Amfani da rashin amfani da injin babban ƙarfin lantarki idan aka kwatanta da injin ƙaramin ƙarfin lantarki

Motar ƙarfin lantarki mai ƙarfi

Ana kyautata zaton cewa injin mai ƙarfin lantarki na 3KV ~ 10KV ana kiransa dainjin ƙarfin lantarki mai ƙarfiAna amfani da injinan 6300V da 10000V akai-akai. Ƙarfin motar ya yi daidai da samfurin ƙarfin lantarki da na yanzu, don haka ƙarfin ƙaramin ƙarfin lantarki yana ƙaruwa zuwa wani matsayi (kamar 300KW/380V), ƙimar wutar lantarki za ta yi girma sosai, asarar layin za ta kasance murabba'i tare da ƙaruwar halin yanzu (I^2*r), ana buƙatar yankin giciye na wayar ya zama babba sosai, don haka ƙarfin ɗaukar kebul ɗin da aka yarda da shi yana da iyaka, kuma farashin ya yi yawa. A wannan lokacin, ya zama dole a ƙara ƙimar ƙarfin aiki don cimma babban fitarwa.

Motar ƙarancin ƙarfin lantarki

Motar ƙarancin ƙarfin lantarki tana nufin ƙarfin AC da ke ƙasa da motar 1000V, gabaɗaya tana nufin motar AC 380V, 440V ko 660V da sauran matakaninjinan da ba su da alaƙa da junaAna amfani da injin ƙarancin wutar lantarki kaɗan. An raba injin ƙaramin ƙarfin lantarki zuwa injin AC mara daidaituwa da injin DC iri biyu.

Amfani da rashin amfani da injinan lantarki masu ƙarfin lantarki idan aka kwatanta da injinan lantarki masu ƙarancin ƙarfin lantarki

(1) Fa'idodi
(1) ana iya yin shi zuwa babban ƙarfin lantarki, har zuwa dubbai ko ma dubban kilowatts. Wannan saboda, a cikin wannan ƙarfin fitarwa, ƙarfin wutar lantarki mai ƙarfi na iya zama ƙasa da injin ƙarancin ƙarfin lantarki (wanda aka fi mayar da hankali kan ƙarfin lantarki), misali, 500kW, wutar lantarki mai ƙarfi mai ƙarfi mai ƙarfi 4, ƙarfin lantarki mai ƙarfi na 380V don 900A ko makamancin haka, yayin da ƙarfin lantarki mai ƙarfi na 10kV kawai 30A ko makamancin haka. Don haka naɗe motar babban ƙarfin lantarki na iya zama ƙaramin diamita na waya. Sakamakon haka, asarar tagulla na stator na motar babban ƙarfin lantarki zai kuma zama ƙasa da na motar ƙaramin ƙarfin lantarki. Ga manyan injinan wutar lantarki, amfani da wutar lantarki mai ƙarancin ƙarfin lantarki, amma saboda buƙatar wayoyi masu kauri da buƙatar babban yanki na ramin stator, don haka diamita na tsakiya na stator don yin aiki mai yawa, girman motar gaba ɗaya zai kasance babba sosai.
② Ga manyan injinan da ke da ƙarfin aiki, injinan da ke da ƙarfin lantarki mai yawa da ake amfani da su a cikin samar da wutar lantarki da kayan aikin rarrabawa fiye da jimlar jarin da ake zubawa a cikin injinan ƙarancin wutar lantarki, kuma asarar layi ƙarami ne, zai iya adana wani adadin amfani da wutar lantarki. Musamman ma, injinan da ke da ƙarfin lantarki mai girma 10kV, za ku iya amfani da wutar lantarki kai tsaye (ƙarfin wutar lantarki mai girma na China da aka bai wa masu amfani gabaɗaya 10kV ne), don haka jarin da ake zubawa a kayan aikin wutar lantarki (galibi na na'urorin canza wutar lantarki) zai yi ƙasa, amfani da mafi sauƙi, ƙimar gazawar zai yi ƙasa.

(2) Rashin amfani
① Kudin naɗewa yana da tsada sosai (galibi yana faruwa ne sakamakon rufin), kuma farashin kayan rufin da suka shafi hakan zai yi tsada sosai.
(ii) Tsarin maganin rufin rufi ya fi wahala, kuma farashin aiki ya fi girma.
③ Bukatun amfani da muhalli sun fi tsauri fiye da na injinan ƙarancin wutar lantarki.
Kwatanta bambanci tsakanin injin ƙarancin wutar lantarki da injin babban wutar lantarki

Babban bambanci a cikin tsari

Da farko, kayan rufin na'ura suna yin bambanci, injinan ƙarancin wutar lantarki, na'ura galibi waya ce mai enamel ko wasu abubuwa masu sauƙi, kamar takarda mai haɗawa, galibi ana amfani da rufin motar mai ƙarfin lantarki mai ƙarfi a cikin tsarin yadudduka da yawa, kamar tef ɗin mica foda, tsarin ya fi rikitarwa, matakin juriya ga matsin lamba mafi girma.

Na biyu, bambancin tsarin sanyaya, injinan ƙarancin wutar lantarki galibi suna amfani da fanfunan coaxial waɗanda ke busawa kai tsaye don wargaza zafi, injinan ƙarfin lantarki mai ƙarfi tare da yawancin fanfunan radiator masu zaman kansu, yawanci nau'ikan fanfunan biyu, saitin fanfunan zagayawa na ciki, saitin fanfunan zagayawa na waje, saitin fanfunan zagayawa guda biyu suna aiki a lokaci guda, musayar zafi akan radiator za a fitar da shi daga zafin motar.

Na uku, tsarin bearing ya bambanta, injinan ƙarancin wutar lantarki yawanci suna da saitin bearings kafin da kuma bayansu, yayin da injinan ƙarfin lantarki mai yawa, saboda nauyin da ke cikinsa, yawanci akwai saitin bearings guda biyu a ƙarshen axial, kuma adadin bearings a ƙarshen da ba na axial ba ana ƙayyade shi gwargwadon yanayin kaya, kuma musamman manyan injinan za su yi amfani da bearings masu zamiya.

Kwatanta aikin mota da farashi

1. Yayin da ƙarfin wutar lantarki ya fi girma, haka ƙarfin motar ya fi girma.

2, idan matakin ƙarfin lantarki ya ƙaru, to farashin shigarwa ya ƙaru; kodayake ƙarfin wutar lantarki ya ƙaru, za a iya zaɓar ɓangaren haɗin waya da kebul kaɗan, amma buƙatar na'urorin katse wutar lantarki masu ƙarfin lantarki, na'urorin canza wutar lantarki, na'urorin sauya wutar lantarki da sauran kayan aiki har yanzu suna ƙaruwa a cikin jarin farko a manyan kamfanoni, don haka ƙananan 'yan kasuwa a cikin sabon ginin suna son amfani da kayan aikin ƙarancin wutar lantarki.

3, mafi girman matakin wutar lantarki, mafi ƙarancin jimlar kuɗin aiki; ƙaramin wutar lantarki don kawo raguwar asarar wutar lantarki, a cikin dogon lokaci ya dace, tasirin tarin tanadin wutar lantarki abin mamaki ne, don haka manyan kamfanoni da yawa a cikin canjin fasaha na ƙananan wutar lantarki sun canza zuwa manyan injinan wutar lantarki.

4, idan matakin wutar lantarki ya fi girma, to, ƙarin sararin da ake sha; domin akwai kabad masu sarrafa wutar lantarki mai ƙarfi da sauran mazauna.

5, mafi girman matakin ƙarfin lantarki, injin yana da sauƙin farawa, fara ƙaruwar ƙarfin juyi, farawa, sarrafawa abu ne mai sauƙi.

6, idan matakin wutar lantarki ya fi girma, to, tsarin kula da kulawa mai sarkakiya zai fi rikitarwa; don haka ƙananan 'yan kasuwa suna son amfani da ƙarancin wutar lantarki, manyan kamfanoni suna son amfani da injinan wutar lantarki mai ƙarfi.