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Variation Regularity and Measurement of Zero-Sequence Inductance of Fractional Slot Concentrated Winding PMSMs
- Source :
- IEEE Transactions on Energy Conversion; December 2022, Vol. 37 Issue: 4 p2525-2534, 10p
- Publication Year :
- 2022
-
Abstract
- The zero-sequence inductance is a vital parameter for the performance analysis of permanent magnet machines, especially under faulty conditions or in open-winding machines. This paper focuses on the zero-sequence inductance calculation of fractional slot concentrated winding permanent magnet synchronous machines (FSCW-PMSMs), and reveals the variation regularity of this kind of inductance and its various components against pole/slot combinations, using the winding function and finite element methods. Moreover, based on the analysis of 36-slot FSCW-PMSMs with different pole numbers, the dependency of each inductance component on the pole/slot combination is discussed in detail. To validate the regularities, experimental measurements of zero-sequence inductance are implemented in the prototype of the 36-slot stator. It is found that the regularities are independent of specific slot or pole numbers, which provide guidelines for optimum pole/slot combination selection, to mitigate the problems caused by zero-sequence current.
Details
- Language :
- English
- ISSN :
- 08858969 and 15580059
- Volume :
- 37
- Issue :
- 4
- Database :
- Supplemental Index
- Journal :
- IEEE Transactions on Energy Conversion
- Publication Type :
- Periodical
- Accession number :
- ejs61312263
- Full Text :
- https://doi.org/10.1109/TEC.2022.3172856