Nheyo PWM simulation (PWM) rave richizivikanwa kwenguva refu, asi kushandiswa zvirongwa zvakasiyana yava achangobva. Zvinokosha kuti mano mazhinji anoshandiswa muminda siyana: uninterruptible simba wedzerai Kusiyanisa, kakawanda converters, voltage murau, ano kana kukurumidza rabhoritari kakawanda converters, etc. Zvinonyatsozivikanwa nekusimba mune motokari bhizimisi uye kugadzirwa senhengo Panyaya kushanda nevasina basa uye Motors simba. The PWM controller unomushandira zvakanaka kana uchishanda mumatunhu akasiyana-siyana.
Ngatimboongororai mamwe mazano mienzaniso inoratidza sei kuchinja injini nokukurumidza nokuda zvemagetsi nematunhu, kusanganisira PWM controller. Ngatitii kuti unofanira kuchinja injini nokukurumidza mune motokari yako mukati kudziyisa hurongwa. Enough chinobatsira kuvandudzika, handiti? Kunyanya kure-mwaka, kana munhu achida waidzora tembiricha nechomukati zvishoma nezvishoma. DC injini akagadzawo munyika ino, zvinoita kuti tikwanise kusandura tichimhanya, asi zvinokosha kufurira EMF kwayo. Achibatsirwa zvemagetsi zvemazuva ano zvinhu kuti basa nyore kuita. Nokuti chinangwa ichi, simba romugove redunhu pamusoro injini inotenderera simba FET. Vanotarisira, iwe wafungidzira izvozvo, PWM nokukurumidza kuzvidzora. With izvozvo, unogona kushandura injini nokukurumidza mune zvakawanda.
PWM kuzvidzora redunhu sei mune iri AC? Muchiitiko chino, neimwewo kudzora redunhu, asi kushanda musimboti inoramba zvakafanana. Somuenzaniso, funga kushanda kakawanda convert. mano vakadaro zvinowanzoshandiswa mukugadzira nokuda yokudzora injini nokukurumidza. Kutanga-danho matatu voltage iri kunogadzirisika Via bhiriji Larionov pamwe ndokudzora. Uye chete ipapo zvokudya kune simba nechirwere gungano kana module-yakavakirwa munda-kushanda transistors. Anotonga vari Voltage PWM controller, inounganidzwa pachishandiswa yacho microcontroller. Iye zvinowanisa kudzorwa pulses, noupamhi uye kakawanda zvakafanira kuti paumbwe imwe motokari nokukurumidza.
Zvinosuruvarisa kuwedzera waivako zvakanaka mafomu apo PWM kuzvidzora dzinowanzoona kuonekwa chipingaidzo simba nesimba redunhu. Izvi imhaka pamberi inductance ari windings ose dzemagetsi Motors uye mutsetse pacharo. Kunetseka ichi siyana schematics: kuisa Kuwedzera simba muna AC nematunhu kana kupa pachena-wekuWheeling diode mu zvakafanana injini muna DC simba wedzerai.
nematunhu kwakadaro kwakasiyana zvakakwana mukuru akavimbika ichishanda uye nzira itsva mumunda siyana Magetsi achidzora. Vane tsindirana zvakakwana uye tsime vakakwanisa. Recent okunatsiridza mano aya zvinowanzoshandiswa pakuburitswa.