Ka wetewetehia te aukume tuturu korepu dc motopaika taipana
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Ka wetewetehia te aukume tuturu korepu dc motopaika taipana

Tirohanga: 0     Kaituhi: Kaiwhakatika Pae Wā Whakaputa: 2020-11-12 Takenga: Pae

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Ko te motini paraihe kore aukume tuturu me nga ahuatanga hiko, te awe o te niho, te huringa o naianei, ko te tauhohenga a-ringa ka puta he taipana pupuhi kaha. I roto i te hoahoa o te motuka me te punaha whakahaere e tika ana, me ata whakaaro, me whai waahi ki te karo i nga ripple taipana nui.

2. 1 ripple taipana hiko i puta mai i nga take o

te ripple taipana hiko e tika ana ki te taunekeneke i waenganui i stator nāianei me rotor mara autō me te ripple taipana, te reira ki te ngaru o nāianei, te emf ngaru hoki, te hau āputa hau autō kiato e hāngai ana ki te tohatoha. Tümanako, te nāianei stator mo te ngaru tapawha, te ngaru emf hoki rite te ngaru trapezoidal, flat runga whanui ko 120 & deg; Tirohanga hiko, te taipana hiko he uara tonu. Ko te motika tūturu, te hoahoa me te hanga o nga take, ka taea te hanga i te ngaru emf o muri ehara i te ngaru trapezoidal, te whanui o te ngaru, kaore ranei mo te 120 & deg; Ko te tirohanga hiko, na tenei ka puta te torque pulsation o te motuka.

2. 2 te ripple taipana cogging meinga e te

rite ki te hua o te oraraa o te niho haehae o te matua stator, hanga te aukume pūmau ki te mata armature ōrite permeance āputa hau pāhiwihiwi, ka takahuri te rotor, hanga i roto i te āhua o te autō, autō iahiko autō huringa ātete autō, e meinga taipana ripple. Ko te ripple torque torque i puta mai i te rotor ko nga mara autō e taunekeneke ana ki te whakaputa, kaore he mahi ki te ia o te stator. Na te mea i aukatihia na te ripple torque cogging e aro nui ana ki te arotautanga o te hoahoa motuka, penei i te chute.

2. 3 commutation taipana ripple nāianei i meinga e te


whika 1 rite te hoahoa poraka o te pūnaha mana o te nekeneke hiko, pūmana mahi i roto i rua āhua kawe. Ia 60 & deg; Koki Hiko MOSFET wahanga whakawhiti i te wa kotahi. Ki te te nāianei mo Q1 me Q5 whakahaerenga, i muri i 60 & deg; Koki Hiko, te kawe Q1 me te Q6. I roto i te Q1, Q5 wā kawe, te nāianei i roto i te pōkai o AB, i muri i te commutation nāianei rere i roto i te pōkai o AC. Ko te hua o te inductance coil motuka, i roto i te huringa o te whakawhiti, B ki te tohu i te heke o te wahanga o naianei me te waahanga C ka piki ake. A, no te te Q5 whakawātea tautiaki, AB wāhanga coil nāianei i roto i Q1 & rarr; AB wahanga coil & rarr; Q2 tinana diode o muri rere, AB wāhanga pōkai te nāianei ka pirau ki te kore, engari te nāianei o te wāhanga AC me te wa āhua roa ki te piki ki mua o te rahi wāhanga. Na reira ka nui ake te motini o naianei. E whakaatu ana i te ahua 2 a te CH3. Kua tae ki te 12 a te putere o naianei. I roto i te wahanga o te taipana hiko ko:



me Te mo te motika hiko hikohiko, ea, eb, ec mo te wahanga hiko hiko, ia, ib, IC mo te wahanga awhiowhio o naianei.

na te mea he poto rawa te wa whakawhiti, ka taea te whakaaro ebaeca, kaua e rereke, i te waahi o te taipana whakawhiti he rite ki te hononga o naianei, na reira, ko te rerekee o naianei i arahi tika ki te rerekee o te motopaika. I roto i raro i te huru o te tere iti mahi kawenga nui, te ripple taipana nekeneke.

i roto i brushless dc aukume pūmau nekeneke taipana ripple take, te matua e rua o mua mā te arotau i te hoahoa o te nekeneke ki te whakatutuki i te whāinga, mo te ahua tuatoru o te taipana ripple, ka taea e tatou i roto i te tikanga utu o nāianei ki te whakaiti i te nekeneke i roto i te tukanga o te commutation taipana ripple. Ka arotahi tenei tuhinga ki te tikanga.

Ko te roopu HOPRIO he kaihanga ngaio o te kaiwhakahaere me nga motuka, i whakapumautia i te 2000. Te tari matua o te roopu i Changzhou City, Jiangsu Province.

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