Abstract: Motorized system for holding and driving at least one solar energy collector, said system including: a supporting structure for the panel, movable at least in part in relation to the ground, so as to allow controlled displacement of the collector, notably about at least two axes of rotation, at least one blocking member, fixed in relation to the ground, at least one coupling member, movable with the collector and adapted to cooperate with the blocking element in at least one locking position of the collector, in order to hold the collector in the event of extreme winds, the coupling member being able to be moved into the locking position or locking positions as a result of a predefined movement of the collector, from a usual operating position where the coupling member is remote from the blocking member.

Abstract: A singly-excited flux-switching electrical machine, that includes field coils and phase windings, is provided. The field coils and the phase windings are accommodated respectively in the unevenly shaped notches of a stator, such that the field coils and phase windings are radially offset.

Abstract: The present invention concerns an installation for pumping hydrocarbons, including a pump submerged in a well and a motor for driving the pump, said motor being linked to a variable frequency drive powered during normal operation by an external network, the drive including a rectifier supplying a DC bus, an inverter supplied by the DC bus and linked to the motor, and a controller, said installation wherein it further includes an electricity storage element linked by a reversible DC-DC converter to the DC bus, the installation being arranged to ensure the variable frequency drive is supplied by the storage element in case of an interruption to the supply via the external network.

Abstract: The present invention relates to a flux-switching machine, including a stator having phase windings and field coils, wherein, in the machine, at least one field coil is arranged in a pair of notches separated by at least three teeth.

Abstract: The present invention relates to a rotor for a rotary electric machine, extending along a longitudinal axis, including: projecting poles having pole shoes, and at least one internal cooling channel extending axially along at least one pole shoe.

Abstract: Electric motor includes a housing provided with an opening equipped with a membrane forming a barrier to liquid water between the inside and the outside of the housing but permeable to water vapour, the stator being liquid cooled and the motor having an internal fan to generate a forced circulation of air inside the motor, the membrane being situated in a region in which the forced circulation of air exposes it on the inside to a pressure higher than atmospheric pressure.

Abstract: The invention relates to a method for regulating the output voltage of the alternator of a generator set, said generator set including a heat engine driving the alternator, the alternator including a rotor having a pole wheel. Said method includes the following step: detection of an increase in the power at the outlet of the alternator, and in the event of a detected increase, the value of the current in the polar wheel is modified in such a way as to temporarily bring the output voltage of the alternator to a value lower than the value before the detection of the increase in power, with the aim of decreasing the level of torque required from the heat engine.

Abstract: A rotor for a rotary electric machine includes a magnetic rotor body and at least two permanent magnets defining a pole of the rotor, the two permanent magnets being arranged on either side of a radial axis of the pole in a common recess which is provided in the magnetic rotor body and through which the radial axis of the pole passes.

Abstract: A rotor for a rotary electric machine has permanent magnets defining magnetic poles of the rotor, i.e. a first pole and a second pole adjacent to the first pole, the first and second poles having different polarities; permanent magnets assigned to the first pole contribute only to the polarity of the first pole, and at least one shared permanent magnet contributes in part to the polarity of the first pole and in part to the polarity of the second pole.

Abstract: A rotating electric machine comprising at least one end flange carrying a bearing, and a housing onto which the end flange is attached, said housing being cooled by a liquid cooling circuit and having at least two connectors communicating with the cooling circuit. The two connectors allow the supply and return of cooling liquid to and from the flange when the flange is configured to be cooled by a flow of the cooling liquid.

Abstract: A stator for a rotary electric machine has: a toothed ring with teeth defining notches therebetween, the notches being open radially toward the outside, windings, which are arranged in a distributed manner in the notches, electrical conductors being arranged in an aligned manner in the notches, and a yoke mounted onto the toothed ring.

Abstract: The invention relates to a rotor for a rotary electric machine, extending along a longitudinal axis and including: an assembly of electrical sheets forming projecting poles, two projecting poles defining an interpolar region therebetween; and at least two internal cooling channels formed in the assembly of electrical sheets in at least one interpolar region.

Abstract: A method for producing an electric rotary machine including a rotor magnetic mass formed by a stack of superimposed electrical sheets containing housings, and a plurality of permanent magnets inserted in the housings, the housings being provided with a plurality of lugs for locking the permanent magnets in the housings.

Abstract: A system for controlling and regulating a generating set including an alternator that is mechanically coupled to a drive motor, the alternator including a terminal box borne by a casing and containing electric connections connected to the windings of the alternator. The system includes a controller part for controlling the motor of the generating set and a regulator part for regulating an output voltage of the alternator, the voltage regulator part being positioned outside the terminal box and solidly connected to the controller part of the set.

Abstract: A method for determining the polarity of a pole of a rotor of an electrical rotating machine, having an estimated position in relation to a stator, said method including the following steps: a) applying an excitation voltage to the stator such as to generate two different magnetic fluxes successively inside a saturable magnetic zone of the pole, one flux in conjunction with and the other in opposition to the magnetic flux of the magnets, such as to saturate the saturable magnetic zone for at least one of the magnetic fluxes; and b) determining the polarity of the pole according to the differences in the temporal evolution of the current generated in the stator by the two fluxes.

Abstract: The present invention concerns a system for coupling a driving machine with a driven machine comprising a driving machine disk comprising first reliefs, and a driven machine disk comprising second reliefs. The second reliefs are arranged relative to the first reliefs to enable the coupling system to form a first configuration allowing axial separation according to the axis of rotation of the two discs and in which the two disks are in contact, the first reliefs being angularly offset relative to the second reliefs, and a second configuration in which the second reliefs engage with the first reliefs and oppose the axial movement of the two disks relative to each other. The shift from the first to the second configuration is made by a rotation of the two disks relative to each other about the axis of rotation.

Abstract: The invention relates to electromechanical assemblies comprising an alternator, especially of high power, typically greater than or equal to IMW, and a converter, the alternator comprising a rotor driven in rotation, by a wind turbine for example, and more particularly to wound rotor synchronous alternators. The drive can also take place by means of a tide-driven, hydraulic or marine-current-driven generator. An alternator comprises in a manner known per se a field winding, generally at the rotor, supplied with DC current either by split rings and brushes, or by an exciter, so as to generate in an armature winding, generally at the stator, an AC voltage.

Abstract: The invention relates to a rotor of a rotary electric machine, in particular for a flux-switching or wound-rotor machine, a mounting for installing the rotor on a shaft and a plurality of magnetic sectors, preferably in the form of a strip, attached to the mounting.