Thermal analysis calculation of dry-type transformer in PSM high voltage power supply

Yuyang Xia; Qing Li; Xiaohui Mao

doi:10.11884/HPLPB202032.190294

Journals >High Power Laser and Particle Beams >Volume 32 >Issue 2 >Page 025008 > Article

High Power Laser and Particle Beams
Vol. 32, Issue 2, 025008 (2020)

Thermal analysis calculation of dry-type transformer in PSM high voltage power supply

Yuyang Xia, Qing Li, and Xiaohui Mao

Author Affiliations

Southwest Institute of Physics, Chengdu 610225, China

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DOI: 10.11884/HPLPB202032.190294 Cite this Article

Yuyang Xia, Qing Li, Xiaohui Mao. Thermal analysis calculation of dry-type transformer in PSM high voltage power supply[J]. High Power Laser and Particle Beams, 2020, 32(2): 025008 Copy Citation Text

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Fig. 1. Simplified transformer diagram

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Relationship between air density, specific heat capacity, dynamic viscosity, thermal conductivity, and temperature of dry air干空气的空气密度、比热容、动力粘度、导热系数等与温度之间的关系

Fig. 2. Relationship between air density, specific heat capacity, dynamic viscosity, thermal conductivity, and temperature of dry air干空气的空气密度、比热容、动力粘度、导热系数等与温度之间的关系

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Fig. 3. Exit temperature changes with wind speed

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Fig. 4. Contour map of temperature field distribution in air-cooled channels

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Fig. 5. Y-direction contour map in the air-cooled channel

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Fig. 6. Temperature change diagram of transformer during natural cooling

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R/m	r/m	\begin{document}${P_{{\rm{Cu}}}}$\end{document}/W	\begin{document}${P_{{\rm{Fe}}}}$\end{document}/W	H/m	\begin{document}${T_{{\rm{fo}}}}$\end{document}/ \begin{document}${}^ \circ {\rm{C}}$\end{document}	D/m	A/m²
0.98	0.74	39 823	10 770	1.8	25	0.20	7.49

Table 1. Basic parameters of the transformer

\begin{document}$T/{}^\circ {\rm{C}}$\end{document}	\begin{document}$\;\rho /\left( { {\rm{kg} } \cdot { {\rm{m} }^{\rm{3} } } } \right)$\end{document}	\begin{document}${c_p}/\left( {{\rm{J}} \cdot {\rm{k}}{{\rm{g}}^{{\rm{ - 1}}}} \cdot {{\rm{K}}^{{\rm{ - 1}}}}} \right)$\end{document}	\begin{document}$\;\mu /\left( { {\rm{1} }{ {\rm{0} }^{ {\rm{ - 6} } } }\;{\rm{Pa} } \cdot {\rm{s} } } \right)$\end{document}	\begin{document}$k/\left( {{\rm{mW}} \cdot {{\rm{m}}^{ - 1}} \cdot {{\rm{K}}^{ - 1}}} \right)$\end{document}
20	1.164	1.013	18.24	25.24
40	1.092	1.013	19.22	26.52
60	1.025	1.017	20.40	28.03
80	0.968	1.022	20.99	2.931
100	0.916	1.022	21.77	30.70
120	0.870	1.026	22.75	31.98
140	0.827	1.026	23.54	33.26
160	0.789	1.030	24.12	34.42
200	0.732	1.034	25.89	36.98
250	0.653	1.043	27.95	39.77
300	0.596	1.047	29.71	42.91

Table 2. Thermophysical properties of dry air（

$p = 100 \;{\rm{kPa}}$

）

Yuyang Xia, Qing Li, Xiaohui Mao. Thermal analysis calculation of dry-type transformer in PSM high voltage power supply[J]. High Power Laser and Particle Beams, 2020, 32(2): 025008

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