H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 3/51 (2006.01)
Patent
CA 2681973
The invention relates to a rotor (10) for an electric machine, in particular a hydrogenerator. Said rotor comprises a rotor armature (12) with axial winding grooves (13) that are distributed around the outer periphery, winding rods (14, 15) of the rotor winding being inserted into said grooves. The winding ends (16, 17) of said rods that protrude axially from the rotor armature (12) form a winding head (11 ), which is retained against the centrifugal forces that arise by means of a retaining device (19,..,28) comprising a plurality of radial bolts (24). In a rotor of this type, to securely fix the radial bolts, said bolts (24) have heads (25) that are rigidly fixed to the shaft (31).
L'invention concerne un rotor (10) de moteur électrique, notamment d'hydrogénérateur, qui comprend une culasse de rotor (12) munie de rainures d'enroulement (13) axiales réparties sur la périphérie extérieure, dans lesquelles sont introduites les barres d'enroulement (14, 15) de l'enroulement rotorique, dont les extrémités (16, 17) sortant de la culasse de rotor (12) dans le sens axial forment une tête d'enroulement (11) qui est retenue par un dispositif de retenue (19,..., 28) comprenant une pluralité de goujons (24) radiaux, pour résister aux forces centrifuges exercées dessus. L'invention permet de parvenir à une fixation fiable des goujons radiaux du fait que les goujons (24) radiaux présentent des têtes (25) solidarisées de manière fixe avec l'arbre (31).
Binder Susanne
Schmid Matthias
Schwanda Josef
Schwery Alexander
Alstom Technology Ltd
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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