A cikin 'yan shekarun nan, na'urorin magnetin kai tsaye na dindindin sun sami ci gaba mai mahimmanci kuma ana amfani da su a cikin ƙananan kayan aiki masu sauri, irin su bel conveyors, mixers, na'urorin zane na waya, ƙananan hanzari, maye gurbin tsarin lantarki wanda ya hada da manyan motoci masu sauri da inji. hanyoyin ragewa. Matsakaicin saurin motar gabaɗaya yana ƙasa da 500rpm. Dindindin magnet kai tsaye drive Motors za a iya yafi raba biyu tsari siffofin: waje na'ura mai juyi da na ciki na'ura mai juyi. Na'ura mai jujjuyawar waje ta dindindin magnet kai tsaye ana amfani da ita a cikin masu jigilar bel.
A cikin ƙira da aikace-aikacen na'urori masu motsi kai tsaye na magneti kai tsaye, ya kamata a lura cewa injin ɗin magnet ɗin kai tsaye bai dace da ƙananan saurin fitarwa ba. Lokacin da yawancin lodi a ciki50r / min suna motsawa ta hanyar motar motsa jiki kai tsaye, idan wutar ta kasance mai tsayi, zai haifar da babban juzu'i, wanda zai haifar da tsadar motoci da rage yawan aiki. Lokacin da aka ƙayyade ƙarfin da sauri, ya zama dole a kwatanta ingancin tattalin arziƙin haɗin haɗin kai tsaye, injina masu saurin gudu, da gears (ko wasu saurin haɓakawa da raguwar tsarin injina). A halin yanzu, injin turbin iska sama da 15MW da ƙasa da 10rpm sannu a hankali suna ɗaukar tsarin tuƙi kai tsaye, ta amfani da kayan aiki don haɓaka saurin mota daidai, rage farashin moto, kuma a ƙarshe farashin tsarin. Hakanan ya shafi injinan lantarki. Sabili da haka, lokacin da saurin ya kasance ƙasa da 100 r / min, ya kamata a yi la'akari da la'akari da tattalin arziki a hankali, kuma za'a iya zaɓar tsarin tuƙi na kai tsaye.
Dindindin na'ura mai ba da hanya tsakanin hanyoyin sadarwa gabaɗaya suna amfani da saman da aka ɗora saman rotors na maganadisu na dindindin don ƙara ƙarfin juzu'i da rage amfani da kayan. Saboda ƙananan saurin jujjuyawa da ƙananan ƙarfin centrifugal, ba lallai ba ne a yi amfani da ginanniyar tsarin rotor magnet mai dindindin. Gabaɗaya, ana amfani da sandunan matsa lamba, hannun bakin karfe, da hannayen riga na fiberglass don gyarawa da kare magnetin rotor na dindindin. Koyaya, wasu injinan da ke da buƙatun dogaro mai ƙarfi, ƙananan lambobi masu ƙarfi, ko manyan jijjiga suma suna amfani da ginanniyar sifofin maganadisu na rotor.
Motar tuƙi kai tsaye mai ƙarancin sauri yana motsawa ta hanyar mai sauya mitar. Lokacin da ƙirar lambar sanda ta kai babban iyaka, ƙarin raguwa a cikin sauri zai haifar da ƙananan mitar. Lokacin da mitar mai sauya mitar ta yi ƙasa, aikin aikin PWM yana raguwa, kuma yanayin ƙawancen ba shi da kyau, wanda zai haifar da haɓakawa da saurin rashin kwanciyar hankali. Don haka sarrafa injunan tuƙi kai tsaye mai ƙarancin gudu shima yana da wahala sosai. A halin yanzu, wasu injuna masu ƙarancin gudu suna ɗaukar tsarin injin na'urar maganadisu don amfani da mafi girman mitar tuƙi.
Motoci masu motsi kai tsaye masu ƙarancin gudu na dindindin na iya zama masu sanyaya iska da sanyaya ruwa. Sanyaya iska galibi yana ɗaukar hanyar sanyaya IC416 na magoya baya masu zaman kansu, kuma sanyaya ruwa na iya zama sanyaya ruwa (IC)71W), wanda za a iya ƙaddara bisa ga yanayin wurin. A cikin yanayin sanyaya ruwa, ana iya tsara nauyin zafi mafi girma kuma tsarin ya fi dacewa, amma ya kamata a biya hankali don ƙara kauri na maganadisu na dindindin don hana demagnetization na yau da kullun.
Don tsarin motar motar kai tsaye mai saurin gudu tare da buƙatun don saurin sauri da daidaiton matsayi, ya zama dole don ƙara na'urori masu auna matsayi da ɗaukar hanyar sarrafawa tare da na'urori masu auna matsayi; Bugu da ƙari, lokacin da ake buƙatar buƙatu mai girma yayin farawa, ana buƙatar hanyar sarrafawa tare da firikwensin matsayi.
Ko da yake amfani da na'urar motsi kai tsaye na maganadisu na dindindin na iya kawar da tsarin ragewa na asali da kuma rage farashin kulawa, ƙira mara ma'ana zai iya haifar da tsada mai tsada don injunan tuƙi kai tsaye na maganadisu da raguwar ingantaccen tsarin. Gabaɗaya magana, ƙara diamita na dindindin na injina kai tsaye na iya rage farashin kowane juzu'in juzu'i, don haka za a iya sanya injinan tuƙi kai tsaye zuwa babban faifai mai girman diamita da guntun tari. Duk da haka, akwai kuma iyaka ga karuwar diamita. Babban diamita mai girma da yawa na iya ƙara yawan farashin casing da shaft, har ma da kayan aikin za su wuce sannu a hankali farashin kayan inganci. Don haka zayyana injin tuƙi kai tsaye yana buƙatar haɓaka tsayin daka zuwa diamita rabo don rage ƙimar gabaɗayan motar.
A ƙarshe, Ina so in jaddada cewa na'urorin magnetin kai tsaye na dindindin har yanzu ba su da motsi masu juyawa. Ƙarfin wutar lantarki na motar yana rinjayar halin yanzu a gefen fitarwa na mai sauya mitar. Muddin yana cikin kewayon iya aiki na mai sauya mitar, ƙarfin wutar lantarki yana da ɗan ƙaramin tasiri akan aikin kuma ba zai tasiri tasirin wutar lantarki a gefen grid ba. Don haka, ƙirar ƙirar wutar lantarki ta motar yakamata tayi ƙoƙari don tabbatar da cewa injin ɗin kai tsaye yana aiki a yanayin MTPA, wanda ke haifar da matsakaicin ƙarfi tare da mafi ƙarancin halin yanzu. Muhimmin dalili shi ne, yawan injin tuƙi kai tsaye gabaɗaya ba shi da ƙarfi, kuma asarar ƙarfe ta yi ƙasa da asarar tagulla. Yin amfani da hanyar MTPA na iya rage asarar tagulla. Kada a rinjayi masu fasaha ta hanyar grid na gargajiya da aka haɗa asynchronous Motors, kuma babu wani tushe don yin la'akari da ingancin motar bisa ga girman halin yanzu a gefen motar.
Anhui Mingteng Dindindin-Magnetic Machinery & Electric Equipment Co., Ltd kamfani ne na zamani mai fasaha wanda ya haɗu da bincike da haɓakawa, masana'antu, tallace-tallace, da sabis na injunan maganadisu na dindindin. Samfurin iri-iri da ƙayyadaddun bayanai sun cika. Daga cikin su, ƙananan saurin kai tsaye na injin maganadisu na dindindin (7.5-500rpm) ana amfani da su sosai a cikin nauyin masana'antu kamar fanfo, masu jigilar bel, famfo famfo, da injin niƙa a cikin siminti, kayan gini, ma'adinan kwal, man fetur, ƙarfe, da sauran masana'antu. , tare da kyakkyawan yanayin aiki.
Lokacin aikawa: Janairu-18-2024