Abstract
In the last decades, it has been shown that the properties of the enamel used in
the induction motor were improved by adding the nano fillers to it. The performance of the
motor was also improved by using the enamel filled with the nano fillers. In this paper, the
performance of the single phase induction motor coated with Al 2O3 nano filler mixed
enamel was analyzed by conducting many tests such as open circuit test, short circuit test,
load test and thermal withstanding test on it and the results were compared with that of the
normal single phase induction motor. The test results show that there was a tremendous
improvement in the performance of the single phase induction motor coated with Al2O3
nano filler mixed enamel when compared to that of the normal single phase induction
motor. The efficiency of the induction motor was increased to a maximum 6 % by adding
nano filler of Al2 O3 to the enamel used as the coating for the windings in the single phase
induction motor. The addition of nano fillers to the enamel has increased the temperature
withstanding capacity of the induction motor. Hence the life time of the motor will be
increased.
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