Characterization of Electrical and Thermal Properties of Enamel Filled with Carbon Nanotubes

In this recent decades, there was a significant growth in the applications of nano technology in the field of electrical and electronics engineering. In this research paper, the estimation of the different types of losses on a normal and nano coated three phase induction motor was done and hence the results were compared with each other. From these researches, it found that the mechanical losses were reduced by 33.33% in the motor after nano coating whereas stator iron losses were reduced by 13.8%. Stator losses were reduced up to 16.7% by coating the windings of the motor with the enamel filled with nano fillers of SiO2 and Al2O3 whereas rotor copper losses were high in the nano coated motor. The output mechanical power developed by the normal motor was increased by 39% with the application of the nano fillers to the enamel used for the coatings of the windings of the motor whereas the gross rotor torque was improved by 42%. The power factor of the motor was also improved by nano coating by 15.5%.

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Estimation of Losses on 3Φ Nano Coated Induction Motor

Selvaraj¹,

Vijayraj

Kumar

et al. 2014

AMM

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Experimental Investigation on Electrical and Mechanical Characteristics of PVC Cable Insulation with Silica Nano Filler

Selvaraj¹,

Vijayaraj

Satheeshwaran

et al. 2015

AMM

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Cables are an integral part of the power transmission and distribution network. As the voltage level increases, amount of insulation used in the cable increases. Therefore a need arises for a material with better insulation characteristics to be used in cables. The dielectric strength of cable insulation depends on many factors such as the existence of filler material in the insulation. In this work, laboratory studies on a new filler material for cable insulation have been conducted. The influence of Silicon dioxide (SiO2) filler on the dielectric and mechanical properties of polyvinyl chloride (PVC) cable were analyzed. Comparison is made between the result of measurement and the actual value of the pure specimen. From the results, it is shown that the filler material has improved the dielectric and mechanical properties of the cable insulation.

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Analysis of Efficiency, Thermal Withstanding Capacity and Electromagnetic Interference of Three Phase Squirrel Cage Induction Motor Coated with SiO2 & TiO2 NanoComposite Filled Enamel

Selvaraj¹,

Sugumaran²,

GuruPrakash³

2012

IJSEA

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-Three phase induction motors consume 60% of industrial electricity. Just 1% increase in efficiency of all the motors in India will save 500 MW powers which needs the initial generation cost of 2000 crores. Actions were taken to use the enamel filled with SiO2 and TiO2 nanocomposite as the coating for the induction motor to improve its efficiency. The efficiency of the induction motor was increased by 5% by adding nanocomposites of SiO2 and TiO2 (1:3) to the enamel used as the coating for the windings of the three phase squirrel cage induction motor. Heat run test was performed on electrical machines to determine the total loss of energy dissipated as heat. The addition of nanocomposites to the enamel has increased the temperature withstanding capacity of the induction motor. The values of electromagnetic inference produced by normal induction motor and nano coated induction motor was also measured and analyzed. There was a reduction of 15 to 60% in the values of the electromagnetic interference produced by the normal induction motor when compared to that of nanocomposite filled enamel coated induction motor at various distances. This method can be used as one of the method to reduce the electromagnetic interference by the induction motors.

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Characterization of Electrical and Thermal Properties of Enamel Filled with Carbon Nanotubes

Cited by 13 publications

References 3 publications

Estimation of Losses on 3Φ Nano Coated Induction Motor

Estimation of Losses on 3Φ Nano Coated Induction Motor

Experimental Investigation on Electrical and Mechanical Characteristics of PVC Cable Insulation with Silica Nano Filler

Analysis of Efficiency, Thermal Withstanding Capacity and Electromagnetic Interference of Three Phase Squirrel Cage Induction Motor Coated with SiO2 & TiO2 NanoComposite Filled Enamel

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