Kurasikirwa kwetatu-chikamu AC mota inogona kukamurwa kuita kurasikirwa kwemhangura, kurasikirwa kwealuminium, kurasikirwa kwesimbi, kurasika, uye kurasikirwa nemhepo. Iwo mana ekutanga kurasikirwa nekudziya, uye huwandu hunonzi total heat loss.Chiyero chekurasikirwa kwemhangura, kurasikirwa kwealuminium, kurasikirwa kwesimbi uye kurasika kwekurasikirwa kwekupisa kwekupisa kunotsanangurwa kana simba richichinja kubva kudiki kuenda kuhombe.Kuburikidza nemuenzaniso, kunyangwe chikamu chekushandisa mhangura uye kushandiswa kwealuminium mukurasikirwa kwese kwekushisa kuchichinja, kazhinji inodzikira kubva kuhukuru kuenda kudiki, kuratidza kudzikira.Kusiyana neizvi, kurasikirwa kwesimbi uye kurasika kurasikirwa, kunyangwe paine kushanduka, kazhinji kunowedzera kubva kudiki kusvika kuhombe, kuratidza kukwira kumusoro.Kana simba racho rakakura zvakakwana, kurasikirwa kwesimbi kuparara kunodarika kurasikirwa kwemhangura.Dzimwe nguva kurasikirwa kwakarasika kunopfuura kurasikirwa kwemhangura uye kurasikirwa kwesimbi uye inova chinhu chekutanga chekupisa.Kuongororazve iyo Y2 mota uye kucherechedza shanduko yakaenzana yekurasikirwa kwakasiyana kune kurasikirwa kwese kunoburitsa mitemo yakafanana.Tichiziva mitemo iri pamusoro apa, zvinogumiswa kuti magetsi akasiyana-siyana ane kukoshesa kwakasiyana pakuderedza kukwira kwekushisa uye kurasikirwa kwekupisa.Kune injini duku, kurasikirwa kwemhangura kunofanira kuderedzwa kutanga; kune epakati uye akakwira-simba mota, kurasikirwa kwesimbi kunofanirwa kunangana nekudzikisa kurasika kurasikirwa.Maonero ekuti "kurasika kudiki pane kurasikirwa nemhangura uye kurasikirwa nesimbi" kune rimwe divi.Inonyanya kusimbiswa kuti yakakura simba remotokari, kunyanya kunofanira kubhadharwa kuderedza kurasikirwa kwakarasika.Medium uye yakakura simba mota dzinoshandisa sinusoidal windings kuderedza harmonic magineti kugona uye kurasika kurasikirwa, uye mhedzisiro yacho kazhinji yakanaka kwazvo.Matanho akasiyana-siyana ekudzikisa kurasikirwa akarasika kazhinji haadi kuwedzera zvinhu zvinoshanda.
Nhanganyaya
Kurasikirwa kwetatu-chikamu AC mota inogona kukamurwa kuita mhangura kurasikirwa PCu, aluminium kurasikirwa PAl, simbi kurasikirwa PFe, kurasika kurasikirwa Ps, mhepo inopfeka Pfw, yekutanga ina yekupisa kurasikirwa, iyo yakawanda inonzi yakazara kupisa kurasikirwa PQ, iyo yakarasika kurasikirwa Ndicho chikonzero chekurasikirwa kwese kunze kwekurasikirwa kwemhangura PCu, aluminium kurasikirwa PAl, kurasikirwa kwesimbi PFe, uye mhepo inopfeka Pfw, kusanganisira harmonic magnetic inogona, kuvuza magnetic field, uye lateral ikozvino ye chute.
Nekuda kwekuomerwa kwekuverenga kurasika kwarasika uye kuoma kwebvunzo, nyika zhinji dzinotaura kuti kurasika kwarasika kunoverengerwa se0.5% yesimba rekuisa remota, izvo zvinorerutsa kupokana.Zvisinei, kukosha uku kwakanyanyisa, uye maitiro akasiyana-siyana uye maitiro akasiyana anowanzosiyana zvakanyanya, izvo zvinovanzawo kupesana uye hazvigone kuratidza zvechokwadi mamiriro ekushanda chaiwo emotokari.Munguva ichangopfuura, iyo yakayerwa yakarasika dissipation yakawedzera kufarirwa.Munguva yekubatanidzwa kwehupfumi hwepasi rose, ndiyo tsika yakajairika yekuve neimwe yekutarisira-inotarisisa nzira yekubatanidza neyepasi rose mwero.
Mubepa rino, matatu-chikamu AC mota inodzidzwa. Kana simba richichinja kubva padiki kusvika pakukura, chikamu chekurasikirwa kwemhangura PCu, aluminium kurasikirwa PAl, iron kurasikirwa PFe, uye kurasika kurasikirwa Ps kusvika pakurasikirwa kwekupisa kwePQ shanduko, uye matanho anowanikwa. Dhizaini nekugadzira zvine musoro uye zviri nani.
1. Kurasikirwa kwekuongorora kwemotokari
1.1 Kutanga cherechedza muenzaniso.Fekitori inotumira kunze E yakatevedzana zvigadzirwa zvemagetsi mota, uye mamiriro ehunyanzvi anoratidza akayerwa akarasika kurasikirwa.Kuti zvive nyore kuenzanisa, ngatitangei kutarisa 2-pole motors, iyo inotenderera musimba kubva 0.75kW kusvika 315kW.Zvinoenderana nemhedzisiro yebvunzo, chiyero chekurasikirwa kwemhangura PCu, aluminium kurasikirwa PAl, iron kurasikirwa PFe, uye kurasika kurasikirwa Ps kune yakazara kupisa kupisa kwePQ inoverengerwa, sezvakaratidzwa mumufananidzo 1.Iyo yakarongeka mumufananidzo ndiyo reshiyo yekurasikirwa kwakasiyana kwekupisa kusvika pakurasikirwa kwekupisa (%), iyo abscissa isimba remota (kW), mutsara wakatyoka nemadhaimani ndiwo chikamu chekushandiswa kwemhangura, mutsara wakaputsika une masikweya ndiwo. chikamu chearuminiyamu kushandiswa, uye Mutsetse wakatyoka wegonyo ndiyo reshiyo yekurasika kwesimbi, uye mutsara wakatyoka nemuchinjikwa ndiyo reshiyo yekurasika kwekurasika.
Mufananidzo 1. Yakatyoka mutsara chati yechikamu chekushandiswa kwemhangura, kushandiswa kwealuminium, kushandiswa kwesimbi, kurasika kwekurasika uye kurasikirwa kwese kwekupisa kweE series 2-pole motors.
(1) Kana simba remota rachinja kubva padiki kuenda pahombe, kunyangwe chikamu chemhangura inoshandiswa ichichinja, inowanzochinja kubva kuhombe kuenda kudiki, ichiratidza kudzikira. 0.75kW uye 1.1kW nhoroondo yeinenge 50%, nepo 250kW uye 315kW iri pasi peChiyero che20% chekushandisa kwealuminium chakachinjawo kubva kune chikuru kusvika kudiki kazhinji, kuratidza kuderera, asi kuchinja hakusi kukuru.
(2) Kubva padiki kusvika pahombe mota simba, chikamu chekurasikirwa nesimbi chinoshanduka, kunyangwe paine kuchinja-chinja, inowanzowedzera kubva padiki kuenda kuhombe, ichiratidza kukwira kumusoro.0.75kW ~ 2.2kW inenge 15%, uye kana yakakura kudarika 90kW, inodarika 30%, iyo yakakura kudarika kushandiswa kwemhangura.
(3) Shanduko yakaenzana yekurasika kwekurasika, kunyangwe ichichinja-chinja, kazhinji inowedzera kubva padiki kusvika pahombe, ichiratidza kukwira kumusoro.0.75kW ~ 1.5kW inenge 10%, ukuwo 110kW iri pedyo nekushandisa mhangura. Nekutsanangurwa kwakakura kupfuura 132kW, yakawanda yekurasika yakarasika inodarika kushandiswa kwemhangura.Kurasika kwakarasika kwe250kW uye 315kW kunopfuura kurasikirwa kwemhangura nesimbi, uye inova chinhu chekutanga mukurasikirwa kwekupisa.
4-pole mota (mutsara dhayagiramu yakasiiwa).Kurasikirwa kwesimbi pamusoro pe110kW kwakakura kudarika kurasikirwa kwemhangura, uye kurasikirwa kwakarasika kwe250kW uye 315kW kunopfuura kurasikirwa kwemhangura uye kurasikirwa kwesimbi, kuva chinhu chekutanga mukupisa kwekupisa.Huwandu hwekushandiswa kwemhangura uye kushandiswa kwealuminium kweakatevedzana e2-6 pole motors, mota diki inotora 65% kusvika 84% yekurasikirwa nekupisa kwese, uku mota hombe ichidzika kusvika 35% kusvika 50%, nepo iron. kushandiswa kwakapesana, iyo mota diki inoverengera inosvika 65% kusvika 84% yekurasikirwa kwekupisa. Iyo yakazara kupisa kurasikirwa i10% kusvika 25%, nepo mota hombe ichiwedzera kusvika pa26% kusvika 38%.Kurasika kwakarasika, mota diki dzinoita 6% kusvika 15%, nepo mota hombe dzichikwira kusvika 21% kusvika 35%.Kana simba racho rakakura zvakakwana, kurasikirwa kwesimbi kuparara kunodarika kurasikirwa kwemhangura.Dzimwe nguva kurasikirwa kwakarasika kunopfuura kurasikirwa kwemhangura uye kurasikirwa kwesimbi, ichiva chinhu chekutanga mukupisa kwekupisa.
1.2 R yakatevedzana 2-pole mota, yakayerwa kurasika kurasikirwa
Zvinoenderana nemhedzisiro yebvunzo, chiyero chekurasikirwa kwemhangura, kurasikirwa kwesimbi, kurasika kurasikirwa, nezvimwe kune yakazara kupisa kupisa kwePQ kunowanikwa.Mufananidzo 2 unoratidza shanduko yakaenzana musimba remotokari kurasika kurasikirwa kwemhangura.Kurongeka mumufananidzo ndiyo reshiyo yekurasika kwemhangura kurasikirwa kusvika pakurasikirwa kwekupisa (%), iyo abscissa isimba remota (kW), mutsara wakatyoka nemadhaimani chiyero chekurasika kwemhangura, uye mutsara wakaputsika une masikweya. chiyero chekurasika kurasikirwa .Mufananidzo 2 unoratidza zvakajeka kuti kazhinji, iyo yakakura simba remotokari, iyo yakakura chikamu chekurasikirwa kwakarasika kusvika pakurasikirwa kwekupisa, iyo iri kuwedzera.Mufananidzo 2 unoratidzawo kuti kune saizi yakakura kupfuura 150kW, kurasikirwa kwakarasika kunodarika kurasikirwa kwemhangura.Kune akati wandei saizi dzemotor, uye kurasikirwa kwakarasika kwakatoita 1.5 kusvika 1.7 nguva yekurasikirwa kwemhangura.
Simba reiyi nhevedzano ye2-pole motors rinobva pa22kW kusvika 450kW. Chiyero cheyero yekurasika yakayerwa kuPQ yakawedzera kubva pasi pe20% kusvika ingangoita 40%, uye shanduko yekuchinja yakakura kwazvo.Kana zvichiratidzwa nereshiyo yekuyerwa kurasika kurasikirwa kune yakatemerwa kubuda simba, inenge (1.1 ~ 1.3)%; kana zvichiratidzwa nereshiyo yekuyerwa kurasika kurasikirwa kune simba rekuisa, inenge (1.0 ~ 1.2)%, maviri ekupedzisira Reshiyo yeshoko haishanduke zvakanyanya, uye zvakaoma kuona kuenzana kwekuchinja kwerasika. kurasikirwa kuPQ.Naizvozvo, kucherechedza kurasikirwa kwekudziya, kunyanya chiyero chekurasika kurasikirwa kuPQ, kunogona kunzwisisa zviri nani mutemo unochinja wekupisa kurasikirwa.
Iyo yakayerwa kurasika kurasikirwa mumakesi maviri ari pamusoro anotora nzira yeIEEE 112B muUnited States
Mufananidzo 2. Mutsara wechati yereshiyo yekurasika kwemhangura kurasikirwa kusvika kuzere kupisa kurasikirwa kweR yakatevedzana 2-pole mota.
1.3 Y2 akatevedzana mota
Mamiriro ehunyanzvi anoratidza kuti kurasika kwarasika i0.5% yesimba rekuisa, nepo GB/T1032-2005 inotsanangura kukosha kwakakurudzirwa kwekurasikirwa kwakarasika. Zvino tora nzira 1, uye fomula iri Ps=(0.025-0.005×lg(PN))×P1 formula PN- yakayerwa simba; P1- isimba rekuisa.
Isu tinofungidzira kuti iyo yakayerwa kukosha kwekurasikirwa kwakarasika yakaenzana neiyo yakakurudzirwa kukosha, uye zvakare kuverenga iyo electromagnetic calculation, uye nekudaro towana chiyero chechina chekupisa kurasikirwa kwekushandisa mhangura, kushandiswa kwealuminium uye kushandiswa kwesimbi kusvika pakurasikirwa kwekupisa kwePQ. .Kuchinja kwechikamu chayo kunoenderanawo nemitemo iri pamusoro apa.
Ndiko kuti: kana simba richichinja kubva padiki kuenda kuhombe, chikamu chemhangura yekushandisa uye kushandiswa kwealuminium kazhinji kunoderera kubva kuhukuru kuenda kudiki, kuratidza kuderera.Nekune rimwe divi, chikamu chekurasika kwesimbi uye kurasika kwekurasika kunowanzo wedzera kubva padiki kuenda kuhombe, zvichiratidza maitiro ekukwira.Pasinei ne2-pole, 4-pole, kana 6-pole, kana simba rakakura kudarika rimwe simba, kurasikirwa kwesimbi kuchapfuura kurasikirwa kwemhangura; chikamu chekurasika chinorasika chichawedzerawo kubva padiki kusvika kune chikuru, zvishoma nezvishoma chinosvika pakurasikirwa kwemhangura, kana kutopfuura kurasikirwa kwemhangura.Kurasika kwekurasika kweanopfuura 110kW mumatanda maviri kunova chinhu chekutanga mukurasikirwa kwekupisa.
Mufananidzo 3 mutsara wakatyoka girafu yereshiyo yekurasikirwa kwekupisa kuPQ yeY2 yakatevedzana 4-pole mota (tichifunga kuti kuyerwa kukosha kwekurasika kwakaenzana neukoshi hwakurudzirwa pamusoro, uye kumwe kurasikirwa kunoverengerwa zvichienderana nekukosha) .Iyo yakarongeka ndiyo reshiyo yekurasikirwa kwakasiyana kwekupisa kuPQ (%), uye iyo abscissa ndiyo mota simba (kW).Zviripachena, kurasikirwa kwesimbi kunopfuura 90kW kwakakura pane kurasikirwa kwemhangura.
Mufananidzo 3. Iyo yakatyoka mutsara chati yereshiyo yekudyiwa kwemhangura, kushandiswa kwealuminium, kushandiswa kwesimbi uye kurasika kwekurasika kuzere kupisa kurasikirwa kweY2 akatevedzana 4-pole motors.
1.4 Mabhuku anodzidza reshiyo yekurasikirwa kwakasiyana kusvika pakurasikirwa kwese (kusanganisira kukweshera kwemhepo)
Inowanikwa kuti kushandiswa kwemhangura uye kushandiswa kwealuminium kunotora 60% kusvika 70% yekurasikirwa kwese mumatokari maduku, uye kana simba rinowedzera, rinodonha kusvika 30% kusvika 40%, asi kushandiswa kwesimbi kunopesana. % pamusoro.Pakurasika kwarasika, mota diki dzinoita 5% kusvika 10% yekurasikirwa kwese, ukuwo mamotor mahombe anodarika 15%.Mitemo yakaratidzwa yakafanana: ndiko kuti, kana simba richichinja kubva padiki kusvika pahombe, chikamu chekurasikirwa kwemhangura uye kurasikirwa kwealuminium kazhinji kunoderera kubva pakukura kusvika kudiki, zvichiratidza kuderera, nepo chikamu chekurasikirwa kwesimbi uye kurasika kunowedzera kunowedzera kubva. diki kusvika kuhombe, kuratidza kukwira kumusoro. .
1.5 Kuverengera fomura yeyakakurudzirwa kukosha kwekurasika kurasikirwa zvinoenderana neGB/T1032-2005 Method 1
Numerator ndiyo inoyerwa kurasika ukoshi.Kubva padiki kusvika kune hombe mota simba, chikamu chekurasika kurasikirwa kusvika kusimba rekuisa chinoshanduka, uye chinodzikira zvishoma nezvishoma, uye shanduko yemhando haisi diki, ingangoita 2.5% kusvika 1.1%.Kana dhinominata ikashandurwa kuita kurasikirwa kwese ∑P, kureva, Ps/∑P=Ps/P1/(1-η), kana kushanda kwemota kuri 0.667~0.967, kudzokororwa kwe (1-η) i3~ 30, kureva, kuyerwa kusachena Kuenzaniswa nereshiyo yesimba rekuisa, chiyero chekurasa kurasikirwa kusvika pakurasikirwa kwese chinowedzerwa ne3 kusvika ku30 nguva. Iyo yakakwirira simba, nekukurumidza mutsara wakaputsika unosimuka.Zviripachena, kana chiyero chekurasika kurasikirwa kusvika pakurasikirwa kwekupisa kwakatorwa, iyo "magnification factor" yakakura.Kune iyo R yakatevedzana 2-pole 450kW mota mumuenzaniso wepamusoro, chiyero chekurasika kune simba rekuisa Ps/P1 idiki zvishoma pane yakaverengerwa kukosha yakakurudzirwa pamusoro, uye chiyero chekurasika kurasikirwa kusvika pakurasikirwa zvachose ∑P uye kurasikirwa kwese kwekushisa. PQ ndeye 32.8%, zvichiteerana. 39.5%, zvichienzaniswa nereshiyo yesimba rekupinza P1, "yakawedzera" kanenge makumi maviri nemasere uye makumi matatu nemana zvichiteerana.
Nzira yekutarisa uye yekuongorora mubepa rino kutora reshiyo yemhando ina dzekurasikirwa nekupisa kune yakazara kupisa kurasikirwa kwePQ. Chiyero chakakosha chikuru, uye chiyero uye shanduko yemutemo wekurasikirwa kwakasiyana-siyana inogona kuoneka zvakajeka, ndiko kuti, simba kubva kudiki kusvika kune guru, kushandiswa kwemhangura uye kushandiswa kwealuminium Kazhinji, chikamu chakashanduka kubva kune chikuru kusvika kudiki, chinoratidza kuderera. maitiro, nepo chikamu chekurasika kwesimbi uye kurasika kwakachinja kubva padiki kuenda kuhombe, zvichiratidza kukwira kumusoro.Kunyanya, zvakaonekwa kuti iyo yakakura simba remotokari, iyo yakakwirira chikamu chekurasika kurasikirwa muPQ, iyo zvishoma nezvishoma yakasvika pakurasikirwa kwemhangura, yakapfuura kurasikirwa kwemhangura, uye yakatove chinhu chekutanga mukupisa kwekupisa. kurasika kurasikirwa.Kuenzaniswa nereshiyo yekurasika kurasikirwa kune simba rekuisa, chiyero cheyero yakayerwa kurasika kurasikirwa kune yakazara kupisa kurasikirwa inongoratidzwa neimwe nzira, uye haishandure hunhu hwayo.
2. Matanho
Kuziva mutemo wepamusoro unobatsira pakugadzirisa uye kugadzira motokari.Simba remotokari rakasiyana, uye matanho ekuderedza kukwira kwekushisa uye kurasikirwa kwekupisa zvakasiyana, uye kutarisa kwakasiyana.
2.1 Kune mota dzine simba shoma, kushandiswa kwemhangura kunokonzeresa chikamu chepamusoro chekurasikirwa nekupisa
Nokudaro, kuderedza kukwira kwekushisa kunofanira kutanga kuderedza kushandiswa kwemhangura, zvakadai sekuwedzera chikamu chemuchinjikwa wewaya, kuderedza nhamba yemakondukita pane slot, kuwedzera stator slot chimiro, uye kurebesa simbi musimboti.Mufekitari, kukwira kwekushisa kunowanzodzorwa nekudzora kupisa mutoro AJ, iyo yakakwana zvakakwana kune madiki motors.Kudzora AJ ndiko kudzora kurasikirwa kwemhangura. Hazvina kuoma kuwana stator mhangura kurasikirwa kwemotokari yose maererano neAJ, iyo yemukati dhayamita ye stator, hafu-kutendeuka kureba kwekoiri, uye resistivity yetambo yemhangura.
2.2 Kana simba richichinja kubva padiki kusvika pahombe, kurasikirwa kwesimbi zvishoma nezvishoma kunosvika pakurasikirwa kwemhangura
Kushandiswa kwesimbi kunowanzopfuura kushandiswa kwemhangura kana yakakura kudarika 100kW.Naizvozvo, mota dzakakura dzinofanira kutarisisa kudzikisira kushandiswa kwesimbi.Kune matanho chaiwo, pasi-kurasikirwa nesilicon simbi mashizha anogona kushandiswa, iyo magnetic density ye stator haifaniri kunge yakanyanyisa, uye kutarisa kunofanira kubhadharwa kune kugoverwa kunonzwisisika kwemagineti density yechikamu chimwe nechimwe.
Mamwe mafekitori anogadziridza mamwe ma-high-power motors uye zvakakodzera kuderedza stator slot chimiro.Iyo magnetic density distribution inonzwisisika, uye chiyero chekurasikirwa kwemhangura uye kurasikirwa kwesimbi kunogadziriswa zvakanaka.Kunyange zvazvo stator yemazuva ano density inowedzera, kupisa kwemoto kunowedzera, uye kurasikirwa kwemhangura kunowedzera, stator magnetic density inoderera, uye kurasikirwa kwesimbi kunoderera kupfuura kurasikirwa kwemhangura kunowedzera.Kuita kwakaenzana nekugadzirwa kwepakutanga, kwete chete kukwira kwekushisa kunoderedzwa, asiwo mhangura inoshandiswa mu stator inoponeswa.
2.3 Kuderedza kurasikirwa kwakarasika
Ichi chinyorwa chinosimbisa kutiyakakura simba remotokari, kunyanya kunofanirwa kubhadharwa kudzikisa kurasikirwa kwakarasika.Maonero ekuti "kurasika kurasikirwa kwakanyanya kudiki pane kurasikirwa kwemhangura" kunoshanda chete kumamota madiki.Zviri pachena, maererano nekucherechedza uye kuongororwa kwepamusoro, iyo yakakwirira simba, iyo isingakodzeri zvishoma.Maonero ekuti "kurasika kurasikirwa kudiki pane kurasikirwa nesimbi" hakunawo kufanira.
Chiyero chechiyero chakayerwa chekurasika kurasikirwa kune simba rekuisa chakakwira kune madiki motors, uye chiyero chakaderera kana simba rakakura, asi hazvigone kugumiswa kuti mota diki dzinofanira kutarisisa kudzikisa kurasika kurasikirwa, nepo mota hombe dzichiita. hazvidi kuderedza kurasikirwa kwakarasika. kurasikirwa.Kusiyana neizvi, maererano nemuenzaniso wepamusoro uye kuongorora, kukura kwesimba remotokari, kunowedzera chikamu chekurasika kwekurasikirwa mukupisa kwese kwekupisa, kurasika uye kurasikirwa kwesimbi kuri pedyo kana kutopfuura kurasikirwa kwemhangura, saka iyo yakakura. simba remotokari, kunyanya kunofanira kubhadharwa kwairi. Deredza kurasikirwa kwakarasika.
2.4 Matanho ekudzikisa kurasikirwa kwakarasika
Nzira dzekudzikisa kurasikirwa dzakarasika, dzakadai sekuwedzera gap remhepo, nekuti kurasikirwa kwakarasika kunenge kwakapesana nehupamhi hwepakati pemhepo; kuderedza simba remagineti, sekushandisa sinusoidal (low harmonic) windings; zvakakodzera slot fit; kuderedza cogging , Iyo rotor inotora yakavharwa slot, uye yakavhurika slot ye-high-voltage mota inotora magineti slot wedge; cast aluminium rotor shelling treatment inoderedza lateral current, zvichingodaro.Zvakakosha kuziva kuti matanho ari pamusoro apa kazhinji haadi kuwedzerwa kwezvinhu zvinoshanda.Kushandiswa kwakasiyana-siyana kune hukamawo nekudziya mamiriro emota, senge yakanaka kupisa kupisa kwemhepo, kuderera kwemukati tembiricha yemota, uye kushomeka kwakasiyana kushandiswa.
Muenzaniso: Fekitori inogadzirisa mota ine mapango matanhatu uye 250kW.Mushure mekugadzirisa bvunzo, kukwira kwekushisa kwasvika 125K pasi pe75% yemutoro wakayerwa.Mupopo wemhepo unozogadzirwa kusvika ka1.3 pane saizi yekutanga.Muyedzo pasi pemutoro wakayerwa, tembiricha yakakwira yakadzika kusvika pa81K, iyo inoratidza zvizere kuti gaka remhepo rawedzera uye kurasika kwakadzikira.Harmonic magineti kugona chinhu chakakosha chekurasika kurasikirwa. Medium uye yakakura mamotor motors anoshandisa sinusoidal windings kudzikisa harmonic magineti anogona, uye mhedzisiro yacho kazhinji yakanaka kwazvo.Yakagadzirwa zvakanaka sinusoidal windings inoshandiswa kune yepakati uye yakakwirira-simba motors. Kana iyo harmonic amplitude uye amplitude zvakaderedzwa ne 45% kusvika 55% zvichienzaniswa nekugadzirwa kwepakutanga, kurasikirwa kwekurasika kunogona kuderedzwa ne 32% kusvika ku55%, kana zvisina kudaro kukwira kwekushisa kuchaderedzwa, uye kubudirira kuchawedzera. , ruzha rwakaderedzwa, uye rinogona kuchengetedza mhangura nesimbi.
3. Mhedziso
3.1 Matatu-chikamu AC mota
Kana simba richichinja kubva padiki kuenda pahombe, chikamu chekushandisa mhangura uye kushandiswa kwealuminium kusvika pakurasikirwa kwese kwekushisa kunowanzo wedzera kubva kuhukuru kuenda kudiki, nepo chikamu chekushandiswa kwesimbi kurasika kunowedzera kubva padiki kuenda kuhombe.Kumamotor madiki, kurasikirwa kwemhangura kunokonzeresa chikamu chepamusoro chekurasikirwa nekupisa kwese. Sezvo simba remotokari richiwedzera, kurasika kurasika uye kurasikirwa kwesimbi kunosvika uye kudarika kurasikirwa kwemhangura.
3.2 Kuderedza kupisa kurasikirwa
Simba remotokari rakasiyana, uye kutarisa kwematanho akatorwa kwakasiyanawo.Kune injini duku, kushandiswa kwemhangura kunofanira kuderedzwa kutanga.Kune epakati uye yepamusoro-simba mota, kutarisisa kwakanyanya kunofanirwa kubhadharwa kudzikisa kurasikirwa kwesimbi uye kurasika kurasikirwa.Maonero ekuti "kurasika kurasikirwa kudiki pane kurasikirwa nendarira uye kurasikirwa nesimbi" kune rimwe divi.
3.3 Chiyero chekurasika kurasikirwa mukupisa kwese kwekurasikirwa kwemamota makuru kwakakwira
Iri bepa rinosimbisa kuti iyo yakakura simba remotokari, kutarisisa kwakanyanya kunofanirwa kubhadharwa kudzikisa kurasika kurasikirwa.
Nguva yekutumira: Jul-01-2022