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Njengomkhiqizi wemishini yamandla ochwepheshe,Amandla Anqianginikeza okuthembekileI-I-Zero Sequence Current Transformeryakhelwe ukuthola insalela yamanje kanye nokusekela ukuvikelwa kwephutha lomhlaba ezinhlelweni zokusabalalisa amandla. Isakhiwo sayo esihlukanisayo, ukusebenza kazibuthe okuzinzile, nokufakwa kalula kuyenza ifanelekele izinhlelo zokusebenza zokuvikela nokuqapha lapho ukutholwa kwamaphutha okusheshayo nokusebenza okuthembekile kubalulekile.
I-Zero Sequence Current Transformer iyi-transformer yamanje ekhethekile esetshenziselwa ukuthola insalela noma i-zero-sequence yamanje ebangelwa ukungalingani kwamanje kanye namaphutha omhlaba. Ngokungafani nama-transformer amanje avamile akala ngokuyinhloko imisinga yesigaba ngasinye, le divayisi iqapha ukudlula okuhlanganisiwe kwamanje kumongo we-transformer. Ngaphansi kwezimo ezijwayelekile zokusebenza, isamba sevekhtha yamaza okugadwa siseduze noziro. Lapho kwenzeka iphutha lomhlaba noma indlela yokuvuza, ibhalansi iyashintsha futhi kutholwa umsinga osele. Lesi siginali singabe sesidluliselwa ku-relay yokuvikela ukuze kuqalwe isenzo sokuvikela esifanele.
Kumanethiwekhi okusabalalisa ezimbonini, iziteshi ezingaphansi, imihlangano ye-switchgear, namaphrojekthi wokubuyisela kabusha, ukukhetha isiguquli esifanele kudinga ukunakwa kwesakhiwo esiyinhloko, usayizi wembobo, ukufakwa kwe-insulation, indlela yokufaka, ukunemba, ukuhambisana kwe-relay, kanye nezimo zemvelo. I-Zero Sequence Current Transformer ekhethwe kahle ingathuthukisa ukuqapha amaphutha kuyilapho isiza amasistimu okuvikela ukuphendula ngempumelelo kakhulu.
Iyini i-Zero Sequence Current Transformer?
Isebenza Kanjani I-Zero Sequence Current Transformer?
Yiziphi Izici Eziyinhloko Zesiguquli Samanje Sokulandelana Kweziro?
Isetshenziswa kuphi I-Zero Sequence Current Transformer?
Kufanele Ukhethe Kanjani I-Transformer Elungile?
Yini Okufanele Icatshangelwe Ngesikhathi Sokufaka?
Imininingwane Yomkhiqizo kanye Nereferensi Yokukhetha
I-Zero Sequence Current Transformer, evame ukubizwa ngokuthi i-core-balance current transformer noma i-residual current transformer, iklanyelwe ukuthola ukungalingani kwamanje ngaphakathi kwesekethe kagesi. Ukusetshenziswa kwayo okuyinhloko ukuhlonza insalela yamanje ehlobene namaphutha omhlaba, izinkinga zokuxhumanisa, noma izindlela zokuvuza.
Umqondo wokusebenza uhlukile kulowo we-transformer yesigaba esivamile. Esikhundleni sokulinganisa i-conductor eyodwa kuphela, ama-conductor esifunda esivikelwe adlula kumongo kazibuthe. Lapho ama-currents ageleza kuma-conductor alinganisela, imiphumela yawo kazibuthe ikhansela kakhulu. Uma iphutha libangela ukuthi i-current igeleze ngendlela engahlosiwe, inkambu kazibuthe eyinsalela ikhula kumongo futhi ukuphenduka kwesibili kukhiqiza isignali ehambisanayo.
Lesi simiso sokusebenza sivumela i-transformer ukuthi isebenze ndawonye nama-relay okuvikela kanye nezinye izinto zokuqapha. Konjiniyela bakagesi nezihlanganisi zesistimu, idivayisi ngakho-ke isebenza njengengxenye ebalulekile yezinzwa ngaphakathi kohlelo lokuvikela amaphutha lomhlaba.
Umgomo wokusebenza uhlobene eduze noMthetho Wamanje we-Kirchhoff. Kusekhethi yezigaba ezintathu ezilinganisiwe, isamba se-vector yama-currents wesigaba sithiziro ngokwethiyori:
Ia + Ib + Ic = 0
Ngenxa yalokho, i-flux kazibuthe ekhiqizwa ngaphakathi kwengqikithi iyancipha futhi ukuphuma kwesibili kuhlala kuncane kakhulu.
Uma kwenzeka iphutha lomhlaba, ingxenye yamanje ishiya isifunda esihlosiwe ngendlela engahlosiwe. Ngakho-ke ibhalansi yamanje iphazamisekile:
Ia + Ib + Ic ≠ 0
Umphumela wamanje oyinsalela udala i-flux kazibuthe kumongo. Ukuphenduka kwesibili kube sekukhiqizela isignali kagesi engatholwa nge-relay yokuvikela.
Ukulandelana kokuvikela okujwayelekile kungafingqwa ngale ndlela elandelayo:
Le nqubo ivumela isistimu yokuvikela ukuthi ibone amandla asalayo angajwayelekile ngaphandle kokuthembela kuphela ezilinganisweni ezivela kuma-transformer amanje esigaba ngasinye.
Ezisetshenziswa zikagesi ezimbonini, ukwakhiwa kwemishini nokusebenza kwe-electromagnetic kubaluleke ngokulinganayo. Uchungechunge lwe-Anqiang Power lwe-LXK lusebenzisa idizayini ehlukanisayo ene-epoxy resin vacuum vacuum cast, evumela i-transformer ukuthi ifakwe eduze kwezintambo eziyinhloko ezikhona ngaphandle kokudinga ukususwa kwekhebula. Lokhu kungaba wusizo ikakhulukazi kumaphrojekthi wokubuyisela nokunakekela lapho ukunciphisa isikhathi sokuphumula kubalulekile.
Izici eziningana okufanele zicatshangelwe lapho kuhlolwa lolu hlobo lwe-transformer:
Lezi zici zenza imiklamo ye-split-core isebenze ikakhulukazi lapho uthuthukisa ingqalasizinda kagesi ekhona ngaphandle kokuguqulwa okubanzi kwesekhethi eyinhloko.
I-Zero Sequence Current Transformer ingahlanganiswa nohlu olubanzi lokusatshalaliswa kwamandla kanye nezinhlelo zokuvikela. Indima yayo eyinhloko ukuhlinzeka ngolwazi oluyinsalela kumishini yokuvikela noma yokuqapha.
Izinhlelo zokusebenza ezijwayelekile zifaka:
Isibonelo, kukhabhinethi yokusabalalisa, i-transformer ingakwazi ukuqapha abaqhubi abadla isifunda esingezansi. Uma ukuwohloka kwe-insulation kubangela ukuthi umthamo wamanje ugeleze ubheke emhlabeni, amandla asalayo angaba umphumela angatholwa futhi adluliselwe ku-relay yokuvikela. I-relay ingase inqume ukuthi isimo esilinganisiwe sidinga ukuphazamiseka kwesifunda.
Le ndlela ibalulekile ngoba ukutholwa kusenesikhathi kwezimo zamanje ezingavamile kungasiza ekunciphiseni ubungozi bokulimala kwemishini, isikhathi esinwetshiwe sokungasebenzi, kanye nezigameko zokuphepha zikagesi.
Ukukhetha I-Zero Sequence Current Transformer akufanele isekelwe kusayizi wokuvula kuphela. Onjiniyela kufanele bahlole isistimu kagesi, indawo yokufaka, ukudluliselwa kokuvikela, nokuhlelwa komshini ndawonye.
| Isici Sokukhetha | Okufanele Ukucabangele | Kungani Kubalulekile? |
|---|---|---|
| I-Core Aperture | Qondanisa ububanzi bangaphakathi nekhebula noma uhlelo lwekhondatha | Iqinisekisa ukufakwa okusebenzayo kanye nemvume eyanele |
| I-Voltage yesistimu | Qinisekisa ukuhambisana nohlelo lukagesi | Isekela ukwahlukanisa okufanele nokusebenza okuphephile |
| I-Residual Yamanje | Nquma ibanga lokutholwa elilindelekile | Isiza ukuqinisekisa ukuzwela kokuvikela okufanele |
| Ukuhambisana kwe-Relay | Hlola okuphumayo kwesibili kanye nezidingo zokudlulisela phambili | Iqinisekisa ukuthi isistimu yokuvikela ingatolika kahle isignali |
| Indlela Yokufaka | Cabangela ukwakhiwa kwe-solid-core noma i-split-core | Amamodeli we-Split-core anenzuzo ezinhlelweni zokubuyisela kabusha |
| Izimo Zemvelo | Izinga lokushisa, izinga lokungcola, umswakama, nendawo yokufaka | Isekela ukusebenza okuthembekile kwesikhathi eside |
Kuzinhlelo zokusebenza ze-retrofit, i-split-core transformer inganikeza inzuzo ebonakalayo ebonakalayo ngoba ochwepheshe bangakwazi ukuyifaka eduze kokuhlelwa kwekhebula okukhona kunokuhlakaza ngokuphelele isekethe eyinhloko.
Ukufakwa okulungile kubalulekile ekulinganiseni okuthembekile kwensalela-yamanje. I-conductor ehamba nge-aperture ye-transformer kufanele ilandele umklamo wokuvikela ukuze i-transformer ilinganise ubuhlobo obuphelele bamanje besifunda esivikelwe.
Ngaphambi kokufaka, onjiniyela kufanele baqinisekise:
Ochungechungeni lwe-LXK olukhonjiwe, izimo zokusebenza ezijwayelekile ezishiwo zifaka ukufakwa kwasendlini, izinga lokushisa elizungezile elingu--5°C ukuya ku-40°C, kanye nezindawo ezingagqwali, nezinokungcola okuphansi. Onjiniyela kufanele ngaso sonke isikhathi baqinisekise izimo zangempela zephrojekthi ngokumelene nemibhalo yezobuchwepheshe yomkhiqizo okhethiwe ngaphambi kokufaka.
Uchungechunge lwe-LXK lwe-Anqiang Power luhlinzeka ngezinketho zokuvula eziningi ukuze kuhlangatshezwane nezinhlelo zekhebula eziyinhloko. Ubukhulu obutholakalayo busukela cishe ku-80 mm kuya ku-300 mm, okunikeza onjiniyela ukuguquguquka lapho behlanganisa i-transformer ezintweni ezikhona zokusabalalisa.
| Imodeli | Imbobo D | I-Dimension E | I-Dimension L | Ubukhulu L1 |
|---|---|---|---|---|
| I-LXK-80 | Φ80 | 58 mm | 130 mm | 123 mm |
| I-LXK-100 | Φ100 | 58 mm | 130 mm | 122 mm |
| I-LXK-120 | Φ120 | 57 mm | 130 mm | 120 mm |
| I-LXK-150 | Φ150 | 58 mm | 190 mm | 123 mm |
| I-LXK-180 | Φ180 | 58 mm | 190 mm | 125 mm |
| I-LXK-200 | Φ200 | 60 mm | 280 mm | 129 mm |
| I-LXK-240 | Φ240 | 80 mm | 280 mm | 167 mm |
| I-LXK-260 | Φ260 | 55 mm | 280 mm | 120 mm |
| I-LXK-300 | Φ300 | 80 mm | 280 mm | 170 mm |
Ukuze uthole ulwazi oluningiliziwe lomkhiqizo, onjiniyela bangabuyekezaIkhasi lomkhiqizo le-I-Zero Sequence Current Transformerfuthi uqhathanise osayizi bembobo abatholakalayo nezimfuneko ezibonakalayo zokufakwa.
Injongo yayo eyinhloko iwukuthola imanje eyinsalela noma eyiziro ehambisana namaphutha omhlaba nokuvuza kwamanje. Okukhiphayo kungaxhunywa ku-relay yokuvikela yokuqapha nokuhlukaniswa kwamaphutha.
Yebo. Ukwakhiwa kwe-split-core kunenzuzo ngokukhethekile ekubuyiseleni nasekulungiseni izinhlelo zokusebenza ngoba i-transformer ingahlanganiswa eduze kwekhebula elikhona ngaphandle kokudinga ukuthi ikhebula eliyinhloko linqanyulwe.
I-transformer yamanje evamile ilinganisa okwamanje ku-conductor ngayinye, kuyilapho i-zero-sequence transformer ithola amandla asele aphuma ebudlelwaneni be-vector yamakhondatha adlula phakathi kwawo.
Izinhlelo zokusebenza ezijwayelekile zifaka amakhabethe okusabalalisa, iziteshi ezingaphansi, amayunithi ayinhloko akhandayo, amasistimu okuvikela ama-transformer, ama-switchgear assemblies, namaphaneli okuvikela ama-circuit breaker.
Izici ezibalulekile zifaka indawo engaphakathi, izidingo zesistimu kagesi, amandla ensalela alindelekile, ukuphuma kwesibili, ukuhambisana kwe-relay, izidingo zokufaka ugesi, indlela yokufaka, nezimo zemvelo.
I-Zero Sequence Current Transformer iyisici esibucayi sokutholwa kwamaphutha omhlaba kanye nezinhlelo zokuvikela ugesi. Ngokuqapha amandla asele adalwa lapho ibhalansi evamile yamanje iphazamiseka, inikeza izixhumanisi zokuvikela ngolwazi olubalulekile lokuhlonza izimo zokusebenza ezingavamile. Ukwakhiwa kwe-Split-core kuthuthukisa futhi ukuguquguquka kokufakwa, ikakhulukazi kumaphrojekthi wokubuyisela kanye nokunakekela.
Kumaphrojekthi adinga ukutholwa okuthembekile kwensalela-yamanje, Amandla e-Anqiang anikezela ngezixazululo zochungechunge lwe-LXK ezinosayizi wokuvula abaningi, i-epoxy resin vacuum casting, ama-silicon steel cores abandayo, namawindi ethusi angenawo umoya-mpilo. Uma ukhetha i-transformer efanelekile yenethiwekhi yokusabalalisa, ukuhlanganiswa kwe-switchgear, noma uhlelo lokuvikela,Xhumana nathiukuze uxoxe ngezidingo zakho zobuchwepheshe futhi uthole isisombululo esifanele se-Zero Sequence Current Transformer sohlelo lwakho lokusebenza.
