Design and optimization of a large-scale permanent magnet synchronous generator

Document Type : Article

Authors

1 Department of Electrical Engineering, Aerospace Research Institute (ARI) of Ministry of Science, Research and Technology,Tehran, Iran

2 Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran

Abstract

Direct drive permanent magnet synchronous generators have numerous advantages such as improved reliability, low maintenance, long life, and developed performance characteristics. Focus of this paper is on the development of a step-by-step method for the design of a permanent magnet synchronous generator. Then the winding function method is used to model the generator and to analytically calculate its output characteristics. The analytical results of the designed generator are evaluated with the finite element analysis (FEA) results and it is demonstrated that the achieved results from both methods are well matched with the experimental measurements of the Northern Power direct-drive generator. The sensitivity analysis and the optimization based on the genetic algorithm are used to achieve an optimum generator. The optimization goal is obtaining higher efficiency and power factor with lower required permanent magnet (PM) volume and voltage regulation for the optimum machine compared to the initial design. In addition, the calculation of the voltage total harmonic distortion (THD) is presented and the optimum skew angle for the optimum generator is computed to reduce the voltage THD.

Keywords

References

References:
1. Mueller, M. and Polinder, H., Electrical Drives for Direct Drive Renewable Energy Systems, Woodhead Publishing (2013).
2. Tapia, J.A., Pyrhonen, J., Puranen, J., et al. "Optimal design of large permanent magnet synchronous generators", IEEE Trans.Magn., 49(1), pp. 642-650 (2013).
3. Polikarpova, M., Ponomarev, P., Roytta, P., et al. "Direct liquid cooling for an outer-rotor direct-drive permanent-magnet synchronous generator for wind farm applications", IET Electric Power Applications, 9(8), pp. 523-532 (2015).
4. Wang, T. and Wang, Q. "Optimization design of a permanent magnet synchronous generator for a potential energy recovery system", IEEE Trans. Energy Convers., 27(4), pp. 856-863 (2012).
5. Eriksson, S., Solum, A., Leijon, M., et al. "Simulations and experiments on a 12 kW direct driven PM synchronous generator for wind power", Renewable Energy, 33(4), pp. 674-681 (2008).
6. Faiz, J., Ebrahimi, B.M., Rajabi-Sebdani, M., et al. Optimal design of permanent magnet synchronous generator for wind energy conversion considering annual energy input and magnet volume", in International Conference on Sustainable Power Generation and Supply, pp. 1-6 (2009).
7. Li, H. and Chen, Z. "Design optimization and site matching of direct-drive permanent magnet wind power generator systems", Renewable Energy, 34(4), pp. 1175-1184 (2009).
8. Bazzo, T., Kolzer, J.F., Carlson, R., et al. "Optimum design of a high-efficiency direct-drive PMSG", in IEEE Energy Conversion Congress and Exposition (ECCE), pp. 1856-1863 (2015).
9. Eriksson, S., Bernho, H., and Bergkvist, M. "Design of a unique direct driven PM generator adapted for a telecom tower wind turbine", Renewable Energy, 44, pp. 453-456 (2012).
10. Hsiao, C.Y., Yeh, S.N., and Hwang, J.C. "Design of high performance permanent-magnet synchronous wind generators", Energies, 7(11), pp. 7105-7124 (2014).
11. Alshibani, S., Agelidis, V.G., and Dutta, R. "Lifetime cost assessment of permanent magnet synchronous generators for MW level wind turbines", IEEE Tran. Sustainable Energy, 5(1), pp. 10-17 (2014).
12. Laurit, S., Kallaste, A., Vaimann, T., et al. "Cost efficiency analysis of slow-speed slotless permanent magnet synchronous generator using different magnetic materials", in Electric Power Quality and Supply Reliability Conference (PQ), pp. 221-224 (2014).
13. Chebak, A., Viarouge, P., and Cros, J. "Optimal design of a high-speed slotless permanent magnet synchronous generator with soft magnetic composite stator yoke and rectifier load", Mathematics and Computers in Simulation, 81(2), pp. 239-251 (2010).
14. Kowal, D., Sergeant, P., Dupre, L., et al. "The effect of the electrical steel properties on the temperature distribution in direct-drive PM synchronous generators for 5 MW wind turbines", IEEE Trans. Magn., 49(10), pp. 5371-5377 (2013).
15. Semken, R.S., Nutakor, C., Mikkola, A., et al. "Lightweight stator structure for a large diameter direct-drive permanent magnet synchronous generator intended for wind turbines", IET Renewable Power Generation, 9(7), pp. 711-719 (2015).
16. Zhang, F., Du, G., Wang, T., et al. "Rotor retaining sleeve design for a 1.12-MW high-speed PM machine", IEEE Trans. Ind. Appl., 51(5), pp. 3675-3685 (2015).
17. Bazzo, T., Kolzer, J., Carlson, R., et al. "Multiphysics design optimization of a permanent magnet synchronous generator", IEEE Trans. Ind. Electron., 64(12), pp. 9815-9823 (2017).
18. Lim, D., Jung, S., Yi, K., et al. "A novel sequentialstage optimization strategy for an interior permanent magnet synchronous generator design", IEEE Trans.Ind. Electron., 65(2), pp. 1781-1790 (2018).
19. Sindhya, K., Manninen, A., Miettinen, K., et al. "Design of a permanent magnet synchronous generator using interactive multiobjective optimization", IEEE Transactions on Industrial Electronics, 64(12), pp. 9776-9783 (2017).
20. Ibtissam, B., Mourad, M., Medoued, A., et al. "Multi-objective optimization design and performance evaluation of slotted Halbach PMSM using Monte Carlo method", Scientia Iranica, 25(3), pp. 1533-1544 (2018).
21. Arslan, S., Gurdal, O., and Akkaya Oy, S. "Design and optimization of tubular linear permanent-magnet generator
with performance improvement using response surface methodology and multi-objective genetic algorithm", Scientia Iranica, 27(6), pp. 3053-3065 (2020).
22. Boules, N. "Two-dimensional field analysis of cylindrical machines with permanent magnet excitation", IEEE Trans. Ind. Appl., IA-20(5), pp. 1267-1277 (1984).
23. Boules, N. "Prediction of no-load  flux density distribution in permanent magnet machines", IEEE Trans. Ind. Appl., IA-21(3), pp. 633-643 (1985).
24. Zou, Y. and He, J. "Comprehensive modeling, simulation and experimental validation of permanent magnet synchronous generator wind power system", in IEEE/IAS 52nd Industrial and Commercial Power Systems Technical Conference (I&CPS), pp. 1-9 (2016).
25. Kim, C., Koo, M., Kim, J., et al. "Core loss analysis of permanent magnet synchronous generator with slotless stator", IEEE Trans. Appl. Supercond., 28(3), pp. 1-4 (2018).
26. Kuchenbecker, W.E. "Procedures to determine inductances of permanent magnet generators", IEEE Latin America Transactions, 13(8), pp. 2646-2652 (2015).
27. Rezazadeh, G., Tahami, F., and Valipour, H. "Threephase PFC rectifier with high efficiency and low cost for small PM synchronous wind generators", in 2016 7th Power Electronics and Drive Systems Technologies Conference (PEDSTC), pp. 302-307 (2016).
28. Tiwari, R. and Babu, N.R. "Fuzzy logic based MPPT for permanent magnet synchronous generator in wind energy conversion system", IFAC-PapersOnLine, 49(1), pp. 462-467 (2016).
29. Chowdhury, M.M., Haque, M.E., Saha, S., et al. "An enhanced control scheme for an IPM synchronous generator based wind turbine with MTPA trajectory and maximum power extraction", IEEE Trans. Energy Convers., 33(2), pp. 556-566 (2018).
30. Abdelrahem, M., Hackl, C.M., and Kennel, R. "Finite position set-phase locked loop for sensorless control of direct-driven permanent-magnet synchronous generators", IEEE Trans. Power Electron., 33(4), pp. 3097- 3105 (2018).
31. Rezazadeh, G., Vaschetto, S., Tahami, F., et al. "Analysis of six-phase induction motor with distributed and concentrated windings by using the winding Function Method", in XIII International Conference on Electrical Machines (ICEM), pp. 2423-2429 (2018).
32. Bywaters, G., Northern Power NW 1500 Direct-Drive Generator, Northern Power Systems, Inc. (2006).
33. Alemi-Rostami, M., Alipour-Sarabi, M., Rezazadeh, G., et al. "Design optimization of a double-stage resolver", IEEE Transactions on Vehicular Technology, 68(6), pp. 5407-5415 (2019).
34. Boldea, I. and Nasar, S.A., The Induction Machine Handbook, CRC Press (2010).
35. Tutelea, L. and Boldea, I. "Surface permanent magnet synchronous motor optimization design: Hooke Jeeves method versus genetic algorithms", in 2010 IEEE International Symposium on Industrial Electronics, pp. 1504-1509 (2010).
36. Grauers, A. "Design of direct-driven permanentmagnet generators for wind turbines", Ph.D. Thesis, School of Electrical and Computer Engineering, Chalmers University of Technology, Sweden (1996).
37. Ghasemian, M., Tahami, F., and Rezazadeh, G. "A comparative analysis of permanent magnet  flux reversal generators with distributed and concentrated winding", in IECON - 43rd Annual Conference of the IEEE Industrial Electronics Society, pp. 1657-1661 (2017).
38. Raziee, S.M., Misir, O., and Ponick, B. "Winding function approach for winding analysis", IEEE Trans. Magn., 53(10), pp. 1-9 (2017).
39. Alipour-Sarabi, R., Nasiri-Gheidari, Z., Tootoonchian, F., et al. "Improved winding proposal for wound rotor resolver using genetic algorithm and winding function approach", IEEE Trans. Ind. Electron., 66(2), pp. 1325-1334 (2019).
40. Rezazadeh, G., Ghasemian, M., and Nasiri-Gheidari, Z. "Ultra low vibration and low acoustic noise multistage switched reluctance machine", in 9th Annual Power Electronics, Drives Systems and Technologies Conference (PEDSTC), pp. 271-276 (2018).
Scientia Iranica
Volume 29, Issue 1
Transactions on Computer Science & Engineering and Electrical Engineering (D)
January and February 2022
Pages 217-229

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