Method and device for regulation of electrical voltage

Details Method and device for regulation of electrical voltage Method and device for regulation of electrical voltage

G - Physics

05

F

G05F 1/20 (2006.01)

Patent

CA 2467886

The invention relates to a method and device for regulation of the electrical voltage in electrical mains networks and/or user plants with a regulating transformer. Said regulating transformer (3) is inserted in the path of the energy flux between at least one generator (1) and at least one end user (2) with a switch (7) for switching the partial windings (4) of the regulating transformer (3). The regulating transformer (3) further comprises a high leakage impedance which limits the circulating current to the order of magnitude of the nominal current in the case of a short circuit in adjacent tappings (5) of the partial windings (4). The regulating transformer (3) is embodied as a single winding transformer, for example an autotransformer or as a multiple winding transformer, for example, a full transformer.

L'invention concerne un procédé et un dispositif de régulation de la tension électrique dans des réseaux d'alimentation électrique et/ou des systèmes récepteurs au moyen d'un transformateur de régulation. Ledit transformateur de régulation (3) est monté en boucle avec un commutateur (7) commutant les enroulements partiels (4) du transformateur de régulation (3), dans le sens du flux d'énergie, entre au moins un générateur (1) et au moins un récepteur terminal (2). Par ailleurs, ledit transformateur de régulation (3) présente une impédance de fuite élevée, limitant le courant du circuit à l'ordre de grandeur du courant nominal en cas de court-circuit de branchements adjacents (5) des enroulements partiels (4). Ledit transformateur de régulation (3) est conçu en tant que transformateur à enroulement simple ou multiple, par exemple en tant que transformateur complet.

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