Hindura gahunda yo kugenzura moteri, kandi 48V sisitemu yo gutwara amashanyarazi ibona ubuzima bushya

Intego yibinyabiziga byamashanyarazi kugenzura moteri.Muri iyi nyandiko, ihame rya nyenyeri-delta itangira gukoreshwa mu nganda ikoreshwa mugutezimbere kugenzura ibinyabiziga byamashanyarazi, kugirango sisitemu ya 48V itwara amashanyarazi ibe uburyo nyamukuru bwingufu za moteri 10-72KW.Imikorere yikinyabiziga cyose iremewe, kandi mugihe kimwe, igiciro cyo gutwara amashanyarazi yimodoka nto n’imodoka nto kiragabanuka cyane,

Mu bushakashatsi buherutse, nasanze kugenzura ibinyabiziga byamashanyarazi mubyukuri kugenzura moteri.Kuberako ubumenyi bufite uruhare muriyi ngingo buragutse cyane kandi burambuye, niba ihame ninzira yo gutezimbere gahunda yo kugenzura ibinyabiziga byasobanuwe neza kuburyo burambuye, ukurikije ibitabo byasomwe nuwanditse, ingingo zubumenyi zirahagije kugirango umuntu yandike monografiya hamwe nimpapuro zirenga 100 namagambo arenga 100.000.Kugirango wemerere abasomyi kurubuga-rwigenga kumva no kumenya uburyo bwiza bwo gutezimbere mumagambo ibihumbi.Iyi ngingo izakoresha ingero zihariye kugirango isobanure inzira yo gutezimbere ibinyabiziga byamashanyarazi.

Ingero zasobanuwe hano zishingiye kuri Baojun E100, BAIC EC3, na BYD E2.Gusa ibipimo bikurikira byuburyo bubiri bigomba kuba bifitanye isano, kandi igenzura rya moteri ryonyine ryashyizwe mubikorwa kugirango rihindurwe muri sisitemu ya batiri ya 48V / 144V DC, amashanyarazi ya AC 33V / 99V hamwe na moteri ya moteri. .Muri byo, sisitemu ya elegitoroniki ya moteri yumushoferi ni urufunguzo rwa gahunda yose yo gutezimbere, kandi umwanditsi arabyiga yitonze kandi byimbitse.

Muyandi magambo, moteri ya Baojun E100, BAIC EC3, na BYD E2 igomba gusa kuba nziza kuri sisitemu yo kugenzura moteri 29-70KW.Aba ni abahagarariye imodoka ya A00 mini, imodoka nto ya A0, hamwe n’imodoka ikora amashanyarazi meza.Iyi ngingo izakoresha uburyo bwo kugenzura ibyiciro bitatu byinganda zidafite moteri kugirango ikoreshwe mugucunga moteri yimodoka ikoresheje inyenyeri-delta, V / F + DTC ibyiciro bitatu bigenzura moteri ya asinchronous induction.

Bitewe n'umwanya muto, iyi ngingo ntabwo izasobanura amahame ya mpandeshatu yinyenyeri nibindi.Reka duhere ku mbaraga rusange za moteri mugucunga moteri yinganda.Imodoka ikoreshwa cyane 380V ibyiciro bitatu bya asinchronous moteri ni 0.18 ~ 315KW, imbaraga nto ni Y ihuza, ingufu ziciriritse ni △ ihuza, naho ingufu nyinshi ni moteri 380 / 660V.Mubisanzwe, moteri 660V niyo moteri nyamukuru iri hejuru ya 300KW.Ntabwo moteri iri hejuru ya 300KW idashobora gukoresha 380V, ariko ko ubukungu bwabo atari bwiza.Nibigezweho bigabanya ubukungu bwa moteri na sisitemu yo kugenzura.Mubisanzwe milimetero 1 kare irashobora kunyura 6A ikigezweho.Iyo moteri yicyiciro cya gatatu idafite icyerekezo, moteri yayo ihinduranya.Nukuvuga, ikigezweho kinyuramo cyagenwe.Urebye kuri moteri yinganda, 500A nigiciro kinini mubukungu bwayo.

Tugarutse kuri moteri yimodoka yamashanyarazi, PWM ibyiciro bitatu bya voltage ya sisitemu ya batiri 48V ni 33V.Niba ingufu zubukungu bwa moteri yinganda ari 500A, agaciro ntarengwa mubukungu bwimodoka ya 48V yamashanyarazi ni 27KW kuri moteri yo kwinjiza ibyiciro bitatu.Muri icyo gihe, urebye ibintu biranga ibinyabiziga bigenda neza, igihe cyo kugera kumuvuduko ntarengwa ni gito cyane, mubisanzwe ntabwo kirenze iminota mike, bivuze ko 27KW ishobora gukorwa muburyo bukabije.Mubisanzwe ibintu birenze urugero inshuro 2 kugeza kuri 3 zuburyo busanzwe.Ni ukuvuga, imikorere isanzwe ni 9 ~ 13.5KW.

Niba tureba gusa urwego rwa voltage hamwe nubushobozi bugezweho buhuye.Sisitemu ya 48V irashobora kuba muri 30KW gusa kuko imikorere yo gutwara niyo mikorere myiza.

Ariko, hariho uburyo bwinshi bwo kugenzura ibyiciro bitatu bya moteri idahwitse.Ibinyabiziga byamashanyarazi bifite uburyo bunini bwo kugenzura umuvuduko (hafi 0-100%) hamwe no kugenzura umuriro (hafi 0-100%).Mugihe gikora nabi, ibinyabiziga byamashanyarazi bikoresha cyane cyane kugenzura VF cyangwa DTC.Niba inyenyeri-delta igenzurwa, irashobora gutera ingaruka zitunguranye.

Mu kugenzura inganda, inyenyeri-delta igenzura voltage inshuro 1.732, ibyo bikaba ari impanuka aho kuba ihame.Sisitemu ya 48V ntabwo yongerera ingufu za PWM inshuro nyinshi kugirango ikore AC 33V, kandi moteri yakozwe ukurikije urwego rwa voltage yinganda ni 57V.Ariko duhindura inyenyeri-delta igenzura voltage urwego inshuro 3, niyo mizi ya 9.Icyo gihe yaba 99V.

Nukuvuga ko, niba moteri yarakozwe nka 99V AC moteri yicyiciro cya gatatu idafite moteri ihuza delta hamwe na 33V Y ihuza, umuvuduko wa moteri urashobora guhinduka kuva kuri 0 kugeza 100% mumashanyarazi ya 20 kugeza 72KW mubukungu. imiterere.Mubisanzwe umuvuduko ntarengwa wa moteri ni 12000RPM), amabwiriza ya torque ni 0-100%, naho modulasiyo ni 0-400Hz.

Niba gahunda yo gutezimbere ishobora kugerwaho, noneho imodoka yo mu rwego rwa A hamwe nimodoka ntoya irashobora kubona imikorere myiza binyuze muri moteri imwe.Turabizi ko ikiguzi cya moteri ya 48V (murwego rwo hejuru ya 30KW) ni 5.000.Igiciro cya optimizme muri iyi mpapuro ntikiramenyekana, ariko ntabwo yongeyeho ibikoresho, ariko ihindura uburyo bwo kugenzura kandi itangiza urwego rwa voltage ebyiri.Kwiyongera kwibiciro nabyo birashobora kugenzurwa.

Birumvikana ko hazabaho ibibazo byinshi bishya muri gahunda yo kugenzura.Ibibazo bikomeye ni igishushanyo cya moteri, igishushanyo cya shoferi, hamwe nibisabwa cyane cyane kugirango bishyirwe hamwe nibisohoka biranga paki ya batiri yumuriro mwinshi.Ibi bibazo birashobora kugenzurwa kandi hariho ibisubizo bihari.Kurugero, igishushanyo cya moteri kirashobora gukemurwa muguhindura igipimo cyumubyigano mwinshi kandi muto.Tuzabiganiraho hamwe mu kiganiro gikurikira.