Lub luag haujlwm thiab txoj haujlwm ua haujlwm ntawm commutator
2022-06-29
Commutator muaj nuj nqi
Lub commutator feem ntau plays lub luag hauj lwm ntawm rectification los xyuas kom meej tias cov kev taw qhia ntawm lub electromagnetic torque tseem unchanged.
1. Thaum nws tig mus rau qhov sib npaug nrog cov hlau nplaum, cov xaim uas twb tau txuas nrog hluav taws xob yuav raug muab cais tawm ntawm cov txhuam ntawm cov khoom sib txuas, thiab lub cev muaj zog yuav tig.
2. Ua kom cov kev taw qhia tam sim no nyob rau hauv armature winding alternate los xyuas kom meej tias cov kev taw qhia ntawm lub electromagnetic torque tseem tsis hloov.
3. Nyob rau hauv lub tshuab hluav taws xob, lub commutator tuaj yeem hloov pauv qhov muaj peev xwm hloov pauv hauv lub caij mus rau DC lub peev xwm ntawm cov txhuam hniav. 4. Nyob rau hauv lub cev muaj zog, nws muaj peev xwm hloov cov ntaub ntawv DC tam sim no rau hauv AC tam sim no nyob rau hauv cov khoom, thiab tsim torque nyob rau hauv ib tug tas mus li kev taw qhia.
Yuav ua li cas lub commutator ua haujlwm
When the coil passes through the current, it will rotate through the attraction and repulsion under the action of the permanent magnet. When it turns to balance with the magnet, the wire that was originally energized will be separated from the brushes by the contacts on the corresponding commutator. Leave, and the brushes are connected to the contacts corresponding to the set of coils that generate the driving force, and this repeats continuously, and the DC motor turns. If there is no commutator, the motor will only be stuck in less than half a turn.
Yav dhau los:Cov khoom siv bearing
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