Tsarin Tafiya na Musamman na VTUR Turbine shine ainihin abin kariya na iskar gas Mark VI da tsarin sarrafa turbine, wanda aka tsara azaman layin farko na tsaro don tabbatar da amintaccen aiki na raka'o'in injin injin. IS200VTURH1B shine babban kwamiti mai mahimmanci a cikin wannan tsarin, yana aiki azaman cibiyar sadarwa tsakanin babban kwamitin kula da VTUR da na'urori masu auna firikwensin / actuators. Yana da alhakin haɗa mahimman sigina kamar saurin, ƙarfin lantarki, da matsayi na harshen wuta, da aiwatar da tafiya da aiki tare da umarni daga mai sarrafawa. An san shi don babban abin dogaro, saurin amsawa, da cikakken bincike, ana amfani da wannan tsarin sosai a cikin sassan makamashi da masana'antu inda ake buƙatar mafi girman matakan aminci.
2. Mahimman Ayyuka & Ƙa'idodi Masu Ciki
Hukumar tashar tashar IS200VTURH1B tana aiki tare tare da babban hukumar VTUR don aiwatar da tsarin karewa da yawa, mai karewa da tsarin sarrafawa don injin turbines.
2.1 Kariya na Firamare na Farko & Ma'aunin Saurin
Wannan shine mafi mahimmancin aikin kariya na tsarin VTUR, wanda aka ƙera don hana saurin turbine ƙetare iyakokin ƙira na inji da guje wa gazawar bala'i.
Ƙa'idar Fasaha:
Sayen siginar: Tsarin yana haɗawa zuwa ɗaukar saurin maganadisu masu zaman kansu guda huɗu ta hanyar tashar tashar IS200VTURH1B. Waɗannan na'urori masu auna firikwensin an ɗora su ne kusa da dabaran gudun haƙori sittin da ke jujjuyawa tare da ramin injin turbine. Maɓallin haƙori da rata suna canza juzu'in maganadisu, suna haifar da siginar wutar lantarki ta AC tare da mitar daidai da saurin. Wannan zane yana da fa'ida saboda baya buƙatar ƙarfin waje, yana da ƙarfi, kuma yana da ƙaƙƙarfan rigakafin amo.
Sarrafa sigina: Ana watsa siginar sinusoidal masu rauni daga na'urori masu auna firikwensin ta hanyar igiyoyi masu kariya zuwa IS200VTURH1B sannan zuwa babban allo na VTUR. VTUR yana ƙunshe da adadin bugun jini zuwa da'irori na dijital, waɗanda ke fara tace siginar (cire hayaniyar mai girma), matsa shi (ƙayyadadden girman ƙarfin lantarki don kare da'irori na gaba), sannan a yi amfani da haɗin AC (cirewar DC). A Schmitt mai kunnawa sannan ya canza igiyar sine zuwa tashar jirgin kasa mai murabba'in igiyar ruwa, inda kowane bugun jini ke wakiltar wucewar hakori daya.
Lissafin Sauri & Zaɓe: Mai sarrafawa (VCMI) yana ƙididdige saurin-lokaci (RPM) ta hanyar auna mitar bugun bugun jini. A cikin tsarin TMR (Triple Modular Redundant), nau'ikan masu sarrafawa guda uku suna ƙididdige saurin da kansu, kuma ana yin zaɓin ƙimar matsakaici-matsakaicin ƙimar karatun uku ana amfani da shi azaman saurin inganci na ƙarshe don sarrafawa da kariya. Wannan tsarin zai iya jure rashin nasara a kowane nau'i ko firikwensin, yana haɓaka amincin tsarin sosai.
Maƙasudin Tafiya Mai Girma: Ana yin lissafin tafiye-tafiye na farko a cikin mai sarrafawa. Mai sarrafawa yana kwatanta saurin tsaka-tsaki da aka zaɓa da na saiti mai saurin wucewar saiti. Da zarar gudun ya wuce wurin saiti, nan da nan mai sarrafawa ya haifar da siginar tafiya. Ana aika wannan siginar zuwa hukumar VTUR, wanda ke tafiyar da jigilar balaguron farko a kan tashar tashar tafiya ta TRPx. Waɗannan relays suna sarrafa da'irar wutar lantarki na Tafiya ta Gaggawa (ETDs). Relay de-energization yana sa solenoid ya huce matsin lamba, yana haifar da tsarin na'ura mai aiki da karfin ruwa don rufe injin injin injin injin da sauri da sauri, yana samun kashewa.
2.2 Tafiya Mai Sauri Mai Sauri
Don aikace-aikace kamar injin turbin gas waɗanda ke buƙatar amsawa cikin sauri, ƙayyadaddun kariyar saurin wuce gona da iri na iya zama isasshe cikin sauri. Saboda haka, VTUR ya haɗa da Fast Overspeed Trip algorithm wanda ke gudana kai tsaye a kan kayan aikin VTUR, ketare mai sarrafawa da rage lokacin amsa tafiya zuwa 30 milliseconds ko ƙasa da haka.
Ƙa'idar Fasaha:
PR_Single (Pulse Rate - Single): Wannan algorithm yana raba sigina na firikwensin saurin gudu guda biyu zuwa allunan VTUR guda biyu. Kowane allo yana amfani da siginar firikwensin sa guda ɗaya don yin yanke shawara mai saurin gudu. Tsarin yana aiki ne kawai idan babu hukumar da ke jawo tafiya. Wannan yana ba da sakewa a duka firikwensin da matakin hukumar VTUR kuma shine mafi kyawun algorithm don jerin iskar gas na LM.
PR_Max (Pulse Rate - Maximum): Wannan algorithm yana haɗa siginar firikwensin saurin gudu guda biyu zuwa allon VTUR guda ɗaya. Hukumar tana ci gaba da kwatanta ƙimar saurin kuma koyaushe tana amfani da mafi girman gudu biyu don yanke hukunci mai saurin gaske. Wannan hanyar tana ba da kariya da kyau daga gazawar tafiya a cikin lokuta na 'karshe shaft' ko kuma tabarbarewa mai tsanani inda siginar firikwensin guda ɗaya ya gaza ko kuma ya faɗi cikin kuskure, yayin da kuma yana guje wa tafiye-tafiyen damuwa daga gazawar firikwensin guda ɗaya.
Zaɓuɓɓukan Algorithm: VTUR yana ba da algorithms masu saurin tafiya guda biyu.
Hardware Interlock: Ana ba da siginar tafiya mai sauri ta hanyar abubuwan da aka keɓe (PTR1 zuwa PTR6) akan allon VTUR kuma an haɗa shi da da'irar jigilar balaguron farko ta hanyar dabaru na OR-ƙofa. Wannan yana tabbatar da cewa watsa shirye-shiryen tafiya zai kunna ko daidaitaccen tafiya na farko KO tafiyar da sauri ta kunna.
2.3 Wutar Wutar Lantarki & Kulawa na Yanzu
Wannan aikin yana ba da kariya ga injin janareta daga lalatawar wutar lantarki ta hanyar igiyoyin igiya.
Ƙa'idar Fasaha:
Gwajin AC: Mai sarrafa R ya ƙaddamar da shi, yana shigar da siginar gwajin 1 kHz cikin ma'aunin ma'aunin wutar lantarki. Ya kamata masu kula da S da T masu lafiya su gano wannan ƙayyadaddun keɓancewar mitar. Wannan gwajin yana tabbatar da amincin da'irar gabaɗaya daga VTUR zuwa wurin aunawa.
Gwajin DC: Hakanan mai sarrafa R ya ƙaddamar, yana amfani da wutar lantarki 5 V DC zuwa madauki na waje zuwa ƙasa kuma yana auna sakamakon halin yanzu na DC. Ta hanyar ƙididdige juriya na madauki, tsarin zai iya ƙayyade idan juriyar lamba ta goga ( Brush Limit ) da shunt madauki ( Shunt Limit ) suna cikin kewayon al'ada. Maɗaukakin juriya yawanci yana nuna goga, rashin haɗin gwiwa, ko buɗaɗɗen da'ira.
Al'amari & Hatsari: Yayin aikin injin turbine, ƙarfin lantarki na iya haɓakawa akan ramin rotor dangane da ƙasa saboda cajin tururi (digon ruwa a kan ruwan wukake), filin janareta, ko asymmetry na da'ira. Lokacin da wannan ƙarfin lantarki ya taru ya isa ya rushe fim ɗin mai ɗaukar hoto, saurin fitar da ruwa yana faruwa, yana haifar da zaizayar wutar lantarki a kan tseren tsere da ƙwallo (wanda aka sani da sanyi), a ƙarshe yana haifar da gazawar.
Tsarin Kulawa: Gogayen carbon da aka sanya akan shaft ɗin suna jagorantar wutar lantarki zuwa allon tashar VTURH1B. Tsarin yana lura da ƙarfin wutar lantarki na shaft-to-ƙasa da kuma madaidaicin shaft ɗin da ke gudana ta cikin goge (wanda aka auna ta hanyar jujjuyawar wutar lantarki a kan madaidaicin shunt resistor). VTUR yana amfani da da'irori na kayan aiki masu ƙarfi don tabbatar da cewa tsarin tushen tushen tushen ba ya shafa.
Gwajin Gano Kai:
2.4 Gano Harshen Wuta
A cikin aikace-aikacen injin turbin gas, VTUR yana aiki tare da hukumar TRPG don saka idanu har zuwa na'urorin gano harshen wuta na Geiger-Müller guda takwas.
Ƙa'idar Fasaha:
Aiki mai ganowa: Idan babu harshen wuta, na'urar ganowa ta ciki tana cajin wutar lantarki na 335 V DC. Lokacin da hasken ultraviolet ya kasance, iskar gas a cikin mai gano ionizes, yana haifar da capacitor don fitarwa da sauri ta hanyar hukumar TRPG.
Gudanar da siginar: VTUR da TRPG suna canza kowane taron fitarwa zuwa bugun bugun jini. Ƙarfin harshen wuta mafi girma yana kaiwa zuwa mafi girman mitar fitarwa, tare da mitar bugun bugun jini na 0 zuwa 1000 a cikin daƙiƙa guda. VTUR yana ƙididdige bugun jini sama da taga na miliyon 40 kuma yana kwatanta ƙimar bugun jini zuwa wurin saiti don tantance kasancewar harshen wuta da ƙarfi. Ana fitar da fitilun wutar lantarki zuwa duk nau'ikan masu sarrafawa guda uku (R, S, T), yana tabbatar da ƙarin kariya.
2.5 Aiki tare ta atomatik
Wannan aikin yana yin daidai da yanayin janareta ta atomatik zuwa grid ɗin wutar lantarki don haɗi mai santsi, mara girgiza (ƙullewar babban mai watsewar kewaye).
Ƙa'idar Fasaha:
K25P (Halasi na Daidaitawa): Daga VTUR, yana bincika ko matsayin jerin injin injin injin injin injin yana ba da izinin aiki tare.
K25 (Auto Sync Relay): Daga VTUR, yana amfani da dabarun ketare sifiri kuma yana rama lokacin rufewar mai karyawa. Yana tsinkayar ainihin lokacin da za a rufe mai karyawa don lambobin sadarwa suyi lokacin da bambancin lokaci ya kusa sifili, lissafin jinkirin inji.
K25A (Sync Check Relay): Daga hukumar kariyar VPRO, tana aiki azaman madadin mai zaman kanta. Yana dubawa da kafaffen taga aiki tare (yawanci ± 10° bambancin lokaci, ± 0.27 Hz bambancin mitar). Lambobin sadarwa suna rufewa kawai idan duk sigogi suna cikin wannan taga.
Shigar da Siginar: Ana shigo da janareta da ƙarfin bas ta hanyar saiti biyu na masu iya canzawa lokaci-lokaci guda ɗaya (PTs), sun sauka zuwa kusan sigina 115 V AC don aunawa akan allon VTURH1B.
Tsarin Aiki tare:
Izinin Izinin Sau Uku & Rufe Mai karyawa: Ba da umarnin rufewa ta atomatik yana buƙatar izinin lokaci guda na ayyuka masu zaman kansu guda uku:
Rufewa & Sake mayarwa: Lokacin da duk izini guda uku suka gamsu, VTUR yana ba da umarnin kusa ga babban mai karya janareta. 52G/madaidaicin lambar sadarwa daga mai karya kanta (ba tsaka-tsaki ba) yana ciyar da ainihin lokacin rufewa zuwa tsarin, ana amfani da shi don inganta hasashen rufewa na gaba.
Mitar Matching (Speed Speed): VTUR yana kwatanta janareta da mitocin bas, yana samar da umarni 'Ƙara' ko 'Ƙananan umarni' da aka aika ta hanyar mai sarrafawa zuwa tsarin gwamna don daidaita saurin janareta zuwa daidaitawa tare da grid.
Matching Matching (Excitation Daidaita): VTUR kwatanta janareta da bas voltages, aika umarni ta hanyar UDH cibiyar sadarwa zuwa EX2000 excitation tsarin don daidaita janareta halin yanzu filin, matching da ƙarfin lantarki zuwa grid.
Aiki tare na lokaci: VTUR yana ɗaukar daidaitattun wuraren ketare sifili na janareta da na'urorin wutar lantarki na bas, yana ƙididdige bambance-bambancen lokaci na ainihi a tsakanin su.
3. Hardware Interface & Installation
4. Diagnostics & Maintenance
Tsarin VTUR yana fasalta ingantattun bincike na kan layi.
Nunin LED na Panel na gaba: RUN (Aiki - Green mai walƙiya), FAIL (Kuskure - Jajaye mai ƙarfi), MATSAYI (Na al'ada - Kashe, Ƙararrawar Gano - Lemo Mai Tsaya).
Mabuɗin Abubuwan Ganewa:
Rashin daidaituwa Direba/Mayar da martani: Kwatanta siginar siginar saƙon tafiya tare da ainihin yanayin martaninsa.
Ƙarfin Solenoid Ba ya nan: Yana sa ido kan wutar da'irar tafiya akan allon TRPx.
Wutar Gano Ƙarfin Wuta mara kyau: Yana sa ido idan wadatar 335 V DC tana cikin juriya (314.9 V - 355.1 V).
Aiki tare da Slow ko Kulle Up: Yana lura da lokacin kunna relays K25, K25A, da K25P.
Ƙididdigar Hukumar Tasha: Yana karanta guntun ID akan allunan tasha (misali, TTURH1B) don tabbatar da dacewa da kayan aiki da haɗin kai daidai, hana ɓarnawa.
Karɓar Kuskure: Duk bayanan bincike suna haifar da ƙararrawa L3DIAG_VTUR. Ana iya duba takamaiman lambobin kuskure da yuwuwar dalilai akan HMI, suna jagorantar ma'aikatan kulawa don gano matsalar cikin sauri.
