Abstract
Isolated phase bus (IPB) is chosen as the structure type of the enclosed ac busbar for ITER poloidal field (PF) converter, which is used to connect the rectifier transformer and the converter unit of the ITER PF converter module due to its electromagnetic shielding ability. To solve the heating problem of the high-power IPB, water cooling method is adopted. This paper presents the thermal design of high-power water-cooled ac enclosed busbar which is applied for ITER PF converter. The proposed approach takes full advantage of the quickness of the analytical method based on the heat transfer theory and the accuracy of the 3-D finite element method, focusing on the predictions of the temperature rise of circulating water and the enclosed busbar. Temperature measurements from the test based on a full scale prototype of the IPB show good agreements with the predictions, which proves the high efficiency and accuracy of the proposed approach in the design of cooling scheme for the ten-kilowatt-class enclosed ac busbar.
Similar content being viewed by others
References
P.H. Rebut, Iter the first experimental fusion-reactor. Fusion Eng. Des. 30(1–2), 85–118 (1995)
I. Benfatto et al., AC/DC converters for the ITER Poloidal Field system, in Fusion Engineering. In Proc. 16th IEEE/NPSS Symp. Fusion Eng. Seeking New Energy, pp. 658–661 (1995)
P. Fu, G. Gao et al., Preliminary design of the poloidal field Ac/Dc converter system for the iter coil power supply. Fusion Sci. Technol. 64(4), 741–747 (2013)
P. Fu, G. Gao et al., Review and analysis of the AC/DC converter of ITER coil power supply. In Proceedings of Applied Power Electronics Conference, IEEE, Palm Spring, CA, USA (2010), pp. 1810–1816
C. Seung-kil., et al. Analysis on the magnetic properties of an isolated phase bus system. In Proceedings of 5th International Conference on Electrical Machines and Systems (2001), pp. 1166–1169
W.F. Skeats, N. Swerdlow, Minimizing the magnetic field surrounding isolated-phase bus by electrically continuous enclosures. Power Apparatus and Systems, Part III. Trans. Am. Inst. Elec. Eng. 81(3), 655–665 (1962)
A. Conangla, Heat Losses in Isolated-Phase Bus Enclosures. Power Appar. Syst. IEEE Trans. 82(66), 308–318 (1963)
IC Report, Proposed guide for calculating losses in isolated-phase bus. Power Appar. Syst. IEEE Trans. PAS 87(8), 1730–1737 (1968)
IEEE Standard for Metal-Enclosed Bus. IEEE Std C37.23-2003 (Revision of IEEE Std C37.23-1987): 15-48 (2003)
Y. Li et al., Calculations of electromagnetic field and thermal problem in an isolated phase bus by using FE Model. In Power System Technology and IEEE Power India Conference (2008), pp. 1–5
S.M. Yang, W. Tao, Heat transfer (Higher Education Press, China, 2006)
A. Boglietti et al., Evolution and modern approaches for thermal analysis of electrical machines. IEEE Trans. Ind. Electron. 56(3), 871–882 (2009)
W. Bober, A. Stevens, Numerical and analytical methods with matlab for electrical engineers (CRC Press LLC, Boca Raton, 2013)
Acknowledgments
The author would like to express the gratitude to our colleagues for their helpful suggestion and assistance about conducting the test.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Xia, M., Song, Z., Li, C. et al. Thermal Design of High-Power Water-Cooled Enclosed AC Busbar for ITER Poloidal Field Converter. J Fusion Energ 34, 1168–1174 (2015). https://doi.org/10.1007/s10894-015-9936-1
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10894-015-9936-1