| Issue |
E3S Web of Conf.
Volume 479, 2024
International Seminar of Science and Applied Technology: Natural Resources Management for Environmental Sustainability (ISSAT 2023)
|
|
|---|---|---|
| Article Number | 01005 | |
| Number of page(s) | 9 | |
| Section | Energy Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202447901005 | |
| Published online | 18 January 2024 | |
Effect of voltage supply unbalance on temperature distribution of three-phase induction motor
1 Department of Energy Conversion Engineering, Politeknik Negeri Bandung, Bandung, Indonesia
2 Department of Mechanical Engineering, Politeknik Negeri Bandung, Bandung, Indonesia
* Corresponding author: wiwit.kastawan@polban.ac.id
Three-phase induction motor is the most popular kind of electric motor used in industrial applications. To operate in ideal condition, a three-phase induction motor should work on balance three-phase voltage supply. Unfortunately, it is often found that a three-phase induction motor operates under unbalance three-phase voltage supply. A three-phase induction motor operate under unbalance three-phase voltage supply shows different performances to that operate under balance three-phase voltage supply. In this paper, effect of three-phase voltage supply unbalance on temperature distribution of a three-phase induction motor is analysed. Three different laboratory experiment have been set-up. The first one is a three-phase induction motor connected to balance three-phase voltage supply. The second one is a three-phase induction motor connected to magnitude unbalance of three-phase voltage supply. The magnitude unbalance is set at 3%, 4% and 5%. The last one is a three-phase induction motor connected to magnitude and phase unbalances of three-phase voltage supply. Considering high temperature that may occurs, experiment under magnitude and phase unbalances is run only for 3% and 2° of magnitude and phase unbalances respectively. For each experiment set-up, the motor load is varied at 0%, 50% and 70% of its nominal load. Experiment data show that the higher the unbalance level, the higher temperature of three-phase induction motor. The temperature at motor bearing is higher than temperature at motor body. Most non-ideal condition is when the motor supplied by three-phase voltage source with magnitude and phase unbalances.
© The Authors, published by EDP Sciences, 2024
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