The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

Cost Reduction Design in Single-phase Line-start Permanent Magnet Motor

단상 유도형 동기 전동기의 Cost 저감 설계

  • Published : 2008.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

This paper deals with the cost reduction design of a single-phase line-start permanent magnet(LSPM) motor. Due to high cost of the permanent magnet(PM), cost reduction can be effectively achieved by reducing PM volume. Therefore, motor characteristics according to the PM volume are calculated by using d-q axis equivalent circuit analysis, and the characteristic map is made. In the characteristic map, maximum torque and efficiency are shown according to motor parameters such as back electromotive force(back emf) and inductances; back emf represents the PM volume. Minimum back emf and inductances satisfying output performance are determined in the characteristic map. Then, motor geometry based on the prototype motor is optimized to get the determined parameters using response surface methodology(RSM) and finite element method(FEM). Through the presented cost reduction design, total PM volume is reduced to 32% of prototype model.

Keywords

References

  1. Timothy J. E. Miller, "Single-phase permanent-magnet motor analysis", IEEE Trans. On Indus. Appl., vol. IA-21, No.4, May/June 1985
  2. H. Nam, K. H. Ha, J. P. Hong, and G. H. Kang, "A study on iron loss analysis method considering the harmonics of the flux density waveform using iron loss curves tested on Epstein samples," IEEE Trans. Magn., vol. 39, pp. 1472 -1475, May 2003 https://doi.org/10.1109/TMAG.2003.810198
  3. Shigeo Morimoto, Yoji Takeda, "Machine parameters and performance of interior permanent magnet synchronous motors with different permanent magnet volume," Electrical Engineering in Japan, vol. 131, No.4, 2000
  4. G. H. Kang, J. Hur, H. Nam, J. P. Hong, and G. T. Kim, "Analysis of irreversible magnet demagnetization in line-start motors based on the finite-element method," IEEE Trans. vol. 39, NO.3, pp. 1488-1491, May 2003
  5. G. H. Kang, J. Hur, H. Nam and J. P. Hong, "Analysis and Design Methodology for Single-Phase Line-start Permanent Magnet Motor Considering Parameters Variation on d-q Axis Vector Diagram ," Industry Applications Conference, 2003
  6. Popescu, M., Miller, T.J.E, McGilp, M.I., Kalluf, F.J.H., da Silva, C.A., Dokonal, L, "Effect of winding harmonics on the asynchronous torque of a single-phase line-start permanent-magnet motor," IEEE Trans. On Energy covers, vol. 20. No.1, March 2005
  7. Mircea Poposcu, Senior Member, IEEE, T. J. E. Miller, Fellow, IEEE, "Asynchronous Performance Analysis of a Single-Phase Capacitor-Start, Capacitor-Run Permanent Magnet Motor", IEEE Trans. On Energy covers,vol. 20, NO.1, March 2005