Abstract
This paper presents the design of cryogenic permanent magnet synchronous motor (C-PMSM) for submerged liquefied natural gas (LNG) pump. The motor is submerged in LNG with a cryogenic temperature (CT) of -161 °C, and its magnetic and electric characteristics differ greatly from that of the motor at room temperature (RT). So it is necessary to redesign according to the result of conventional design, considering the changes of materials under the cryogenic environment. The operating characteristics of the C-PMSM are investigated, and the redesign method is discussed. Finite-element method is used to analyze the motor performance. A prototype is fabricated and tested to verify the rationality of the design.
| Original language | English |
|---|---|
| Article number | 8370833 |
| Journal | IEEE Transactions on Magnetics |
| Volume | 54 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 1 Jun 2018 |
| Externally published | Yes |
Funding
ACKNOWLEDGMENT This work was supported in part by the National Natural Science Foundation of China under Grant 51407064 and in part by the Natural Science Foundation of Hunan Province, China, under Grant 2018JJ2044.
Keywords
- Cryogenic permanent magnet synchronous motor (C-PMSM)
- finite-element method (FEM)
- submerged liquefied natural gas (LNG) pump
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering
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