无刷直流电机加速寿命试验

19739,19979,,(,310027)AcceleratedLifeTestsofBLDCMZhejiangUniversityHuangHongjianLinRuiguangAbstract:Theoreticalbasisandtypeofacceleratedlifetestsareintroduced.Winding,bearingandcontrolcircuit,whicharethevulnerablespotofBLDCM,areanalyzed.AcceleratedlifetestsofBLDCMareresearched.Keywords:BLDCMLifetestAccelerationtest1,,,,,,,,,,,,,,,,,2,,,,,,,,211,,342000,27(6)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,212,,213,31,,97%;,56%,42%,,:311,[2,3,6]LR=10660nCfPPEfRfLfGfSfYfHfTfVfELRR,hn,röminC,NP,NE,3,10ö331111fPfP,fP=1.01.2,fP=1.21.8,fP=1.83.031112fR90%2,90%R,fRfR=ln1Röln10191öee,10ö9,3ö2,4ö331113fT,C,,,,,,fT=1(T120)(1.36-0.003T)E(120T300)31114,fLfGfS,,fY,fH,,,,,fE,,,312,,,A8,B10,H18,ABH,81018,,VantGoffArrenlus[1]442000,27(6)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.542000,27(6)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.642000,27(6)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.