Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Renault S.a.s.

Bubendorff

Commissariat a L'energie Atomique

Schneider Electric Industries Sas

Merlin Gerin

Safran Electrical & Power

Institut Polytechnique De Grenoble

Schneider Electric Industries Sa

Ykk Corporation

Bubendorff, Societe Anonyme

Pierre Perichon

Léo Sterna

Nicolas Chaintreuil

Antoine Labrunie

Daniel Chatroux

Jean Brun

Dominique Vicard

Sebastien Carcouet

Dominique Bergogne

Vincent Heiries

Jean-Luc Mertz

Xavier Maynard

Sébastien Carcouet

Othman Ladhari

Charley Lanneluc

Johann Lejosne

Anh-Linh Bui-Van

Anh Linh Bui Van

Virginie Renzi

Rawad Makhoul

Robert Morel

Eric Fernandez

Viviane Cattin

Frédéric Gaillard

Antoine Saint-Marcoux

Julien Dauchy

Pierre Jost

Diego Alberto

Rémy Thomas

David Brun-Buisson

Vincent Delpy

Marc Lucea

Gerard Delette

Roland Moussanet

Ana-Lucia Driemeyer-Franco

Benoit Leprettre

Remy Thomas

Jeremy Dupont

Jérôme Genoulaz

Yves Lembeye

Ali Ercan

Gérard Delette

Sandrine Vallet

Jia Zhuang

Gerard Pion-Roux

Bruno Beranger

Romain Montheard

Luc Oriat

Xavier Bourgeois

Frederic Sauneuf

François Tavernier

Jean-Louis Lacoume

Jawad Dahmani

Sylvain Lallich

An uninterruptible power supply circuit includes an inverter circuit configured to be connected to a first AC power grid, the power supply circuit moreover being configured to adopt a first configuration for supplying power to the first AC power grid from a second AC power grid, wherein first configuration a power factor correction circuit is configured to be connected to the second AC power grid so as to deliver a DC voltage to the inverter circuit, the power factor correction circuit comprising an inductor, and a first switch branch pertaining to the power factor correction circuit and the inverter circuit; and a second configuration for supplying power to the first AC power grid from a DC voltage source, wherein second configuration a DC-DC converter circuit is configured to be connected to the DC voltage source so as to deliver a DC voltage to the inverter circuit, the inductor moreover pertaining to the DC-DC converter circuit.

Uninterruptible power supply circuit

The monitoring device is configured for monitoring a converter comprising a first and a second input terminals, two output terminals, a first filter branch connected between the input terminals, a second filter branch connected in parallel with the first branch, two switching branches connected in parallel with the second branch, each switching branch including two switching half-branches connected in series and in an intermediate point forming an output terminal. The monitoring device comprises a detection impedance configured for being connected between the first and the second branches, and a detection module configured for comparing the voltage across the detection impedance with a predefined threshold, then for generating a detection signal as soon as said voltage is greater than said threshold.

Device and method for monitoring an electrical energy converter, related electrical energy conversion system

A power converter for converting a DC input voltage into an AC output voltage, the power converter having a structure of Phi-2 type, and includes an input terminal for the DC input voltage, an output terminal for the AC output voltage, a power switch equipped with a control electrode, a first electrode and a second electrode linked to a reference potential, the power switch being configured to receive a drive signal at the control electrode, the converter further comprising a self-oscillating circuit, connected between the output terminal and the control electrode, and configured to supply and maintain a sinusoidal drive signal to the power switch from the output voltage.

Class Phi-2 power converter comprising a self-oscillating switch control circuit

Defining magnetic locks with permanent magnet and inductive coil that can be controlled instantaneously on demand within a battery pack by injection of a low electrical current from one or more BMSs. Whatever the positioning of the magnetic locks within the battery pack, one or more controlling BMSs can be positioned either on each accumulator or busbar, or on a branch to control on demand the set of accumulators in electrical series or in parallel, in the branch, either singly or at overall pack level.

Accumulator battery pack, comprising magnetic shunts that can be actuated on demand for the electrical switching of one or more of the accumulators

The present disclosure concerns a method and a circuit for controlling first and second switches electrically in series, wherein one or a plurality of crossings of a voltage threshold by a voltage across the first switch cause a conductive state of the second switch.

Control of two series connected switches

The present invention concerns a power converter including: a capacitor (CBUS) having first and second electrodes respectively coupled to first (E) and second (E) input terminals via a current-limiting element (R, L); at least one normally-on transistor (K, K, K, K, K, K); a circuit () for powering a circuit (CMD_K, CMD_K) for controlling the normally-on transistor; and a switch configurable to, in a first configuration, couple first (g) and second (h) input terminals of the power supply circuit () respectively to the first (E) and second (E) input terminals of the converter, upstream of the current-limiting element (R, l) and, in a second configuration, connect the first (g) and second (h) input terminals of the power supply circuit () respectively to the first and second electrodes of the capacitor, downstream of the current-limiting element (R, L).

Power converter comprising at least one normally-on transistor

The present disclosure concerns a circuit () for controlling two switches (--) electrically in series, including sensors (--) of voltages across the switches and a circuit () of comparison of signals output by said sensors, one at least of said sensors being an active circuit.

Circuit for controlling two switches electrically in series

A power converter comprises a primary stage including four switches forming a first H bridge; a control circuit capable of applying a first control signal to the first H bridge; a secondary stage including four switches forming a second H bridge; a control circuit capable of applying a second control signal to the second H bridge; and a power transmission stage coupling the primary stage to the secondary stage, wherein the control circuit of the secondary stage is electrically isolated from the control circuit of the primary stage. During a measurement period of a synchronization phase, the switches of the secondary stage are maintained in a short-circuit configuration while the switches of the primary stage are controlled in switched mode.

Phase-controlled power converter

A resonant power converter for converting a DC input voltage to AC or DC output voltage, includes a transistor, and a first inductor connected to an input port for a DC voltage to be converted, the drain being connected to the input port by way of the first inductor, the converter furthermore comprising a first resonant network, connected between the drain of the transistor and ground, the first resonant network being configured so as to extract the fundamental component of a drain-source voltage of the transistor and to phase-shift it by a phase shift angle such that the fundamental component and the drain-source voltage are in phase opposition and thus generate a sinusoidal drive signal.

Resonant power converter and method for converting a DC input voltage to AC or DC output voltage

The instant disclosure concerns a power converter including a capacitor having first and second electrodes respectively coupled to first and second input terminals via a current-limiting element; at least one normally-on transistor; a circuit for powering a circuit for controlling the normally-on transistor; and a switch configurable to, in a first configuration, couple first and second input terminals of the power supply circuit, respectively to the first and second input terminals of the converter, upstream of the current-limiting element and, in a second configuration, connect the first and second input terminals of the power supply circuit respectively to the first and second electrodes of the capacitor, downstream of the current-limiting element.

The instant disclosure concerns a power converter including: a primary stage () including at least one first cut-off switch (S, S, S, S); a control circuit () capable of applying a first control signal to said at least ore first switch; a secondary stage () including at least one second cut-off switch (S, S, S, S); a control circuit () capable of applying a second control signal to said at least one second switch; a power transmission stage () coupling the primary stage () to the secondary stage (), wherein the control circuit () of the secondary stage is electrically isolated from the control circuit () of the primary stage.

Power converter

A battery pack wherein each battery is mechanically and electrically connected by a magnetic device to a busbar. In case of failure of any accumulator, it is disconnected completely passively because its failure generates an inactivation of the magnetic device. The disconnection causes the gravity drop of the accumulator and the possibly completely passive implementation of an accumulator shunt.

Accumulator battery pack, comprising devices for passive magnetic between accumulators and busbars, and, where appropriate, passive shunt of one or more accumulators in case of failure of these ones

The assembly has a central block that includes a first main face, a second main face and side faces. The second main face is opposite to the first main face, and the side faces connect the first main face to the second main face. The assembly also includes a first cover arranged on the first main face. The first main face and a first external surface of the first cover form a first groove for housing a first wire element, and the first groove extends along an entire length of the first main face. The assembly further includes a second cover arranged on the second main face. The second main face and a second external surface of the second cover form a second groove for housing a second wire element, and the second groove extends along an entire length of the second main face.

Assembly for housing wire elements

A method of detecting an electric arc in an electrical system from a signal originating from at least one sensor detecting acoustic waves in the system, including: a) calculating by means of a processing device, over a sliding window of signal samples, at least one statistical parameter selected from the skewness and the kurtosis of the signal; b) detecting a possible occurrence of an event by taking into account said at least one statistical parameter; and c) performing a frequency analysis of the signal enabling to identify an electric arc when an event is detected at step b).

Method of detecting an electric arc by analysis of its acoustic signature

An electronic device including a carrier, at least one active component, and at least one inductor, the inductor including a core and a winding surrounding at least part of the core, the core delimiting at least part of a magnetic field along which magnetic flux lines are intended to run. The core includes a body including at least two portions defining two successive zones of the magnetic path, the thickness of each portion being lower with respect to the length and to the width thereof, each portion including a surface that is lateral with respect to a direction of the magnetic path, a first of the portions being in direct contact with the carrier via part of its lateral surface and a second portion being positioned with respect to the carrier such that its lateral surface is free of contact with the carrier.

Electronic device including at least one inductor comprising passive heat management means

Growing community of inventors

Voiron, France

Pierre Perichon