re-cut-in speed
French translation: vitesse minimale de redémarrage
| 10:55 Jul 23, 2018 |
| English to French translations [PRO] Tech/Engineering - Energy / Power Generation / windfarms | |||||||
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|  Selected response from: GILLES MEUNIER France Local time: 15:17 | ||||||
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| 5 +1 | vitesse minimale de redémarrage |
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| 4 +1 | vitesse de redémarrage (après éclipsage/coupure) |
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| Discussion entries: 1 | |
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Answers
28 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1vitesse de redémarrage (après éclipsage/coupure) Explanation: ou cut-back-in speed cut-in speed : vitesse de fourniture / de démarrage cut-out wind : vitesse d'éclipsage / de coupure ere-cut-in speed : vitesse de redémarrage (après coupure) "How much wind is required? Every wind turbine design has a cut-in wind speed, a rated wind speed, and a cut-out wind speed. At the cut-in wind speed, the blades start to turn and a trickle of electricity starts to be produced. Around cut-in, the generator may be used as a motor to help the wind overcome inertia and start the blades turning. The cut-in speed is typically 7 to 9 mph. At the rated wind speed, the turbine is able to generate electricity at its maximum, or rated, capacity. The rated speed is usually in the range of 25 to 35 mph. At the cut-out wind speed, the turbine shuts down to avoid damage. The pitch controllers feather the blades to let the wind flow past them and the rotor hub is braked. The wind usually has to return to a much lower speed, called the cut-back-in wind speed, for a certain amount of time before the turbine will restart. The cut-out speed is generally around 55 mph. The cut-back-in speed is around 45 mph. " https://www.wind-watch.org/faq-technology.php "Vestas V82-1650kW Arctic, scaled down to 1500kW from the original 1650kW to better function in arctic climate [Vestas, 2008]. The cut-in and cut-off speed is set to 3.5 m/sec and 20 m/sec, respectively. The re-cut-in speed is set to 18m/sec to avoid to high frequency of start and stops. The power curve for the turbine can be seen in Figure 2.2. Each unit has a nacelle height of 78 m and a rotor diameter of https://core.ac.uk/download/pdf/19639512.pdf "Un vent de vitesse minimale à la hauteur du moyeu est nécessaire pour qu’une éolienne puisse produire de l’électricité. Cette vitesse s’appelle la vitesse de fourniture ou de démarrage. La vitesse maximale s’appelle la vitesse d’éclipsage, ou de coupure. Entre ces deux vitesses de vent, déterminées certaines contraintes techniques et de conception, la turbine pourra fournir de l’électricité de manière sûre. Lorsque la vitesse du vent surpasse la vitesse d’éclipsage nominale, des systèmes de commande modifient l’angle de calage des pales pour que le rotor cesse de tourner et la production d’électricité est suspendue pour empêcher la turbine de s’endommager. La puissance maximale de sortie de l’alternateur sciencepourlepublic.ca/uploads/fr/.../wind-turbine.../fullreport_windturbine_fr.pdf |
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29 mins confidence: peer agreement (net): +1
peer agreement (net): +1vitesse minimale de redémarrage Explanation: https://fra.proz.com/kudoz/english_to_french/energy_power_ge... |
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