A cikin duniyar mai canzawa, kalmomin "cibin madauki" da "abincin radial" an fi danganta su da shimfidar daji na HV don masu taswirar padmount da aka keɓe. Waɗannan sharuɗɗan, duk da haka, ba su samo asali da taranfoma ba. Sun fito ne daga mafi girman ra'ayi na rarraba wutar lantarki a tsarin lantarki (ko da'irori). Ana kiran na'urar taransifoma madauki feed transfoma domin tsarin tsarin bushing ɗin sa ya dace da tsarin rarraba madauki. Hakanan ya shafi masu taswira da muke rarraba su azaman ciyarwar radial- shimfidar dajinsu ya fi dacewa da tsarin radial.
Daga cikin nau'ikan tashoshi biyu, sigar ciyarwar madauki shine mafi daidaitawa. Rukunin ciyarwar madauki na iya ɗaukar tsarin tsarin radial da madauki, yayin da masu taswirar ciyarwar radial kusan koyaushe suna bayyana a cikin tsarin radial.
Tsarin Rarraba Ciyarwar Radial da Madauki
Dukansu tsarin radial da madauki suna da nufin cimma abu ɗaya: aika matsakaicin ƙarfin lantarki daga tushen gama gari (yawanci ma'auni) zuwa ɗaya ko fiye da na'urar taswirar ƙasa mai ɗaukar nauyi.
Abincin Radial shine mafi sauƙi na biyun. Ka yi tunanin wani da'irar tare da layuka da yawa (ko radians) suna tafiya daga wuri guda ɗaya, kamar yadda aka nuna a hoto na 1. Wannan cibiyar tana wakiltar tushen wutar lantarki, kuma murabba'i a ƙarshen kowane layi suna wakiltar masu canzawa zuwa ƙasa. A cikin wannan saitin, ana ciyar da kowane transformer daga wuri ɗaya a cikin tsarin, kuma idan aka katse tushen wutar lantarki don kiyayewa, ko kuma idan kuskure ya faru, tsarin gaba ɗaya ya ɓace har sai an warware matsalar.
Hoto 1: Hoton da ke sama yana nuna masu amfani da wutar lantarki da aka haɗa a cikin tsarin rarraba radial. Wurin tsakiya yana wakiltar tushen wutar lantarki. Kowane murabba'i yana wakiltar taswirar mutum ɗaya da aka ciyar daga wutar lantarki guda ɗaya.
Hoto 2: A cikin tsarin rarraba abinci na madauki, ana iya ciyar da tasfofi ta hanyoyi da yawa. Idan gazawar kebul na feeder upwind na Source A ya auku, tsarin na iya yin aiki da igiyoyin ciyarwar da aka haɗa zuwa Source B ba tare da wani gagarumin asarar sabis ba.
A cikin tsarin madauki, ana iya ba da wutar lantarki daga tushe biyu ko fiye. Maimakon ciyar da tasfofi daga tsakiya ɗaya kamar yadda yake a cikin Hoto 1, tsarin madauki da aka nuna a hoto na 2 yana ba da wurare daban-daban guda biyu waɗanda za a iya ba da wutar lantarki daga ciki. Idan tushen wutar lantarki ɗaya ya tafi layi, ɗayan na iya ci gaba da ba da wutar lantarki ga tsarin. Wannan sakewa yana ba da ci gaba na sabis kuma yana sanya tsarin madauki ya zama zaɓin da aka fi so ga yawancin masu amfani da ƙarshen, kamar asibitoci, cibiyoyin kwaleji, filayen jirgin sama, da manyan masana'antu. Hoto na 3 yana ba da hangen nesa kusa da na'urorin wuta guda biyu waɗanda aka kwatanta a cikin tsarin madauki daga Hoto 2.
Hoto 3: Hoton da ke sama yana nuna madaidaitan madaidaicin madauki guda biyu waɗanda aka haɗa tare a cikin tsarin madauki tare da zaɓin ciyar da su daga ɗayan kayan wuta guda biyu.
Ana iya taƙaita bambancin tsakanin tsarin radial da madauki kamar haka:
Idan na'urar taswira ta karɓi wuta daga maki ɗaya kawai a cikin kewaye, to tsarin yana radial.
Idan na'ura mai ba da wutar lantarki yana iya karɓar wuta daga maki biyu ko fiye a cikin da'ira, to tsarin shine madauki.
Binciken kusa da na'urori masu canzawa a cikin da'ira bazai nuna a fili ba ko tsarin radial ne ko madauki; kamar yadda muka nuna a farkon, ana iya daidaita madaidaicin madauki da na'urorin wutar lantarki don yin aiki a cikin kowane tsarin da'ira (ko da yake kuma, yana da wuya a ga na'urar ta radial feed a cikin tsarin madauki). Tsarin lantarki da layi ɗaya shine hanya mafi kyau don tantance tsarin tsarin da tsarinsa. Ana faɗin haka, tare da duban kud da kud da ƙayyadaddun ƙayyadaddun bushing na radial da na'urorin wutar lantarki na madauki, sau da yawa yana yiwuwa a zana kyakkyawan bayani game da tsarin.
Radial da Madauki Ciyar da Kanfigareshan Bushing
A cikin masu taswirar padmount, babban bambanci tsakanin ciyarwar radial da madauki ya ta'allaka ne a cikin tsarin juzu'i na farko/HV (gefen hagu na majalisar taswirar). A cikin firamare na radial feed, akwai bushing guda ɗaya ga kowane ɗayan masu gudanarwa na lokaci guda uku masu shigowa, kamar yadda aka nuna a hoto na 4. Ana samun wannan shimfidar wuri inda ake buƙatar tiransifoma guda ɗaya don kunna gaba ɗaya shafi ko kayan aiki. Kamar yadda za mu gani nan gaba, ana amfani da tasfoman abinci na radial don raka'a ta ƙarshe a cikin jerin tasfoman da aka haɗa tare da madaidaicin ciyarwar madauki (duba Hoto 6).
Hoto na 4:An tsara saitunan ciyarwar Radial don ciyarwar farko mai shigowa ɗaya.
Madogaran firamare na ciyarwar madauki suna da bushings shida maimakon uku. Shirye-shiryen da aka fi sani da shi shine V Loop tare da nau'i biyu na bushings uku (duba Hoto 5) - daji uku a hagu (H1A, H2A, H3A) da uku a dama (H1B, H2B, H3B), kamar yadda aka tsara. a cikin IEEE Std C57.12.34.
Hoto 5: Tsarin ciyarwar madauki yana ba da damar samun abinci na farko guda biyu.
Mafi yawan aikace-aikacen gama gari na farko na bushing shida shine haɗa taswirar ciyarwar madauki da yawa tare. A cikin wannan saitin, ana shigar da abincin mai shigowa cikin na'urar wuta ta farko a cikin jeri. Saitin igiyoyi na biyu yana gudana daga bushings na gefen B na raka'a ta farko zuwa bushings A-gefe na taswira na gaba a cikin jerin. Wannan hanyar daisy-chaining biyu ko fiye da transfomer a jere ana kuma kiranta da “madauki” na taransfoma (ko “madauki tafsirai tare”). Yana da mahimmanci a rarrabe tsakanin "madauki" (ko sarkar daisy) na masu taswira da ciyarwar madauki kamar yadda ya shafi bushings taswira da tsarin rarraba wutar lantarki. Hoto na 6 yana zayyana cikakken misali na madauki na taswirar da aka sanya a cikin tsarin radial. Idan wutar lantarki ta yi hasarar a majiyar, dukkan taranfoma na uku za su kasance a layi har sai an dawo da wuta. Lura, bincika kusa da sashin ciyarwar radial a hannun dama zai nuna tsarin radial, amma wannan ba zai fito fili ba idan muka kalli sauran raka'a biyu kawai.
Hoto 6: Ana ciyar da wannan rukunin na transfoma ne daga tushe guda wanda ya fara a farkon transfoma a cikin jerin. Ana isar da abinci na farko ta kowane tafofi a cikin jeri zuwa naúrar ƙarshe inda aka ƙare.
Za a iya ƙara fis ɗin bayonet na firamare na cikin gida zuwa kowane tafsiri, kamar yadda aka nuna a hoto na 7. Fusing na farko yana ƙara ƙarin kariya ga tsarin lantarki-musamman lokacin da yawancin tashoshi da aka haɗa tare an haɗa su daban-daban.
Hoto na 7:Kowane tafsiri yana sanye da nasa kariyar wuce gona da iri.
Idan kuskuren gefe na biyu ya faru akan raka'a ɗaya (Hoto 8), fusing ɗin farko zai katse kwararar overcurrent a cikin taswirar da ba ta dace ba kafin ya iya isa ga sauran raka'o'in, kuma halin yanzu na yau da kullun zai ci gaba da gudana ya wuce naúrar da ba ta da kyau. sauran tashoshi a cikin kewaye. Wannan yana rage raguwar lokaci kuma yana ɗaukar gazawar zuwa raka'a ɗaya lokacin da aka haɗa raka'a da yawa tare a da'irar reshe ɗaya. Ana iya amfani da wannan saitin tare da kariyar wuce gona da iri na ciki a cikin tsarin radial ko madauki-a kowane hali, fis ɗin korar zai ware naúrar da ba ta dace ba da kuma nauyin da yake bayarwa.
Hoto 8: A yayin da matsalar gefen lodi akan ɗaya naúrar a cikin jerin na'urorin taranfoma, fising ɗin gefe na farko zai ware naúrar da ba ta dace ba daga sauran na'urorin da ke cikin madauki - yana hana ƙarin lalacewa da barin aiki mara karye ga sauran tsarin.
Wani aikace-aikacen daidaitawar ciyarwar madauki shine haɗa ciyarwar tushen guda biyu (Feed A da Ciyarwar B) zuwa raka'a ɗaya. Wannan yayi kama da yanayin da ya gabata a cikin Hoto na 2 da Hoto 3, amma tare da raka'a guda. Don wannan aikace-aikacen, ana shigar da maɓallai masu zaɓin nau'in rotary iri ɗaya ko fiye a cikin taswirar, yana barin naúrar ta musanya tsakanin ciyarwar biyu idan an buƙata. Wasu ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai za su ba da damar sauyawa tsakanin kowane abinci na tushen ba tare da asarar wutar lantarki na ɗan lokaci zuwa nauyin da ake yi ba-mahimmin fa'ida ga masu amfani da ƙarshen waɗanda ke darajar ci gaba da sabis na lantarki.
Hoto 9: Hoton da ke sama yana nuna maɓallin madaidaicin madauki a cikin tsarin madauki tare da zaɓin ciyar da shi daga ɗayan kayan wuta guda biyu.
Anan akwai wani misali na madauki mai daftarin wuta da aka shigar a cikin tsarin radial. A cikin wannan yanayin, majalisar ministocin farko tana da saiti guda na madugu da suka sauka a kan gandun daji na A-gefe, kuma saitin na biyu na bushings na gefen B an ƙare tare da ko dai masu rufe fuska ko masu kama gwiwar hannu. Wannan tsari ya dace da kowane aikace-aikacen ciyarwar radial inda ake buƙatar taswira ɗaya kawai a cikin shigarwa. Shigar da na'urorin kariya masu tasowa akan bushings na gefen B shine ma'auni na daidaitawa na mai canzawa na ƙarshe a cikin sarkar ko jerin sassan ciyarwar madauki (a al'ada, ana shigar da kariya ta karuwa a naúrar ƙarshe).
Hoto 10: Anan ga misalin madaidaicin feed firamare mai dazuzzuka shida inda aka ƙare bushing na gefen B na biyu tare da matattun masu kama gwiwar hannu. Wannan tsari yana aiki don tasfoma ɗaya da kanta, kuma ana amfani da ita don taswirar ƙarshe a cikin jerin raka'o'in da aka haɗa.
Hakanan yana yiwuwa a sake maimaita wannan tsari tare da firamare na radial mai bushing uku ta amfani da abubuwan da ake sakawa mai jujjuyawa ta hanyar (ko feedthru). Kowane sashe ta hanyar ciyarwa yana ba ku zaɓi don shigar da ƙarewar kebul ɗaya da mataccen mai kama gwiwar hannu guda ɗaya a kowane lokaci. Wannan daidaitawa tare da abubuwan da ake sakawa ta hanyar ciyarwa kuma yana sa saukowa wani saitin igiyoyi don aikace-aikacen tsarin madauki mai yiwuwa, ko ƙarin haɗin kai guda uku ana iya amfani da su don ciyar da wutar lantarki zuwa wani na'ura mai canzawa a cikin jerin (ko madauki) na raka'a. Tsarin ciyarwa ta hanyar daidaitawa tare da masu canji na radial baya ba da izinin zaɓi na zaɓi tsakanin saiti daban na A-gefen bushings da B-gefe tare da maɓalli na ciki a gidan wuta, wanda ya sa ya zama zaɓin da ba a so don tsarin madauki. Ana iya amfani da irin wannan naúrar don bayani na wucin gadi (ko haya) lokacin da na'urar taswirar madauki ba ta samuwa da sauri, amma ba shine mafita ta dindindin ba.
Hoto 11: Za a iya amfani da abin da ake iya jujjuya abinci-ta hanyar abubuwan da aka saka don ƙara masu kama ko wani saitin igiyoyi masu fita zuwa saitin ciyarwar radial.
Kamar yadda aka ambata a farkon, ana amfani da taswirar madauki da yawa a cikin tsarin radial tunda ana iya keɓance su cikin sauƙi don aiki kaɗai kamar yadda aka nuna a sama a hoto na 10, amma kusan koyaushe sune zaɓi na musamman don tsarin madauki saboda bushing ɗin su shida. shimfidawa. Tare da shigar da mai canza mai zaɓe mai nitsewa, ana iya sarrafa ciyarwar tushen da yawa daga ma'aikatun farko na rukunin.
Ka'ida tare da maɓallai masu zaɓin zaɓi sun haɗa da karya kwararar halin yanzu a coils na taswira kamar mai sauƙaƙan kunnawa / kashewa tare da ƙarin damar jujjuya kwararar halin yanzu tsakanin bushings A-gefe da B. Mafi sauƙaƙan daidaitawar sauya mai zaɓi don fahimta shine zaɓin sauya matsayi biyu. Kamar yadda hoto na 12 ya nuna, kunnawa / kashewa ɗaya yana sarrafa tafsirin kanta, kuma ƙarin maɓalli guda biyu suna sarrafa ciyarwar A-gefe da B daban-daban. Wannan saitin ya dace don saitin tsarin madauki (kamar yadda yake a cikin Hoto na 9 a sama) wanda ke buƙatar zaɓi tsakanin maɓuɓɓuka daban-daban guda biyu a kowane lokaci. Hakanan yana aiki da kyau don tsarin radial tare da raka'a da yawa daisy-chained tare.
Hoto na 12:Misalin na'ura mai canzawa mai mu'ujizai guda uku guda uku a gefen farko. Hakanan za'a iya amfani da wannan nau'in sauya mai zaɓe tare da sauyawa guda huɗu na matsayi guda ɗaya, duk da haka, zaɓin matsayi huɗu ba shi da ma'ana, saboda baya ƙyale kunna / kashe na'urar da kanta ba tare da la'akari da A-gefe ba kuma. Ciyarwar gefen B.
Hoto na 13 yana nuna na'urar taswira guda uku, kowanne yana da maɓalli guda uku. Raka'a ta farko a gefen hagu tana da duka masu sauyawa guda uku a cikin rufaffiyar (akan). Transformer a tsakiya yana da duka biyun A-gefe da B-gefe masu sauyawa a cikin rufaffiyar matsayi, yayin da mai sarrafa na'ura mai canzawa yana cikin matsayi (kashe). A cikin wannan yanayin, ana ba da wutar lantarki ga nauyin da wutar lantarki ta farko da na'urar wuta ta ƙarshe a cikin ƙungiyar ke bayarwa, amma ba ga naúrar tsakiya ba. Mutum A-gefe da B-gefen kunnawa/kashe suna ba da damar kwararar na yanzu zuwa naúrar ta gaba a cikin jeri lokacin da maɓallin kunnawa/kashe don nada wutar lantarki ya buɗe.
Hoto 13: Ta hanyar amfani da maɓallan zaɓi masu yawa a kowane taswira, naúrar da ke tsakiyar na iya zama keɓe ba tare da asarar wutar lantarki ba ga raka'o'in da ke kusa.
Akwai wasu yuwuwar daidaitawar sauyawa, kamar sauyawar matsayi huɗu-wanda ta wata hanya ta haɗa nau'ikan madaidaicin matsayi biyu guda uku zuwa na'ura ɗaya (tare da ƴan bambance-bambance). Ana kuma kiran maɓallan matsayi huɗu a matsayin “madaidaicin madaidaicin madaidaicin” tunda ana amfani da su na musamman tare da na'urorin wutar lantarki na madauki. Ana iya amfani da maɓallan madaidaicin madaidaicin a tsarin radial ko madauki. A cikin tsarin radial, ana amfani da su don ware na'ura daga wasu a cikin rukuni kamar yadda yake a cikin Hoto na 13. A cikin tsarin madauki, irin waɗannan na'urorin suna amfani da su sau da yawa don sarrafa iko daga ɗaya daga cikin hanyoyi guda biyu masu shigowa (kamar yadda a cikin Hoto 9).
Zurfafa kallon madaidaicin madaidaicin abincin madauki ya wuce iyakar wannan labarin, kuma ana amfani da taƙaitaccen bayanin su anan don nuna mahimman ɓangaren masu zaɓin na'ura mai canzawa na ciki da ke takawa a cikin na'urorin wutar lantarki da aka sanya a cikin tsarin radial da madauki. Ga mafi yawan yanayi inda ake buƙatar canza canjin a cikin tsarin ciyarwar madauki, za a buƙaci nau'in sauyawa da aka tattauna a sama. Sauye-sauyen matsayi guda uku suna ba da mafi yawan aiki, kuma saboda wannan dalili, su ne mafita mai kyau a cikin mai canza canji wanda aka sanya a cikin tsarin madauki.
Takaitawa
A matsayin babban yatsan yatsa, radial feed pad-mounter mai canzawa yawanci yana nuna tsarin radial. Tare da madauki mai ɗaukar wutan lantarki, yana iya zama da wahala a yanke shawara game da tsarin kewaye. Kasancewar maɓallan masu zaɓin mai da aka nutsar da mai na ciki sau da yawa zai nuna tsarin madauki, amma ba koyaushe ba. Kamar yadda aka ambata a farkon, ana amfani da tsarin madaukai a inda ake buƙatar ci gaba da sabis, kamar asibitoci, filayen jirgin sama, da harabar kwaleji. Don shigarwa mai mahimmanci irin waɗannan, ana buƙatar takamaiman tsari koyaushe, amma yawancin aikace-aikacen kasuwanci da masana'antu za su ba da damar yin sassauci a cikin daidaitawar taswirar da aka ɗora da pad-musamman idan tsarin yana radial.
Idan kun kasance sababbi don yin aiki tare da aikace-aikacen taswira na radial da madauki na madaidaicin madauri, muna ba da shawarar kiyaye wannan jagorar ta zama abin tunani. Mun san ba cikakke ba ne, kodayake, don haka jin daɗin tuntuɓe mu idan kuna da ƙarin tambayoyi. Muna kuma yin aiki tuƙuru don adana kayan aikin mu na taransfoma da sassa, don haka sanar da mu idan kuna da takamaiman buƙatun aikace-aikacen.
Lokacin aikawa: Nuwamba-08-2024