| 摘要 |
A permanent magnet synchronous motor includes a stator and a permanent magnet excited rotor, with the stator provided with a winding which has cyclically repeating winding factors |&xgr;p|=0.945, |&xgr;5p|=0.140, and |&xgr;7p|=0.060, and a skew angle <math-cwu id="MATH-US-00001"> <number>1</number> <math> <mrow> <mrow> <mi>gamma</mi> <mo>=</mo> <mfrac> <mrow> <mn>2</mn> <mo>⁢</mo> <mi>pi</mi> </mrow> <mrow> <mn>18</mn> <mo>⁢</mo> <mi>p</mi> </mrow> </mfrac> </mrow> <mo>,</mo> </mrow> </math> <mathematica-file id="MATHEMATICA-00001" file="US20010045787A1-20011129-M00001.NB"/> <image id="EMI-M00001" wi="216.027" he="18.96615" file="US20010045787A1-20011129-M00001.TIF" imf="TIFF" ti="MF"/> </math-cwu> wherein p is the number of pole pairs.
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