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Ngingaba ukuqoqa converters imvamisa ngezandla zabo? Umgomo we operation kanye wiring idayagramu imvamisa converters

Ukwakha inverters ngezandla kunzima, njengoba udinga ukuqonda okuhle kakhulu amandla electronics kanye Semiconductor ubuchwepheshe. Kodwa ngaphambi ucabanga mayelana nomklamo zale divayisi, kubalulekile ukwazi izinjongo ayesebenzisa i zazo. Futhi kudingeka bazi yiziphi izingxenye eyinhloko lezi izinhlaba.

Kuyini inverter?

Wonke umuntu uyazi ukuthi AC amapayipi ukuthengisela, futhi has a imvamisa ezithile. Izinga Russian - 50 Hertz. Kwamanye amazwe aseNtshonalanga, indinganiso ukuhluka - 60 Hertz. On lokho ukuvama wamanje kuncike umsebenzi kumadivayisi amaningi. Converters esetshenziswa amandla lokungeniswa izinjini. Izizathu ukusetshenziswa elekthroniki impela eningi. Ngokwesibonelo, e-umkhakha drive zisabalele, njengoba ukusetshenziswa kwabo aqede izindlela ezinkulu.

Uma-ke ukushintsha isivinini ukujikeleza ibhande ku elihambayo ingatholakala ukusetshenziswa reducer, ogxile uhlobo oluthile imoto igiya ibhokisi. Ngaphezu kwalokho, kungaba kokubili mechanical (usebenzisa amagiya eziningi) futhi CVT. Kodwa kuba kuphumelela kangcono kunokuthi ekushintsheni imingcele yamanje abazondla injini. Vula Resistor variable eshintsha ijubane ukujikeleza ka elihambayo. Futhi kungenzeka ukushintsha imvamisa ezahlukahlukene.

Yini kukhona impahla imvamisa converters?

Ngaphezu kwalokho, izilungiselelo drive zikuvumela ukuba sifinyelele ukuthi motor kagesi yenu kuyovumelana kancane kancane athole umfutho imizuzwana embalwa. umsebenzisi esithile by uHlelo imisebenzi imvamisa Converter. Ngokufanayo, esingakwenza futhi ayeke nesikhathi armature motor. Lokhu kunciphisa umthwalo idrayivu ukuthi kunomthelela oqonde ngqo ku nemithombo yawo.

Ngaphezu kwalokho, amabhizinisi amancane abangakwazi ukunikeza ngokwabo nge inethiwekhi ezintathu okhombisa, kodwa kunesidingo ke, ukusetshenziswa imvamisa converters - lena panacea kweqiniso. Kukhona onobuhle eziningi amadivayisi axhunyiwe ku-AC owodwa esigabeni samanje, futhi okukhiphayo oFakazi baye banyathelisa ezintathu. Ngakho-ke, kungenzeka ukufaka ezivamile esidayisa motor. Futhi kulesi simo akazange alahlekelwe amandla, ngeke isebenze kahle.

Amandla Izingxenye converters

Zonke converters imvamisa esetshenziswa IGBT enamandla noma MOSFET-transistors. Ziyakwazi ekahle lolu hlobo lomsebenzi. Basuke aboshelwe amamojuli ehlukile. Okunjalo indlela obandayo olukwazi ngcono idivayisi ukusebenza ngogesi. Transistors usebenze ukhiye imodi idatha, ukulawula senziwa esebenzisa uhlelo sekhompiyutha. Iqiniso lokuthi yonke ongaphakeme isilawuli voltage, ukushintsha voltage okusezingeni eliphezulu ayidingekile. Ngakho-ke, kungenzeka ukunikeza esebenzisa microprocessor elula.

somhlangano okhethekile uchungechunge IR2132 futhi IR2130 zivame kakhulu asetshenziswa. Zakhiwa abashayeli abayisithupha ezilawula okhiye. Three asetshenziselwa phansi, futhi abathathu - kuya phezulu. Lokhu umhlangano ivumela elula wendlale inverter. Ngaphezu kwalokho, it has degrees eziningana Ukuvikelwa. Ngokwesibonelo, isekhethi futhi sindisa. izici eningiliziwe zonke izakhi ingatholakala namabhukwana. Kodwa zonke izingxenye amandla has ethile omkhulu - zibiza kakhulu izimpahla.

Bezakhiwe Converter wesifunda

Noma yimuphi inverter enjinini yakhiwa amabhlogo ezintathu eziyinhloko - the rectifier, ukuhlunga, inverter. Umphumela uba ukuthi i voltage AC iqale iguqulelwe e DC, sikhathi elicwengekileyo. Ngemva kwakho konke lokhu, it is nabokhulumile ukuba AC. Kodwa kukhona iyunithi yesithathu - inverter sekhompiyutha-elawulwa. Noma uma sikubeka ngokuqondile, enamandla IGBT-transistors. Uma kwenzeke ukuba ekubhekaneni chastotnikami, lapho uyazi ukuthi phezu phambi kwabo, kukhona izinkinobho ezimbalwa ukuze izinhlelo.

Manual imvamisa Converter uzokutshela ukuthi ukuzulazula izilungiselelo yonke imisebenzi. Icala luyindida kakhulu, njengoba izilungiselelo ngisho kudivayisi kakhulu ezilula impela eningi. Ngaphezu kwalokho, i-zobuchwepheshe elikuvumela ukushintsha imoto ngesivinini armature, ulungise ukushesha kanye deceleration isikhathi, kusekhona elithile Ukuvikelwa. Ngokwesibonelo, phezu-lamanje. Endabeni thuluzi aqede isidingo ukufaka wesifunda oluseduze.

rectifier iyunithi

Kuye onjani isabelo imvamisa lokuguqulela, AC-DC converters, izigaba ezahlukene. Inguqulo supply kungaba inethiwekhi ezintathu okhombisa, noma kusuka esigabeni esisodwa. Kodwa UMA okukhipha noma kunjalo kuyinto ezintathu okhombisa AC voltage. Kodwa ukuze bafeze control wamanje, kubalulekile kuqala qondanisa. Into wukuthi variable control kunzima - kubalulekile ukusebenzisa dimmers ezinkulu, engesiyo ekahle kakhulu. Ikakhulukazi, manje yisikhathi Microelectronics ezishintshayo, sebenzisa ubuchwepheshe ephelelwe yisikhathi is hhayi nje abangenangqondo, kodwa nalo lalihamba kahle kakhulu.

Ukuze ekulungiseni i-AC ezintathu okhombisa zamanje isetshenziswa idivayisi electronic ehlanganisa eziyisithupha Semiconductor diodes. Ahlanganisiwe wesifunda ibhuloho, kuvela ukuthi pair of diodes ngamunye isetshenziselwa ekulungiseni isigaba esisodwa. Ngesikhathi ekhishwa rectifier iyunithi ukuthola voltage DC, ubukhulu bayo silingana egeleza kokufaka. Kulesi sigaba, zonke ukuguqulwa kuqedile, iyiphi control akwenziwa kule yunithi. Uma amandla ezivezwa owodwa esigabeni inethiwekhi rectifier Cascade ngokwanele ngisho kusuka diode olulodwa. Nokho, ukusebenzisa kangcono wesifunda ibhuloho ezine.

inhlangano isihlungi module

Le module isetshenziswa ukuhlunga DC voltage. The elula inketho iyunithi - iyona inductor kufakwe plus igebe ehlombe. Phakathi izingongolo capacitor electrolytic kuhlanganisiwe. Anakho omunye umsebenzi - balahle ingxenye onhlobonhlobo. Into wukuthi rectifier akakwazi ngokuphelele ukubabulala yezwakala. Kusekhona ingxenye encane wamanje kushintshana, okuyinto anganikeza umsindo ephawulekayo phakathi ukusebenza.

Ukuze uthole ukwaziswa isimiso yokusebenza lemifanekiso iyunithi kufanele ihlaziye, kokuba izakhi esikhundleni. Lapho ezisebenza imigomo DC inductivity indawo ukumelana naso, lo capacitor esikhundleni uchungechunge ukudabuka. Kodwa lapha ngezinga lamanje ukunikezela amandla we-AC impedance esikhundleni. Ngenxa yalokho, bonke ingxenye variable ubalekela ngoba short circuit kwenzeka kulesi simo. Kunzima kunalokho ukuqonda, kubalulekile ukuqonda izisekelo ezicatshangelwayo engineering kagesi. Kodwa isigaba inverter 3 do ngaphandle akunakwenzeka.

inverter esiteji

Futhi lapha kufika fun okuyingxenye - ukusetshenziswa ephezulu amandla IGBT-transistors. Futhi kulawulwa uhlelo sekhompiyutha-based, izinga lomsebenzi wabo incike ekusebenzeni zonke imvamisa Converter. isifunda okunjalo we Converter voltage kuyinto ejwayelekile. Empeleni, ngosizo we transistors amandla kungenziwa nabokhulumile yimuphi ukungezwani. Linani selilonkhe lebantfu labange izakhi eziyisithupha asetshenziswe uhlelo elula - ezimbili kulelo nalelo zinga lemfundo. I inverter 220 okukhiphayo ku esigabeni ngasinye ngenhlonipho zero.

, Kumelwe usebenzise Semiconductor diodes balahle okuvela voltage reverse. Ahlanganisiwe phakathi ngalendoda kanye emitter kwamandla transistors. Ukuphathwa Kwenziwa base emnyango. Njengoba kushiwo ngaphambili, imvamisa converters, ekhiqizwa ngezandla yabo wendlale inverter ka transistors emibili esigabeni ngasinye. Bahlanganisa PN-ushintsho yabo chungechunge. Nge maphakathi nawo-iphuzu ngalinye ingalo isigaba iyasuswa. Ngo amamojuli ngomumo eyenziwe ayatholakala emakhemisi, bona nemithelela kokunikeza voltage DC, kanye izikhonkwane ezintathu ukususa ezintathu okhombisa AC. Ngaphezu kwalokho, kukhona isixhumi ukulawula microcontroller.

isilawuli sekhompiyutha

Isetshenziswa ukushintsha injini kushaft izinga lokuguqulela, voltage zazo imvamisa okuzenzakalelayo 50 Hertz, kungaguqulwa ku amplitude ezahlukahlukene. Uma ngqo, kusuka zero kuya ukuthi imvamisa, okungase ukuhlinzekela microprocessor. Iya imfuneko eyisisekelo zokugcina - yikhono ukuxhuma kumadivayisi amaningi. Uma ukwakha zinamandla Converter kabani imvamisa siyashintsha ukumelana variable kumele alawulwe nguMnyango wokugaya. Wakhetha ngokucophelela, kumelwe abe inombolo ezanele okokufaka-okukhipha nezimbobo.

Kancane nzima uhlelo kungaba ngokuxhuma microcontroller iphaneli LCD. Akudingekile abanebala okusezingeni eliphezulu benikela it ngokwanele monochromatic, njengoba kule wokubala elula. Ukuze imbobo yokufaka-okukhipha exhunywe futhi afeze inkinobho izinhlelo. Yileyo indlela ungenza elula imvamisa Converter. Intengo yazo zonke izinto kuyoba yini engaphezu kwemibili ayizinkulungwane. Kodwa izindleko idrayivu ephethe namandla 200-750 Watt zokhahlamba kusuka ruble 6.500 ukuze 12,000. Konke kuncike nomkhiqizi futhi lwedivayisi.

Ezezindlu amadivayisi

Imvamisa converters, ekhiqizwa ngezandla zabo, kufanele ube izindlu eziqinile. It kuncike kube lula nje kuphela ukuyisebenzisa, kodwa futhi kahle. Kumila eyenziwe aluminium. Isizathu sokusebenzisa lesi impahla - isidingo eliphezulu indlu. Lapho IGBT-Module lishisa kakhulu, izinga lokushisa likhuphuka futhi Semiconductor diodes. Futhi akunandaba, imvamisa Converter 380 noma 220 volts wena.

Ezinye izindaba zika-umzimba eyenziwe ngepulasitiki. Kusemqoka ukuthi zonke izakhi zokuphepha afihliwe kubo lokho akwenzekanga ngephutha uthinte ephezulu voltage terminals msebenzi. Lapho ebhekene isidingo sokuba kunakekelwe ngokwezinto kunesikhala for isibonisi LCD nezinkinobho. Endaweni ehlukile, endaweni ekahle, usethe Resistor onhlobonhlobo. Lapho uHlelo the microcontroller kufanele inake ukuthi lokhu ukumelana nhlobonhlobo okukhipha ifrikhwensi.

ukudluliselwa Heat izakhi kohlelo

Ngokukhethekile kufanele ikhokhwe ukufudumeza ukushabalalisa. I-apharathasi akhiwa enamandla, ithembeke Ukupholisa uhlelo ukuba. Njengoba kushiwo ngenhla, base kumele eyenziwe aluminium. voltage Converter wesifunda obekufanele babe isivikelo okweqile. Ngenxa yale njongo, umgodi sokuprakthiza e izindlu, inzwa lokushisa ukukhwezwa therein. Njengoba sidla ngokusebenzisa isignali iyunithi ezifanayo kuya microcontroller. Uma kwenzeka yokudlula lokushisa esiphezulu umthwalo kufanele inqanyuliwe. Ngenxa yalokho, kukhona Abathandeki amandla module transistors.

Ukuze uthuthukise ukudluliswa ukushisa kuyadingeka ukusebenzisa abalandeli. Indawo yabo kubalulekile ukukhetha ukuze emoyeni ukugeleza amaphiko Ukupholisa ngomoya kurediyetha izindlu. Ukuze kwandiswe nekusebenta kweluhlelo ukupholisa kubalulekile ukusebenzisa nokunamathisela ezishisayo. Ukuvula ukukhiqiza abalandeli ezinengqondo at idivayisi uqalisa. Kodwa kungenzeka ukuba bafeze izinhlelo isilawuli, usebenzisa uphawu kusukela inzwa lokushisa. Lapho ufika lokushisa elilingana kwesigamu ukuthi lapho idivayisi sivaliwe, inkinobho fan senziwa.

ibhodi wesifunda

Njengoba ibhodi wesifunda kungcono ukusebenzisa izinketho ngomumo eyenziwe. Ngo ibhodi ayatholakala emakhemisi nge izimbobo lobehlukene, azungeze yibaphi othintana encane tin-plated. Ngo parlance common bebizwa "inhlanzi". Into kuphela ukuthi kuyafaneleka ukucabangela, njengoba kungenzeka esikhundleni processor chipset. Ngenxa yale njongo, udinga ukusebenzisa nezixhumi zazo soldered ebhodini. Imvamisa converters ngezandla zabo ukwenza kangcono nokulindela okusheshayo-ushintsho izakhi. Chip noma isilawuli nje efakwe kule ukuphela njengoba isokhethi emdulini.

okutholakele

Angakhiqiza futhi siqu imvamisa Converter. Inani analogue, njengoba sathola, iphezulu kakhulu. Nakuba Yiqiniso, bona babe namathuba amaningana. Kodwa eqinisweni, uma ubuka eduze, kuvela ukuthi empeleni zisebenzisa hhayi ningi than imisebenzi emihlanu. Lapho idrayivu kuyadingeka ukushintsha isivinini, futhi ulungise ukushesha kanye deceleration isikhathi. Kancane kancane wayevame ukusebenzisa umsebenzi reverse nokushintsha esiphezulu zamanje ovumelekile.

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