasi Viswanathan, P., Chandrasekar, S., Uthirakumar, P., Montanari, G.C., Investigations on Novel Carbon Quantum Dots Covered Nanofluid Insulation for Medium Voltage Applications, Springer (SCI), J. . Electr. Eng. & Technol., 15(1), 269–278 (2020).
https://doi.org/10.1007/s42835-019-00316-5
Kuffel, E., Zaengl, W.S., High Voltage Engineering: Fundamentals, Pergamon Press, Oxford, New York (1984).
Lv, Y. Z., Zhou, Y., Li, C. R., Wang Q., Qi, B., Recent progress in nanofluids based on transformer oil: preparation and electrical insulation properties, IEEE Electr. Insul. Mag., 30(5), 23-32 (2014).
https://doi.org/10.1109/MEI.2014.6882597
Ma, Y., Liu, Y.m Zhou, X., Preparation and characterisation of multifunctional magnetic-fluorescent Fe3O4/carbon dots/silica composites, IET Micro & Nano Lett., 8(6), 302-304 (2013).
https://doi.org/10.1021/la9024553
Nagendran, S., Chandrasekar, S., Investigations on partial discharge, dielectric and thermal characteristics of nano SiO2 modified sunflower oil for power transformer applications, J. Electr. Eng. Technol., 13(3), 1337-1345 (2018).
https://doi.org/10.5370/JEET.2018.13.3.1337
Ramu, T.S., Keshavan, B.K., Balasubramanya Murthi, K. N., Application of a Class of Nano fluids to improve the Loadability of Power Transformers, Proc. IEEE 10th International Conference on the Properties and Applications of Dielectric Materials, Bangalore, India, 24-28 (2012).
Thien, Y. V., Azis, N., Jasni, J., Kadir, M. Z. A. A., Yunus, R., Ishak, M. T., Evaluation on the Lightning Breakdown Voltages of Palm Oil and Coconut oil under Non-uniform Field at Small Gap Distances, J. Electr. Eng. & Technol., 11(1), 184-191 (2016).
https://doi.org/10.5370/JEET.2016.11.1.184
Thien, Y.V., Azis, N., Jasni, J., Ab Kadir, M. Z. A., Yunus, R., Ishak, M.T., The effect of polarity on the lightning breakdown voltages of palm oil and coconut oil under a non-uniform field for transformers application, Ind. Crops Prod., 89, 250-256(2006).
https://doi.org/10.1016/j.indcrop.2016.04.061
Ushakov, V. Y., Klimkin, V. F. Korobeynikov, S. M., Impulse Breakdown of Liquids, Springer, India (2007).
https://doi.org/10.1007/978-3-540-72760-6
Uthirakumara, P., Devendiran, M., Yuna, J., Role of carbon quantum dots and film thickness on enhanced UV shieldingcapability of flexible polymer film containing carbon quantum dots/Ndoped ZnO nanoparticles, Opt. Mater., 84, 771-777 (2018).
