The Influence of Supply Voltage Amplitude Variation Law on AC Induction Motor Efficiency in Variable-Speed Drive |
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| Journal | Solid State Phenomena (Volume 164) |
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| Volume | Mechatronic Systems and Materials: Mechatronic Systems and Robotics |
| Edited by | Andrejus H. Marcinkevičius and Algirdas V.Valiulis |
| Pages | 1-4 |
| DOI | 10.4028/www.scientific.net/SSP.164.1 |
| Citation | V. Bleizgys et al., 2010, Solid State Phenomena, 164, 1 |
| Online since | June, 2010 |
| Authors | V. Bleizgys, A. Baskys |
| Keywords | Efficiency, Frequency Converter, Induction Motor, Supply Voltage, Variable Speed Drive, Variation Law |
| Abstract | This paper presents investigation results of the influence of the supply voltage amplitude variation law on the efficiency of AC induction motor in variable-speed drive based on the frequency converter. It is demonstrated that the commonly employed linear and square voltage amplitude variation laws do not provide the highest efficiency of the AC induction motor. The corrected AC voltage amplitude variation dependences for different motor load torque, at which high efficiency of the motor supplied by the frequency converter is maintained, are proposed and discussed. Reported experimental study was performed on a special test bench. |
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