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</o:shapelayout></xml><![endif]--></head><body lang=FR-BE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>using the examples « Rotating electric machines » from OneLab, I try to build a model for this permanent magnet electrical machine :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:FR-BE'><img width=423 height=415 id="Picture_x0020_1" src="cid:image001.png@01CEC8EC.CF1EEAB0"></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In the file pmsm.pro from OneLab, one imposes a radial Br on the magnet with:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US> // For a radial remanent b<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> For k In {1:nbMagnets}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> </span>br[ Rotor_Magnet~{k} ] = (-1)^(k-1) * b_remanent * Vector[ Cos[Atan2[Y[],X[]]], Sin[Atan2[Y[],X[]]], 0 ];<o:p></o:p></p><p class=MsoNormal> <span lang=EN-US>EndFor<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>How do I construct a vector normal to the magnets ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks for any help,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Joseph<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:FR-BE'>--<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:FR-BE'>Joseph Frippiat<br>Senior Developer - UPS Division<br><br><b>KST S.A.</b> - Site of Battice<br>Cour Lemaire, 16<br>B-4651 BATTICE<br>BELGIUM<br>Tel : +.32.4.247.01.67<br>Fax : +.32.87.31.42.21<br>E-mail : <a href="mailto:frippiat.j@kst.be"><span style='color:blue'>frippiat.j@kst.be</span></a><br>Web : www.kst-ups.com<br><br></span><span style='font-size:10.0pt;mso-fareast-language:FR-BE'>Head office : Cour Lemaire, 16 - 4651 Battice (Belgium)<br>RPM Liège (Belgium) : 0423.472.603</span><span style='mso-fareast-language:FR-BE'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>