Boemong ba tsoelo-pele e potlakileng ea indasteri ea matla a moea a sejoalejoale, haholo{{0}li-turbine tsa moea tse matla tse tsoang lebopong le lebopong la leoatle, ho sisinyeha ho fetohile e 'ngoe ea lintlha tsa mantlha tse amang polokeho ea mochini oa moea, nako ea bophelo, phepelo ea motlakase, le litšenyehelo tsa ts'ebetso le tlhokomelo. Ha bophahamo ba sebaka sa turbine ea moea bo ntse bo eketseha, bolelele ba lehare bo tsoela pele ho lelefala, 'me{2}}uniti e le 'ngoe e ntse e hola, mathata a kang ho sisinyeha ha moea, tower resonance, lehare le sisinyeha, ho sisinyeha ha ketane ea phetisetso, le ho thothomela ha motheo ho shebaneng le li turbine tsa moea nakong ea ts'ebetso.
Joale, ke hobane'ng ha damper ea vibration e hlokahala bakeng sa ts'ebetso ea matla a moea? Meea e loebehlanang, meea e matla, meea e kuta, le phello ea moriti oa tora li etsa hore mahare a be le metsu e fapa-fapaneng nako le nako, e lebisang ho otlaneng ha lehare le ho oscillation, e fetisetsoang ho hub, shaft e kholo, lebokose la gear le tora, e leng se bakang ho thothomela ho tsoelang pele. Ho se leka-lekane ha li-impeller mass, ho se tsamaisane hantle ha shaft, li-bearing wear, le li-gearbox meshing, kaofela li hlahisa -litšisinyeho tse ngata, e leng lisosa tse kholo tsa ho se sebetse hantle ha phetisetso. Tora ke moaho o mosesane, o tenyetsehang o nang le lebelo le tlase la pele{3}tabelo la tlhaho, e leng ho etsang hore e ratehe ho resonance le maqhubu a ho potoloha ha impeller le maqhubu a lehare. Hang ha resonance e etsahala, amplitude ea vibrate e matlafatsoa haholo, e sokelang polokeho ea sebopeho.
Ke likotsi life tse bakoang ke ho sisinyeha ho li-turbine tsa moea? Tlas'a ho thothomela ho sa khaotseng, bophelo ba mokhathala oa li-gearbox, li-bearings, li-shafts tse ka sehloohong le li-yaw system li khutsufatsoa haholo, 'me sekhahla sa ho hloleha se eketseha haholo. Ho sisinyeha ho ka etsa hore liboutu tsa tora le liboutu tse kholo li theohe, 'me maemong a matla, mapetsong a mokhathala a ka hlaha litšepeng. Ho feta meeli ea ho sisinyeha ho tla tsosa phokotso ea mojaro oa sistimi e kholo, ho fokotsa lebelo, le ts'ireletso ea ho koala, ho fokotsa ka kotloloho nako le tlhahiso ea matla. Ho thothomela-ho hloleha ho amanang le ho sisinyeha ho bakela ho feta 50% ea ho hloleha ha turbine ea moea, 'me -ho lokisoa ha bophahamo bo phahameng le ts'ebetso ea kantle ho lebopo le litšenyehelo tsa tlhokomelo li holimo haholo. Ho thothomela ha nako e telele{7}kapa ho sisinyeha ho feteletseng ho ka lebisa ho robeheng ha blade, tower deformation, ho senyeha ha motheo, esita le likotsi tse mpe tsa polokeho.
Sengoliloeng sena se hlahisa ts'ebeliso ea li-dampers tsa vibration mahareng a turbine ea moea. Li-blades ke likarolo tse thothomelang ka ho fetesisa, haholo-holo tse bontšang ho otlanya, ho sisinyeha, ho phaphasela, le ho thothomela{1}}ho bakoang ke ho sisinyeha ho sa leka-lekaneng. Li-dampers tse lokiselitsoeng ka hare, tse kentsoeng ho 20% -40% ea bolelele ba lehare, li sebelisa sekoti se seholo, liliba le sebopeho sa mongobo ho tsamaisana le maqhubu a ho sisinyeha ha lehare, ka katleho li hatella pele{5}} le la bobeli{6}ho laela ho oscillation le ho thothomela, ho fokotsa motso oa ho khathatseha, ho fokotsa motso le ho khathala ha nako ea bophelo.
Tšebeliso ea li-dampers tsa vibration e fokotsa boholo ba blade vibration amplitude ka 30% -60%, e fokotsa tšenyo ea mokhathala oa blade ka ho feta 40%, e fokotsa kotsi ea ho petsoha ha lehare le ho arohana, 'me e fokotsa tšusumetso e sa leka-lekaneng ea ho sisinyeha ha leqhoa.
Indasteri ea matla a moea hangata e sebelisa li-dampers tsa mefuta e fapaneng le melaoana ea ts'ebetso. Mofuta o sebelisoang ka ho fetisisa ke "mass mass damper", o nang le "mass block", "spring" le "damper". Maqhubu a lebisitsoe ho maqhubu a maholo a ho thothomela a turbine ea moea. Ha ho sisinyeha ho etsahala, block block e ea lehlakoreng le fapaneng ho sebelisa matla. E na le sebopeho se ka tšeptjoang, phello e tsitsitseng, le tšebeliso e pharaletseng.
Li-turbine tsa moea tsa offshore li sebetsa tikolohong makhetlo a 'maloa ho feta li-onshore turbines. Ka hona, mochini o thibelang ho sisinyeha o tlameha ho kopana le litlhokahalo tse phahameng tsa ho thibela kutu, ho kenyelletsa le ho chesa-dip galvanizing, 316L stainless steel, Dacromet coating, tlhahlobo ea ho fafatsa letsoai ka lihora tse fetang 1000, le ts'ebetso e tsitsitseng ho lithempereichara ho tloha ho -40℃ho 80 degrees . Litsenyehelo tsa tlhokomelo ea kantle ho naha li holimo haholo, li hloka moralo oa bophelo bo bolelele. Setsi sa hydraulic damper le sona se tlameha ho etsoa ho thibela ho lutla ha oli ho ka silafatsang leoatle.
Ke melemo efe e sebetsang eo lipolasi tsa moea li ka e fumanang ka ho sebelisa Vibration Damper?
Keketseho ea ho fehla motlakase, ho sisinyeha ho fokotsehileng{0}ho bakile mefokolo ea motlakase le nako ea ho theoha, ts'ebetso e tsitsitseng libakeng tse ferekaneng tsa moea, le keketseho ea kakaretso ea phepelo ea motlakase ea 2%–8%; bophelo bo atolositsoeng ba likarolo tsa mantlha, bophelo ba lehare bo eketsehile ka 20% -40%, bophelo ba li-gearbox bo eketsehile ka 30% -50%, mme tšenyo ea mokhathala oa tora e fokotsehile ka 30% -60%; e fokolitse haholo litjeho tsa ts'ebetso le tsa tlhokomelo, ts'ebetso e fokolang-ea ho lokisoa ha bophahamo, ho fokotseha ha li-gearbox le tse nchafalitsoeng, ho boloka likete ho isa ho mashome a likete tsa lidolara tsa Amerika ka mochini o mong le o mong oa moea o tsoang lebopong ka selemo; e ntlafalitse polokeho ea li-turbine ka kakaretso, ho qoba molumo oa molumo, ho matlafatsa bophelo tlas'a lifefo, litšisinyeho tsa lefatše le maqhubu, le ho fokotsa kotsi ea ho lokoloha ha liboutu le ho phatloha ha sebopeho; lerata le fokotsehileng, ka lerata le fokotsehileng la moea le sebopeho sa sebopeho, le fihlelang litlhoko tsa ts'ireletso ea tikoloho le ho tsamaisa tumello ea morero.
