Sanarwar Sakin Kulawa ta Hanyar Gwarawa
Gabaɗaya, fitar da ɓarna yana faruwa a wani wuri inda kaddarorin kayan dielectric ba iri ɗaya bane.A waɗannan wurare, ƙarfin filin lantarki na gida yana ƙaruwa, kuma ƙarfin wutar lantarki na gida ya yi girma sosai, yana haifar da rushewar gida.Wannan rugujewar juzu'i ba shine jimillar rugujewar tsarin insulating ba.Fitowar juzu'i yawanci yana buƙatar takamaiman adadin sarari don haɓakawa, kamar surar iskar gas a cikin rufin, madugu na kusa, ko mu'ujiza masu rufewa.
Lokacin da ƙarfin filin gida ya wuce ƙarfin dielectric na kayan rufewa, wani juzu'i yana faruwa, yana haifar da bugun jini da yawa don faruwa yayin sake zagayowar amfani da wutar lantarki.
Adadin fitarwar da aka bayar yana da alaƙa da alaƙa da halaye marasa daidaituwa da takamaiman abubuwan dielectric na kayan.
Mahimman fitarwa mai mahimmanci a cikin motar sau da yawa alama ce ta lahani, kamar ingancin masana'anta ko lalacewa bayan gudu, amma wannan ba shine dalilin gazawar kai tsaye ba.Koyaya, fitar da wani bangare a cikin motar shima zai iya lalata rufin kai tsaye kuma yana shafar tsarin tsufa.
Za'a iya amfani da takamaiman ma'aunin fitarwa da bincike yadda ya kamata don sarrafa ingancin sabbin iskar gas da abubuwan da aka gyara da kuma gano lahani da wuri da abubuwan da ke haifar da su kamar zafi, lantarki, muhalli da matsalolin inji a cikin aiki, wanda zai iya haifar da gazawar rufi.
Saboda ƙayyadaddun dabarun samarwa, lahani na masana'antu, tsufa na yau da kullun ko tsufa na yau da kullun, fitarwa na juzu'i na iya shafar tsarin rufewa na duk iskar stator.Zane na motar, halaye na kayan haɓakawa, hanyoyin masana'antu, da yanayin aiki suna tasiri sosai ga lamba, wuri, yanayi, da haɓakar haɓakar fitarwa na ɓarna.A mafi yawan lokuta, ta hanyar sifofin fitarwa, ana iya gano maɓuɓɓugan fitarwa na gida daban-daban da kuma bambanta.Ta hanyar yanayin ci gaba da sigogi masu alaƙa, don yin la'akari da matsayin tsarin rufewa, da kuma samar da tushen da ya dace don kiyayewa.
Sigar siffantawa na sakin juzu'i
1. Cajin fitarwa na fili q (pc).qa=Cb/(Cb+Cc), adadin fitarwa gabaɗaya ana bayyana shi ta hanyar cajin fitarwa da aka bayyana akai akai.
Ciki har da Cc yana daidai da ƙarfin ƙarfin aiki
2. Lokacin fitarwa φ (digiri)
3. Yawan maimaitawa
Dandalin software
PD mai tarawa
Babban firikwensin fitarwa 6pcs
Ma'aikatar kulawa (don sanya kwamfutar masana'antu da saka idanu, shawarar mai siye ya bayar)
1. Firikwensin siginar fidda kai
Babban firikwensin fitarwa na HFCT ya ƙunshi babban abin maganadisu, na'urar Rogowski, na'urar tacewa da samfurin, da akwatin kariyar lantarki.An raunata kwandon a kan madaidaicin maganadisu tare da babban ƙarfin maganadisu a babban mitar;Zane na sashin tacewa da samfurin yana la'akari da buƙatun ma'auni da ma'aunin mitar amsa sigina.Domin murkushe tsangwama, inganta siginar-zuwa-amo, da kuma la'akari da buƙatun ruwan sama da ƙura, Rogowski coils da na'urori masu tacewa suna shigar a cikin akwatin kariya na karfe.An tsara akwati na garkuwa tare da ƙulli mai kulle kai wanda za'a iya buɗewa ta hanyar latsa don haɓaka don tabbatar da dacewa da shigarwar firikwensin da aminci yayin aiki.Ana amfani da firikwensin HFCT don auna rufin PD a cikin iskar stator.
Epoxy mica HV coupling capacitor yana da ƙarfin 80 PF.Ma'auni hada biyu capacitors kamata ya sami babban kwanciyar hankali da kuma rufi kwanciyar hankali, musamman bugun jini overvoltage.Ana iya haɗa firikwensin PD da sauran na'urori masu auna firikwensin zuwa mai karɓar PD.Hakanan ana kiran HFCT mai faɗin bandwidth "RFCT" don hana surutu.Yawanci, waɗannan na'urori masu auna firikwensin ana ɗora su akan kebul na wuta da aka kasa.
An gina tsarin daidaita sigina a cikin firikwensin PD.Tsarin yana ƙara haɓakawa, tacewa, da gano siginar haɗe da firikwensin, ta yadda za'a iya tattara siginar bugun jini mai ƙarfi ta hanyar tsarin sayan bayanai.
Bayanan Bayani na HFCT
| Kewayon mita | 0.3MHz ~ 200MHz |
| Canja wurin impedance | Input 1mA, fitarwa ≥15mV |
| Yanayin aiki | -45 ℃ ~ + 80 ℃ |
| Yanayin ajiya | -55 ℃ ~ +90 ℃ |
| Diamita na rami | φ54 (na musamman) |
| Tashar fitarwa | N-50 soket |
Siffar girman-mita na HFCT
2. PD online gano naúrar (PD mai tarawa)
Naúrar gano fitar da ɓangarori shine mafi mahimmancin ɓangaren tsarin.Ayyukansa sun haɗa da sayan bayanai, adana bayanai da sarrafawa, da kuma iya fitar da fiber LAN na gani ko watsa bayanai ta hanyar WIFI da 4G hanyoyin sadarwa mara waya.Za'a iya shigar da siginar fitarwa da ƙasan sigina na yanzu na saiti na haɗin gwiwa da yawa (watau ABC mataki uku) a cikin ma'aikatun tasha kusa da wurin aunawa ko a cikin akwatin tasha mai goyan bayan waje.Saboda matsanancin yanayi, ana buƙatar akwati mai hana ruwa.Kayan waje na na'urar gwaji an yi shi da bakin karfe, wanda ke da kyau don kare babban mita da mita mai ƙarfi.Tun da shigarwa na waje ne, ya kamata a ɗora shi a kan ma'auni mai hana ruwa, ƙimar ruwa mai hana ruwa shine IP68, kuma yanayin zafin aiki shine -45 ° C zuwa 75 ° C.
Tsarin ciki na sashin gano kan layi
Siga da ayyuka na sashin gano kan layi
Yana iya gano ainihin sigogin fitarwa na asali kamar adadin fitarwa, lokacin fitarwa, lambar fitarwa, da sauransu, kuma yana iya samar da ƙididdiga akan sigogi masu dacewa bisa ga buƙatun abokin ciniki.
Matsakaicin samfurin siginar bugun juzu'i na ɓarna bai wuce 100 MS/s ba.
Mafi ƙarancin ma'aunin fitarwa: 5pC;ma'auni band: 500kHz-30MHz;ƙudurin bugun bugun jini: 10μs;ƙudurin lokaci: 0.18°.
Yana iya nuna zanen fitarwa na mitar wutar lantarki, nau'i biyu (Q-φ, N-φ, NQ) da sikirin fitarwa mai girma uku (NQ-φ).
Yana iya rikodin sigogi masu dacewa kamar ma'auni jerin lokaci, adadin fitarwa, lokacin fitarwa da lokacin aunawa.Zai iya samar da jadawalin fitarwa kuma yana da riga-kafi da ayyukan ƙararrawa.Yana iya yin tambaya, sharewa, wariyar ajiya da buga rahotanni akan ma'ajin bayanai.
Tsarin ya haɗa da abubuwan ciki masu zuwa don sigina da sarrafa sigina: siginar sigina da watsawa, haɓakar siginar siginar, ƙirar ƙira, gano kuskure da ƙimar ƙimar kayan aikin kebul.
Tsarin zai iya samar da lokaci da girman bayanan siginar PD da kuma yawan bayanai na bugun bugun jini, wanda ke taimakawa wajen yin hukunci da nau'i da tsanani na fitarwa.
Zaɓin yanayin sadarwa: goyan bayan kebul na cibiyar sadarwa, fiber optic, LAN mai shirya kai na wifi.
3. PD tsarin software
Tsarin yana amfani da software na daidaitawa azaman dandalin haɓakawa don saye da software na bincike don tabbatar da kyakkyawan aiwatar da fasahar hana tsangwama.Ana iya raba software na tsarin zuwa saitin sigogi, sayan bayanai, sarrafa tsangwama, nazarin bakan, nazarin yanayin, tattara bayanai da bayar da rahoto.
Daga cikin su, sashin samun bayanan yana kammala saitin katin sayan bayanai, kamar lokacin samfur, matsakaicin wurin zagayowar, da tazarar samfurin.Software na saye yana tattara bayanai bisa ga saita sigogin katin saye, kuma ta aika da bayanan da aka tattara ta atomatik zuwa software na hana tsangwama don sarrafawa.Bayan bangaren sarrafa kutse, wanda ake aiwatarwa a bayan shirin, sauran kuma ana nuna su ta hanyar sadarwa.
Fasalolin tsarin software
Babban mu'amala da kuzari yana haifar da mahimman bayanan sa ido kuma yana danna madaidaicin hanzari don samun cikakken bayani kai tsaye.
Ƙwararren aiki ya dace don amfani da inganta ingantaccen sayan bayanai.
Tare da aikin neman bayanai mai ƙarfi don neman tsari, jadawali da bincike na riga-kafi, nazarin bakan, da sauransu.
Tare da aikin tattara bayanan kan layi, wanda zai iya bincika bayanan kowane tsarin ƙasa a cikin tashar a lokacin tazarar lokacin da mai amfani ya saita.
Tare da aikin gargadi na kuskuren kayan aiki, lokacin da ƙimar ƙimar abin gano kan layi ya wuce iyakar ƙararrawa, tsarin zai aika saƙon ƙararrawa don tunatar da mai aiki don sarrafa kayan aiki daidai.
Tsarin yana da cikakken aiki da aikin kulawa, wanda zai iya dacewa da kula da bayanan tsarin, sigogin tsarin, da rajistan ayyukan aiki.
Tsarin yana da ƙarfi mai ƙarfi, wanda zai iya sauƙin fahimtar ƙarin abubuwan gano jihar na na'urori daban-daban, da daidaitawa da haɓaka haɓakar kasuwancin kasuwanci da tsarin kasuwanci; wanda za'a iya tambayarsa cikin sauƙi ko kulawa da kai.
4. Control hukuma
Ma'aikatar kulawa ta sanya na'ura mai kulawa da kwamfutar masana'antu, ko wasu na'urorin haɗi masu mahimmanci.Zai fi kyau a kawota ta hanyar amfani
An shigar da majalisar a cikin babban ɗakin kula da tashar, kuma za a iya zaɓar wasu wurare don shigarwa bisa ga buƙatun wurin.
1. Ayyuka
Ana amfani da firikwensin HFCT don auna rufin PD a cikin iskar stator.Epoxy mica HV coupling capacitor shine 80pF.Ma'auni hada biyu capacitors kamata ya sami babban kwanciyar hankali da kuma rufi kwanciyar hankali, musamman bugun jini overvoltage.Ana iya haɗa firikwensin PD da sauran na'urori masu auna firikwensin zuwa mai tara PD.Ana amfani da Wideband HFCT don hana surutu.Yawanci, waɗannan na'urori masu auna firikwensin ana ɗora su akan kebul na wuta da aka kasa.
Mafi wahalan al'amari na ma'aunin PD shine rage amo a cikin kayan aikin wutar lantarki, musamman ma'aunin bugun jini na HF saboda yana da hayaniya da yawa.Hanya mafi inganci don kawar da amo ita ce hanyar "lokacin isowa", wanda ya dogara ne akan ganowa da kuma nazarin bambancin lokutan isowar bugun jini na na'urori masu auna firikwensin da yawa daga PD ɗaya zuwa tsarin kulawa.Za a sanya firikwensin kusa da keɓaɓɓen matsayi na fitarwa wanda ta inda ake auna farkon babban mitar fitarwa.Za'a iya gano matsayi na lahani na rufi ta bambancin lokacin isowar bugun bugun jini.
Ƙayyadaddun ƙayyadaddun PD mai tarawa
●Tashar PD: 6-16.
●Mitar bugun bugun jini (MHz): 0.5 ~ 15.0.
●PD bugun jini amplitude (pc) 10 ~ 100,000.
●Gina-in gwani tsarin PD-Kwararren.
●Interface: Ethernet, RS-485.
●Wutar lantarki: 100 ~ 240 VAC, 50/60Hz.
●Girman (mm): 220*180*70.
●Tare da ƙarfin hana tsangwama mai ƙarfi.Tsarin yana amfani da fasahar gano hanyoyin sadarwa kuma yana da cikakkiyar da'irar kariyar mu'amala don yin tsayayya da tsayayyar manyan sauye-sauye na yanzu da ƙarancin wutar lantarki.
●Tare da aikin rikodi, adana ainihin bayanan gwaji, da ainihin bayanan lokacin da yanayin gwajin za'a iya kunna baya.
●Dangane da yanayin filin, ana iya amfani da hanyar sadarwar watsa fiber na gani na LAN, kuma nisan watsawa yana da tsayi, karko kuma abin dogaro.Tsarin yana da ƙarfi, mai sauƙin shigarwa, kuma ana iya gane shi ta hanyar tsarin LAN fiber-optic.
●Ana amfani da software na daidaitawa don sauƙaƙe ƙayyadaddun tsarin haɗin yanar gizo.
2. Matsayin Aiki
●IEC 61969-2-1: 2000 Tsarin injina don kayan lantarki abubuwan rufewa na waje Sashe na 2-1.
●IEC 60270-2000 Ma'aunin Fitar da Sashe.
●GB/T 19862-2005 Masana'antu aiki da kai kayan aiki da rufi juriya, rufi ƙarfi bukatun fasaha da gwajin hanyoyin.
●TS EN 60060-1 Babban fasahar gwajin wutar lantarki Kashi 1: Gabaɗaya ma'anar da buƙatun gwaji
●IEC 60060-2 Babban fasahar gwajin wutar lantarki Kashi 2: Tsarin aunawa.
●GB 4943-1995 Tsaron kayan fasahar bayanai (ciki har da na'urorin lantarki).
●GB/T 7354-2003 Ma'aunin fitarwa na juzu'i.
●DL/T417-2006 Sharuɗɗan rukunin yanar gizon don auna juzu'in fitar da kayan wuta.
●GB 50217-2007 Ƙirar Ƙira na Injiniyan Wuta.
