Method for controlling the power of a rotary aero-generator...

F - Mech Eng,Light,Heat,Weapons – 03 – D

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F03D 1/00 (2006.01) F03D 1/06 (2006.01) F03D 7/04 (2006.01)

Patent

CA 2316893

The present invention pertains to the field of mechanical engineering and more precisely relates to the construction and production of wind-driven power- plants which can be used in various branches of the industry as well as in industrial power-supply systems. The method of the present invention can be implemented according to the operation mode of the wind-driven power-plant shown in Fig. 1, wherein said power-plant includes an aero-generator (1) as well as a wind-driven wheel (2). Said wheel comprises a plurality of conical rotors (3) with end diaphragms (4) as well as motors (5) for the forced rotation of said conical rotors (3) about their longitudinal axis O-O. When receiving a wind-speed signal from a meteorological station, the programmable controller (6) of the power-plant control system (7) generates a signal for controlling a converter (8) of the AC voltage frequency supplying the motors (5) from the actuator (9) of the conical rotors (3). The linear velocity on the side surface (10) of a rotating conical rotor (3) is defined by the relation l. = (3,0 ............ 5,0) of the air flow, wherein said relation was established during the tests.

Cette invention se rapporte au domaine de la mécanique et concerne plus précisément la construction et la production de centrales électriques éoliennes qui peuvent être utilisées dans divers secteurs d'activité économique ainsi que dans des réseaux électriques industriels. La mise en oeuvre de ce procédé repose sur le mode de fonctionnement de la centrale électrique éolienne décrite dans la Fig. 1. Cette centrale comprend un générateur à éolienne (1) et une roue éolienne (2), laquelle roue comprend des rotors coniques (3) avec des diaphragmes d'extrémité (4), ainsi que des moteurs (5) assurant la rotation forcée desdits rotors coniques (3) autour de leur axe longitudinal O-O. Lorsqu'elle reçoit un signal provenant d'une station météorologique et concernant la vitesse du vent, l'unité de commande programmable (6) du système de commande (7) de la centrale va générer un signal permettant de commander le convertisseur (8) de la fréquence de tension du courant alternatif assurant l'alimentation des moteurs (5) depuis le dispositif d'actionnement (9) des rotors coniques (3). La vitesse linéaire de la surface latérale (10) d'un rotor conique (3) en rotation est définie par la relation ? l. = (3,0 ............ 5,0) ? du flux d'air, cette relation ayant été établie d'après les essais.

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