The Woodward 505E wani ci-gaba, 32-bit microprocessor-tushen gwamnan dijital tsara musamman don sarrafa guda hakar, hakar/admission, ko shigar turbines. Yana haɗa sarrafa injin turbine da kuma Operator Control Panel (OCP) cikin fakiti guda ɗaya mai ƙarfi. Yana da sauƙin sassauƙa, bayani mai daidaita filin wanda ainihin falsafar ƙira ke jagorantar ta software mai sarrafa menu. Wannan yana bawa injiniyoyin filin damar tsara mai sarrafawa don takamaiman janareta ko aikace-aikacen tuƙi na inji, yana ba da damar ƙirar kayan aiki guda ɗaya don hidimar tsararrun buƙatun sarrafawa, da rage duka farashi da lokacin bayarwa.
505E na iya aiki azaman naúrar kaɗaita ko a haɗe tare da Tsarin Rarraba Rarraba shuka (DCS). Yana da cikakkiyar madaidaicin gaban panel tare da nunin layi guda biyu (24-halaye kowanne) nuni da maɓallin taɓawa na 30-key, yana ba da damar cikakken aikin sarrafa injin turbine-ciki har da daidaitawa, gyare-gyaren kan layi, da aiki-ba tare da buƙatar ƙarin bangarorin sarrafawa ba.
Cikakken Fasalolin Mahimmanci
Saitin fasalin 505E yana da yawa, an ƙera shi don biyan hadaddun buƙatun sarrafa injin tururi na zamani.
Sarrafa Madaidaicin Dual-Parameter & Gudanar da Bawul:
505E yana sarrafa sigogi guda biyu ta hanyar sarrafa bawul ɗin High-Matsi (HP) da bawul ɗin Low-Matsi (LP). Haɗin da ya fi dacewa shine saurin (ko kaya) da kuma cirewa / matsa lamba (ko kwarara).
Koyaya, aikace-aikacen sa ya fi girma. Ta hanyar daidaitawa, yana iya sarrafawa ko iyakance sigogi kamar: matsin lamba / kwararar injin turbine, shayewa (baya) matsa lamba / kwarara, matsa lamba na farko, fitarwar wutar lantarki, matakan shigo da shuka / fitarwa, matsa lamba na fitarwa / kwarara, naúrar / shuka mitar, zazzabi tsari, ko duk wani ma'aunin tsari mai alaƙa da turbine.
Ikon Saurin Yanayi da yawa:
Sarrafa Gudun Gudun: Lokacin da mai karya janareta ya buɗe, mai sarrafa PID yana kiyaye saurin turbine a wurin saiti, ba tare da canjin kaya ba.
Ikon mita: Lokacin da aka rufe injin janareta amma na'urar taye ta buɗe (watau aiki na tsibiri), gwamna yana sarrafa mitar naúrar.
Sarrafa Load ɗin Naúrar (Droop): Lokacin da aka rufe duka janareta da masu fasa tiye (watau a layi daya tare da grid), gwamna yana sarrafa nauyin janareta dangane da saitin saurin gudu da siginar faɗuwa. Aikin faduwa yana bawa naúrar damar raba kaya a tsaye tare da wasu raka'o'in da ba na isochronous ko babban grid.
Sarrafa / Admission (Extr/Adm) Sarrafa:
Wannan keɓaɓɓen mai sarrafa PID ne da ake amfani da shi don kula da hakar ko matsa lamba / kwarara a wurin sa. Babban aikin ne don sarrafa injin turbines masu hakar / shigar da su.
Ikon Taimako (AUX):
Yanayin Sarrafa: Lokacin da aka kunna, yana ɗaukar bas ɗin LSS don sarrafa ma'auni kai tsaye kamar matsa lamba mai shiga, matsa lamba, ko ƙarfin janareta.
Yanayin iyaka: Koyaushe yana aiki, baya sarrafawa da ƙarfi amma yana iyakance siginar bas ɗin LSS, ta haka yana iyakance siginar sa ido (misali, iko) zuwa ƙasa da madaidaicin sa.
Wannan tashar sarrafawa ce mai juzu'i, ana iya daidaita ta ta hanyoyi biyu:
Sarrafa Cascade (CAS):
Wannan mai sarrafa yana kwatanta canjin tsarin sa (misali, matsa lamba) zuwa wurin saiti, kuma fitowar sa yana sake saita saitin mai sarrafa saurin kai tsaye. Wannan dabarar sarrafa tuƙi ce da aka yi amfani da ita don tafiyar matakai waɗanda aka tsara ta canza saurin injin injin injin lantarki ko kaya.
Ratio/Limiter: Wannan shine basirar 505E don aikace-aikacen cirewa / shigar da su.
Aiki Ratio: Ta atomatik yana ƙididdige haɗin gwiwar motsi na HP da bawuloli na LP dangane da tsarin aikin injin turbine (taswirar tururi). Manufarta ita ce rage ma'amala tsakanin hanyoyin sarrafawa guda biyu lokacin da saurin buƙatu ko buƙatun buƙatun cirewa ko shigar da buƙatun, cimma nasarar 'hadawa.'
Ayyukan Iyakance: Yana tabbatar da umarnin bawul ɗin koyaushe suna kasancewa cikin amintattun iyakoki na injin turbine (wanda aka ayyana ta taswirar tururi). Lokacin da aka kai iyakar aiki (misali, bawul ɗin buɗe ko rufe), madaidaicin ma'anar, dangane da fifikon saiti (Speed Priority ko Extr/Adm Priority), yana yanke shawarar wane siga don sadaukarwa don kare ɗayan.
Jerin farawa ta atomatik:
505E yana ba da hanyoyin farawa guda uku: Manual, Semi-Automatic, da Atomatik.
Hakanan za'a iya saita shi don Tsarin Farawa ta atomatik, wanda ke sarrafa gudu ta atomatik daga ƙaramin rago zuwa babban rago zuwa ƙimar ƙimar gudu dangane da lokacin raguwa (farawar zafi ko sanyi), gami da lokutan dumama shirye-shirye da ƙimar haɓakawa.
Ayyukan Gujewa Mahimmanci na Gudun Mahimmanci yana ba da damar ma'anar maɓalli na sauri guda biyu; wurin da aka saita zai yi sauri da sauri ta cikin waɗannan makada don guje wa tsawaita aiki a cikin su, yana kare injin turbin.
Ƙimar Valve:
Ana amfani da madaidaitan bawul na HP da LP don taƙaita matsakaicin ko ƙaramar buɗe bawul ɗin yayin farawa, rufewa, da gyara matsala, ƙara amincin aiki da sassauci.
Iyawar Sadarwa:
505E an sanye shi da tashoshin sadarwa na Modbus guda biyu (mai goyan bayan RS-232, RS-422, RS-485, da kuma ka'idojin ASCII ko RTU) don musayar bayanai da sarrafa nesa tare da tashar DCS, PLCs, ko tashoshi masu aiki na CRT.
Duk mahimman saiti, masu canjin tsari, matsayi, da ƙararrawa ana iya karantawa daga ko rubuta zuwa ta Modbus.
Kariya & Ƙararrawa:
Yana ba da duka Hanyoyin Kashe Gaggawa da Sarrafa hanyoyin Kashewa.
Ginin Gwajin Wutar Wuta don gwajin na'urorin kariya masu saurin gudu da lantarki.
Alamar-Fita-Farko yana rikodin bayanai da nuna dalilin farko na tafiya tsakanin abubuwan da aka kashe har zuwa biyar, yana sauƙaƙe bincike.
Ka'idar sarrafawa ta 505E ta dogara ne akan algorithms na sarrafa PID na rufaffiyar rufaffiyar, haɗe tare da dabarun daidaitawa na musamman don injin turbin haɓaka.
Gudun Siginar & Gine-gine:
Babban abin sarrafawa shine bas ɗin Zaɓin Ƙananan Siginar (LSS). Abubuwan da ake samu na Speed PID da PID Auxiliary (a cikin yanayin sarrafawa) suna gasa don samun dama ga wannan bas. Siginar ƙima mafi ƙanƙanta yana samun iko kuma ana aika shi zuwa Ratio/Limiter.
Ratio/Limiter yana karɓar sigina daga bas ɗin LSS (mai wakiltar saurin buƙatun kaya) da sigina daga Extr/Adm PID (mai wakiltar hakar/buƙatun shigar).
Ma'anar Ratio tana amfani da waɗannan sigina na buƙatu guda biyu, tare da ƙayyadaddun halayen turbine (K coefficients, taswirar tururi), don ƙididdige fitowar abubuwa biyu: siginar buƙatun buƙatun HP da siginar buƙatun LP. Lissafi yawanci layi ne (misali, HP = K1*S + K2*P + K3).
Ana kwatanta siginar HP da LP da aka ƙididdige su tare da siginar iyakance bawul na HP/LP (HP shine Low-Signal-Zaɓaɓɓe tare da iyakacin sa, LP High- ko Ƙananan-Signal-Zaɓi dangane da nau'in aikace-aikacen) don samar da umarnin sarrafawa na ƙarshe da aka aika zuwa masu kunnawa.
Yanayin Aiki Ratio/Iyakance:
Decoupled Inlet (HP): Only the HP valve moves to control inlet pressure; duka bawuloli suna motsawa don sarrafa matsa lamba.
Decoupled Exhaust (LP): Only the LP valve moves to control exhaust pressure; duka bawuloli suna motsawa don sarrafa matsa lamba.
HP & LP Haɗe: Bawul ɗin HP yana sarrafa siga ɗaya kaɗai (misali, matsa lamba), kuma bawul ɗin LP yana sarrafa wani siga shi kaɗai (misali, matsa lamba). A cikin wannan yanayin, gudun / kaya ba a sarrafa shi amma ya zama abin dogaro.
Yanayin HP & LP Haɗe-haɗe: Wannan shine mafi yawan yanayin. HP da LP bawuloli suna motsawa cikin daidaituwa don sarrafa saurin gudu da matsa lamba tare da ƙaramin hulɗa. Canji a cikin ko wanne buƙatun yana haifar da bawuloli don sake matsayi.
Halayen Yankewa: Ana amfani da shi lokacin sarrafa sigogi masu zaman kansu guda biyu (misali, matsa lamba mai shiga da matsa lamba).
Mahimman Farko:
Saboda injin turbin kawai yana da bawul ɗin sarrafawa guda biyu, lokacin da aka kai iyakacin jiki (misali, bawul ɗin yana buɗewa gabaɗaya), siga ɗaya kaɗai za a iya ba da fifiko. 505E yana bawa mai aiki damar zaɓar ko canza fifiko ta atomatik.
Mahimmancin Gudun Gudun: Bayan isa iyaka, kiyaye saurin / kaya da hadayar hakar/ sarrafa shigar.
Fitowar Fitarwa / Shiga: Bayan isa iyaka, kula da hakar / matsa lamba / kwarara da saurin sadaukarwa / sarrafa kaya.
Ƙa'idar Sarrafa Faɗakarwa:
A Yanayin Sarrafa Load na Unit, saitin PID na sauri yana ƙaruwa ta atomatik yayin da nauyi ke ƙaruwa. An bayyana Droop a matsayin: (Babu-Load Gudun - Cikakkun Saurin Load) / Ƙimar Gudun Gudun × 100%.
Misali, raguwar 5% yana nufin madaidaicin zai tashi da 5% na saurin da aka ƙima yayin da kaya ke ƙaruwa daga 0% zuwa 100%. Wannan yana haifar da tsayayyen yanayin ɗaukar nauyi, yana ba da damar raka'a da yawa tare da faɗuwa don raba canje-canje a cikin nauyin grid daidai gwargwado. Ra'ayin dillalai na iya fitowa daga siginar janareta (kW) ko daga siginonin matsayi na bawul.
Dabarun farawa:
Ɗaukar yanayin farawa ta atomatik a matsayin misali: Bayan mai aiki ya buɗe Valve Trip & Throttle (T&T) kuma ya danna 'RUN', 505E yana ɗaga HP Valve Limiter a ƙimar da aka riga aka saita yayin da madaidaicin saurin ya haura a 'Rate zuwa Min' gudun zuwa mafi ƙarancin saurin gudanarwa. Lokacin da ainihin gudun ya yi daidai da wurin saiti, PID ɗin Gudun yana ɗaukar iko don kiyaye saurin. Mai aiki zai iya kunna wasu ayyuka kamar sarrafa hakar.
Takaitawa
Woodward 505E Digital Gwamna mai ƙarfi ne, haɗaka sosai, kuma dandamalin sarrafawa mai sassauƙa. Yana amfani da fasahar microprocessor na ci gaba, ƙwararrun sarrafa algorithms (PID, Ratio, Decoupling, Priority), da cikakkun hanyoyin sadarwa na I/O don cimma madaidaici, abin dogaro, da sarrafa sarrafa sarrafa injin tururi na hakar/ shiga. Babban ƙimarsa ta ta'allaka ne a cikin amfani da dandamalin kayan masarufi guda ɗaya wanda za'a iya daidaita software don saduwa da buƙatun aikace-aikace masu yawa, daga sauƙin sarrafa saurin gudu zuwa hadaddun sarrafa ma'auni da yawa. Haɗe tare da cikakkiyar kariya, sadarwa, da fasalulluka masu mu'amala da mai amfani, shine ingantaccen bayani don sarrafa injin turbin masana'antu na zamani.
