IS200BPIBG1A IGBT Drive Bridge Personality Interface Board wani ci-gaban dubawa ne wanda GE Industrial Control Systems ya tsara don tsarin tuƙi AC mai hawa uku na tushen IGBT. A matsayin ainihin kwandishan siginar da sashin kula da kariya tsakanin na'urorin lantarki mai sarrafawa da na'urorin lantarki, IS200BPIBG1A daidai tana musanya siginonin sarrafa dijital na matakin dabaru daga mai haɗin P1 zuwa uku ko shida Direba Direba / Shunt Feedback allon. A lokaci guda, ta hanyar ginanniyar keɓancewar wutar lantarki-Controlled Oscillator (VCO), yana sa ido kan wutar lantarki ta hanyar haɗin DC da VAB da VBC lokacin fitarwa na lantarki a cikin ainihin lokaci. IS200BPIBG1A yana da alhakin watsa umarnin tuƙi da tattara siginar amsawa kawai, amma kuma yana haɗa nau'ikan kuskure, sarrafawa, da tsarin bayar da rahoto. Yana ba da damar amsa kuskure mai sauri, mai cin gashin kansa, ta haka yana haɓaka aminci da amincin duk tsarin tuƙi.
Zane na hukumar IS200BPIBG1A ya ƙunshi falsafar GE na daidaitawa da hankali a fagen tuƙi na masana'antu. IS200BPIBG1A tana goyan bayan tsarin gada guda ɗaya (mai sarrafa allunan direba uku) da daidaitawar gada-daidaitacce (mai sarrafa allunan direba shida), daidaitawa da buƙatun tuƙi na matakan wutar lantarki daban-daban. Ana aiwatar da dabarun sarrafawa na kowane lokaci a cikin Na'urar Ma'auni Mai Tsare Tsare Tsara (EPLD). Ayyukan matakai guda uku sun yi daidai da juna kuma sun keɓance juna, suna tabbatar da cewa rashin daidaituwa a cikin lokaci ɗaya ba zai shafi aikin yau da kullun na sauran ba.
Babban Ayyuka da Sarrafa Gine-gine
IS200BPIBG1A yana haɗa nau'ikan nau'ikan ayyuka masu mahimmanci guda uku: sarrafa umarnin tuƙi na ƙofa da sarrafa kuskure, ingantaccen ƙarfin tashoshi da yawa da daidaita siginar martani na yanzu, da tara kuskuren matakin tsarin da rahoto.
Gudanar da EPLD mai zaman kanta a kowane lokaci : An saita IS200BPIBG1A tare da EPLD ɗaya don kowane nau'in A, B, da C. Sai dai ga tsarin gama-gari, agogo, da ayyukan sake saiti, waɗannan na'urori guda uku suna aiwatar da ayyuka masu mahimmanci ga matakan su daban-daban. Manyan ayyuka sun haɗa da:
Babban / Ƙarƙashin Ƙarƙashin Direba : Dangane da umarnin kunnawa / kashewa daga babban tsarin sarrafawa, yana haifar da kuma sarrafa siginar sarrafawa don IGBT na sama da ƙananan na ƙafar lokaci.
Soft Rufewa akan Laifi : Lokacin da aka gano rashin daidaituwa na IGBT ko rashin daidaituwa na lokaci mai tsanani, EPLD ta atomatik ta fara tsarin rufewa mai laushi, yana kashe IGBT ta hanyar sarrafawa. Wannan yana hana lalacewa ta biyu ga na'urar daga manyan ƙarfin wutan lantarki wanda ke haifar da kashewa mai wuya. Da zarar an fara, wannan jerin ba za a iya katse shi ta umarnin kunnawa waje ba. Dole ne a kammala jerin abubuwan kuma a share latti kafin a karɓi sabbin umarnin kunnawa. Wannan tsarin yana haɓaka ƙayyadaddun matakan kariya sosai.
Laifi Latching da Bayar da Rahoto : Yana yankewa da latches babba/ƙananan IGBT kurakurai da kurakuran ƙarancin wutar lantarki, kuma yana ba da rahoton wannan bayanin kuskuren zuwa tsarin sarrafawa mafi girma ta hanyar haɗin P1.
Takaitaccen Bayanin Gada na Yanzu : A cikin daidaitaccen tsarin gada, EPLD yana karɓar siginonin ra'ayoyin VCO na yanzu daga kafafun gada guda biyu, yanayi da matsakaita su, kuma suna fitar da sigina mai haɗaka da ke wakiltar jimlar halin yanzu zuwa mai haɗin P1. Wannan yana sauƙaƙa aiki don sarrafawa mafi girma.
Wannan gine-gine mai zaman kansa na kowane lokaci yana ba da damar IS200BPIBG1A don samar da tsari mai ma'ana da tsinkaya da halayen kariya, ko ana amfani da su a cikin gada ɗaya ko tsarin layi ɗaya na gada biyu.
Tsarin Tsarin Samar da Wuta
Gine-ginen samar da wutar lantarki na IS200BPIBG1A yana tabbatar da tsayayyen keɓantawar lantarki tsakanin manyan ƙarfin lantarki da ƙananan ƙarfin lantarki, da kuma tsakanin matakai. IS200BPIBG1A tana karɓar wutar lantarki mai murabba'in 17.7 V AC daga mahaɗin P1, wanda ake rarrabawa zuwa tasfoma guda uku, ɗaya a kowane lokaci. Kowane taransfoma sanye take da windings biyu na biyu, kowanne yana yin ayyuka daban-daban:
Samar da Interface Mai Warewa : Iskar iska ta farko ta farko an gyara ta ne da tacewa don samar da wutar lantarki ta +7.5 V DC, wanda sai an daidaita shi daidai zuwa +5V ta hanyar mai sarrafa layi. Wannan yana ba da tsayayye mai aiki da ƙarfin lantarki don keɓaɓɓen da'irorin dubawar sarrafawa na kowane lokaci. An sadaukar da wannan samar da wutar lantarki don ba da ikon watsa siginar banbanta tsakanin hukumar tuƙi da IS200BPIBG1A, samun keɓewar aminci tsakanin bangarorin sarrafawa da wutar lantarki.
Bayar da Bayanin Wutar Lantarki VCO Samar da : Iskar na biyu na biyu kuma ana gyarawa da tacewa, yana fitar da keɓaɓɓen wutar lantarki ± 12 V DC. Ana amfani da wannan wadatar ta musamman ta daidaitattun da'irori na analog kamar ƙarfin wutar lantarki na zamani VCOs da ƙarfin haɗin haɗin DC VCO. Haɗaɗɗen mai daidaita layin layi na 5 V akan wadatar +12 V a cikin gida yana haifar da wadataccen kayan aikin haske da ke buƙata ta da'irori na VCO.
Samar da Ma'ana ta Sarrafa : Ma'aunin +5 V DC da ake buƙata ta babban dabarar sarrafa tsarin ana bayar da shi kai tsaye zuwa allon IS200BPIBG1A ta hanyar haɗin P1, tare da matsakaicin ƙarfin wutar lantarki na 2.5 Watts kawai.
Nauyin halin yanzu don wadatar 17.7 V AC na hukumar ya bambanta da mitar sauyawar tuƙi da juriya na ƙofar IGBTs. Lokacin tuki allunan direba uku, yawan wutar lantarki shine 20 W a mitar sauyawa 5 kHz da 35 W a 10 kHz. Lokacin tuki allunan direba shida, yawan wutar lantarki shine 35 W a 5 kHz da 65 W a 10 kHz.
IGBT Ƙofar Drive Control da Soft Rufe Kariya
IS200BPIBG1A tana karɓar umarnin kunnawa/kashe masu zaman kansu (alamun sigina masu aiki kamar NAUD, NALD, da sauransu) don IGBT na sama da na ƙasa na kowane lokaci ta hanyar haɗin P1, yayin da lokaci guda ke karɓar ra'ayin matsayi na kuskure daga allunan Direban Ƙofar daidai. EPLD tana sarrafa waɗannan sigina don cimma madaidaicin sarrafa lokacin tuƙi da kariya ta hankali.
Siffar sa hannu ita ce aikin rufewa mai laushi . Lokacin da aka gano IGBT yana cikin desaturation (watau, na'urar ta bar yankin jikewa kuma ta shiga yankin haɓakawa na layi, yana haifar da raguwar ƙarfin wutar lantarki a jihar da sauri) ko kuma an gano rashin daidaituwa na yanzu tsakanin ƙafafun gada a wannan lokacin, IS200BPIBG1A ba kawai aiwatar da kashe IGBT nan take ba. Madadin haka, yana amfani da ƙirar 2 MHz zuwa siginar kunnawa direba, yana kashe na'urar tare da gangara mai laushi. Wannan hanya mai laushi mai laushi tana danne ƙimar canjin halin yanzu (di/dt) da ƙarfin ƙarfin wutar lantarki yayin aiwatar da kashewa, yana kare IGBT daga rushewar wutar lantarki.
Da zarar an kunna jerin kashewa mai laushi, zai yi aiki har zuwa ƙarshe, koda an cire umarnin kunnawa waje a wannan lokacin. Duk wani sabon umarnin kunna kunnawa za a yi watsi da shi har sai an share lashin kuskuren da gaske. Wannan tsarin 'ƙulla-da-cikakke' yana hana na'urar kunna akai-akai a ƙarƙashin yanayin kuskure mara kyau, yana ba ma'aikatan aiki da alamar kuskure da amintaccen taga bincike.
Game da kunna tuƙi, IS200BPIBG1A yana bin tsarin aminci na waya biyu na GE. A lokacin aiki na al'ada, ana kiyaye layin DRVPC a hankali, yayin da +5 V ake amfani da layin DRVP5. Lokacin da tsarin ya gano duk wani kuskure da ke buƙatar musaki mai tuƙi, zai iya ko dai ya ja layin DRVPC mai tsayi don fara kashe direba mai sauri, ko yanke wutar lantarki daga layin DRVP5 don cire wutar gaba ɗaya daga mahaɗan direba, samun keɓewa mai aminci.
Madaidaicin Hankali na Yanzu da Kariyar Rashin daidaituwa tsakanin Gada
IS200BPIBG1A yana ba da madaidaicin tashar martani na yanzu don kowane lokaci. Yanayin aiki ya bambanta dangane da tsarin tsarin:
Yanayin Guda-Bridge : Siginar mitar VCO na shunt daga allon direba (wanda ke tsakiya a 1 MHz, tare da shigar da ± 200 mV daidai da ± 800 kHz sabawa) ana daidaita shi kai tsaye ta da'irori na IS200BPIBG1A kuma sun wuce ta hanyar canzawa zuwa mai haɗin P1 don siye ta hanyar sarrafa matakin mafi girma.
Yanayin Daidaitawa-Bridge : Kowane lokaci yana karɓar sigina na yanzu na VCO guda biyu daga allunan ƙafar ƙafa masu zaman kansu guda biyu. Da'irar analog na ciki na IS200BPIBG1A na farko yanayin waɗannan sigina guda biyu, sannan matsakaita su, kuma aika da matsakaicin siginar mitar da aka samu zuwa mai haɗin P1. Wannan maƙasudin na'ura na hardware yana tabbatar da cewa bayanin game da ma'auni na yanzu tsakanin kafafun gadon layi daya ba a rasa ba, yayin da yake samar da iko mafi girma tare da taƙaitaccen bayani na yanzu daidai.
Mai gano rashin daidaituwa na dijital shine muhimmin yanayin aminci na IS200BPIBG1A a cikin aikace-aikacen layi daya. Wannan mai ganowa yana kwatanta siginar VCO guda biyu na yanzu a kowane lokaci a ainihin lokaci. Idan an gano bambance-bambancen da ba daidai ba a cikin rarrabawar yanzu tsakanin gadoji, nan da nan ya haifar da aikin kariya. Yawanci, rashin daidaituwa na 10% na yanzu na iya haifar da tafiyar tsarin cikin 88 microsecond. Don yanayin haɗari mai matuƙar haɗari na gada-zuwa gada harbi-ta, an taƙaita lokacin amsawar kariya zuwa kusan 8 micro seconds. Bayan gano rashin daidaituwa, IS200BPIBG1A tana tilasta siginar kuskure kuma ta saita madaidaicin kuskuren, yayin da a lokaci guda fara tsarin rufewa mai laushi da aka kwatanta a sama. Wannan keɓe kuskure tare da iyakar gudu don hana haɓakawa.
Yana da mahimmanci a lura cewa siginonin kuskure na overcurrent (OC) ko DI/DT na shunt daga hukumar direba kawai OR-ed tare kuma an wuce ta ta hanyar IS200BPIBG1A a bayyane don bayar da rahoto ga mai haɗin P1. Ba su fara kashewa mai laushi ba, kuma ba a makale su a wannan allo. Dabarar sarrafa waɗannan nau'ikan laifuffuka shine kawai alhakin babban matakin kulawa da aka haɗa da P1, yana nuna falsafar ƙira mai karewa.
Gada biyu suna ba da damar layin sigina, BR1EN da BR2EN, kuma ana bayar da su akan mahaɗin P1. Ta hanyar kunna ko kashe hanyar sigina don madaidaicin ƙafar gada, tsarin sarrafawa na iya yin binciken kan layi na siginar amsa gada ɗaya ko kuma daidaita tsarin don yanayin aiki gada ɗaya ko gada biyu.
Tsarin Sake mayar da wutar lantarki
IS200BPIBG1A yana ba da tsarin tuƙi tare da keɓaɓɓen tashoshi uku na VCO na amsawar wutar lantarki, suna rufe mahimman buƙatun don fitarwa na AC da saka idanu na haɗin DC.
VAB da VBC Mataki-zuwa-Mataki na Ƙarfin wutar lantarki : An ƙirƙira kai tsaye daga tashoshi a kan fitarwar tuƙi, waɗannan suna zama masu zaman kansu biyu masu zaman kansu, keɓaɓɓen da'irar VCO masu samar da wutar lantarki. Duk VCOs suna a tsakiya a 976.8 kHz (fitarwa na ƙididdiga a sifili-zuwa-lokaci ƙarfin lantarki) tare da tsayayyen kewayon 0 zuwa 2 MHz. Canjin wutar lantarki na ± 1.0 V lokaci-zuwa-lokaci ana jujjuya shi ta layi kai tsaye zuwa juzu'in mitar ± 959.58 Hz. Wannan madaidaiciyar hanya madaidaiciya, hanyar watsa mita-daidaita ta asali tana da ƙaƙƙarfan garkuwar amo kuma amintacciya tana haɗa siginar mitar zuwa ma'auni ta hanyar ma'aurata na gani, yana tabbatar da amintaccen canja wurin siginonin gefen wuta mai ƙarfi. Matsakaicin fitarwar sa na yau da kullun shine ± 0.15% kawai, kuskuren riba na yau da kullun shine ± 0.5%, kuma juzu'i akan cikakken kewayon zafin jiki baya wuce ± 0.0085%/°C. Wannan matakin daidaito ya isa don sarrafa kayan aiki mai girma.
Feedback Voltage na DC Link : An ƙaddamar da VCO na uku don saka idanu kan ƙarfin haɗin DC. Ana daidaita shigarwar sa kamar yadda 0 zuwa 1198 V yayi daidai da 0 zuwa 2 MHz, watau, son zuciya na 0 Hz, yana sauƙaƙa sake gina ƙimar wutar lantarki ta hanyar counter. Hakanan wannan tashar tana amfani da keɓewar gani, tare da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun wutar lantarki na zamani VCO. Yana ba da tsarin daidaitaccen, saka idanu na gaske na wutar lantarki bas na DC don tallafawa aiwatar da ayyuka kamar kariya ta wuce gona da iri da sarrafa naúrar birki.
Gudanar da Laifi da Tsarin Rahoto
Tsarin gudanarwa na kuskure na IS200BPIBG1A yana da matsayi a sarari kuma yana da ƙayyadaddun ayyuka. Ga kurakuran tuƙi na ƙofa na sama da na ƙasa (desaturation da ƙarancin ƙarfin lantarki), IS200BPIBG1A yana ɗaukar su da kansa ga kowane lokaci. A duk lokacin da aka umurci IGBT ya kunna, duk wani kuskuren da ke da alaƙa da da'irar direbansa ana tabbatar da shi nan da nan akan layin kuskuren lokaci na P1 (mai girma mai ƙarfi). A cikin daidaitawar gada mai layi daya, siginonin kuskure iri ɗaya daga gada biyu ana fara OR-ed tare a kan allo kafin a ba da rahoto. Sabili da haka, daga hangen nesa P1, kawai lokacin kuskure da nau'in (na sama / ƙasa) za'a iya ganowa. Idan ya zama dole a bambance wace takamaiman ƙafar gada ce ta jawo laifin, tsarin matakin mafi girma zai iya yin bincike da aka yi niyya bayan laifin ya faru ta hanyar kunna gada guda ɗaya da karanta matsayin latch ɗin kuskure.
Duk jihohin da ba su da laifi sun kasance suna saita har sai tsarin ya aika da kuskuren sake saitin umarni ta layin NFLTRST (ƙananan aiki) akan mai haɗin P1. Wannan tsarin riƙon yana tabbatar da cewa ba a taɓa rasa ɓangarorin wucin gadi ba kuma yana ba da tabbataccen shaida don bincike bayan kuskure.
Kanfigareshan Interface da Connector
IS200BPIBG1A musaya tare da tsarin baya na tsarin ta hanyar daidaitaccen mai haɗa VME P1. Ma'anar fil ɗin sa ƙanƙanta ce kuma tana yin la'akari da tsawatarwa mai ƙarfi. Layukan B da C na mai haɗin P1 suna ɗaukar duk siginar sarrafawa mai mahimmanci, gami da: 17.7 V AC ikon, gada yana ba da damar, ikon sarrafa direba, sake saiti na kuskure, matsayi na sama / ƙananan kuskure don duk matakan, kuskuren shunt, umarnin tuƙi, abubuwan VCO na yanzu, lokaci da DC haɗin wutar lantarki VCO abubuwan fitarwa, layin ID na hukumar serial, da wutar lantarki +5 V. Layukan A da D an sadaukar da su ne ga barin wutar lantarki, suna tabbatar da amintaccen tazara tsakanin sigina mai girma da ƙananan ƙarfin lantarki.
Ana samun haɗin kai zuwa allunan direba ta hanyar haɗin keɓaɓɓen filogi guda shida a gaban panel:
PAPL, PBPL, PCPL : Waɗannan masu haɗin haɗin yanar gizo sun dace da allon direbobi na matakan A, B, da C, bi da bi. Kowane mai haɗawa ya haɗa da nau'i-nau'i daban-daban don VCO na yanzu, nau'i-nau'i daban-daban don kuskuren shunt, nau'i-nau'i daban-daban don kuskuren babba / ƙananan (daidai da gadar 1 da gadar 2), wadatar + 5 V da na kowa, da kuma mai zaman kanta + 5 V yana ba da kayayyaki ga manyan da'irori na sama da ƙananan.
DPAPL, DPBPL, DPCPL : Waɗannan suna ba da wutar lantarki ta 17.7 V AC zuwa allon direba na daidaitaccen lokaci.
Bugu da kari, hukumar IS200BPIBG1A tana da tashoshi biyar masu saurin kawowa don fitar da layukan gano wutar lantarki na matakai A, B, da C, da kuma hanyar haɗin DC tabbatacce da layukan tsinkaya mara kyau, suna sauƙaƙe filaye masu dacewa.
Hukumar IS200BPIBG1A tana da ƙaƙƙarfan ƙira ba tare da kayan aikin daidaitacce ba, babu wuraren gwaji, babu alamun LED, kuma babu fis. Ana aiwatar da duk ayyuka ta hanyar ƙayyadaddun da'irori, rage wuraren kiyaye filin da haɓaka amincin dogon lokaci na kayan aiki a cikin mahallin masana'antu masu tsauri.
