Magnes perpetuus Brushless dc motore moderatore permanente magnete Brushless dc motore moderatore cum ac inductione motoris statoris permanentis magnetis multiphase flexae multiphase cochleae rotoris permanentis magnetis fili curvis vel caveae ambages rotoris positionis sensoris non opus est non opus est scintilla electrica sine contactu labens, intercursus auditoris et peniculus EMC, intercessio EMC validus est, vel intercessio debet esse humilis anulus EMC electronicus uti cum potentia DCDCAC utens intentione dilatata est, restricta potentia fabrica intentione humilis, restricta commutatoris pressionis altae mechanicae proprietatibus prope linearibus linearibus nonlinearibus altioris inchoationis torque ratio superior humili celeritate range alta est, limitata a rotor vis centrifugae humilis, restricta per commutatorem vis centrifuga alta, limitata a rotor rotoris centrifugae vis damni altitudinis humilis efficientiae ac pressionis et stillicidium damnum non est humilis, pressionis et stillicidium amissionis amissionis et rotoris centrifugae fere amissionis humilitatis efficientiae et pressionis et stillicidii amissionis amissionis et rotoris centrifugae fere amissionis humilis, restricta vi centrifuga commutatoris is low, the rotor moment of inertia of rotor is lesser, lossy corresponding fast big small power density is high, the stator winding is easy to heat dissipation is low, the stator winding is not easy heat dissipation with lower rotor torque ripple lossy fever higher controllability to poor life and reliability is higher, mainly is decided by bearing low, commutator brush the weak link in high security and high maintenance need not often maintenance needs regular cleaning or replacement brush need not often maintenance using low temperature range, restricted by magnes permanens est inferior altior est