feathering of blades
Polish translation: ustawianie łopat w pozycji neutralnej
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| 10:36 Apr 4, 2014 |
| English to Polish translations [PRO] Tech/Engineering - Energy / Power Generation / energia odnawialna, turbiny wiatrowe | |||||||
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|  Selected response from: mike23 Poland Local time: 04:24 | ||||||
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| Summary of answers provided | ||||
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| 2 +1 | ustawianie łopat w pozycji neutralnej |
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| 4 -1 | powykręcania łopat/skrzydeł |
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| Discussion entries: 9 | |
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Answers
1 day 3 hrs confidence: 
peer agreement (net): +1
peer agreement (net): +1ustawianie łopat w pozycji neutralnej Explanation: pojęcie ‘blade feathering’ oznacza zatrzymywanie wirnika (dokonywane zwykle automatycznie przez komputer sterujący) poprzez ustawianie jego łopat w pozycji równoległej do kierunku wiatru http://www.ekoefekt.pl/dokumenty/dokument_29.pdf page 22 -------------------------------------------------- Note added at 1 day3 hrs (2014-04-05 14:17:56 GMT) -------------------------------------------------- 3.0. Overspeed controll There are two independent methods of speed control in each turbine: blade pitch control and hydraulic disc braking. [...] The blades will automatically adjust to a feathered position at 85 degrees to the wind, and the hydraulic braking will be applied to bring the turbine to a neutral position, then in fully feathered position, the blades will be allowed to idle. http://www.maine.gov/dep/ftp/WindPowerProjectFiles/Oakfield/... -------------------------------------------------- Note added at 1 day3 hrs (2014-04-05 14:20:24 GMT) -------------------------------------------------- In case of grid power failures, pre-loaded spring units automatically feather the blades into the neutral position. http://www.mosscliff.co.uk/documents/mosscliff_wtn500_brochu... -------------------------------------------------- Note added at 1 day3 hrs (2014-04-05 14:25:31 GMT) -------------------------------------------------- Generally, a wind turbine is shut down in a controlled manner via the pitch control system wherein the blades are feathered to a neutral position to bring the rotor hub to a stop, at which time a mechanical brake is generally applied to the main rotor shaft. http://www.google.com/patents/US20120134803 -------------------------------------------------- Note added at 1 day3 hrs (2014-04-05 14:27:43 GMT) -------------------------------------------------- ustawianie łopat elektrowni w pozycji neutralnej (ustawienie łopat w pozycji równoległej do kierunku wiatru) http://www.oddzialywaniawiatrakow.pl/oddziaływaniawiatraków,... |
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1 day 4 hrs confidence: peer agreement (net): -1
peer agreement (net): -1powykręcania łopat/skrzydeł Explanation: powykręcania łopat/skrzydeł wyjaśnienie poniżej oraz w załączniku (excluding feathering of blades) of a Wind Turbine for a continuous period of 2 days. (wykluczając powykręcanie łopat/skrzydeł ) turbiny wiatrowej przez okres ciągły 2 dni. When wind speeds reach 88 km/h turbine blades of wind turbines are usually twisted, or "feathered", so that they no longer intercept airflow properly and they stop turning Gdy prędkości wiatru dochodzą do 88 km/h ostrza turbiny silników wiatrowych zazwyczaj są przekręcone, albo "powykręcane", tak że już nie przechwytują prądu powietrza jak należy i przestają się obracać. When wind speeds reach 88 km/h turbine blades of wind turbines are usually twisted, or "feathered", so that they no longer intercept airflow properly and they stop turning. This is to both protect people on site in the event of a blade loss and to protect the turbine from structural stress. But for this blade-stalling process to work properly the turbine head must be rotated horizontally, or / and pointed into the wind. -------------------------------------------------- Note added at 1 day14 hrs (2014-04-06 01:00:37 GMT) -------------------------------------------------- odnośnie komentarza CRANNMER w którym miejscu jest napisane "ostrza" ??? gdzie jest argument merytoryczny ? EWIDENTNY SPAM Reference: http://www.newscientist.com/article/dn23848-why-storm-winds-... |
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