Abstract: The present invention relates to a bi-directional power converter (100) for converting an input voltage into an output voltage. The bi-directional power converter (100) may comprise a primary switching unit having a primary switching frequency and a secondary switching unit having a secondary switching frequency: the primary switching frequency being lower than the secondary switching frequency.

Abstract: A method for converting an input voltage (Vin) of a converter (1) into an output voltage (Vout), the circuit comprising a first bridge arm consisting of two switches (A) and (B), a second bridge arm consisting of two switches (C) and (D), connected in parallel, a primary coil coupled to a secondary coil, and connected by a center point pole (PAB) of the first bridge arm, and by another center point pole (PCD) of the second bridge arm; the circuit further comprising a capacitor in parallel between the respective terminals of each of the switches (A, B, C, D); a third bridge arm formed by two switches (E) and (F), connected in series; each of the switches (A, B, C, D, E, F) being associated with a diode at the terminals of said switch; an injection inductance (Linj) connected to the center point (PAB) of the first bridge arm, and to the center point (PEF) of the third bridge arm; a monitoring-control unit configured to control the switches to turn them ON or OFF, according to a control cycle configured to ensur

Abstract: Disclosed is a battery configured to electrically power at least one actuator or to receive electrical energy from at least one onboard actuator onboard an electrically autonomous vehicle, the battery including at least one battery element, the at least one battery element, being configured to store or restore electrical energy, the battery also comprising a thermoelectric device that is electrically connected to the at least one battery element, the thermoelectric device including: —a first heat-conducting portion placed in contact with the at least one battery element, —at least one thermoelectric cell, placed in contact with the heat-conducting portion, the at least one thermoelectric cell, being configured to produce a first positive or negative thermal power as a function of a first electrical current passing through the at least one thermoelectric cell, the first electrical current being provided by the at least one battery element, —a second heat-conducting portion placed in contact with the at least o

Abstract: Device for supplying electric power to at least one electrical energy-consuming unit or to at least one electrical energy-supplying unit or to at least one electrical energy-consuming and supplying unit of an electrical installation, the device including a plurality of electrical energy generators, each generator of the plurality being connected electrically in parallel with the other generators, each generator including a computing unit, a power converter and an electrical energy storage and supply element, the power converter of a generator being bidirectional and configured so as to supervise a value of a setting variable on the basis of an electric charging or discharging power of the storage element of said generator, the electric charging or discharging power being calculated in real time by the computing unit on the basis: —of a function of the values of the setting variables of the electric charging or discharging power of each of the storage and supply elements of the other generators; and —of a dete

Abstract: The present invention relates to a bi-directional power converter (100) for converting an input voltage into an output voltage. The bi-directional power converter (100) may comprise a primary switching unit having a primary switching frequency and a secondary switching unit having a secondary switching frequency: the primary switching frequency being lower than the secondary switching frequency.

Abstract: A chopped current input electrical energy converter includes at least one conversion module (K1, K2) generating at least one first output signal (Vout1) and one second output signal (Vout2) and including: a transformer (10), an input switching stage (20) controlling the transfer of electrical energy to the transformer (10), and at least one first output stage (30) and one second output stage (40), the first output stage (30) generating the first output signal (Vout1), and the second output stage (40) generating the second output signal (Vout2); the level of the first output signal (Vout1) reflected at a primary winding (11) of the transformer (10) is greater than the level of the second output signal (Vout2) reflected at the primary winding (11) of the transformer (10).

Abstract: A chopped current input electrical energy converter includes at least one conversion module (K1, K2) generating at least one first output signal (Vout1) and one second output signal (Vout2) and including: a transformer (10), an input switching stage (20) controlling the transfer of electrical energy to the transformer (10), and at least one first output stage (30) and one second output stage (40), the first output stage (30) generating the first output signal (Vout1), and the second output stage (40) generating the second output signal (Vout2); the level of the first output signal (Vout1) reflected at a primary winding (11) of the transformer (10) is greater than the level of the second output signal (Vout2) reflected at the primary winding (11) of the transformer (10).

Abstract: A circuit for providing at least two power supply voltages from a D.C. voltage provided by a first switched-mode converter between a first and a second terminals, wherein: a second reversible buck-type switched-mode converter is powered with said D.C. voltage; a capacitive dividing bridge connects said first and second terminals, the midpoint of the capacitive dividing bridge corresponding to the output of the second converter and defining a third terminal of provision of an intermediary potential; and said two power supply voltages are respectively sampled between the first and third and between the third and second terminals.

Abstract: A power supply circuit capable of providing two regulated voltages based on a D.C. input voltage, including a boost converter and a buck-boost converter, the circuit including a single inductive element common to the boost and buck-boost converters.

Abstract: A method and a circuit for controlling a power recovery stage of a plasma display panel including a resonant circuit of at least one inductive element and one capacitive element, wherein the capacitive element is precharged to half a supply voltage of the display panel.

Abstract: A circuit for providing at least two power supply voltages from a D.C. voltage provided by a first switched-mode converter between a first and a second terminals, wherein: a second reversible buck-type switched-mode converter is powered with said D.C. voltage; a capacitive dividing bridge connects said first and second terminals, the midpoint of the capacitive dividing bridge corresponding to the output of the second converter and defining a third terminal of provision of an intermediary potential; and said two power supply voltages are respectively sampled between the first and third and between the third and second terminals.

Abstract: A power supply circuit capable of providing two regulated voltages based on a D.C. input voltage, including a boost converter and a buck-boost converter, the circuit including a single inductive element common to the boost and buck-boost converters.

Abstract: A charge transfer circuit of a liquid crystal display includes at least one inductive element connectable between first and second common terminals, to a first and to a second groups of lines of the display, respectively.

Abstract: A switched-mode converter including a first magnetic circuit including a first inductive element, coupled to at least one second inductive element and electrically in series with this second element and with a first diode between a first one of two input terminals and a first one of two output terminals; a first switch in series with a third inductive element between a second terminal of the first inductive element and a second input terminal, a common node between the first switch and the third inductive element being connected to one of the output terminals by a second diode; and a circuit capable of canceling the voltage across this first switch before its turning-on.

Abstract: A method and a circuit for controlling a power recovery stage of a plasma display panel including a resonant circuit of at least one inductive element and one capacitive element, wherein the capacitive element is precharged to half a supply voltage of the display panel.

Abstract: A charge transfer circuit of a liquid crystal display includes at least one inductive element connectable between first and second common terminals, to a first and to a second groups of lines of the display, respectively.

Abstract: A circuit for detecting the zero crossing of a variable voltage across at least one switching element, including circuitry for measuring the slope of the voltage when it varies in a given direction, and for indicating a zero crossing if this slope is comprised within a range of values.

Abstract: A circuit for controlling a bidirectional switch referenced to a first reference voltage by a control circuit supplied by a first voltage and referenced to a second reference voltage. The supply voltage of the control circuit is connected by a diode to a coupling circuit comprising a node, this node being connected to the collector of an NPN transistor having its emitter connected to the second reference voltage and having its base receiving the output of the control circuit, to a first terminal of a capacitor having its second terminal connected to the first reference voltage, to the emitter of a PNP transistor having its base connected to the collector of the transistor, and having its collector connected to the control terminal of the bidirectional switch.

Abstract: A circuit for controlling a triac, comprising: a bidirectional current-limiting active element connecting the triac gate to its opposite power electrode; and a switch connecting the gate to the other power electrode of the triac.

Abstract: A method and a circuit for controlling at least one thyristor constitutive of a rectifying bridge with a filtered output, including closing the thyristor when the voltage thereacross becomes greater than zero, and making the gate current of the thyristor disappear when the current therein exceeds its latching current.