Dai ni na aten na nbung n-gun hpaga lam lawan ladan rawt jat wa ai masa hta, grau nna -n-gun kaba ai lamu ga ntsa hte panglai hkin-gau nbungli jak ni hpe jai lang ai shaloi, nbungli jak ni a shimlum lam, asak galu ai lam, wan jak shapraw ai lam, bungli galaw ai hte gram lajang ai manu jahpu ni hpe hkra machyi shangun ai madung lam langai mi gaw, n-gun rawng ai lam langai mi tai wa sai. Nbungli jak a npawt nhpang tsaw ai shara matut nna jat wa ai hte maren, nbungli jak a n-gang galu ai gaw matut nna galu wa ai, single-unit capacity mung matut nna rawt jat wa ai hte maren, nbungli jak ni bungli galaw ai shaloi hkrum katut ai nbung n-gun, tower resonance, n-gang shinggrup ai, transmission chain shinggrup ai, npawt nhpang shinggrup ai zawn re ai manghkang ni gaw grau grau law wa nga ai.
Dai majaw, nbung n-gun bungli galaw na matu hpa majaw vibration damper ra ai kun? Nbung laru kaba, nbung laru kaba, nbung laru kaba, tower shadow effect ni a majaw, n-gang ni gaw aten kadun laman hta n bung ai n-gun hpe hkam sha shangun nna, n-gang ni shinggrup ai hte shinggrup ai lam ni byin shangun nna, dai gaw hub, main shaft, gearbox, tower ni de htawt sit wa ai majaw, matut manoi shinggrup ai lam byin pru wa ai. Impeller a n-gun n bung ai, main shaft n hkrak ai, bearing n-gun n rawng ai, gearbox gear meshing hkra machyi ai lam ni yawng gaw, n-gun kaba ai nsen ni hpe shabyin ya nna, dai ni gaw transmission chain hkrat sum ai lam a madung lam ni rai nga ai. Dai nta gaw, n-gun n law ai, n-gun n law ai first-order shingra tara frequency hte, n-gun n law ai, impeller shinggrup ai frequency hte blade lai wa ai frequency hte resonance byin wa chye ai. Resonance byin wa ai shaloi, vibration amplitude grai kaba wa nna, structural shimlam hpe hkrit tsang shangun ai.
Vibration gaw nbungli jak ni hpe gara hku hkrit tsang hpa byin shangun ai kun? Matut manoi n-gun rawng ai npu hta, gearbox, bearing, main shaft, yaw system ni a fatigue prat hpe grai kadun shangun nna, hkrat sum ai lam grai law wa ai. Vibration a majaw tower flange bolt hte main frame bolt ni hpe n-gun yawm mat nna, grai sawng ai masa hta, weld ni hta fatigue cracks ni pru wa chye ai. Vibration limits hpe lai di ai gaw, main control system a load hpe shayawm ya ai, lawan ai hpe shayawm ya ai, shutdown hpe makawp maga ya ai lam ni hpe shabyin ya nna, wan n-gun shapraw ai aten hte pru ai lam hpe hkrak shayawm ya lu na re. Vibration- hte seng ai hkrat sum ai lam ni gaw nbungli jak hkrat sum ai lam yawng hta 50% jan rai nna, tsaw ai shara ni hta gram lajang ai lam hte panglai hkin-gau ntsa bungli galaw ai lam hte gram lajang ai lam a matu jai gumhpraw grai law ai. Aten galu-resonance (sh) grai sawng ai vibration a majaw, blade n-gun yawm mat ai, tower n-gun yawm mat ai, npawt nhpang hkrat sum mat ai, shimlam hte seng nna grai sawng ai hkala nba ni pyi byin chye ai.
Ndai laika hta nbungli jak a n-gang ni hta vibration dampers ni hpe jai lang ai lam hpe tsun dan da ai. Blades ni gaw grau nna n-gun ja ai hku shamu shamawt ai daw ni rai nna, madung hku nna flapping, oscillation, flutter, hte icing-a majaw n bung ai shamu shamawt ai lam ni hpe madun dan ai. 20%–40% hta n-gun rawng ai mass dampers ni hpe n-gun rawng ai mass block, springs, hte damping structure ni hpe jai lang nna, n-gun rawng ai n-gun rawng ai n-gun rawng ai n-gun rawng ai n-gun rawng ai n-gun rawng ai n-gun rawng ai lam ni hpe hkrak hkra pat shingdang lu nna, n-gun rawng ai n-gun rawng ai n-gun rawng ai lam ni hpe shayawm ya lu ai. blade asak.
Vibration dampers ni hpe lang ai gaw, blade vibration amplitude hpe 30%–60% shayawm ya lu ai, blade n-gun yawm ai majaw hkra machyi ai lam hpe 40% jan shayawm ya lu ai, blade n-gun yawm mat ai hte debonding byin wa na hpe shayawm ya lu ai, icing vibration kaw na n bung ai hkra machyi lam hpe shayawm ya lu ai.
Nbung n-gun hpaga lam hta, n-gun shayawm ai jak amyu myu hte bungli galaw ai ladat amyu myu hpe lang chye ma ai. Grau nna lang ai gaw, tuned mass damper rai nna, dai hta mass block, spring, damper ni lawm ai. Dai frequency hpe nbung laru a madung n-gun rawng ai frequency hte maren gram lajang da ai. Vibration byin ai shaloi, mass block gaw n-gun hpe jai lang na matu, n bung ai maga de shamu shamawt wa ai. Kam mai ai hkrang masa, ngang grin ai akyu, grai dam lada ai hku jai lang mai ai lam ni nga ai.
Panglai ntsa na nbungli jak ni gaw, lamu ga ntsa na nbungli jak ni hta htam law law grau sawng ai grup yin ni hta bungli galaw nga ai. Dai majaw, n-gun shayawm ai lam gaw, n-gun ja ai n-gun shayawm ai lam hpe hkan sa ra ai, dai hta, n-gun ja ai -dip galvanizing, 316L n-gun n rawng ai n-gang, Dacromet coating, hkying hkum 1000 jan hka garan ai chyam dinglik ai lam, -40℃kaw nna 80℃du hkra katsi ai shara ni hta ngang grin ai hku bungli galaw lu ai lam ni lawm ai. Offshore hpe gram lajang na matu manu grai law ai majaw, prat galu na matu hkrang shapraw ra ai. Dai hydraulic damper hpe mung panglai hpe awu asin di kau lu ai sau n pru hkra galaw ra ai.
Vibration Damper hpe jai lang ai kaw na nbungli dap ni hta gara tatut akyu ni lu la mai ai kun?
N-gun dat shapraw ai lam law wa ai, n-gun shayawm ai-n-gun shayawm ai lam hte n-gun yawm ai aten hpe shabyin ya ai, nbung laru kaba ai shara ni hta ngang grin ai hku bungli galaw lu ai, n-gun dat shapraw ai lam yawng 2%–8% jat wa ai; core daw ni a asak hpe galu shangun ai, blade a asak hpe 20%–40% jat ya ai, gearbox a asak hpe 30%–50% jat ya ai, tower a n-gun yawm ai lam hpe 30%–60% shayawm ya ai; bungli galaw ai hte gram lajang ai manu hpe grai shayawm ya lu ai, tsaw ai-hkum hkrang gram lajang ai bungli ni hpe shayawm ya lu ai, gearbox hte bearing ni hpe galai shai ra ai lam ni hpe shayawm ya lu ai, panglai hkin-gau nbungli jak langai hpe shaning shagu US dollar wan hku nna wan hku law hkra hkye la lu ai; turbine a shimlam yawng hpe grau kaja hkra galaw ya ai, nsen n pru ai hpe koi ya ai, nbung laru, nbung laru, hka leng ni a npu hta asak hkrung lu ai atsam hpe jat ya ai, bolt n-gun yawm mat ai hte structural cracking byin wa na masa hpe shayawm ya ai; nsen hpe shayawm ya ai, nbung n-gun hte npawt nhpang nsen hpe shayawm ya ai, grup yin makawp maga ra ai lam ni hpe hkan sa ya ai hte masing hpe myit hkrum ai lam hpe loi shangun ai.
