HANGZHOU NUZHUO TECHNOLOGY GROUP CO.,LTD.

Zipangizo zokulitsa mphamvu zingagwiritse ntchito kuchepetsa kuthamanga kwa mpweya poyendetsa makina ozungulira. Zambiri za momwe mungayesere ubwino wokhazikitsa chowonjezera mphamvu zingapezeke apa.
Kawirikawiri mu makampani opanga mankhwala (CPI), "mphamvu zambiri zimatayika mu ma valve owongolera kuthamanga kwa mpweya komwe madzi opanikizika kwambiri ayenera kuchepetsedwa mphamvu" [1]. Kutengera ndi zinthu zosiyanasiyana zaukadaulo ndi zachuma, kungakhale koyenera kusintha mphamvu iyi kukhala mphamvu yamakina yozungulira, yomwe ingagwiritsidwe ntchito kuyendetsa majenereta kapena makina ena ozungulira. Pamadzimadzi osagwedezeka (zamadzimadzi), izi zimachitika pogwiritsa ntchito turbine yobwezeretsa mphamvu ya hydraulic (HPRT; onani tsamba 1). Pamadzimadzi opsinjika (magasi), chowonjezera mphamvu ndi makina oyenera.
Zipangizo zokulitsa ndi ukadaulo wokhwima wokhala ndi ntchito zambiri zopambana monga kuphwanya madzi (FCC), kuziziritsa, ma valve a gasi wachilengedwe mumzinda, kulekanitsa mpweya kapena kutulutsa utsi. Mwachidule, mpweya uliwonse wokhala ndi mphamvu yotsika ungagwiritsidwe ntchito kuyendetsa chokulitsa, koma "mphamvu zomwe zimachokera zimagwirizana mwachindunji ndi chiŵerengero cha kupanikizika, kutentha ndi kuchuluka kwa mpweya wa mpweya" [2], komanso kuthekera kwaukadaulo ndi zachuma. Kukhazikitsa Chokulitsa: Njirayi imadalira izi ndi zina, monga mitengo yamagetsi yakomweko komanso kupezeka kwa zida zoyenera kwa wopanga.
Ngakhale kuti turboexpander (yomwe imagwira ntchito mofanana ndi turbine) ndiyo mtundu wodziwika bwino wa expander (Chithunzi 1), pali mitundu ina yoyenera zochitika zosiyanasiyana. Nkhaniyi ikufotokoza mitundu ikuluikulu ya expander ndi zigawo zake ndipo ikufotokoza mwachidule momwe oyang'anira ntchito, alangizi kapena owerengera mphamvu m'magawo osiyanasiyana a CPI angayang'anire phindu la zachuma komanso zachilengedwe poyika expander.
Pali mitundu yosiyanasiyana ya ma resistance band omwe amasiyana kwambiri mu geometry ndi ntchito. Mitundu yayikulu ikuwonetsedwa mu Chithunzi 2, ndipo mtundu uliwonse wafotokozedwa mwachidule pansipa. Kuti mudziwe zambiri, komanso ma graph poyerekeza momwe mtundu uliwonse umagwirira ntchito kutengera ma diameter enaake ndi liwiro linalake, onani Thandizo. 3.
Piston turboexpander. Piston ndi rotary piston turboexpanders zimagwira ntchito ngati injini yoyaka moto yozungulira, yomwe imayamwa mpweya wopanikizika kwambiri ndikusintha mphamvu zake zosungidwa kukhala mphamvu yozungulira kudzera mu crankshaft.
Kokani chowonjezera mphamvu cha turbo. Chowonjezera mphamvu cha brake turbine chimakhala ndi chipinda choyendera madzi chozungulira chokhala ndi zipsepse za chidebe cholumikizidwa kumphepete mwa chinthu chozungulira. Zapangidwa mofanana ndi mawilo amadzi, koma gawo lodutsa la zipinda zozungulira limawonjezeka kuchokera ku malo olowera kupita ku malo otulukira, zomwe zimathandiza kuti mpweya ukule.
Ma radial turboexpander. Ma radial flow turboexpander ali ndi axial inlet ndi radial outlet, zomwe zimathandiza kuti mpweya utuluke kudzera mu turbine impeller. Mofananamo, ma axial flow turbine amakulitsa mpweya kudzera mu turbine wheel, koma njira yoyendera imakhala yofanana ndi axis of rotating.
Nkhaniyi ikuyang'ana kwambiri pa ma radial ndi axial turboexpanders, ikukambirana za mitundu yosiyanasiyana ya ma radial ndi ma axial turboexpanders, zomwe zikufotokoza za mitundu yosiyanasiyana ya ma radial, zigawo zake, ndi zachuma.
Turboexpander imatulutsa mphamvu kuchokera mumtsinje wa mpweya wopanikizika kwambiri ndikuisintha kukhala load drive. Nthawi zambiri katunduyo ndi compressor kapena jenereta yolumikizidwa ku shaft. Turboexpander yokhala ndi compressor imakanikiza madzi m'mbali zina za mtsinje wa process zomwe zimafuna madzi opanikizika, motero imawonjezera kugwira ntchito bwino kwa chomera pogwiritsa ntchito mphamvu zomwe zimatayika. Turboexpander yokhala ndi load ya jenereta imasintha mphamvuyo kukhala magetsi, omwe angagwiritsidwe ntchito munjira zina za chomera kapena kubwezedwa ku grid yakomweko kuti agulitsidwe.
Majenereta a Turboexpander amatha kukhala ndi shaft yoyendetsera mwachindunji kuchokera pa gudumu la turbine kupita ku jenereta, kapena kudzera mu gearbox yomwe imachepetsa bwino liwiro lolowera kuchokera pa gudumu la turbine kupita ku jenereta kudzera mu chiŵerengero cha gear. Ma turboexpander oyendetsera mwachindunji amapereka ubwino pakugwira ntchito bwino, kutsika kwa mapazi ndi ndalama zosamalira. Ma gearbox turboexpanders ndi olemera ndipo amafunikira kutsika kwakukulu, zida zothandizira mafuta, komanso kukonza nthawi zonse.
Ma turboexpander oyenda kudzera mumlengalenga angapangidwe ngati ma radial kapena axial turbines. Ma radial flow expanders ali ndi axial inlet ndi radial outlet kotero kuti mpweya wotuluka mu turbine umatuluka mu radial kuchokera ku axis of rotation. Ma axial turbines amalola mpweya kuyenda mozungulira mozungulira. Ma axial flow turbines amatulutsa mphamvu kuchokera ku mpweya woyenda kudzera mu inlet guide vanes kupita ku expander wheel, ndipo dera lodutsa la expansion chamber likuwonjezeka pang'onopang'ono kuti lipitirize kuthamanga nthawi zonse.
Jenereta ya turboexpander imakhala ndi zigawo zitatu zazikulu: gudumu la turbine, mabearing apadera ndi jenereta.
Gudumu la Turbine. Magudumu a Turbine nthawi zambiri amapangidwa makamaka kuti azitha kuyendetsa bwino kayendedwe ka mpweya. Zosintha zomwe zimakhudza kapangidwe ka gudumu la turbine zimaphatikizapo kuthamanga kwa kulowa/kutuluka, kutentha kwa kulowa/kutuluka, kuyenda kwa voliyumu, ndi mawonekedwe amadzimadzi. Ngati chiŵerengero cha kupsinjika chili chachikulu kwambiri kuti chichepetsedwe mu gawo limodzi, turboexpander yokhala ndi magudumu angapo a turbine imafunika. Magudumu onse a radial ndi axial turbine amatha kupangidwa ngati a magawo ambiri, koma magudumu a axial turbine ali ndi kutalika kwa axial kochepa kwambiri ndipo motero amakhala ang'onoang'ono kwambiri. Ma turbine a radial flow a magawo ambiri amafuna mpweya kuti utuluke kuchokera ku axial kupita ku radial ndikubwerera ku axial, zomwe zimapangitsa kuti kutayika kwa friction kukhale kwakukulu kuposa ma turbine a axial flow.
ma bearing. Kapangidwe ka ma bearing ndikofunikira kwambiri kuti turboexpander igwire bwino ntchito. Mitundu ya ma bearing yokhudzana ndi mapangidwe a turboexpander imasiyana kwambiri ndipo ingaphatikizepo ma bearing amafuta, ma bearing amadzimadzi, ma bearing a mpira wamba, ndi ma bearing a maginito. Njira iliyonse ili ndi zabwino zake komanso zoyipa zake, monga momwe zasonyezedwera mu Table 1.
Opanga ma turboexpander ambiri amasankha ma magnetic bearing ngati "bearing yosankhidwa" chifukwa cha ubwino wawo wapadera. Ma magnetic bearing amatsimikizira kuti zigawo za turboexpander zimagwira ntchito popanda kugwedezeka, zomwe zimachepetsa kwambiri ndalama zogwirira ntchito ndi kukonza nthawi yonse ya makinawo. Amapangidwanso kuti athe kupirira mitundu yosiyanasiyana ya katundu wa axial ndi radial komanso mikhalidwe yopsinjika kwambiri. Mitengo yawo yoyambirira yokwera imachepetsedwa ndi ndalama zochepa kwambiri za moyo.
dynamo. Jenereta imatenga mphamvu yozungulira ya turbine ndikuisintha kukhala mphamvu yamagetsi yothandiza pogwiritsa ntchito jenereta yamagetsi (yomwe ingakhale jenereta yolowetsa mphamvu kapena jenereta yamagetsi yokhazikika). Majenereta olowetsa mphamvu ali ndi liwiro lotsika, kotero kugwiritsa ntchito ma turbine othamanga kwambiri kumafuna bokosi la gearbox, koma amatha kupangidwa kuti agwirizane ndi ma grid frequency, kuchotsa kufunikira kwa variable frequency drive (VFD) kuti ipereke magetsi opangidwa. Majenereta okhazikika a maginito, kumbali ina, amatha kulumikizidwa mwachindunji ku turbine ndikutumiza mphamvu ku grid kudzera mu variable frequency drive. Jeneretayo idapangidwa kuti ipereke mphamvu yayikulu kutengera mphamvu ya shaft yomwe ilipo mu dongosololi.
Zisindikizo. Chisindikizochi ndi gawo lofunikira kwambiri popanga makina opangira magetsi otchedwa turboexpander. Kuti apitirize kugwira ntchito bwino komanso kukwaniritsa miyezo ya chilengedwe, makina ayenera kutsekedwa kuti apewe kutuluka kwa mpweya. Ma Turboexpander amatha kukhala ndi zisindikizo zosinthika kapena zosasunthika. Zisindikizo zosinthika, monga zisindikizo zosinthika ndi zisindikizo zouma za mpweya, zimapereka chisindikizo mozungulira shaft yozungulira, nthawi zambiri pakati pa gudumu la turbine, mabearing ndi makina ena onse omwe jenereta ili. Zisindikizo zosinthika zimatha pakapita nthawi ndipo zimafuna kusamalidwa nthawi zonse ndikuyang'aniridwa kuti zitsimikizire kuti zikugwira ntchito bwino. Pamene zigawo zonse za turboexpander zili mu nyumba imodzi, zisindikizo zosasunthika zingagwiritsidwe ntchito kuteteza zingwe zilizonse zotuluka m'nyumbamo, kuphatikizapo jenereta, maginito oyendetsera magetsi, kapena masensa. Zisindikizo zosasunthika izi zimapereka chitetezo chosatha ku kutuluka kwa mpweya ndipo sizikusowa kukonza kapena kukonza.
Poganizira za njira yogwirira ntchito, chofunikira chachikulu pakuyika chowonjezera mphamvu ndikupereka mpweya wopanikizika kwambiri (wosazizira) ku dongosolo lopanikizika pang'ono lomwe lili ndi kayendedwe kokwanira, kutsika kwa kuthamanga kwa mphamvu ndikugwiritsa ntchito bwino kuti zipangizo zigwire ntchito bwino. Magawo ogwirira ntchito amasungidwa pamlingo wotetezeka komanso wothandiza.
Ponena za ntchito yochepetsera kupanikizika, chowonjezera mphamvu chingagwiritsidwe ntchito m'malo mwa valavu ya Joule-Thomson (JT), yomwe imadziwikanso kuti valavu yothira mpweya. Popeza valavu ya JT imayenda m'njira ya isentropic ndipo chowonjezera chimayenda m'njira ya isentropic, chomalizachi chimachepetsa enthalpy ya mpweya ndikusintha kusiyana kwa enthalpy kukhala mphamvu ya shaft, motero kupanga kutentha kochepa kotulutsa kuposa valavu ya JT. Izi ndizothandiza mu njira zoziziritsa kukhosi komwe cholinga chake ndi kuchepetsa kutentha kwa mpweya.
Ngati pali malire ochepa pa kutentha kwa mpweya wotuluka (mwachitsanzo, pamalo ochotsera mpweya pomwe kutentha kwa mpweya kuyenera kusungidwa pamwamba pa kuzizira, madzi, kapena kutentha kochepa kwa kapangidwe ka zinthu), chotenthetsera chimodzi chiyenera kuwonjezeredwa. lamulirani kutentha kwa mpweya. Chotenthetsera chikayamba kuyikidwa pamwamba pa chowonjezera, mphamvu zina kuchokera ku mpweya wothira zimabwezedwanso mu chowonjezera, motero zimawonjezera mphamvu yake. Mu makonzedwe ena pomwe kuwongolera kutentha kwa mpweya kumafunika, chotenthetsera chachiwiri chikhoza kuyikidwa pambuyo pa chowonjezera kuti chipereke kuwongolera mwachangu.
Mu Chithunzi 3, chithunzi chosavuta cha chithunzi cha flow diagram cha jenereta yokulitsa ndi preheater yomwe imagwiritsidwa ntchito m'malo mwa valavu ya JT.
Mu njira zina zosinthira, mphamvu zomwe zapezeka mu expander zimatha kusamutsidwa mwachindunji ku compressor. Makina awa, omwe nthawi zina amatchedwa "olamulira", nthawi zambiri amakhala ndi magawo okulitsa ndi okakamiza omwe amalumikizidwa ndi shaft imodzi kapena zingapo, zomwe zingaphatikizeponso gearbox kuti ilamulire kusiyana kwa liwiro pakati pa magawo awiriwa. Ikhozanso kuphatikiza mota yowonjezera kuti ipereke mphamvu yochulukirapo ku gawo lokakamiza.
Pansipa pali zina mwa zinthu zofunika kwambiri zomwe zimatsimikizira kuti dongosololi likugwira ntchito bwino komanso kuti zinthu zikuyenda bwino.
Valavu yodutsa kapena valavu yochepetsera kupanikizika. Valavu yodutsa imalola kuti ntchito ipitirire pamene turboexpander sikugwira ntchito (mwachitsanzo, pokonza kapena pakakhala zadzidzidzi), pomwe valavu yochepetsera kupanikizika imagwiritsidwa ntchito popitiliza kupereka mpweya wochulukirapo pamene madzi onse apitirira mphamvu ya expander.
Vavu yozimitsa mwadzidzidzi (ESD). Mavavu a ESD amagwiritsidwa ntchito kuletsa kuyenda kwa mpweya kulowa mu expander pakagwa ngozi kuti apewe kuwonongeka kwa makina.
Zipangizo ndi zowongolera. Zofunikira zowunikira zikuphatikizapo kuthamanga kwa kulowa ndi kutuluka kwa magetsi, kuchuluka kwa madzi, liwiro lozungulira, ndi mphamvu yotulutsa.
Kuyendetsa galimoto mothamanga kwambiri. Chipangizochi chimaletsa kuyenda kwa turbine, zomwe zimapangitsa kuti turbine rotor ichedwetse liwiro, motero chimateteza zidazo ku liwiro lokwera kwambiri chifukwa cha zochitika zosayembekezereka zomwe zingawononge zidazo.
Vavu Yoteteza Kupanikizika (PSV). Ma PSV nthawi zambiri amayikidwa pambuyo pa turboexpander kuti ateteze mapaipi ndi zida zotsika mphamvu. PSV iyenera kupangidwa kuti ipirire zovuta kwambiri, zomwe nthawi zambiri zimaphatikizapo kulephera kwa valavu yodutsa kuti itsegule. Ngati chowonjezera chawonjezeredwa ku siteshoni yochepetsera kupanikizika yomwe ilipo, gulu lopanga njira liyenera kudziwa ngati PSV yomwe ilipo imapereka chitetezo chokwanira.
Chotenthetsera. Zotenthetsera zimathandizira kutsika kwa kutentha komwe kumachitika chifukwa cha mpweya womwe umadutsa mu turbine, kotero mpweya uyenera kutenthedwa. Ntchito yake yayikulu ndikuwonjezera kutentha kwa mpweya womwe ukukwera kuti kutentha kwa mpweya kusunge kutentha kwa mpweya ndikusiya chotenthetsera pamwamba pa mtengo wocheperako. Ubwino wina wokweza kutentha ndikuwonjezera mphamvu yotulutsa komanso kupewa dzimbiri, kuzizira, kapena ma hydrate omwe angakhudze kwambiri ma nozzles a zida. Mu makina okhala ndi zotenthetsera kutentha (monga momwe zasonyezedwera pa Chithunzi 3), kutentha kwa mpweya nthawi zambiri kumayendetsedwa mwa kuwongolera kuyenda kwa madzi otentha kupita ku chotenthetsera choyambirira. Mu mapangidwe ena, chotenthetsera moto kapena chotenthetsera chamagetsi chingagwiritsidwe ntchito m'malo mwa chotenthetsera kutentha. Zotenthetsera zitha kukhalapo kale mu station ya JT valve yomwe ilipo, ndipo kuwonjezera chotenthetsera sikungafunike kuyika zotenthetsera zina, koma m'malo mwake kuwonjezera kuyenda kwa madzi otentha.
Makina opangira mafuta ndi mpweya wotsekereza. Monga tafotokozera pamwambapa, ma expander amatha kugwiritsa ntchito mapangidwe osiyanasiyana otsekereza, omwe angafunike mafuta ndi mpweya wotsekereza. Ngati kuli koyenera, mafuta otsekereza ayenera kukhala abwino komanso oyera akakhudzana ndi mpweya wokonzedwa, ndipo mulingo wa kukhuthala kwa mafuta uyenera kukhala mkati mwa kuchuluka kofunikira kwa ma bearing otsekereza. Makina opangira mafuta otsekereza nthawi zambiri amakhala ndi chipangizo chotsitsira mafuta kuti mafuta ochokera m'bokosi lotsekereza asalowe m'bokosi lokulitsa. Pakugwiritsa ntchito kwapadera kwa ma compander omwe amagwiritsidwa ntchito mumakampani opanga ma hydrocarbon, makina opangira mafuta ndi mpweya wotsekereza nthawi zambiri amapangidwa kuti agwirizane ndi API 617 [5] Gawo 4.
Variable frequency drive (VFD). Jenereta ikayamba kugwiritsa ntchito induction, VFD nthawi zambiri imayatsidwa kuti isinthe chizindikiro cha alternating current (AC) kuti chigwirizane ndi ma utility frequency. Kawirikawiri, mapangidwe ozikidwa pa ma variable frequency drive amakhala ndi mphamvu zambiri kuposa mapangidwe omwe amagwiritsa ntchito ma gearbox kapena zigawo zina zamakina. Machitidwe ozikidwa pa VFD amathanso kulandira kusintha kwakukulu kwa njira zomwe zingayambitse kusintha kwa liwiro la expander shaft.
Kutumiza uthenga. Mapangidwe ena a ma expander amagwiritsa ntchito bokosi la gearbox kuti achepetse liwiro la expander kufika pa liwiro lovomerezeka la jenereta. Mtengo wogwiritsa ntchito bokosi la gearbox ndi wotsika kwambiri ndipo motero mphamvu yotulutsa imakhala yochepa.
Pokonzekera pempho la mtengo (RFQ) la expander, mainjiniya wa njira ayenera choyamba kudziwa momwe ntchito ikuyendera, kuphatikizapo mfundo zotsatirazi:
Mainjiniya a makina nthawi zambiri amamaliza ma specifications ndi ma specifications a jenereta ya expander pogwiritsa ntchito deta kuchokera ku mainjiniya ena. Izi zitha kuphatikizapo izi:
Mafotokozedwe ayeneranso kuphatikizapo mndandanda wa zikalata ndi zojambula zomwe wopanga adapereka monga gawo la njira yoperekera chithandizo ndi kuchuluka kwa zomwe zingaperekedwe, komanso njira zoyesera zoyenera malinga ndi momwe polojekitiyi ikufunira.
Chidziwitso chaukadaulo chomwe wopanga amapereka monga gawo la ndondomeko ya mapangano chiyenera kuphatikizapo zinthu zotsatirazi:
Ngati mbali iliyonse ya lingalirolo ikusiyana ndi zomwe zidafotokozedwa kale, wopanga ayeneranso kupereka mndandanda wa zolakwika ndi zifukwa zomwe zapangitsa kuti zolakwikazo zichitike.
Chiganizo chikalandiridwa, gulu lokonza polojekiti liyenera kuwonanso pempho loti litsatidwe ndi kutsimikiza ngati kusiyana kumeneku kuli koyenera.
Zinthu zina zofunika kuziganizira poyesa malingaliro ndi izi:
Pomaliza, kusanthula zachuma kuyenera kuchitika. Popeza njira zosiyanasiyana zingayambitse ndalama zosiyana zoyambira, tikukulimbikitsani kuti kusanthula ndalama kapena ndalama zoyambira moyo kuchitike kuti tiyerekezere zachuma cha nthawi yayitali cha polojekitiyi ndi phindu la ndalama zomwe zayikidwa. Mwachitsanzo, ndalama zoyambira zambiri zitha kuchepetsedwa pakapita nthawi chifukwa cha kuchuluka kwa ntchito kapena kuchepa kwa zofunikira pakukonza. Onani "Maumboni" kuti mupeze malangizo okhudza kusanthula kwamtunduwu. 4.
Mapulogalamu onse a turboexpander-generator amafunika kuwerengera mphamvu yonse kuti adziwe kuchuluka kwa mphamvu zomwe zilipo zomwe zingapezeke mu pulogalamu inayake. Pa jenereta ya turboexpander, mphamvu yamagetsi imawerengedwa ngati njira ya isentropic (constant entropy). Iyi ndiye mkhalidwe wabwino kwambiri wa thermodynamic poganizira njira yosinthika ya adiabatic popanda kukangana, koma ndiyo njira yoyenera yowerengera mphamvu yeniyeni.
Mphamvu ya Isentropic (IPP) imawerengedwa pochulukitsa kusiyana kwa enthalpy yeniyeni pamalo olowera ndi otulukira a turboexpander ndikuchulukitsa zotsatira zake ndi kuchuluka kwa madzi. Mphamvu iyi idzafotokozedwa ngati kuchuluka kwa isentropic (Equation (1)):
IPP = ( hinlet – h(i,e)) × ṁ x ŋ (1)
kumene h(i,e) ndi enthalpy yeniyeni poganizira kutentha kwa isentropic outlet ndi ṁ ndi kuchuluka kwa madzi omwe amatuluka.
Ngakhale kuti mphamvu ya isentropic ingagwiritsidwe ntchito kuwerengera mphamvu yamagetsi, machitidwe onse enieni amakhudza kutayika kwa mphamvu, kutentha, ndi zina zowonjezera. Chifukwa chake, powerengera mphamvu yamagetsi yeniyeni, deta yowonjezera yotsatirayi iyenera kuganiziridwa:
Mu ntchito zambiri za turboexpander, kutentha kumakhala kochepa kuti tipewe mavuto osafunikira monga kuzizira kwa mapaipi omwe tawatchula kale. Kumene mpweya wachilengedwe umatuluka, ma hydrate nthawi zambiri amakhalapo, zomwe zikutanthauza kuti payipi yomwe ili pansi pa turboexpander kapena throttle valve imazizira mkati ndi kunja ngati kutentha kwa malo otulukira kumatsika pansi pa 0°C. Kupanga ayezi kungayambitse kuletsa kuyenda kwa madzi ndipo pamapeto pake kutseka makinawo kuti asungunuke. Chifukwa chake, kutentha komwe "kukufunika" kwa malo otulukira kumagwiritsidwa ntchito kuwerengera mphamvu yeniyeni. Komabe, pa mpweya monga hydrogen, malire a kutentha ndi otsika kwambiri chifukwa hydrogen sisintha kuchokera ku mpweya kupita ku madzi mpaka itafika kutentha kwa cryogenic (-253°C). Gwiritsani ntchito kutentha komwe mukufuna kwa malo otulukira kuti muwerengere enthalpy yeniyeni.
Kugwira bwino ntchito kwa makina owonjezera mphamvu a turbo kuyeneranso kuganiziridwa. Kutengera ndi ukadaulo womwe wagwiritsidwa ntchito, kugwira bwino ntchito kwa makina kumatha kusiyana kwambiri. Mwachitsanzo, makina owonjezera mphamvu omwe amagwiritsa ntchito zida zochepetsera mphamvu kuti asamutse mphamvu yozungulira kuchokera ku turbine kupita ku jenereta adzakumana ndi kutayika kwakukulu kwa kukangana kuposa makina omwe amagwiritsa ntchito direct drive kuchokera ku turbine kupita ku jenereta. Kugwira bwino ntchito kwa makina owonjezera mphamvu a turbo kumafotokozedwa ngati peresenti ndipo kumaganiziridwa poyesa mphamvu yeniyeni ya turbo expander. Mphamvu yeniyeni yamagetsi (PP) imawerengedwa motere:
PP = (hinlet – hexit) × ṁ x ṅ (2)
Tiyeni tiwone momwe mpweya wachilengedwe umathandizira kuchepetsa kuthamanga kwa mpweya. ABC imagwira ntchito ndikusunga malo ochepetsera kuthamanga kwa mpweya omwe amanyamula mpweya wachilengedwe kuchokera ku payipi yayikulu ndikuugawa ku madera am'deralo. Pa siteshoni iyi, kuthamanga kwa mpweya wolowera ndi 40 bar ndipo kuthamanga kwa mpweya wotuluka ndi 8 bar. Kutentha kwa mpweya wolowera ndi 35°C, komwe kumatenthetsa mpweya kuti usamaundane. Chifukwa chake, kutentha kwa mpweya wotuluka kuyenera kulamulidwa kuti usatsike pansi pa 0°C. Mu chitsanzo ichi tigwiritsa ntchito 5°C ngati kutentha kochepa kotulutsira mpweya kuti tiwonjezere chitetezo. Kuthamanga kwa mpweya wozungulira ndi 50,000 Nm3/h. Kuti tiwerenge mphamvu yamagetsi, tiganiza kuti mpweya wonse umayenda kudzera mu turbo expander ndikuwerengera mphamvu yayikulu yotulutsa. Yerekezerani mphamvu yonse yotulutsa mphamvu pogwiritsa ntchito kuwerengera uku: