1. Mōta hiko dc paraihe
I roto i ngā motuka paraihe, ka mahia tēnei mā te pana hurihuri i runga i te pou o te motuka e kiia nei ko te commutator. Kei roto i tēnei he rango hurihuri, he kōpae rānei kua wehea kia maha ngā wāhanga whakapā whakarewa i runga i te rotor. Ka honoa ngā wāhanga ki ngā takai arataki i runga i te rotor. E rua, neke atu rānei ngā hononga tūmau e kiia nei ko ngā paraihe, he mea hanga mai i te arataki ngohengohe pērā i te graphite, ka pēhi ki te commutator, ka hanga he pānga hiko reti ki ngā wāhanga e whai ake nei i te tahuritanga o te rotor. Ka tukuna e ngā paraihe he iahiko ki ngā takai. I te hurihuritanga o te rotor, ka tīpakohia e te commutator ngā takai rerekē, ā, ka tukuna te iahiko aronga ki tētahi takai kua whakaritea kia noho kore te papa aukume o te rotor ki te stator, ā, ka hangaia he taipana i te taha kotahi.
2. Mōta dc kore paraihe
I roto i ngā motuka DC kore paraihe, ka whakakapia ngā hononga whakawhitiwhiti miihini e te pūnaha servo hiko. Ka kitea e te pūoko hiko te koki o te rotor, ā, ka whakahaere i ngā pana semiconductor pērā i ngā transistors e whakawhiti ana i te iahiko mā roto i ngā takai, mā te huri i te ahunga o te iahiko, mā te whakaweto rānei i ētahi motuka i te koki tika kia hangaia ai e ngā aukume hiko te taipana i te taha kotahi. Mā te whakakorenga o te hononga reti ka taea e ngā motuka kore paraihe te iti ake o te waku me te roa ake o te ora; ko te roanga o te ora mahi ka herea noa e te roanga o te ora o ā rātou peera.
Ka whakawhanakehia e ngā motuka DC paraihe te taipana mōrahi ina tū tonu, ka heke haere i te pikinga o te tere. Ka taea te whakakore i ētahi herenga o ngā motuka paraihe mā ngā motuka kore paraihe; kei roto ko te pai ake o te mahi me te iti ake o te ngawari ki te pakaru miihini. Ka puta mai ēnei painga i te utu o ngā hiko whakahaere iti ake te pakari, te uaua ake, me te utu nui ake.
He aukume tuturu tō te mōta kore paraihe e hurihuri ana i te taha o te anga pūmau, e whakakore ana i ngā raruraru e pā ana ki te hono i te iahiko ki te anga neke. Ka whakakapia te huihuinga whakawhitiwhiti o te mōta DC paraihetia e te kaiwhakahaere hiko, e huri tonu ana i te āhua ki ngā takai kia huri tonu ai te mōta. Ka mahi te kaiwhakahaere i te tohatoha mana wā rite mā te whakamahi i te ara iahiko totoka kaua ki te pūnaha whakawhitiwhiti.
He maha ngā painga o ngā motuka kore-paraihe ki ngā motuka DC paraihe, tae atu ki te ōwehenga taipana ki te taumaha teitei, te pai ake o te mahi ka nui ake te taipana ia watt, te pono ake, te haruru iti iho, te roa ake o te ora mā te whakakore i te pirau o te paraihe me te commutator, te whakakorenga o ngā mura ionizing mai i te...
te whakawhitiwhiti hiko, me te whakaiti whānui i te pokanoa hikohiko (EMI). Nā te korenga o ngā takai i runga i te rotor, kāore rātou e pāngia e ngā kaha porotītaha, ā, nā te mea e tautokona ana ngā takai e te whare, ka taea te whakamatao mā te ara iahiko, kāore e hiahiatia he hau e rere ana i roto i te motuka hei whakamatao. Ko te tikanga o tēnei ka taea te kati katoa i ngā roto o te motuka me te tiaki mai i te paru, i ētahi atu mea ke rānei.
Ka taea te whakatinana i te whakawhiti mōtini kore paraihe i roto i te pūmanawa mā te whakamahi i tētahi pūmana iti, ka taea rānei te whakatinana mā te whakamahi i ngā ara iahiko anaro, mamati rānei. Mā te whakawhiti me ngā hikohiko hei utu mō ngā paraihe ka taea te whakamahi i ngā ngāwari me ngā āheinga kāore e wātea ana i ngā mōtini DC paraihe, tae atu ki te whakawhāiti tere, te mahi takahanga iti mō te whakahaere nekehanga puhoi me te pai, me te taipana pupuri ina tū. Ka taea te whakarite i ngā pūmanawa pūmana ki te mōtini motuhake e whakamahia ana i roto i te tono, ka hua ake he pai ake te whakawhiti.
Ko te mana mōrahi ka taea te whakamahi ki tētahi motuka kore paraihe ka herea e te wera anake;[me whai tohutoro] ka ngoikore ngā aukume i te wera nui rawa, ā, ka kino te whakamarumaru o ngā takai.
Ina hurihia te hiko hei mana miihini, he pai ake te whai hua o ngā motuka kore paraihe i ngā motuka paraihe nā te korenga o ngā paraihe, ā, ka whakaitihia te ngaronga pūngao miihini nā te waku. Ko te whai huatanga whakarei ake ka nui ake i ngā rohe kore-kawenga me ngā rohe iti-kawenga o te pihi mahi o te motuka.
Ko ngā taiao me ngā whakaritenga e whakamahia ana e ngā kaihanga ngā motuka DC momo kore-paraihe ko te whakahaere kore tiaki, ngā tere teitei, me te whakahaere ina he morearea te mura (arā, ngā taiao pahū) ka pā rānei ki ngā taputapu tairongo hiko.
He rite te hanganga o te mōta kore paraihe ki te mōta stepper, engari he rerekētanga nui ngā mōta nā te rerekētanga o te whakatinanatanga me te whakahaere. Ahakoa he maha ngā wā ka mutu te mōta stepper me te rotor i tētahi tūranga koki kua tautuhia, ko te tikanga he mōta kore paraihe hei whakaputa i te hurihanga tonu. Tērā pea he pūoko tūranga rotor mō ngā urupare ā-roto o ngā momo mōta e rua. Ka taea e te mōta stepper me te mōta kore paraihe kua hoahoatia pai te pupuri i te taipana mutunga kore i te kore RPM.
Wā tuku: Maehe-08-2023