Progress In Electromagnetics Research M
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By C. Wen and X. Sun

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A superconducting synchronous generator (SSG) is proposed for wind power, in which magnesium diboride (MgB2) superconducting coils are employed as field windings. The stator is composed of conventional copper coils and iron core, while the rotor has no iron core. The whole refrigeration method is adopted in this paper. The thermal barrier is not placed in between the stator and the rotor as compared with the prior HTS generators, so a small air gap width would be possible. In order to study the electromagnetic characteristics of the SSG, finite element method (FEM) is implemented to optimize the SSG and obtain the no-load and load performance of the initial and optimized SSG. Finally, the optimized SSG is compared with a traditional synchronous generator (TSG) of the same power. The results indicate that the optimized SSG has many merits such as small size, light weight, high efficiency and high power factor.

C. Wen and X. Sun, "Research on a Superconducting Synchronous Generator for Wind Power," Progress In Electromagnetics Research M, Vol. 67, 95-104, 2018.

1. Bladber, B., "Power electronics as efficient interface in dispersed power generation systems," IEEE Trans. Power Electron., Vol. 19, No. 5, 1184-1194, Sep. 2004.

2. Qu, R., Y. Liu, and J. Wang, "Review of superconducting generator topologies for direct-drive wind turbines," IEEE Trans. Appl. Supercond., Vol. 23, No. 3, 5201108, Jun. 2013.

3. Iwa Kuma, M., et al., "Development of a 7.5 kW YBCO superconducting synchronous motor," IEEE Trans. Appl. Supercond., Vol. 18, No. 2, 689-691, Jun. 2008.

4. Snitchler, G., B. Gamble, C. Kimg, and P. Winn, "10 MW class superconductor wind turbine generators," IEEE Trans. Appl. Supercond., Vol. 21, No. 3, 1089-1092, Jun. 2011.

5. Jia, S., et al., "A novel vernier reluctance fully super conducting direct drive synchronous generator with concentrated windings for wind power application," IEEE Trans. Appl. Supercond., Vol. 26, No. 7, 5207205, Oct. 2016.

6. Nagamatsu, J., N. Nakagawa, and T. Muranaka, "Superconductivity at 39 K in magnesium diboride," Nature, Vol. 410, No. 6824, 63-64, 2001.

7. Wen, H., W. Bailey, K. Goddard, and M. Al-Mosawi, "Performance test of a 100 kW HTS generator operating at 67 K–77 K," IEEE Trans. Appl. Supercond., Vol. 19, No. 3, 1652-1655, Jun. 2009.

8. Leveque, J., D. Netter, B. Douine, and A. Rezzoug, "Some considerations about the cooling of the rotor of a superconducting motor," IEEE Trans. Appl. Supercond., Vol. 17, No. 1, 44-51, Mar. 2007.

9. Wen, C., et al., "Coil shape optimization for superconducting wind turbine generator using response surface methodology and particle swarm optimization," IEEE Trans. Appl. Supercond., Vol. 24, No. 3, 5202404, Jun. 2014.

10. Jiang, Q., M. Majoros, Z. Hong, A. M. Campbell, and T. A. Coombs, "Design and AC loss analysis of a superconducting synchronous motor," Supercond. Sci. Technol., Vol. 19, 1164-1168, 2006.

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