Hukumar Kula da Jijjiga IS200VVIBH1C shine ainihin sa ido kan girgizar girgizar da bangaren kariya a cikin tsarin sarrafa injin turbine na GE Mark VI. Yin aiki a matsayin tsarin 'stethoscope,' an ƙera shi musamman don samowa, sarrafawa, da kuma nazarin siginar girgiza da matsayi daban-daban daga sassa masu mahimmanci na injin injin injin (kamar bearings, mujallu na shaft, da ƙwanƙwasa). Wannan kwamiti yana haɗa ta TVIB ko DVIB allon tashar tashar har zuwa nau'ikan binciken Bently Nevada® masu jituwa 14 (ciki har da binciken kusanci, firikwensin saurin gudu, accelerometers, transducers seismic, da binciken bincike na Keyphasor®), yana ba da damar ci gaba, daidaitaccen saka idanu na yanayin aikin injin turbine. Babban manufarsa shine hana lalacewar kayan aiki da tabbatar da aminci da kwanciyar hankali na manyan injina masu jujjuyawa ta hanyar gano jijjiga na inji da canje-canjen matsayi da bayar da ƙararrawa akan lokaci ko ma siginar tafiya. Ko don injin turbin gas ko tururi, VVIB yana ba da cikakken bayani tun daga kariyar asali zuwa bincike na ci gaba.
2. Mahimman Ayyuka & Ƙa'idodi Masu Ciki
Ayyukan IS200VVIBH1C ya wuce nesa da siginar sigina mai sauƙi. Ya ƙunshi hadaddun algorithms sarrafa siginar da dabaru na kariya mai nau'i-nau'i, tare da ƙa'idodin sa mai zurfi tare da fasahar firikwensin, sarrafa siginar dijital, da injiniyan tsarin sarrafawa.
2.1 Sayan siginar tashoshi da yawa da ƙididdigewa
Wannan yana samar da tushe don duk ayyukan ci gaba. VVIB yana aiki azaman babban aiki, tsarin sayan bayanan tashoshi da yawa.
Ƙa'idar Fasaha:
Interface da Fadadawa: Guda ɗaya IS200VVIBH1C na'ura mai sarrafawa na iya haɗawa lokaci guda zuwa tashoshin tashar tashar TVIB guda biyu, ta haka ne ke fadada tashoshin saka idanu zuwa 26. Kowane tashar tashar TVIB tana ba da tashoshi 13: 8 don ma'aunin girgiza, 4 don ma'aunin matsayi, da 1 sadaukar da siginar Keyphasor. Wannan ƙirar tana ba da isassun musaya don sa ido kan manyan rotors masu ɗaukar nauyi.
Yanayin Sigina da Samar da Wuta: Hukumar ta TVIB ba kawai tana ba da maki ƙarewar sigina ba amma kuma tana ba da ƙarfin motsa jiki -28 V DC da ake buƙata don bincike mai aiki (kamar Proximitors da ake buƙata don binciken kusanci). A cikin tsarin TMR (Triple Modular Redundant), ana yin amfani da wutar lantarki ta hanyar da'irar babban zaɓi na diode, yana tabbatar da cewa gazawar samar da wutar lantarki guda ɗaya baya shafar sa ido. Maɓallin ƙararrawa a kan allon tasha suna ba da sharadi na farko na siginar siginar analog daga binciken, yana tabbatar da amincin siginar bayan watsa mai nisa.
Canjin Analog-zuwa-Digital Maɗaukaki Madaidaici: Ana watsa siginar analog ɗin sharadi zuwa allon IS200VVIBH1C ta igiyoyi masu kariya. Hukumar IS200VVIBH1C tana amfani da mai jujjuyawar A/D mai juzu'i na 16-bit (tare da ƙuduri mai tasiri na 14-bit) don samfurin duk waɗannan tashoshi na shigarwa cikin babban sauri da kuma lokaci guda. Ana daidaita ƙimar samfurin da ƙarfi dangane da adadin da aka saita tashoshi: ana amfani da yanayin saurin dubawa na 4.6 kHz lokacin da tashoshi 8 ko ƴan ƙaranci suna aiki, yayin da adadin ya faɗi zuwa 2.3 kHz don tashoshi sama da 8 don daidaita nauyin sarrafawa. Wannan dabarar samfurin lokaci guda tana tabbatar da cewa an kama duk bayanan tashoshi a lokaci guda, yana aza mahimmin tushe don nazarin lokaci na gaba da gano ainihin kololuwar.
2.2 Ƙirar Ma'aunin Jijjiga da Matsayi
Mahimman algorithms na IS200VVIBH1C suna aiwatar da siginar da aka ƙirƙira ta hanyar jerin matakai don fitar da ƙimar injiniya mai ma'ana ta zahiri.
Ƙa'idar Fasaha:
Ƙirar-kololuwa da Tacewa: Don siginar girgiza (tashoshi 1-8), IS200VVIBH1C tana amfani da taga lokacin miliyon daƙiƙa 160 don ɗaukar ƙarfin kewayon siginar. A cikin wannan taga, firmware ɗin yana ci gaba da bin iyakar siginar (Vmax) da ƙaramar ƙimar (Vmin), yana ƙididdige bambancinsu azaman ƙimar ƙimar kololuwa (Vpp). Don haɓaka rabon sigina-zuwa amo da manufa takamammen jeri na mitar, siginar kuma yana wucewa ta matattarar dijital mai daidaitawa. Ana iya zaɓar nau'in tacewa ( FilterType ) dangane da nau'in firikwensin, gami da Babu, Low-pass, High-pass, ko Band-pass. Don masu canza yanayin girgizar ƙasa da saurin gudu, za a iya daidaita matattarar da ke da tsayin tsayin sandar sandar sandar sanda 8 don daidaita daidaitaccen martanin mitar.
Gap/Matsayi Cirar Bangaren DC: Don binciken kusanci, siginar fitarwa ya ƙunshi ɓangaren DC (mai wakiltar matsakaicin rata ko matsayi) da ɓangaren AC (mai wakiltar girgiza). IS200VVIBH1C tana amfani da madaidaicin madaidaicin madaidaicin tsari na biyu tare da mitar yanke yankewar 8 Hz don cire kayan aikin DC cikin sauƙi don ayyukan saka idanu na matsayi kamar matsayi na axial na rotor, haɓaka bambanta, da haɓaka.
Ƙimar Ƙimar Injiniya: Ƙimar wutar lantarki da aka ƙididdige (ko AC Vpp ko DC Vgap) an canza su zuwa sassan injiniya mai ma'ana ta hanyar amfani da abubuwan da aka saita mai amfani (VIB_Scale) da kuma kashewa (ScaleOff), misali, mils don ƙaura da inci / na biyu (a / s) don saurin gudu. Wannan yana ba da damar dabarun sarrafawa da masu aiki don fassara ma'auni kai tsaye.
2.3 Sarrafa Maɓalli da Ma'aunin Ma'aunin Maɓalli
na 13 an tsara shi musamman don aiwatar da siginar Maɓalli, wanda shine ginshiƙin ci-gaba na binciken girgizar ƙasa.
Ƙa'idar Fasaha:
Ƙa'idar Maɓalli: Maɓalli yawanci bincike ne na kusanci wanda ke nufin hanyar maɓalli ko daraja akan sandar. Duk lokacin da hanyar maɓalli ta wuce binciken, ratar takan canza kwatsam, yana haifar da siginar bugun jini. Wannan bugun jini yana nuna alamar lokaci na kowane juyi na rotor.
Gane Pulse da Lissafin Sauri: IS200VVIBH1C tana ɗaukar da'irar kwatancen kayan aiki tare da daidaitawar kayan aikin software don ɗaukar daidai matakin tashin kowane bugun bugun Keyphasor. Ana ciyar da waɗannan bugun jini zuwa FPGA (Field-Programmable Gate Array), inda ƙididdiga na ciki ke auna daidai tazarar lokaci tsakanin bugun jini a jere. Firmware yana amfani da wannan tazara don ƙididdige saurin juyi kai tsaye (RPM). A cikin ƙananan gudu inda mai kwatanta kayan aikin ya zama abin dogaro, lambar lokacin aiki tana nazarin siginar tata kanta akan tashar 13 ( GAP13_KPH1 ) don ƙidaya bugun jini, yana tabbatar da ingantacciyar ma'aunin gudu a duk faɗin aiki.
2.4 Advanced Vibration Analysis (1X, 2X, and Tracking Filters)
IS200VVIBH1C ya zarce sauƙaƙan saka idanu na gabaɗayan girgiza, mai iya ruɓar vector na girgiza don samar da bayanin-daraja.
Ƙa'idar Fasaha:
Modulation da Tacewa: Siginar girgizar ɗanyen (misali, daga tashar 1) ana ninka ta ta siginar siginar sine da cosine waɗanda aka samo daga siginar Keyphasor (a gudun gudu 1X ko 2X). Wannan tsari 'ƙasa-sauye' bangaren jijjiga a mitar 1X (ko 2X) zuwa matakin DC, yayin da sauran abubuwan mitar su ake 'canzawa' zuwa mitoci masu girma.
Vector Extraction: Siginonin da aka ninka suna wucewa ta cikin ƙananan ƙarancin yankewa (0.25 Hz) 4-pole low-pass filter, wanda ke kawar da duk ƙarar ƙararrawa, a ƙarshe yana fitar da siginar DC guda biyu waɗanda ke wakiltar In-Phase (na gaske) da Quadrature (na haƙiƙa) na 1X vector vector.
Girman Girma da Lissafin Mataki: Girman kololuwa (Vib1Xy) na jijjiga 1X ana samun su ta hanyar ƙididdige tushen murabba'in jimillar murabba'in sassa na gaske da na tunani. Matsakaicin kusurwa (Vib1xPHy) na vector vector dangane da bugun bugun Keyphasor ana samun shi ta hanyar ƙididdige ma'aunin ma'auni na ɓangaren hasashe zuwa ainihin ɓangaren. Wannan bayanin lokaci yana da mahimmanci don tantance yanayin rashin daidaituwa na rotor ko rashin daidaituwa.
1X da 2X Binciken Bangaren Jijjiga: Wannan aikin yana ƙayyadad da girma da lokacin abubuwan abubuwan girgizawa tare da (1X) ko sau biyu (2X) saurin gudu. Mahimmancin sa shine fasaha na haɗin gwiwa (ƙulle-ƙulle ƙarawa).
Filters Tracking: An ƙirƙira wannan aikin don aikace-aikace kamar LM jerin injin turbin gas waɗanda ke amfani da accelerometers. Ka'idodinsa yana kama da bincike na 1X/2X, amma maimakon kullewa akan mitar Keyphasor, yana iya bibiyar siginonin sauri masu zaman kansu guda uku ( LM_RPM_A, B, C ) ta hanyar mai sarrafawa, yana lalata girman girgiza ( LMVibxA, B, C ) a waɗannan ƙayyadaddun ƙayyadaddun gudu a cikin ainihin lokaci. Wannan yana da matukar fa'ida don saka idanu akan raka'a mai-shafi ko halayen girgiza yayin wucewa cikin matsanancin gudu.
2.5 Kariya Multi-Layer da Iyakance Dubawa
Duk bayanan da aka sarrafa a ƙarshe suna aiki da aikin kariya.
Ƙa'idar Fasaha:
Daidaitawa: Masu amfani za su iya kunna ( SysLimxEnable ), saita ƙimar iyaka ( SysLimitx ), zaɓi nau'in rajistan (mafi girma-ko-daidai-zuwa ko ƙasa-da-ko-daidai-zuwa, SysLimxType ), kuma yanke shawarar ko za a kulle ( SysLimxLatch ) don kowane shinge iyaka. Ayyukan latching yana nufin cewa da zarar an kunna, yanayin ƙararrawa zai kasance har sai an sake saitawa da hannu, yana tabbatar da cewa ba'a rasa yanayi mara kyau ba.
Aikace-aikace: Ana amfani da waɗannan iyakoki don jawo matakan ƙararrawa daban-daban (Gargadi) da tafiye-tafiye masu haɗari (Tafi). Misali, ƙimar girgizar da ta wuce Limit1 na iya haifar da ƙararrawar faɗakarwa don faɗakar da ma'aikatan kulawa, yayin da wucewa mafi girma Limit2 zai fara tafiya kai tsaye don rufewar gaggawa.
Duban Iyakan Tsari: Kowane tasha mai girgizawa da tasha tana sanye take da ginshiƙan ƙayyadaddun ƙayyadaddun tsarin tsari guda biyu.
Hankali Laifin Hankali: Tsarin ya ƙunshi dabaru na tsaka-tsaki na hankali. Misali, idan an gano kuskuren bincike dangane da bangaren DC (misali, bude ko gajeriyar kewayawa), tsarin na iya hana tafiyar girgizar da aka yi dangane da bangaren AC, yana hana rufewar karya sakamakon gazawar firikwensin kanta.
3. Hardware Specifications & Interface
Ƙarfin Tashoshi: Yana goyan bayan allunan tashar tashar TVIB 2, jimlar tashoshi na saka idanu 26.
Daidaituwar Bincike: Cikakken yana goyan bayan kusancin Benly Nevada, saurin gudu, accelerometer, seismic, da bincike na Keyphasor.
Samfuran Sigina: Mai juyawa 16-bit A/D, tare da ƙimar samfurin har zuwa 4.6 kHz (samfurin lokaci guda).
Samar da Wutar Lantarki: Yana ba da -28V DC ƙarfin da ba zai iya jurewa ba don Proximitors akan allunan tasha.
Mu'amalar Jiki: Yana sadarwa tare da mai sarrafawa a cikin rakiyar VME da allunan tasha ta 37-pin 'D'-haɗin haɗin harsashi tare da maɗauran latching.
Interface Interface: Kwamitin tashar tashar TVIBH2A yana ba da masu haɗin BNC zuwa hanyar siginar buffer kai tsaye zuwa kayan aikin sayan bayanai masu ɗaukuwa ko tsarin sa ido na Benly Nevada 3500 na dindindin, yana ba da damar kwafin bayanai da bincike mai zurfi.
4. Diagnostics & Maintenance
IS200VVIBH1C tana da ƙarfin bincikar kai da ƙarfin gano tsarin.
Binciken Hardware: Ci gaba da lura da matakan daidaitawa A/D don tabbatar da daidaiton auna; duba guntu ID na hukumar tashar tashar don hana ɓarna kayan aiki; yana lura da siginonin shigarwa don abubuwan da ba su da iyaka (buɗe ko gajere).
Alamar Matsayi: Yana ba da bayanin matsayi mai hankali ta hanyar LEDs na gaban panel don iko, matsayin kan layi, hanyoyin sadarwa, ƙararrawar ganowa, da faɗakarwar zafin jiki.
Binciken Software: Duk ƙayyadaddun ƙayyadaddun tsarin tsarin da bayanin kuskuren bincike suna samuwa ga mai sarrafa Mark VI ta masu canji kamar L3DIAG_VVIB kuma ana iya nunawa da shiga WorkstationST, sauƙaƙe matsala da bayanan tarihi.
