Mosebetsi oa Li-gearbox ho Eketsa Bokhoni ba Turbine ea Moea
Li-turbine tsa moea ke e 'ngoe ea mahlale a matla a ntjhafatswang a holang ka potlako lilemong tsa morao tjena. Ka mor'a mahare a maholo, a potolohang butle ho na le letoto la likarolo tsa mechini le tsa motlakase tse sebetsang hammoho ho fetola matla a kinetic a moea hore e be matla a motlakase a ka sebelisoang. Karolo e 'ngoe ea bohlokoa tsamaisong ea turbine ea moea—haholo-holo meralong ea turbine e tloaelehileng—ke lebokose la li-gear. Le hoja lebokose la li-gear hangata le nkoa e le "sefetoleli sa lebelo," karolo ea lona e pharaletse haholo: le sebetsa e le khokahano ea mantlha pakeng tsa litšobotsi tsa lebelo le tlase tsa rotor le litlhoko tsa lebelo le phahameng tsa jenereithara bakeng sa katleho. Sengoloa sena se tšohla mosebetsi oa lebokose la li-gear le hore na ke hobane'ng ha e le bohlokoa bakeng sa ho ntlafatsa katleho ea turbine ea moea.
Ho Utloisisa Li-gearbox ka Li-turbine tsa Moea
Lebokose la gearbox la turbine ea moea ke sistimi ea phetiso ea mechini e entsoeng ka li-gear tse fetolang lebelo la ho potoloha (rpm) le torque ho tloha ho rotor ho ea ho jenereithara. Mahare a turbine ea moea hangata a potoloha butle-butle—mohlala, hoo e ka bang 5-20 rpm, ho latela boholo le moralo oa turbine. Leha ho le joalo, lijenereithara tse ngata tsa motlakase li sebetsa hantle ka rpm e phahameng haholo, hangata makholo ho isa ho likete tsa rpm. Lebokose la gearbox le sebetsa ho "eketsa" rpm tsena ka likarolelano tse itseng tsa lijere.
Ntle le ho eketsa lebelo la ho potoloha, lebokose la li-gear le lona le fetola torque. Ka lehlakoreng la rotor (shaft e lebelo le tlase), torque e phahame haholo hobane rotor e hapa matla a tsoang moeeng. Kamora ho feta ka lebokoseng la li-gear, lebelo la ho potoloha lea eketseha empa torque ea fokotseha ka lehlakoreng la jenereithara (shaft e lebelo le phahameng). Phetoho ena e lumella jenereithara ho sebetsa tlas'a maemo a loketseng haholoanyane bakeng sa tlhahiso ea motlakase e tsitsitseng le e sebetsang hantle.
Ke Hobane'ng ha Turbine e Hloka Gearbox?
Li-turbine tse kholo tsa moea, rotor e na le bophara bo bolelele, e leng se lumellang lintlha tsa lehare ho potoloha kapele, empa shaft e kholo e lula e lieha hobane radius ea eona e kholo 'me lipalo tsa aerodynamic li hloka lebelo le itseng la ho potoloha bakeng sa coefficient e ntle ea matla. Ka lehlakoreng le leng, lijenereithara tse tloaelehileng—haholo-holo lijenereithara tsa induction kapa lijenereithara tse tloaelehileng tsa synchronous—ka kakaretso li sebetsa hantle haholo ha li potoloha ka potlako.
Ntle le lebokose la li-gear, ho na le dikgetho tse pedi tse ka sehloohong: sebedisa jenereithara e kgolo ya "direct-drive" e ka hlahisang motlakase ka rpm e tlase, kapa kgomarela jenereithara e phahameng ya rpm e hlokang phetiso. Meralong e mengata ya turbine, lebokose la li-gear le kgethwa hobane le dumella tshebediso ya dijenereithara tse nyane haholo, tse bobebe, le tse fumanehang kgwebong. Sena ha se fokotse ditjeo feela empa se ka boela sa ntlafatsa bokgoni ba tsamaiso ka kakaretso haeba se entswe le ho hlokomelwa hantle.
Mosebetsi oa Li-gearbox ho Eketsa Bokhoni ba Turbine ea Moea
1. Fetola Potoloho ea Rotor ho latela Litlhoko tsa Jenereithara
Mosebetsi oa mantlha oa lebokose la li-gear ke ho eketsa rpm ea rotor ho lekana le rpm ea ts'ebetso ea jenereithara. Bokhoni ba phetoho ea matla a motlakase ba jenereithara bo susumetsoa haholo ke sebaka sa ts'ebetso sa eona. Ha jenereithara e sebetsa ka har'a sebaka sa eona sa rpm se reriloeng, tahlehelo ea motlakase joalo ka koporo (I²R) le tahlehelo ea makenete li ka laoloa hamolemo. Ka mantsoe a mang, lebokose la li-gear le thusa jenereithara ho sebetsa sebakeng sa eona se phahameng ka ho fetisisa sa ts'ebetso.
2. Ho Ntlafatsa Torque le Karolelano ea Matla
Matla a mechini ke sehlahisoa sa torque le lebelo la angular. Rotor ea turbine e hlahisa torque e phahameng ka lebelo le tlase. Lebokose la gear le fetola tšobotsi ena ho ba lebelo le phahameng ka torque e nyane empa e batla e lekana (ntle le tahlehelo ea mechini). Ts'ebetso ena ea bohlokoa bakeng sa phetiso ea matla e sebetsang haholoanyane ho jenereithara. Lijenereithara tse potolohang ka potlako li atisa ho sebetsa hantle le ho ba bonolo ho li laola lits'ebetsong tsa motlakase.
3. E lumella meralo ea jenereithara e bobebe le e sebetsang hantle haholoanyane
Lijenereithara tse khonang ho sebetsa ka kotloloho ka rpm e tlase hangata li hloka boholo le boima bo boholo, kaha ho hlahisa motlakase le matla a tšoanang ka rpm e tlase ho hloka lipalo tse ngata tsa makenete le bongata bo boholo ba thepa. Mabokose a li-gear a lumella li-turbine ho sebelisa lijenereithara tse nyane, tse bobebe ka lebelo le phahameng, ho fokotsa meroalo ea sebopeho holim'a nacelle (ntlo ea enjene ea turbine) le ho fokotsa litlhoko tsa thepa. Phokotso ena ea boima e ka ama katleho ka kakaretso, kaha sebopeho se bobebe se fokotsa tahlehelo ea matla ka lebaka la ho thothomela le ho ntlafatsa ts'epo ea ts'ebetso.
4. E tšehetsa Taolo ea Ts'ebetso ea Turbine ka Lebelo le Fapaneng la Moea
Lebelo la moea lea fetoha ha nako e ntse e ea. Li-turbine tsa sejoale-joale hangata li sebelisa leano la lebelo le feto-fetohang ho lumella rotor ho sebetsa ka karolelano e ntle ea lebelo la ntlha tlas'a maemo a fapaneng a moea. Lebokose la gear, hammoho le sistimi ea taolo le sesebelisoa sa ho fetola matla (li-elektroniki tsa motlakase), li lumella rotor ho sebetsa ka lebelo le feto-fetohang ha jenereithara e boloka boleng ba motlakase bo fihlelang maemo a gridi. Maemong a mangata, lebokose la gear le thusa ho etsa hore sebaka sena sa ts'ebetso se tenyetsehe haholoanyane ebile se sebetse hantle.
5. Ho Fokotsa Tahlehelo Sistemeng ea Phetisetso ea Motlakase
Leha lebokose la li-gear ka bolona le hlahisa tahlehelo ea mechine (mohlala, ka lebaka la khohlano ea li-gear, li-bearing, le ho sisinyeha ha mafura), tšebeliso ea jenereithara e lebelo le phahameng hangata e ka fokotsa tahlehelo libakeng tse ling tsamaisong. Lijenereithara tse nyane li ka ba le khanyetso e tlase ea kahare ha e bapisoa le matla ka kilogram ea thepa 'me li ka kopanngoa le litsamaiso tse sebetsang hantle tsa phetoho ea matla. Ka moralo o leka-lekaneng, tahlehelo ea lebokose la li-gear e ka fokotsoa ke bokhoni bo eketsehileng ba jenereithara le tsamaiso ka kakaretso.
Mefuta ea Li-Gearbox ka Li-Wind Turbines
Li-gearbox tsa turbine ea moea hangata ke li-gearbox tsa mekhahlelo e mengata, mohlala, motsoako oa:
– Mokhahlelo oa lisebelisoa tsa polanete mohatong oa pele (haufi le rotor) hobane e khona ho sebetsana le torque e kholo ka boholo bo batlang bo le nyane.
– Mohato oa gear ea Helical mohatong o latelang ho eketsa potoloho butle-butle ka katleho e phahameng le ts'ebetso e boreleli.
Kakaretso ea li-gearbox e ka fapana, empa hangata e pakeng tsa mashome ho isa ho 100:1, ho latela moralo oa turbine le litlhaloso tsa jenereithara.
Phephetso ea Gearbox: Bokgoni khahlanong le Botšepehi
Ho sa tsotellehe karolo ea eona ea bohlokoa, lebokose la li-gear le boetse le tsejoa e le e 'ngoe ea likarolo tse hlokang tlhokomelo e kholo nakong ea tlhokomelo. Liphephetso tse kholo li kenyelletsa:
– Ho senyeha ha meno ka lebaka la meroalo e feto-fetohang.
– Ho hloleha ha bere ka lebaka la torque e phahameng le ho se tsamaisane hantle.
– Mathata a ho tlotsa a ka eketsang kgohlano le mocheso.
– Ho thothomela le lerata tse amang bokgoni le bophelo ba tshebeletso.
Tahlehelo ea mechine ea Gearbox hangata e nyane maemong a matle, empa e ka eketseha haholo haeba ho tlotsa ho le mpe, mocheso o phahame haholo, kapa likarolo li senyeha. Ka hona, ho ntlafatsa katleho ea lebokose la gearbox ha se taba ea moralo feela empa hape ke taba ea ho lekola boemo, joalo ka ho sekaseka ho thothomela, mocheso le boleng ba oli. Ka ho lekola ka nepo, lebokose la gearbox le ka bolokoa le le boemong bo botle, ka hona ho fokotsa tahlehelo ea matla.
Gearbox vs Direct-Drive: Ke efe e sebetsang hantle haholoanyane?
Meralong e meng ea sejoale-joale ea turbine, lebokose la li-gear lea tlosoa 'me le nkeloa sebaka ke jenereithara e khannang ka kotloloho. Mekhoa ea ho khanna ka kotloloho e fokotsa tahlehelo ea mechini le monyetla oa ho hloleha ha lebokose la li-gear, empa e hloka lijenereithara tse kholo le thepa ea makenete e turang. Ho feta moo, lijenereithara tse khannang ka kotloloho hangata li hloka litsamaiso tse rarahaneng tsa elektroniki tsa motlakase le litšenyehelo tse phahameng tsa pele.
Ka lehlakoreng le leng, di-turbine tsa gearbox di ka sebedisa dijenereithara tse nyane le ditjeo tse tlase tsa tlhahiso, empa di hloka tlhokomelo e matla ya gearbox. Ho ya ka pono ya bokgoni, tse pedi di ka qothisana lehlokoa ho latela boleng ba moralo, maemo a tshebetso le mawa a tlhokomelo. Bahlahisi ba bangata ba ntse ba rata di-gearbox ka lebaka la ho leka-lekana ha tsona pakeng tsa bokgoni, ditjeo le kgolo ya theknoloji.
Qetello
Mabokose a li-gear a bapala karolo ea bohlokoa ho eketseng katleho ea turbine ea moea ka ho fetola lebelo le tlase la rotor ho ea lebelong le phahameng le hlokoang ke jenereithara, ho ntlafatsa phetiso ea matla ka taolo ea torque le rpm, le ho nolofalletsa lijenereithara tse nyane le tse theko e tlaase. Leha li-gearbox li baka tahlehelo ea mechini 'me li hlahisa liphephetso tsa ts'epo, moralo o nepahetseng, ho tlotsa hantle, le sistimi ea ho lekola boemo li ka boloka ts'ebetso e ntle ka ho fetisisa. Ha e le hantle, li-gearbox ha se feela "likarolo tse eketsang," empa ke likarolo tsa maano tse thusang li-turbine tsa moea ho hlahisa motlakase ka botsitso, ka katleho le ka mokhoa o itekanetseng tlas'a maemo a fapaneng a moea.
