Ngokuphuhliswa kwezinto ezinqabileyo zemagnethi zomhlaba ezisisigxina kwiminyaka yoo-1970, iimotor zemagnethi ezisisigxina zomhlaba zabakho. Iimotor zemagnethi ezisisigxina zisebenzisa iimagnethi zomhlaba ezinqabileyo ezisisigxina zokuvuselela, kwaye iimagnethi ezisisigxina zinokuvelisa umhlaba osisigxina wemagnethi emva kokwenza umazibuthe. Ukusebenza kwayo okuchulumancisayo kugqwesileyo, kwaye iphezulu kwiimotor zokuvuselela umbane ngokozinzo, umgangatho, kunye nokunciphisa ilahleko, okuthe kwashukumisa imakethi yemveli yeemoto.

Kwiminyaka yakutshanje, ngophuhliso olukhawulezayo lwesayensi kunye netekhnoloji yanamhlanje, ukusebenza kunye netekhnoloji yemathiriyeli ye-electromagnetic, ngakumbi izinto ezinqabileyo zombane womhlaba, ziye zaphuculwa ngokuthe ngcembe. Idityaniswe nophuhliso olukhawulezayo lwezixhobo ze-elektroniki, itekhnoloji yothumelo lwamandla kunye netekhnoloji yolawulo oluzenzekelayo, ukusebenza kweenjini ezisisigxina zemagnethi ezihambelanayo kuya kubangcono nangcono.

Ngaphaya koko, iimotor zemagnethi ezisisigxina zinezibonelelo zobunzima bokukhanya, ulwakhiwo olulula, ubungakanani obuncinci, iimpawu ezintle kunye noxinzelelo lwamandla aphezulu. Amaziko amaninzi ophando lwezenzululwazi kunye namashishini aqhuba uphando kunye nophuhliso lweenjini ezisisigxina zemagnethi ezihambelanayo, kwaye iindawo zabo zesicelo ziya kwandiswa ngakumbi.

1.Isiseko sophuhliso lwemagnethi esisigxina ye-synchronous motor

a.Ukusetyenziswa komgangatho ophezulu wezinto ezinqabileyo zemagnethi emhlabeni

Izinto zemagnethi ezinqabileyo zomhlaba zidlule kwizigaba ezithathu: SmCo5, Sm2Co17, kunye ne-Nd2Fe14B. Okwangoku, izixhobo zemagnethi ezisisigxina ezimelwe yi-NdFeB ziye zaba lolona hlobo lusetyenziswa kakhulu lwezixhobo zemagnethi ezisisigxina emhlabeni ngenxa yeempawu zazo ezintle zemagneti. Uphuhliso lwezixhobo zemagnethi ezisisigxina luqhube uphuhliso lweemotor ezisisigxina zemagnethi.

Xa kuthelekiswa nesiqhelo sesithathu senqanaba le-motor induction kunye ne-excitation yombane, imagnethi esisigxina ithatha indawo ye-pole excitation pole, yenza lula isakhiwo, ikhuphe i-ring ring kunye ne-brush ye-rotor, iqonda isakhiwo se-brushless, kunye nokunciphisa ubukhulu be-rotor. Oku kuphucula uxinano lwamandla, ubuninzi betorque kunye nokusebenza kakuhle kwemoto, kwaye kwenza imoto ibencinci kwaye ibe khaphukhaphu, yandisa ngakumbi indawo yesicelo kunye nokukhuthaza uphuhliso lweemotor zombane ukuya kumandla aphezulu.

b.Ukusetyenziswa kwethiyori yolawulo entsha

Kwiminyaka yakutshanje, i-algorithms yokulawula iphuhliswe ngokukhawuleza. Phakathi kwazo, ii-algorithms zokulawula i-vector ziye zasombulula ingxaki yesicwangciso sokuqhuba kwii-motor ze-AC ngokomgaqo, okwenza ii-motor ze-AC zibe nokusebenza kakuhle kokulawula. Ukuvela kokulawulwa kwe-torque ngokuthe ngqo kwenza ukuba ulwakhiwo lolawulo lube lula, kwaye luneempawu zokusebenza kwesekethe eyomeleleyo yotshintsho lweparameter kunye nesantya sokuphendula esiguqukayo esikhawulezayo. Itekhnoloji yokulawula i-torque engathanga ngqo isombulula ingxaki ye-torque enkulu ye-torque pulsation ye-torque ethe ngqo ngesantya esiphantsi, kwaye iphucula isantya kunye nokulawula ukuchaneka kwemoto.

c.Ukusetyenziswa kwezixhobo zombane ezisebenza ngamandla kunye neeprosesa

Itekhnoloji ye-elektroniki yamandla anamhlanje lunxibelelwano olubalulekileyo phakathi koshishino lolwazi kunye namashishini emveli, kunye nebhulorho phakathi kwangoku obuthathaka kunye nokulawulwa kwamandla akhoyo. Ukuphuhliswa kobuchwepheshe be-electronics bamandla kwenza ukuba kufezekiswe izicwangciso zokulawula ukuqhuba.

Ngeminyaka yoo-1970, kwavela uthotho lwee-inverters zenjongo ngokubanzi, ezinokuguqula amandla amatyeli emveliso abe ngamandla aguquguqukayo atshintshatshintshayo ngokuqhubekayo, ngaloo ndlela kudala iimeko zolawulo lwezantya eziguquguqukayo zamandla e-AC. Ezi ziguquli zinamandla okuqalisa okuthambileyo emva kokuba i-frequency iseti, kwaye i-frequency inokunyuka ukusuka kwi-zero ukuya kwi-frequency ebekiweyo kwizinga elithile, kwaye izinga lokunyuka linokuhlengahlengiswa ngokuqhubekayo ngaphakathi koluhlu olubanzi, ukusombulula ingxaki yokuqala yee-motor synchronous.

2.Imeko yophuhliso lweenjini ezisisigxina zemagnethi ezihambelanayo ekhaya naphesheya

Injini yokuqala ezimbalini yayiyinjini yemagnethi esisigxina. Ngelo xesha, ukusebenza kwezixhobo zemagnethi esisigxina kwakungelula kakhulu, kwaye amandla okunyanzeliswa kunye nokugcinwa kweemagnethi ezisisigxina zaziphantsi kakhulu, ngoko ke zatshintshwa ngokukhawuleza iinjini zokuvuselela umbane.

Ngeminyaka yoo-1970, izinto ezinqabileyo zemagnethi zomhlaba ezisisigxina ezimelwe yi-NdFeB zazinamandla amakhulu okunyanzeliswa, i-remanence, isakhono esinamandla se-demagnetization kunye nemveliso yamandla kamagnetic, eyenze ukuba iimotor zemagnethi ezisisigxina zivele kwinqanaba lembali. Ngoku, uphando kwiimotor ezisisigxina zemagnethi ezihambelanayo ziya zikhula ngakumbi, kwaye ziphuhla zisiya kwisantya esiphezulu, itorque ephezulu, amandla aphezulu kunye nokusebenza okuphezulu.

Kwiminyaka yakutshanje, notyalo-mali olomeleleyo lwabaphengululi basekhaya kunye norhulumente, iimotor zemagnethi ezisisigxina ziye zakhula ngokukhawuleza. Ngophuhliso lwetekhnoloji ye-microcomputer kunye netekhnoloji yolawulo oluzenzekelayo, iimotor zemagnethi ezisisigxina zisetyenziswe ngokubanzi kwiinkalo ezahlukeneyo. Ngenxa yenkqubela phambili yoluntu, iimfuno zabantu zeenjini zemagnethi ezisisigxina ziye zaqina ngakumbi, zikhuthaza iimotor ezisisigxina ukuba ziphuhlisele kuluhlu lolawulo lwesantya esikhulu kunye nolawulo oluchanekileyo oluphezulu. Ngenxa yokuphuculwa kweenkqubo zemveliso yangoku, izixhobo zemagnethi ezisebenza ngokusisigxina ziye zaphuhliswa ngakumbi. Oku kunciphisa kakhulu iindleko zayo kwaye ngokuthe ngcembe isebenzise kwiinkalo ezahlukeneyo zobomi.

3. Itekhnoloji yangoku

a. Imagnethi esisigxina yoyilo lobuchwephesha boyilo lweemoto

Xa kuthelekiswa neenjini eziqhelekileyo zokuvuselela umbane, iimotor zemagnethi ezisisigxina azinamoya wokuvuselela umbane, amakhonkco okuqokelela kunye neekhabhathi zokuvuselela, eziphucula kakhulu nje kuphela ukuzinza kunye nokuthembeka, kodwa kunye nokusebenza kakuhle.

Phakathi kwazo, iimotor zemagnethi ezakhelwe ngaphakathi ezisisigxina zinezibonelelo zokusebenza okuphezulu, amandla aphezulu, uxinaniso lwamandla eyunithi, amandla anamandla okwandisa isantya semagnethi kunye nesantya sokuphendula esiguqukayo, sibenza ukhetho olufanelekileyo lokuqhuba iimoto.

Iimagnethi ezisisigxina zibonelela ngawo wonke umhlaba ovuselelayo wemagnethi esisigxina, kwaye i-torque yecogging iya konyusa ukungcangcazela kunye nengxolo yemoto ngexesha lokusebenza. I-torque ye-cogging egqithisileyo iya kuchaphazela ukusebenza kwesantya esisezantsi senkqubo yokulawula isantya semoto kunye nokubekwa ngokuchanekileyo kwenkqubo yokulawula indawo. Ke ngoko, xa uyila i-motor, i-torque ye-cogging kufuneka incitshiswe kangangoko kunokwenzeka ngokulungiswa kwemoto.

Ngokutsho kophando, iindlela eziqhelekileyo zokunciphisa i-torque ye-cogging ziquka ukutshintsha i-coefficient ye-arc, ukunciphisa ububanzi be-slot ye-stator, ukufanisa i-skew slot kunye ne-pole slot, ukutshintsha indawo, ubungakanani kunye nokumila kwe-pole magnetic, njl. , kufuneka kuqatshelwe ukuba xa unciphisa i-cogging torque, inokuchaphazela enye intsebenzo yemoto, njenge-torque ye-electromagnetic inokuncipha ngokufanelekileyo. Ke ngoko, xa uyila, izinto ezahlukeneyo kufuneka zilungelelaniswe kangangoko kunokwenzeka ukuze kuphunyezwe ukusebenza kakuhle kweemoto.

b.Imagnethi esisigxina yokulinganisa iteknoloji yokulinganisa injini

Ubukho beemagnethi ezisisigxina kwiimotor zemagnethi ezisisigxina kwenza kube nzima kubaqulunqi ukubala iiparamitha, ezinje ngoyilo lwe-no-load leakage flux coefficient kunye ne-arc coefficient. Ngokubanzi, isoftware yokuhlalutya into enesiphelo isetyenziselwa ukubala kunye nokwandisa iiparamitha zeemotor ezisisigxina zemagnethi. Isoftware yohlalutyo lwento egqityiweyo inokubala iiparamitha zemoto ngokuchanekileyo, kwaye inokwethenjelwa kakhulu ukuyisebenzisa ukuhlalutya impembelelo yeeparamitha zemoto ekusebenzeni.

Indlela yokubala yezinto ezinomda yenza kube lula, ngokukhawuleza kwaye ichaneke ngakumbi kuthi ukubala kunye nokuhlalutya intsimi ye-electromagnetic yeenjini. Le yindlela yamanani ephuhliswe ngokwesiseko sendlela yomahluko kwaye isetyenziswe ngokubanzi kwisayensi nobunjineli. Sebenzisa iindlela zemathematika ukucalula imimandla yesisombululo esiqhubekayo ngokwamaqela eeyunithi, kwaye emva koko udibanise kwiyunithi nganye. Ngale ndlela, umsebenzi we-linear interpolation wenziwa, oko kukuthi, umsebenzi oqikelelweyo ulinganiswe kwaye uhlalutywe kusetyenziswa izinto ezinomda, ezisivumela ukuba sijonge ngokubonakalayo isalathiso semigca yemagnethi kunye nokuhanjiswa koxinaniso lwemagnethi phakathi kwemoto.

c.Imagnethi esisigxina yokulawula iteknoloji ye-synchronous motor

Ukuphucula ukusebenza kweenkqubo zokuqhuba iimoto nako kubaluleke kakhulu kuphuhliso lwecandelo lolawulo lwemizi-mveliso. Yenza ukuba inkqubo iqhutywe ngeyona ndlela ilungileyo yokusebenza. Iimpawu zayo ezisisiseko zibonakaliswa kwisantya esisezantsi, ngakumbi kwimeko yokuqalisa ngokukhawuleza, ukukhawuleza kwe-static, njl., Inokuvelisa i-torque enkulu; kwaye xa uqhuba ngesantya esiphezulu, unokufezekisa ulawulo lwesantya samandla rhoqo kuluhlu olubanzi. Uluhlu loku-1 luthelekisa ukusebenza kweenjini ezininzi ezinkulu.

Njengoko kunokubonwa kwiThebhile yoku-1, iimotor zemagnethi ezisisigxina zinokuthenjwa okuhle, uluhlu olubanzi lwesantya kunye nokusebenza okuphezulu. Ukuba kudityaniswe nendlela yokulawula ehambelanayo, yonke inkqubo yeemoto inokufezekisa ukusebenza kakuhle. Ngoko ke, kuyimfuneko ukukhetha i-algorithm efanelekileyo yokulawula ukufezekisa ukulawulwa kwesantya esisebenzayo, ukwenzela ukuba inkqubo yokuqhuba imoto ikwazi ukusebenza kwindawo yokulawula isantya esibanzi kunye noluhlu lwamandla rhoqo.

Indlela yokulawula i-vector isetyenziswa ngokubanzi kwi-algorithm yokulawula isantya semagnethi esisigxina. Ineenzuzo zoluhlu olubanzi lolawulo lwesantya, ukusebenza kakuhle okuphezulu, ukuthembeka okuphezulu, uzinzo oluhle kunye neenzuzo ezilungileyo zoqoqosho. Isetyenziswa ngokubanzi kwi-motor drive, uthutho lukaloliwe kunye ne-servo yesixhobo somatshini. Ngenxa yosetyenziso olwahlukileyo, isicwangciso sangoku solawulo lwe-vector esamkelweyo sikwahlukile.

4. Iimpawu zemagnethi esisigxina ye-synchronous motor

Imagnethi esisigxina ye-synchronous motor inesakhiwo esilula, ilahleko ephantsi kunye namandla aphezulu. Xa kuthelekiswa nemoto yokuvuselela umbane, kuba azikho iibhrashi, abahambisi kunye nezinye izixhobo, akukho mfuneko yokuvuselela i-reactive, ngoko ke i-stator yangoku kunye nelahleko yokuchasana incinci, ukusebenza kakuhle kuphezulu, i-torque yokuvuselela inkulu, kunye nokusebenza kolawulo. kungcono. Nangona kunjalo, kukho izinto ezingalunganga ezifana neendleko eziphezulu kunye nobunzima ekuqaliseni. Ngenxa yosetyenziso lwetekhnoloji yolawulo kwiimotor, ngakumbi ukusetyenziswa kweenkqubo zokulawula i-vector, iimotor ezisisigxina zemagnethi ezihambelanayo zinokufikelela kulawulo olubanzi lwesantya, impendulo eguquguqukayo kunye nolawulo oluchanekileyo oluchanekileyo, ngoko ke iimotor ezisisigxina zemagnethi ziya kutsala abantu abaninzi ukuba baqhube. uphando olunzulu.

Iimpawu 5.Technical of Anhui Mingteng umazibuthe esisigxina motor synchronous motor

a. I-motor inamandla aphezulu kunye nomgangatho ophezulu wegridi yamandla. Akukho mbuyiseli wento yamandla efunekayo, kwaye umthamo wesixhobo sesikhululo esisezantsi unokusetyenziswa ngokupheleleyo;

b. Injini yemagnethi esisigxina iyachulumanciswa ziimagnethi ezisisigxina kwaye isebenza ngokuhambelanayo. Akukho ukukhawuleza kwesantya, kwaye ukuchasana kwemibhobho akunyuswanga xa uqhuba abalandeli kunye neepompo;

c. I-motor yemagnethi esisigxina inokuthi iyilwe kunye ne-torque ephezulu yokuqalisa (ngamaxesha angaphezu kwama-3) kunye nomthamo ophezulu wokulayisha njengoko kufuneka, ngaloo ndlela isombulula Isiganeko "sehashe elikhulu elitsala inqwelo encinci";

d. I-reactive current ye-motor ye-asynchronous eqhelekileyo iqhelekile malunga namaxesha angama-0.5-0.7 exesha elilinganisiweyo. Mingteng umazibuthe esisigxina motor synchronous akafuni excitation yangoku. I-reactive current ye-magnetic motor esisigxina kunye ne-asynchronous motor imalunga ne-50% eyahlukileyo, kwaye eyona nto isebenzayo ngoku imalunga ne-15% ngaphantsi kwemoto ye-asynchronous;

e. I-motor inokuthi iyilwe ukuba iqale ngokuthe ngqo, kwaye imilinganiselo yokufakela yangaphandle iyafana naleyo yeemotor ezisetyenziswa ngoku ngokubanzi, ezinokuthi zithathe indawo ngokupheleleyo iinjini ze-asynchronous;

f. Ukongeza umqhubi unokufezekisa isiqalo esithambileyo, ukumisa okuthambileyo, kunye nommiselo wesantya esingenanyathelo, ngempendulo elungileyo eguquguqukayo kunye nesiphumo esiphuculweyo sokugcina amandla;

g. I-motor inezakhiwo ezininzi ze-topological, ezihlangabezana ngqo neemfuno ezisisiseko zezixhobo zoomatshini kuluhlu olubanzi naphantsi kweemeko ezinzima;

h. Ukuze kuphuculwe ukusebenza kakuhle kwenkqubo, mfutshane ikhonkco lothumelo, kunye nokunciphisa iindleko zogcino, isantya esiphezulu nesisezantsi sokuqhuba ngokuthe ngqo iimotor zemagnethi ezilungelelanisiweyo zinokuyilwa kwaye zenziwe ukuba zihlangabezane neemfuno eziphezulu zabasebenzisi.

I-Anhui Mingteng eSisigxina-oomatshini bakaMagnetic & neZixhobo zoMbane Co., Ltd.https://www.mingtengmotor.com/) yasekwa ngo-2007. Lishishini lobugcisa obuphezulu obukhethekileyo kuphando nophuhliso, imveliso kunye nentengiso ye-ultra-high esebenzayo esisigxina yemagnethi yeemotor synchronous. Inkampani isebenzisa ithiyori yoyilo lwemoto yanamhlanje, isoftware yoyilo lobuchwephesha kunye nenkqubo yoyilo lwemagnethi esisigxina ukulinganisa intsimi ye-electromagnetic, indawo yolwelo, indawo yobushushu, indawo yoxinzelelo, njl.njl. inqanaba lokusebenza kakuhle kwamandla enjini, kwaye ngokusisiseko uqinisekise ukusetyenziswa okuthembekileyo kwemotor esisigxina yemagnethi.

Ilungelo lokushicilela: Eli nqaku lishicilelwe kwakhona inombolo yoluntu ye-WeChat "i-Motor Alliance", ikhonkco lokuqalahttps://mp.weixin.qq.com/s/tROOkT3pQwZtnHJT4Ji0Cg

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