Cov pa roj carbon txhuam ua lub luag haujlwm tseem ceeb hauv cov motors, thiab nws yog ib feem tseem ceeb ntawm cov motors. Tshwj xeeb, lub luag haujlwm tseem ceeb ntawm cov txhuam hniav yog raws li hauv qab no:
Hloov tam sim no: Lub luag haujlwm tseem ceeb ntawm cov txhuam hniav yog hloov cov khoom siv hluav taws xob sab nraud ntawm lub cev muaj zog (feem ntau yog qhov excitation tam sim no ntawm DC) mus rau winding (excitation winding) ntawm lub rotor los ntawm lub nplhaib plam (ntawm lub rotor, khiav nrog lub rotor. ) muab hluav taws xob rau lub cev muaj zog.
Hloov cov kev taw qhia ntawm qhov tam sim no: Hauv DC lub cev muaj zog, cov roj carbon txhuam ua raws li kev sib hloov, ua kom cov DC tuaj yeem ntws los ntawm ib qho kawg ntawm lub rotor, tso cai rau lub cav tig mus rau hauv ib qho kev taw qhia. Nyob rau tib lub sijhawm, cov txhuam hniav carbon kuj tseem siv los hloov cov khoom siv hluav taws xob ntawm lub rotor, uas hloov cov rotor ncej, uas nyob rau hauv lem hloov cov lus tsa suab ntawm lub cev muaj zog.
Electrostatic charges: Cov roj carbon txhuam kuj tseem ncaj qha electrostatic nqi ntawm cov ncej loj rau hauv av, tiv thaiv kev tsim cov nqi thiab ua rau lub cev muaj zog.
Tsis tas li ntawd, cov pa roj carbon txhuam muaj qee lub zog, hluav taws xob thiab thermal conductivity, nrog rau cov khoom siv lubricating, uas tso cai rau lawv kom muaj txiaj ntsig zoo thiab nthuav tawm cov hluav taws xob tam sim no raws li kev sib cuag ntawm lub cev muaj zog commutators lossis lub nplhaib plam.
Feem ntau, cov txhuam hniav ua lub luag haujlwm tseem ceeb hauv lub cev muaj zog, thiab yuav luag txhua lub tshuab txhuam hniav siv cov txhuam hniav kom ntseeg tau tias lub cev muaj zog thiab ua haujlwm zoo. Nyob rau tib lub sijhawm, vim muaj kev sib txhuam thiab qhov hluav taws xob yaig ntawm cov pa roj carbon txhuam thiab lub nplhaib sib hloov, nws kuj yog ib feem ntawm DC motors thiab yuav tsum tau hloov tsis tu ncua los tswj kev ua haujlwm ntawm lub cev muaj zog.
