IS220PPROH1A wani muhimmin abu ne a cikin tsarin sarrafawa na GE's Mark VIe, yana wakiltar takamaiman samfurin fakitin I/O na Ajiyayyen Turbine (PPRO). An ƙirƙira wannan ƙirar don samar da ayyukan kariya masu zaman kansu ba tare da babban tsarin sarrafawa ba, yana tabbatar da ingantaccen aiwatar da ayyuka masu mahimmanci na aminci kamar kariyar injin injin injin injin lantarki da daidaitawa janareta cak a cikin yanayin gazawar sarrafawa ta farko. PPROH1A ya haɗa da allon sarrafawa na BPPB, yana ba da babban aminci da aiki na ainihi wanda ya dace da nau'ikan injin turbin daban-daban, gami da injin turbin gas da injin tururi. Ƙirar ta ya bi ka'idodin sarrafa masana'antu kuma yana tabbatar da aiki mai ƙarfi a cikin yanayi mara kyau, tare da kewayon zafin jiki na -30 ° C zuwa 65 ° C.
IS220PPROH1A yawanci ana tura shi a cikin tsari guda uku Modular Redundant (TMR), yana aiki tare da SPRO, TPROH#C, ko TREA tashoshi. Yana haɗi zuwa allon tafiye-tafiye na gaggawa (misali, TREG, TREL, TRES) ta igiyoyi tare da masu haɗin fil na DC-37. Hakanan tsarin yana goyan bayan sadarwar Ethernet (IONet) don saka idanu akan matsayi da musayar bayanai tare da babban mai sarrafawa. A matsayin ainihin tsarin kariyar madadin, PPROH1A ya mallaki duka kayan aiki da kayan aikin firmware na tushen saurin ganowa kuma yana haɗa ayyuka masu yawa na bincike da saka idanu. Wannan yana tabbatar da tsarin zai iya amsawa da sauri ga rashin daidaituwa, hana lalacewar kayan aiki ko abubuwan tsaro.
Cikakken Bayanin Aiki
IS220PPROH1A yana ba da ayyuka masu maɓalli da yawa waɗanda ke rufe saurin sa ido, hukunce-hukuncen tunani, sarrafa faɗaɗa, da hulɗa tare da babban tsarin sarrafawa. Babban ayyukansa an yi cikakken bayani a ƙasa:
1. Kariya mai saurin gudu
Kariyar wuce gona da iri ɗaya ce daga cikin mahimman ayyukan IS220PPROH1A. Na'urar tana karɓar sigina na sauri guda uku daga masu ɗaukar maganadisu (MPUs), daidai da Babban Matsalolin (HP), Matsakaicin Matsakaicin (IP), da ƙananan matsi (LP). Ana aiwatar da gano saurin gudu a duka hardware da firmware. Kariyar wuce gona da iri ta hardware ta dogara ne gaba ɗaya akan hanyoyin dabaru masu shirye-shirye, masu zaman kansu ba tare da software ba, tare da lokacin amsa ƙasa da 60 ms. Matsakaicin sa (OSHW_Setpoint) ana ɗora shi ne kawai yayin haɓaka ƙarfin module, yana tabbatar da ingantaccen aiki koda firmware ta gaza. Tafiya mai saurin gaske na kayan aiki yana buƙatar juyi juyi guda biyu a jere don wuce wurin da aka saita, hana tafiye-tafiye na karya.
Kariyar saurin juzu'i na firmware ya dogara ne akan lissafin mai sarrafawa kuma yana goyan bayan daidaitawar saiti. Masu amfani za su iya saita madaidaicin madaidaicin ta hanyar sigogin daidaitawa, kuma ana goyan bayan yanayin gwajin kan layi da na kan layi. Bugu da ƙari, yayin da tsarin PPROH1A zai iya haɗawa da sigogi don fasalin 'Rate-Based Overspeed' (RBOS), yana da mahimmanci a lura cewa aikin RBOS BA a tallafawa akan kayan aikin PPROH1A kanta; wannan fasalin yana samuwa ne kawai a cikin ƙirar PPROS1B. Idan an kunna RBOS a cikin tsari don PPROH1A, tsarin zai haifar da kuskure kuma ya hana tsarin daga zuwa kan layi.
2. Ganewar Hanzari da Ragewa
Module ɗin yana ƙididdige ƙimar canjin saurin (hanzari/ ragewa) ga kowane shaft a cikin ainihin-lokaci. Ana haifar da balaguro idan waɗannan ƙimar sun wuce matakan da aka tsara. Lissafin hanzari ya dogara ne akan bambanci tsakanin samfuran saurin gudu guda biyu a jere akan tagar lokaci mai daidaitawa (10-100 ms). Gano ɓarna yana amfani da ƙayyadaddun ƙofa na 100%/second. Wannan aikin yana ɗaukar haɓakar injin turbine mara kyau, kamar asarar kaya kwatsam ko kamawar inji.
3. LP Shaft Lock Gane
Don injin turbin-shaft da yawa, IS220PPROH1A yana ba da gano kulle shaft LP. Idan saurin shaft na HP yana sama da ƙaramin madaidaicin saurin gudu yayin da saurin shaft ɗin LP ya kasance sifili, ƙirar tana gano wannan azaman LP shaft kulle anomaly kuma yana haifar da siginar tafiya. Wannan aikin yana hana lalacewar kayan aiki ta hanyar kuskuren shaft.
4. Kulawa da Tsaida Gaggawa (E-Stop).
IS220PPROH1A tana lura da siginar E-Stop daga allon tashar TREG ko TREA. Da zarar E-Stop ya kunna, tsarin nan da nan ya ƙetare babban tsarin sarrafawa kuma ya hana masu watsa shirye-shiryen tafiya daga kuzari. Ana ba da rahoton matsayin E-Stop a cikin ainihin-lokaci ta siginar amsawa (KESTOP#_Fdbk), tabbatar da tsarin ya kasance a cikin yanayin aminci.
5. Gano Bambancin Sauri
Module ɗin yana kwatanta nasa lissafin bugun bugun jini (RPM) tare da siginar saurin (Speed1) wanda babban tsarin sarrafawa ke bayarwa. Idan bambancin ya zarce madaidaicin saiti (dangane da kaso na saurin ƙididdigewa) na lokutan samfurin guda uku a jere, ana haifar da bambancin saurin tafiya. Wannan aikin yana gano gazawar siginar saurin sarrafawa ko gazawar sadarwa.
6. Main Control Watchdog da Sa Ido Sadarwa
IS220PPROH1A tana karɓar siginar bugun bugun zuciya na na'urar daga babban mai sarrafawa ta IONet. Idan ba a sami sabuntawar bugun zuciya na firam ɗin bayanai guda biyar a jere ba, ana ƙididdige asarar babbar hanyar sadarwa, yana haifar da balaguron sa ido. A lokaci guda, ƙirar tana sa ido kan yanayin aiki tare da firam ɗin Ethernet. Matsakaicin kurakurai na lambar firam ɗin kuma zai haifar da aikin kariya.
7. Ayyukan Duba Aiki tare (K25A)
IS220PPROH1A yana goyan bayan rajistan aiki tare tsakanin janareta da bas ɗin mai amfani. Tsarin yana ƙididdige ƙarfin lantarki, mita, kusurwar lokaci, da zamewa bisa abubuwan shigar da PT guda biyu (gefen janareta da gefen bas). Lokacin da duk sigogi ke cikin windows ɗin da aka saita (misali, bambancin mitar ≤ 0.27 Hz, bambancin lokaci ≤ 10°) kuma siginar izinin aiki tare (SynCk_Perm) yana aiki, yana ƙarfafa relay na K25A, yana barin mai watsewar kewayawa ya rufe. Wannan aikin kuma ya haɗa da matacciyar bas ɗin rufewa.
8. Sabis ɗin Gudanar da Kashe Kansa (K4CL)
A cikin tsarin sarrafawa mai sauƙi, IS220PPROH1A na iya fitar da relay na K4CL don tilasta bawul ɗin man fetur ko rufaffiyar tururi. Wannan aikin yawanci ana kashe shi yayin gwajin saurin kan layi don hana kunnawa mara niyya.
9. Tafiya da Tattalin Arziki Fitowa
Samfurin yana ba da umarnin tuƙi na gaggawa guda uku (ETR1-ETR3) kuma yana goyan bayan sarrafawa don Relays na Tattalin Arziki guda uku (KE1-KE3). Ana amfani da relays na tattalin arziƙi don gabatar da juriya na jeri a cikin hanyar solenoid coil hanyar tafiya bayan an ɗauko, rage riƙon halin yanzu da faɗaɗa rayuwar na'urar.
10. Binciken Kai da Alamar Matsayi
IS220PPROH1A yana fasalta ingantattun gwaje-gwajen kai, gami da:
Gwajin Ƙarfafa Kai: Yana bincika RAM, ƙwaƙwalwar filasha, tashoshin Ethernet, da sauran kayan aikin.
Kulawar Samar da Wutar Lantarki: Ci gaba da lura da halin samar da wutar lantarki na ciki.
Dubawa na Yanzu: Yana tabbatar da daidaito a cikin da'irori na relay drive.
Bincika Daidaita Hardware: Yana daidaita daidaito tsakanin allon tasha, allon saye, da allon sarrafawa.
Ƙungiyar ta gaba tana da alamun LED guda shida waɗanda ke nuna Matsayin Run, E-Stop, Overspeed, Watchdog, Sync, da matsayi na zaɓi. Hakanan za'a iya daidaita yanayin LED mai jujjuyawa, yana ba da alamar gani na yanayin aiki tare lokacin tsarin a cikin saitin TMR.
An Bayyana Ƙa'idar Aiki
Dabarar kariyar IS220PPROH1A ta dogara ne akan haɗin gwiwar da'irori na hardware, dabaru masu tsari, da firmware. An bayyana ka'idar aikinta daga bangarori uku: tsarin gine-gine, kwararar sigina, da sarrafa dabaru.
1. Tsarin Gine-gine da Gudun Sigina
Tsarin IS220PPROH1A yana toshe kai tsaye zuwa cikin SPRO, TPROH#C, ko TREA tashar tashar tashar, musayar bayanai ta hanyar haɗin fil na DC-62. Sigina na sauri daga na'urori masu auna firikwensin MPU suna da sharadi ta hanyar hukumar tasha kafin shigar da tashoshi na shigar da ƙimar bugun jini na module. Siginonin wutar lantarki na PT suna shigar da tashoshi na shigar analog na module ko dai ta hanyar da'irar rarraba fanned (TPRO) ko kai tsaye (SPRO).
A ciki, hukumar sarrafa kayan aikin BPPB tana aiwatar da algorithms na kariya, yayin da kwamitin aikace-aikacen da aka sadaukar (BPRO) ke tafiyar da dabaru na matakin hardware, kamar kwatankwacin saurin kayan masarufi da tuƙi. Duk siginar shigarwa ana ƙididdige su kuma ana sarrafa su ta firmware don yanke shawara mai ma'ana. Sigina na fitarwa suna sarrafa solenoids na tafiye-tafiye ta hanyar da'irar direban gudu. Module ɗin yana musayar bayanan siginar sararin samaniya tare da babban tsarin sarrafawa akan IONet don saka idanu akan matsayi da daidaita sigina.
2. Ƙa'idar Kariya mai saurin gudu
Ana aiwatar da gano abin da ya wuce saurin kayan aikin gabaɗaya a cikin dabaru na shirye-shirye, ta ƙetare na'ura mai sarrafawa. Ana canza siginar bugun bugun jini zuwa RPM ta amfani da ma'aunin PRScale kuma idan aka kwatanta da wanda aka saita OSHW_Setpoint. Idan lokutan juyin juya hali guda biyu a jere suna nuna saurin wuce gona da iri, ana kunna siginar balaguron kayan masarufi (OS#_HW_Trip). Wannan hanyar tana da saurin amsawa kuma tana da ƙarfi sosai, tana aiki azaman layin tsaro na ƙarshe na tsarin.
Gano abin da ya wuce saurin firmware ya dogara ne akan ƙimar saurin da mai sarrafawa ke ƙididdige shi, yana goyan bayan daidaita saiti mai ƙarfi da yanayin gwaji. Masu amfani za su iya gyaggyara ƙofa a ainihin-lokaci ta hanyar siginar sararin samaniya (misali, OS#_Setpoint). Har ila yau, firmware yana goyan bayan aikin 'Trip Anticipate' don aikace-aikacen injin tururi, yana daidaita madaidaicin madaidaicin madaidaicin dangane da kaya.
3. Siginar Tafiya Haɗa Hankali
Duk siginonin tafiye-tafiye da aka samar ta hanyar ayyuka masu kariya (misali, saurin wuce gona da iri, haɓakawa, E-Stop, lokacin karewa) an haɗa su cikin siginar balaguro mai haɗaka (CompostTrip1). Wannan siginar yana jurewa dabarun jefa ƙuri'a (2-fita-3 a cikin tsarin TMR) kafin tuƙi jigilar balaguro. Hanyoyi na tafiya sun kasu kashi-kashi kai tsaye (misali, saurin kayan aiki da abubuwan shigar da tuntuɓar kai tsaye), waɗanda ke ƙetare firmware don tabbatar da aiki ko da na'ura mai sarrafa ya gaza, da hanyoyin sharadi, waɗanda suka dogara da ƙimar lafiyar sadarwa.
4. Aiki tare Duba Algorithm
Aikin duba aiki tare yana amfani da dabarar Madaidaicin Lokaci (PLL) don bin diddigin lokacin ƙarfin lantarki da mita na janareta da bas a cikin ainihin lokaci. Module ɗin yana ƙididdigewa:
Bambancin Wutar Lantarki (GenVoltsDiff)
Bambancin Mitar (GenFreqDiff)
Bambancin kusurwa na Mataki (GenPhaseDiff)
Lokacin da duk sigogi ke cikin ƙayyadaddun iyakokin su kuma siginar SyncCheck_Perm gaskiya ne, ƙirar tana fitar da siginar L25A_Cmd don ƙarfafa relay na K25A. Idan an kunna yanayin kewayawa (SynCk_ByPass), an ba da izinin rufewa a ƙarƙashin matattun yanayin bas.
5. Tsarin Sadarwa da Kulawa
IS220PPROH1A yana kula da sadarwa tare da babban mai sarrafawa ta IONet, yana sabunta siginar bugun zuciya kowane firam. Idan sadarwa ta katse, mai sa ido yana ƙaruwa, a ƙarshe yana haifar da tafiya. Har ila yau, tsarin yana sa ido kan sifa 'dither' na siginar saurin babban sarrafawa: idan ƙimar saurin ta kasance ba ta canzawa ga firam ɗin da yawa a jere, ana yin hukunci a matsayin 'Stale Speed,' yana haifar da matakin kariya. Waɗannan hanyoyin suna tabbatar da tsarin wariyar ajiya na iya gano abubuwan rashin ƙarfi na sarrafawa da sauri da ɗaukar ayyukan kariya.
6. Relay Control and Feedback
Umurnin tuƙi na tafiye-tafiye (ETR) yana ƙayyade ta siginar tafiya mai haɗaka da siginar kunnawa. Modulun a lokaci guda yana sa ido kan siginonin ra'ayi na relay (K#_Fdbk) da wutar lantarki na solenoid (SOL#_Vfdbk) don tabbatar da cewa jihar da aka umarta ta yi daidai da ainihin jihar. Idan an sami sabani, ana haifar da ƙararrawar bincike (misali, Ƙararrawa 69-71).
