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ACTIVE STALL REGULATION [1 record]

Record 1 2010-10-12

English

Subject field(s)
  • Electric Rotary Machines
  • Wind Energy
DEF

A wind turbine blade regulation system that, when the machine reaches its rated power, and the generator is about to be overloaded, pitches the blades in the opposite direction from what a pitch controlled machine does, hence increasing the angle of attack of the rotor blades in order to make the blades go into a deeper stall, thus wasting the excess energy in the wind.

French

Domaine(s)
  • Machines tournantes électriques
  • Énergie éolienne
DEF

Système de régulation des pales d'une éolienne qui, lorsque celle-ci atteint sa puissance nominale et que la génératrice est sur le point d'être surchargée, fait pivoter les pales dans la direction opposée à celle dans laquelle une éolienne à pas variable l'aurait fait, ce qui a pour conséquence d'augmenter l'angle d'attaque des pales du rotor pour faire décrocher les pales encore plus, supprimant ainsi l'excès d'énergie du vent.

Spanish

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