Power electronic system comprising at least one module (CV1) suitable for being connected to a voltage source that delivers a DC input voltage (Ue1) across a positive terminal (AA1) and a negative terminal (BB1), and for converting the input voltage into a DC output voltage (Us1) across a first output (CC1) and a second output (DD1) of the module. The module comprises: - a switching circuit (3) comprising a first input (E1) and a second input (E2), said inputs being intended to be connected to the positive terminal and to the negative terminal of the voltage source, respectively, - a first filtering circuit (5) having a first input (E6) connected to a first output (E3) of the switching circuit, and a second input (E7) intended to be connected to the negative terminal of the voltage source, and - a second filtering circuit (7) having a first input (E10) connected to a first output (E8) of the first filtering circuit, a second input (E11) connected to a second output (E9) of the first filtering circuit, a first output (E12) connected to the first output (CC1) of the module, and a second output (E13) connected to the second output (E4) of the switching circuit, the second output (E9) of the first filtering circuit furthermore being connected to the second output (DD1) of the module. Corresponding method.
H02M 1/14 - Arrangements for reducing ripples from DC input or output
H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
An electricity generator that derives energy from a membrane undulating in a longitudinal direction. The generator having electricity generation modules carried on the membrane, each module having a fixed frame, a movable frame, a coil, and at least one permanent magnet carried by one of the frames in order to generate a voltage when the membrane undulates. The fixed frames are connected to the membrane and the movable frames are disposed at a distance from a neutral axis of the membrane so that, when the membrane undulates in the longitudinal direction, the moveable frame of each electricity generation module slides in a rectilinear movement with respect to the fixed frame so as to generate electrical voltages in the coils of each module.
F03B 13/10 - Submerged units incorporating electric generators or motors
H02K 35/00 - Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
F03B 13/18 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
F03D 13/20 - Arrangements for mounting or supporting wind motorsMasts or towers for wind motors
3.
ELECTRIC GENERATOR HAVING PERMANENT MAGNETS AND FITTED WITH A MAGNETIC FLUX COLLECTOR
Alternator (1) comprising an induction part (2) and an armature part (3) which can move with respect to one another: - the induction part (2) comprises first and second series of magnets (5a, 5b) disposed in such a way as to form an alternation of magnets of first series and second series of magnets; - the armature part (3) comprising a core (9) and a coil (11) surrounding said core (9). The armature part (3) has a first collector (10) comprising teeth (10a) spaced apart in such a way that, during the relative displacement of the armature part (3) with respect to the induction part (2) according to said direction of displacement (4), the alternator (1) alternately adopts distinct first and second configurations in the first configuration, the teeth (10a) of the first collector (10) are opposite magnets (6) belonging to the first series of magnets (5a), and in the second configuration these teeth (10a) being opposite magnets belonging exclusively to the second series of magnets (5b).
H02K 35/00 - Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
H02K 41/03 - Synchronous motorsMotors moving step by stepReluctance motors
F03B 13/18 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
The invention relates to an electricity generator (1) comprising: - an undulating membrane (7) that undulates in a longitudinal direction (D); - at least one electricity generating module (2) supported by the membrane, each at least one module (2) comprising: - a stationary frame (3); - a moving frame (4); - a coil (5) and least one permanent magnet (6) supported by one of the frames (3, 4) to generate a voltage during the crinkling of the membrane. The stationary frames (3) are assembled to said membrane (7) and the moving frames (4) are positioned away from a neutral fibre (50) of the membrane (7) such that when the membrane (7) crinkles in the longitudinal direction (D) of same, there is a rectilinear sliding movement of the moving frame (4) relative to the stationary frame (3) in each electricity generating module (2), so as to generate electric voltages in the coils (5) of said modules (2).
F03B 13/18 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
A device for recovering energy from a flow of fluid including a support, a flexible membrane, an attachment system for attaching at least a first area of the membrane connecting this first area of the membrane to the support; force transmission means connected to a second area of the membrane remote from the first membrane area, this second area of the membrane being movable with respect to the support. The device includes separation limiting means, adapted to limit the separation of the first area of the membrane from at least a first point of the attachment system and to limit the separation of the second area of the membrane from a second point of the attachment system, these separation limiting means being such that the first and second areas are spaced apart from each other by a minimum distance (Dmin) smaller than the shortest length (Lmin) separating these first and second areas measured along a face of the membrane.
F03B 13/00 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates
F03B 5/00 - Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
F03D 13/20 - Arrangements for mounting or supporting wind motorsMasts or towers for wind motors
The invention relates to a device (1) for recovering energy from a flow of fluid (2), comprising: a support (3); a flexible membrane (4); a system (5) for attaching at least a first zone (6) of the membrane (4), connecting said first zone (6) of the membrane (4) to the support (3); and force transmission means (12) connected to a second zone (8) of the membrane (4), which second zone is spaced apart from the first membrane zone (6) and can move in relation to the support (3). The device (1) comprises distance-limiting means (9) adapted to limit the distance between the first membrane zone (6) and at least a first point (10) of the attachment system (5) and to limit the distance between the second membrane zone (8) and a second point (11) of the attachment system (5), said distance-limiting means (9) being such that the first and second zones (6, 8) are spaced apart from one another by a minimum distance (Dmin) less than the shortest length (Lmin) separating said first and second zones (6, 8) as measured along one face (4e) of the membrane.
F03B 5/00 - Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
F03B 13/22 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements, e.g. to drive a hydraulic motor or turbine
F03B 17/06 - Other machines or engines using liquid flow, e.g. of swinging-flap type
patents
