IThekhnoloji ye-High Speed ​​Motor Drive kunye neNdlela yoPhuhliso

Iinjini zesantya esiphezulubafumana ingqwalaselo eyongeziweyo ngenxa yeenzuzo zabo ezicacileyo ezifana nokuxinana kwamandla aphezulu, ubungakanani obuncinci kunye nobunzima, kunye nokusebenza kakuhle. Inkqubo esebenzayo nezinzileyo yokuqhuba isitshixo sokusebenzisa ngokupheleleyo ukusebenza okugqwesileyo kweiinjini ezinesantya esiphezulu. Eli nqaku ikakhulu lihlalutya ubunzima beInjini enesantya esiphezuluqhuba iteknoloji kwimiba yeqhinga lolawulo, uqikelelo lwekona, kunye noyilo lwetopology yamandla, kwaye ishwankathela iziphumo zophando lwangoku ekhaya nakumazwe aphesheya. Emva koko, ishwankathela kwaye ilindele indlela yophuhliso lweInjini enesantya esiphezuluiteknoloji yokuqhuba.

Icandelo 02 Umxholo woPhando

Iinjini zesantya esiphezuluzineenzuzo ezininzi ezifana nokuxinana kwamandla aphezulu, umthamo omncinci kunye nobunzima, kunye nokusebenza kakuhle. Zisetyenziswa ngokubanzi kwiinkalo ezifana ne-aerospace, ukhuselo lwelizwe kunye nokhuseleko, imveliso kunye nobomi bemihla ngemihla, kwaye ziyimfuneko yomxholo wophando kunye nolwalathiso lophuhliso namhlanje. Kwizicelo zomthwalo ohamba ngesantya esiphezulu onje nge-spindles zombane, i-turbomachinery, i-micro-gas turbines, kunye nokugcinwa kwamandla e-flywheel, ukusetyenziswa kwee-motor ezinesantya esiphezulu kunokufikelela kubume bokuqhuba ngokuthe ngqo, kuphelise izixhobo eziguquguqukayo zesantya, ukunciphisa kakhulu umthamo, ubunzima, kunye neendleko zokuyigcina. , ngelixa iphucula kakhulu ukuthembeka, kwaye inethuba elibanzi kakhulu lesicelo.Iinjini zesantya esiphezulungokuqhelekileyo ibhekisela kwizantya ezidlula i-10kr/min okanye amaxabiso obunzima (imveliso yesantya kunye nengcambu yamandla) edlula i-1 × Imoto ye-105 iboniswe kuMfanekiso 1, ethelekisa idatha efanelekileyo yezinye iiprototypes ezimele iinjini ezinesantya esiphezulu zombini ngaphakathi. nakwamanye amazwe. Umgca odayiweyo kuMfanekiso 1 ngu-1 × 105 inqanaba lobunzima, njl

1,Ubunzima kwi-High Speed ​​Motor Drive Technology

1. Imiba yozinzo lweSistim kumaza aphakamileyo asisiseko

Xa i-motor ikwimo yokusebenza ephezulu esisiseko sokusebenza, ngenxa yemida efana nexesha loguqulo lwe-analog ukuya kwidijithali, ixesha lokulawula i-algorithm yedijithali, kunye nokutshintsha kwe-inverter frequency, i-frequency carrier ye-high-speed motor drive system isezantsi kakhulu. , okubangela ukwehla okukhulu ekusebenzeni kweemoto.

2. Ingxaki ye-high-precision rotor position estimation in fundamental frequency

Ngexesha lokusebenza ngesantya esiphezulu, ukuchaneka kwesikhundla se-rotor kubalulekile ekusebenzeni kwemoto. Ngenxa yokuthembeka okuphantsi, ubungakanani obukhulu, kunye neendleko eziphezulu ze-sensor isikhundla somatshini, i-algorithms engenazinzwa zihlala zisetyenziselwa kwiinkqubo zokulawula iimoto ezihamba ngesantya esiphezulu. Nangona kunjalo, phantsi kweemeko eziphezulu zokusebenza ezisisiseko, ukusetyenziswa kwe-algorithms ye-sensorless ye-algorithms kuchaphazeleka kwizinto ezingafanelekanga ezifana ne-inverter nonlinearity, i-harmonics yendawo, izihlungi ze-loop, kunye nokuphambuka kweparamitha ye-inductance, okukhokelela kwiimpazamo ezibalulekileyo zoqikelelo lwendawo ye-rotor.

3. Ukunciphisa i-Ripple kwiinkqubo ze-motor drive drive

I-inductance encinci yeenjini ezinesantya esiphezulu ngokuqinisekileyo ikhokelela kwingxaki ye-ripple yangoku enkulu. Ilahleko eyongeziweyo yobhedu, ilahleko yentsimbi, i-torque ripple, kunye nengxolo yokungcangcazela ebangelwa yi-ripple ephezulu yangoku inokonyusa kakhulu ilahleko yeenkqubo zemoto ezinesantya esiphezulu, ukunciphisa ukusebenza kweemoto, kunye nokuphazamiseka kombane okubangelwa yingxolo ephezulu yokungcangcazela kunokukhawulezisa ukuguga. umqhubi. Le miba ingasentla ichaphazela kakhulu ukusebenza kweenkqubo zokuqhuba iimoto ezinesantya esiphezulu, kwaye uyilo lokulungiswa kweesekethe zehardware yelahleko ephantsi lubalulekile kwiinkqubo zokuqhuba ngesantya esiphezulu. Isishwankathelo, uyilo lwenkqubo ye-motor drive yesantya esiphezulu ifuna ukuqwalaselwa ngokubanzi kwezinto ezininzi, kubandakanywa ukudibanisa i-loop yangoku, ukulibaziseka kwenkqubo, iimpazamo zeparameter, kunye nobunzima bobugcisa obufana nokunyanzeliswa kwe-ripple yangoku. Yinkqubo entsonkothileyo kakhulu ebeka iimfuno eziphezulu kubuchule bolawulo, ukuchaneka koqikelelo lwendawo yerotor, kunye noyilo lwetopology yamandla.

I-2, iSicwangciso soLawulo lweNkqubo yokuQhuba iiMoto eziPhakamileyo

1. Ukwenziwa kweModeli yeNkqubo yoLawulo lweeMoto ezikhawulezayo

Iimpawu zesantya esiphezulu sokusebenza okuhamba rhoqo kunye nomlinganiselo ophantsi we-carrier frequency in high-speed motor drive systems, kunye nefuthe lokudibanisa imoto kunye nokulibaziseka kwinkqubo, ayinakuhoywa. Ke ngoko, ukuqwalasela ezi zinto zimbini zingasentla, ukwenza imodeli kunye nokuhlalutya ukwakhiwa kwakhona kweenkqubo zokuqhuba iimoto ezinesantya esiphezulu sisitshixo sokuqhubela phambili nokuphucula ukusebenza kweemoto ezinesantya esiphezulu.

2. ITekhnoloji yoLawulo lwe-Decoupling yeeMoto eziPhakamileyo

Obona buchwepheshe busetyenziswa kakhulu kwiinkqubo zokuqhuba iimoto eziphezulu lulawulo lweFOC. Ukuphendula kwingxaki enkulu yokudibanisa ebangelwa kukusebenza okuphezulu rhoqo, olona khokelo lophando lukhoyo ngoku kukuqhawula izicwangciso zolawulo. Izicwangciso zolawulo lokuqhawula uqhagamshelo olufundiweyo ngoku lunokwahlulwa ikakhulu ngokwemodeli esekelwe kwizicwangciso zolawulo lokuqhawula, imbuyekezo yokuphazamiseka esekelwe kwizicwangciso zolawulo lokuqhawula, kunye nezicwangciso eziliqili zokulawula ukuqhawuka kwe-vector. Imodeli esekelwe kwizicwangciso zolawulo lokuqhawula ikakhulu ibandakanya ukuqhawulwa kwe-feedforward kunye nokuqhawulwa kwengxelo, kodwa esi sicwangciso sinovakalelo kwiiparamitha zemoto kwaye sinokukhokelela ekungazinzini kwenkqubo kwiimeko zeempazamo ezinkulu zeparameter, kwaye ayikwazi ukufezekisa ukuqhawula ngokupheleleyo. Ukusebenza kakubi kokudibanisa okuguquguqukayo kunciphisa usetyenziso lwayo. Amacebo amabini okugqibela okuphelisa umanyano ngoku ziindawo ezithandwa kakhulu kuphando.

3. Ukulibaziseka kweTekhnoloji yeMbuyekezo kwiiNkqubo zeMoto eziPhakamileyo

Itekhnoloji yokulawula i-Decoupling inokusombulula ngokufanelekileyo ingxaki yokudityaniswa kweenkqubo zokuqhuba iimoto ezinesantya esiphezulu, kodwa ikhonkco lokulibaziseka elaziswa ngokulibaziseka lisekhona, ngoko ke imbuyekezo esebenzayo esebenzayo yokulibaziseka kwenkqubo iyafuneka. Okwangoku, kukho iindlela ezimbini eziphambili zembuyekezo ezisebenzayo zokulibaziseka kwenkqubo: izicwangciso zembuyekezo ezisekelwe kwimodeli kunye nomzekelo wezicwangciso zembuyekezo ezizimeleyo.

Icandelo 03 Isiphelo soPhando

Ngokusekwe kwimpumelelo yophando lwangoku kwiInjini enesantya esiphezuluqhuba iteknoloji kuluntu lwezemfundo, kudityaniswe neengxaki ezikhoyo, uphuhliso kunye nezalathiso zophando lweenjini ezinesantya esiphezulu ikakhulu zibandakanya: 1) uphando malunga noqikelelo oluchanekileyo lwemiba ephezulu yangoku kunye nemiba enxulumene nokulibaziseka kwembuyekezo; 3) Uphando malunga ne-algorithms yokulawula ukusebenza okuphezulu kwiimotor ezinesantya esiphezulu; 4) Uphando malunga noqikelelo oluchanekileyo lwendawo yekona kunye nemodeli yoqikelelo lwendawo ye-rotor yesantya esipheleleyo seemotor zesantya esiphezulu; 5) Uphando kwitekhnoloji yembuyekezo epheleleyo yeempazamo kwiimodeli zoqikelelo lwendawo enesantya esiphezulu; I-6) Uphando kwi-Frequency High kunye nelahleko ephezulu ye-Speed ​​​​Motor Power Topology.