IS200RCSBG1B na musamman ne na RC snubber board wanda GE Masana'antu Systems suka tsara don gada mai tushe na 620 SCR-diode. A matsayin muhimmin sashi don kariyar semiconductor na wutar lantarki, babban aikin IS200RCSBG1B shine samar da ingantacciyar hanyar sadarwa ta snubber don kowane lokaci na thyristors (SCRs) da diodes a cikin gadar tushen. Yana hana wuce gona da iri da aka samar yayin motsi na na'ura wanda ke haifar da saurin sauyawa na yanzu, yana tabbatar da cewa na'urorin wutar lantarki suna aiki cikin aminci cikin ƙimar ƙarfin wutar lantarki. Kowace gadar tushen firam 620 tana sanye take da allon snubber IS200RCSBG1B guda ɗaya, wanda aka ɗora kai tsaye a kan na'urorin SCR-diode na daidaitaccen lokaci, yana samar da tsarin kariya na kusa da na'ura mai inganci.
A cikin babban ƙarfin wutan lantarki, babban gyara na yanzu da aikace-aikacen juzu'i, fiɗaɗɗen wutar lantarki na iya faruwa cikin sauƙi a cikin SCRs da diodes yayin kunnawa da kashewa saboda inductance ɗin da'ira da na'urar juyar da cajin dawo da. Idan ba a danne ba, waɗannan magudanar wutar lantarki na iya ƙetare madaidaicin ƙimar ƙarfin wutar lantarki na na'urar, wanda ke haifar da rushewar na'urar, saurin tsufa, ko gazawar bala'i. Ta hanyar daidaita hanyar sadarwa ta RC snubber a kan kowace na'ura mai ƙarfi, IS200RCSBG1B tana ɗaukar kuzarin motsa jiki, yana iyakance ƙimar canjin wutar lantarki (dv/dt) da ƙarar ƙarfin lantarki zuwa matakan aminci. Wannan yana haɓaka rayuwar sabis na kayan wuta yadda ya kamata kuma yana haɓaka amincin gabaɗayan gadar tushen.
Matsayin Tsarin da Yanayin Aiki
Tsarin tuƙi mai matsakaicin ƙarfin lantarki na IS200RCSBG1B ana amfani dashi galibi a aikace-aikacen tuƙi mai ƙarfi kamar su mataimakan injin wutar lantarki, manyan kwampressors, famfo, fanfo, da tura ruwa. A cikin waɗannan aikace-aikacen, gadar tushen tana aiki azaman ƙarshen wutar lantarki, tana mai da wutar lantarki AC zuwa DC. Tabbacin ci gaba da aiki da shi kai tsaye yana ƙayyadad da samuwar gabaɗayan tsarin tuƙi mai canzawa. IS200RCSBG1B an ɗora shi kai tsaye a kan tashoshi na wutar lantarki, baya buƙatar ƙarin maƙallan hawa ko insulating goyon baya. Tsarinsa na injiniya yana da sauƙi, haɗin lantarki yana da aminci, kuma yana da ikon tsayayya da girgizar injiniya da damuwa na zafi da aka haifar yayin aikin kayan aiki.
Ƙirar allon yana da cikakken lissafin halayen lantarki na gadar tushen firam 620. Wutar shigar da AC ɗinta na iya kaiwa har zuwa 600 V layi-zuwa layi rms, wanda ke rufe yawancin matakan samar da wutar lantarki na masana'antu. Ana ƙididdige ƙarfin ƙarfin kan jirgin da sigogin juriya a hankali don dacewa da ƙayyadaddun samfuran samfuran SCR-diode da aka yi amfani da su a cikin gada ta tushe.
Ƙa'ida da Ƙira na Snubber Circuit
Kowane kwamiti na IS200RCSBG1B yana haɗa nau'ikan capacitors na snubber guda shida, saiti ɗaya don kowace na'urar wuta (SCR ko diode) a cikin gada. Kowane saitin ya ƙunshi capacitors guda biyu da aka haɗa a layi daya don samar da isassun ƙarfin iya sarrafa ripple na yanzu da ƙarancin inductance jerin daidai gwargwado. Tsarin layi ɗaya ba kawai yana ƙara ƙarfin ƙarfin tasiri ba amma har ma yana rage tasirin gazawar capacitor guda ɗaya akan tsarin-idan ɗayan capacitor ya gaza buɗe-da'irar, ɗayan na iya ci gaba da samar da ayyukan snubber na asali, cimma wani nau'i na redundancy.
Capacitors suna aiki tare tare da masu adawa da snubber na waje (haɗe ta hanyar tashoshi-kan soka) don ƙirƙirar da'irar shayarwar RC ta gargajiya. Lokacin da SCR ko diode ke kashe, makamashin da aka adana a cikin inductance ɗin da ba ta dace ba ana canjawa wuri kuma a bazu ta cikin da'irar RC, ta haka yana iyakance ƙimar haɓakar ƙarfin lantarki da mafi girman ƙarfin lantarki a cikin na'urar. Bugu da ƙari, wannan hanyar sadarwa na iya, zuwa wani matsayi, rage al'amurran raba wutar lantarki da ke haifar da rashin daidaituwar ma'auni tsakanin na'urori masu kama da juna.
Na'urorin wutar lantarki na kan jirgin suna da kololuwar juriya na halin yanzu har zuwa 8.5 A, wanda ya isa don sarrafa igiyoyin matsananciyar mitar motsi yayin tafiya. Ƙimar 0.5 A rms yana tabbatar da haɓakar zafin jiki mai sarrafawa yayin aiki na dogon lokaci. Jimillar ƙimar ƙarfin ƙarfin jeri daga 0.095 µF zuwa 0.150 µF, tare da ƙayyadaddun ƙimar da za'a iya daidaitawa dangane da sigogin na'ura da wutar lantarki na tsarin.
Tsarin Injini da Haɗin Wutar Lantarki
Tsarin injina na IS200RCSBG1B yana bin ka'idar hawa kai tsaye akan tashoshin wutar lantarki. Ana kiyaye allon kai tsaye ta hanyar SCR da diode module tashoshi. Ana amfani da 'ya'yan itace da wanki don maƙale haɗin haɗin ido na allon akan madafunan tashar na'urar, cimma duka haɗin wutar lantarki da na'ura mai ƙarfi. Wannan ƙirar tana kawar da buƙatar ƙarin screws ko insulating tashe-tashen hankula, rage yawan sassan shigarwa da kawar da inductance na parasitic da hanyoyin ƙasa waɗanda aka gabatar ta hanyar ƙarin tsarin tallafi.
Tashoshin haɗin kai da sauri na hukumar sun bayyana fayyace musaya:
AC Input Terminals (E4, E8, E11) : Haɗa zuwa shigarwar AC mai hawa uku na gadar tushen.
Snubber Resistor Connection Terminals (E1, E10, E3, E14, E7, E16) : Haɗa masu tsayayyar snubber na waje.
SCR Anode/Diode Cathode Connection Terminals (E5, E9, E13) : Haɗa kai tsaye zuwa ga anode ko cathode tashoshi na na'urorin wuta.
Tashoshin Bus na DC (E2, E6, E12, E15) : Haɗa zuwa bas ɗin DC mai inganci da mara kyau, bi da bi.
Wannan shimfidar wuri yana sanya masu ƙarfin snubber kusa da na'urorin da ake kiyaye su, yana rage girman madauki na yanzu, rage inductance na parasitic, da haɓaka tasirin snubber.
Kariyar Tsaro da Kulawa
Lokacin shigarwa ko maye gurbin hukumar IS200RCSBG1B, dole ne a bi matakan aminci na ƙarfin lantarki sosai. Kafin aiki, dole ne a tabbatar da cewa kayan aikin sun ƙare gaba ɗaya, kuma dole ne a aiwatar da hanyoyin Kulle-Bayan/Tag-Out. Saboda allon yana haɗa kai tsaye zuwa manyan tashoshin wutar lantarki na tsarin wutar lantarki, ƙarfin lantarki mai haɗari na iya kasancewa a kan masu ƙarfin bas ɗin DC koda bayan an kashe kayan aiki. Gwaji tare da kayan aikin da aka ƙera don manyan ƙarfin lantarki dole ne a yi amfani da su don tabbatar da cewa makamashi ya ɓace gabaɗaya kafin a yi tuntuɓar.
Na'urar capacitors na kan jirgin ba polarized high-voltage capacitors. Ko da yake an gina shi da ƙarfi, ya kamata a nisantar girgiza injina yayin sarrafa allon don hana lalacewa ga jikunan capacitor. Ya kamata a sake yin amfani da tsofaffin alluna daidai da ƙa'idodin zubar da shara. A allo wani abu ne mai mahimmanci na fitarwa na lantarki (ESD); Dole ne a jigilar kayan keɓaɓɓun allo kuma a adana su cikin marufi na anti-static, kuma masu aiki dole ne su sanya madaurin wuyan hannu na ƙasa.
Hanyar maye gurbin shine a taƙaice kamar haka:
Tabbatar cewa kayan aikin sun ƙare kuma an aiwatar da hanyoyin aminci.
Bude kofofin majalisar gada kuma gwada don tabbatar da cewa wutar lantarki ta kashe.
Yanke kuma cire duk wani haɗin waya da ke tabbatar da wayoyi zuwa ramukan da ke kusurwoyin allo.
Cire kwayoyi da masu wanki da ke tabbatar da allon RCSB zuwa tashoshi na SCR/diode module.
Cire tsohon allo, karkatar da sabon allon a wuri guda, kuma a kiyaye shi tare da goro da wanki, jujjuyawa zuwa 13 in-lb da aka ba da shawarar.
Kiyaye kowane sako-sako da wayoyi tare da sabbin igiyoyin waya.
Rufe kofofin majalisar.
