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Nzira yekupfeka uye kugadzirisa iyo yemagetsi bhasikoro mota

Nzira yekupfeka uye kugadzirisa iyo yemagetsi bhasikoro mota

 

 

 

Izvo zvehunyanzvi zvinodiwa

Ivo vane akasiyana akasarudzika anodikanwa maererano nemutoro zvinodiwa, hunyanzvi hwekuita uye nharaunda yekushanda:

1.Iyo mota yekutyaira yemota yemagetsi inoda kuve inguva makumi mana kusvika kumashanu yekuwandisa kuzadzikisa zvinodikanwa zvekumhanyisa-pfupi kukwirisa kana kukwira makomo; Maindasitiri mota anongoda kuwandisa zvakapetwa kaviri.

2.Iyo yekumhanyisa kumhanyisa mota dzemagetsi dzinodiwa kuti dzisvike ka4-5 nguva dzekumhanya kwekutanga kana uchifamba munzira huru, nepo maindasitiri mota anongoda kusvika simba risingagumi re2 nguva yekutanga kumhanya.

3.Iyo yekutyaira mota yemagetsi mota inoda kugadzirwa zvinoenderana nemodeli uye yekutyaira kutyaira maitiro, nepo iyo indasitiri mota inongoda kugadzirwa zvinoenderana neyakajairika mashandiro maitiro.

4.Magetsi emagetsi anodikanwa kuti ave nehuremu hwemagetsi (kazhinji mukati me1kg / kw) uye yakanaka chati (ine hunyanzvi mukati mekutenderera kwakanyanya uye torque) kudzikisira huremu hwemotokari uye kuwedzera mileage yekutyaira; Nekudaro, maindasitiri mota anowanzo kutora masimba emagetsi, hunyanzvi uye mutengo mukutarisisa, uye kukwidziridza kugona padyo nenzvimbo yakatarwa yekushanda.

5.Magetsi mota yekutyaira mota inoda yakakwira controllability, yakakwira yakadzikama-nyika kunyatsoita uye yakanaka inesimba kuita. Iyo maindasitiri mota ine chete chaiyo yekuita zvinodiwa.

6.Mota yemagetsi yekutyaira mota inoiswa pamota, iine diki nzvimbo, uye inoshanda mukushisa kwakanyanya, kushata kwemamiriro ekunze, kazhinji kudedera uye imwe nharaunda yakashata. Maindasitiri mota anowanzo shanda munzvimbo yakatarwa.

 

 

Zvakajairika zvikanganiso

Zvakajairika zvikanganiso zvine brushless dc motors zvinowanzo kuongororwa kubva pazvinhu zvitatu.

Kana nzvimbo yekukanganisa isina kujeka, mota yemuviri inofanirwa kuongororwa pekutanga, ichiteverwa nenzvimbo yenzira, uye pakupedzisira tarisa dunhu rekudzora wedunhu. Mumuviri wemotokari, matambudziko anogona kuitika ndeaya:

1.Kusangana kwakashata kwemotokari ichitenderera, yakaputsika waya kana pfupi pfupi. Zvichaita kuti mota isatendeuke; Iyo mota inogona kutanga mune dzimwe nzvimbo, asi haigone kutanga mune dzimwe nzvimbo; Iyo mota haina kuenzana.

2.Demagnetization yeiyo huru magnetic pole yemagetsi mota ichaita kuti torque yemota irambe iri diki, nepo isina-mutoro kumhanya iri pamusoro uye yazvino yakakura. Mune chinzvimbo chinzvimbo, zvinowanzoitika matambudziko horo yekukuvara, kusabatana zvakanaka, chinzvimbo chinzvimbo, ichaita kuti mota inoburitsa torque idiki, yakakomba ichaita kuti mota isafambe kana kuzungunuka ichidzoka nekudzoka pane imwe nhanho. Simba transistor ndiyo inonyanya kukona kukundikana mudhiraivhu yekudzora wedunhu, ndiko kuti, simba transistor rakakuvara nekuda kwekuwandisa kwenguva refu, kuwedzeredza kana kutenderera pfupi. Izvo zvataurwa pamusoro apa kuongororwa kwakajeka kwezvikanganiso zvakajairika zvebrushless mota, mukushanda chaiko kwemota kuchave nemhando dzakasiyana dzematambudziko, vaongorori vanofanirwa kutarisisa kuti vasanyatsobata mamiriro acho, kwete pamasimba masimba, kuti zvisakonzere kukuvara. kune zvimwe zvikamu zvemotokari.

 

 

Nzira dzekugadzirisa nekugadzirisa

Kune mhando mbiri dzemotokari dzinokanganisa: michina zvikanganiso uye magetsi magetsi. Mechiniki zvikanganiso zviri nyore kuwana, nepo magetsi magetsi akaongororwa nekutongwa nekuyera iwo magetsi kana azvino. Izvi zvinotevera nzira dzekutsvaga uye dzekugadzirisa matambudziko zvakajairika mota kukanganisa.

Yakakwira isina-mutoro ikozvino yemota

Kana iyo isina-mutoro yazvino yemota inodarika muganho data, inoratidza kuti mota ine mhosho. Izvo zvikonzero zveakakura asina-mutoro izvozvi zvemota zvinosanganisira: hombe mehenda kukakavadzana mukati memota, yemuno ipfupi-dunhu rekiyo, magnetic simbi demagnetization. Isu tinoenderera mberi tichiita inoenderana bvunzo uye kuongorora zvinhu, inogona kuenderera mberi nekukonzeresa kukanganisa kana nzvimbo yekukanganisa.

Iyo isina-mutoro / mutoro wekumhanya chiyero chemota yakakura kupfuura 1.5. Batidza simba uye shandura mubato kuti mota itenderedze kumhanya uye isina mutoro unodarika gumi. Kana mota inomhanya yadzikama, chiyera iyo yekukwirisa isina-mutoro kumhanya N10 yemota panguva ino. Pasi pemamiriro ekuyedza bvunzo, dhiraivha kupfuura 1m kuyera iyo yakanyanya mutoro kumhanya N200 yemota. Kwete-mutoro / mutoro chiyero = N2, N2.

Kana iyo isina-mutoro / mutoro wekumhanya chiyero chemota iri yakakura kupfuura 1.5, inoratidza kuti iyo magnetic simbi demagnetization yemota yakanyanyisa, uye iyo seti yemagineti yesimbi mukati memota inofanirwa kutsiviwa. Mune chaiyo yekugadzirisa maitiro emota dzemagetsi, mota yese inowanzo tsiviwa.

Kupisa mota

Chikonzero chakanangana nekupisa kwemotokari kunokonzerwa neiyo hombe razvino. Hukama huri pakati pemota yazvino I, yekuisa magetsi yemagetsi E1 yemota, uye inokonzeresa simba remagetsi E2 yemota kutenderera (inonziwo inverse electromotive simba) uye mota coil kuramba R ndeiyi: I = (e1-e2) ÷ R, iko kuwedzera kweI kunoratidza kuti R inoderera kana E2 inoderera. R kuderera kunowanzo kukonzerwa necoil pfupi redunhu kana yakavhurika redunhu, E2 kuderera inowanzo kukonzerwa nemagineti simbi demagnetization kana coil ipfupi redunhu kana yakavhurika redunhu. Muchiitiko chese chekuchengetedza mota bhasikoro remagetsi, nzira yekugadzirisa nemoto kupisa kuburitsa chipingamupinyi kazhinji kutsiva mota.

 

 

Iko kune yekurovera kwemuchina kana meyiki ruzha mukati memotokari panguva yekushanda

Hazvina mhosva kuti mota yekumhanyisa mota kana yekumhanyisa mota, hapafanire kunge paine kurovera kwemuchina kana mushe mushe ruzha kana mutoro uchimhanya. Mhando dzakasiyana dzemota dzinogona kugadziriswa nenzira dzakasiyana.

Tiye mileage yemotokari yakapfupikiswa, kuneta kwemota

Zvikonzero zvenguva pfupi yekutyaira uye mota kuneta (zvinowanzozivikanwa sekuneta kwemotokari) zvakaoma. Nekudaro, kana izvo zvina zviri pamusoro mota zvikanganiso zvabviswa, kazhinji kutaura, iko kukanganisa nekupfupika kwekutyaira mota hakukonzerwe nemota, iyo inoenderana nekudzikiswa kweanokwanisa bhatiri, iyojaja kuchaja isina kukwana simba, mutongi paramende kukukurwa (PWM chiratidzo hachisvike 100%) zvichingodaro.

Bisina kumhanya mota chikamu

Brushless mota chikamu kurasikirwa chinowanzoitika nekuda kweiyo isina brushless mota horo yekukuvara chinhu. Nekuyera kushomeka kweinoburitsa inotungamira yeiyo element element kune yepasi lead yehoro uye kune inotungamira yeimba magetsi magetsi, tinogona kuona kuti ndeipi horo element inokundikana nekuenzanisa.

Inowanzo kukurudzirwa kutsiva ese matatu eimba horo panguva imwechete kuti uve nechokwadi chechimiro chakaringana chekuchinja kwemotokari. Usati watsiva chinhu chehoro, zvinofanirwa kuve pachena kana chikamu algebraic Angle yemotokari iri 120 ° kana 60 °. Kazhinji, chinzvimbo chezvinhu zvitatu zvehoro zveiyo 120 ° chikamu Angle mota yakafanana. Yeiyo 60 ° chikamu Angle mota, iyo horo element iri pakati pezvinhu zvitatu horo inoiswa mune 180 ° chinzvimbo.

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