Abstract: The invention relates to a casing element of an electric equipment, said casing element being configured to house at least one electrical conductor configured to form an external terminal of the electric equipment and at least one electronic power component, adapted to be electrically connected to said electrical conductor and to convert a direct current into an alternating current, said casing element being characterised in that it comprises reception members adapted to receive, by sliding, the electrical conductor.

Abstract: An electric system to charge a battery on a vehicle provides for a three-phase alternating-direct converter comprising input terminals connected to an outside power grid, a high output terminal and a low output terminal, a direct-direct converter made up of two direct-direct converter circuits, a first converter circuit having a high input terminal connected to the high output terminal of the alternating-direct converter and a second converter circuit having a low input terminal connected to the low output terminal of the alternating-direct converter, the low input terminal of the first direct-direct converter circuit being connected to the high input terminal of the second direct-direct converter circuit, and the high output terminal of the first converter circuit being connected to the high output terminal of the second converter circuit and the low output terminal of the first converter circuit being connected to the low output terminal of the second converter circuit.

Abstract: The method for producing the electric module comprises: securing at least one first electrical component (108, 110) to a first plate (102); then assembling each first electrical component (108, 110) to an electrical connection bar (104) to which at least one second component (120) is already secured.

Abstract: The object of the invention is an electrical device comprising: a housing comprising a cavity receiving an electronic component, and at least one first electrical conductor connected to the electronic component so as to supply it with electric power, said electrical device being characterised in that it comprises a first electrically insulating film being against a surface of the first conductor so as to electrically insulate it, said first insulating film having at least one holding member enabling the first insulating film to be attached to a mechanical element, in particular of the electrical device.

Abstract: The subject-matter of the present invention is an electrical system, comprising: a resonant DC-DC voltage converter notably comprising two resonant capacitors, a control unit comprising: a first module for determining a maximum value and a minimum value of the voltage at the terminals of each resonant capacitor as a function of an output voltage of the converter, a module for comparing between said maximum value, respectively minimum value, of the voltage at the terminals of each resonant capacitor and an upper voltage limit, respectively a lower voltage limit, corresponding to said output voltage, a failure detection element configured to detect a failure of the converter if: said maximum value is greater than or equal to the upper voltage limit, or said minimum value is less than or equal to the lower voltage limit.

Abstract: The invention relates to a DC/DC voltage converter comprising an isolated circuit including inductors coupled to one another by a first magnetic circuit that is independent of a second magnetic circuit coupling inductors to one another, and wherein: —a first side of the electrically isolating barrier includes an electrical branch comprising an inductor that is coupled to the first magnetic circuit and is electrically connected in series with an inductor that is coupled to the second magnetic circuit; and —a second side of the electrically isolating barrier includes a first inductor that is coupled to the first magnetic circuit and a second inductor that is coupled to the second magnetic circuit; the second side of the electrically isolating barrier further comprising a third inductor and a fourth inductor, said third and fourth inductors of the second side being coupled by a respective magnetic circuit to at least one respective inductor that is located on the first side of the isolating barrier.

Abstract: The invention concerns a method for charging an electrical energy storage unit, in particular installed in a vehicle, from a continuous charging terminal, using a DC/DC voltage converter to adapt the voltage between said continuous charging terminal and said electrical energy storage unit, said DC/DC voltage converter comprising at least two interleaved cells operating out of phase, each cell having respective switches; said method comprising control of the switches of said DC/DC voltage converter by pulse width modulation with a duty cycle to adapt the voltage between said continuous charging terminal and the electrical energy storage unit, said duty cycle having a given value ?v that is substantially constant over several interleaving cycles.

Abstract: The purpose of the present invention is an electrical system allowing conversion of a direct voltage into another direct voltage, including: a resonant DC-DC converter including an LLC converter circuit, a control unit including: a first module for determining the rms resonance current value from a measurement of the output current, a second module for determining a maximum value of the voltage at the terminals of each resonance capacitor and a minimum value of the voltage at the terminals of each resonance capacitor using rms resonance current value, a comparison module, a disconnection element configured to stop operation of the resonant DC-DC converter in the event of an overload.

Abstract: The present invention pertains to an electrical system, in particular designed to be installed on board an electric or hybrid vehicle, whereby said electrical system includes an AC-to-DC converter that includes a rectifier and a DC-to-DC converter, an isolated DC-to-DC converter connected to a high voltage battery, and whereby said electrical system is configured, in a first operating mode, to be connected to an external alternating electricity grid to charge the high voltage battery. Furthermore, the first interface terminals of the DC-to-DC converter are connected to a low voltage battery, whereby said electrical system is configured so that, in a second operating mode, when the electrical system is disconnected from the external alternating electricity grid, said DC-to-DC converter supplies an initial voltage from the high voltage battery to power the low voltage battery.

Abstract: The invention relates to a capacitive block, notably for an electrical equipment, comprising a case, a capacitive element housed in the case, a substance filling the space between the case and the capacitive element so as to ensure leak tightness of the capacitive element, a heat sink against which the capacitive element is in direct contact. In the capacitive block, the heat sink is different from the filling substance, a face of said heat sink, designated free face, forming an outer face of the capacitive block and being devoid of said filling substance.

Abstract: The invention relates to an isolated DC/DC converter (1) comprising: —a first branch (A) comprising series-connected switches (MA1, MA2), the first branch (A) being connected to the input of the converter; —a second branch (B) comprising series-connected switches (MB1, MB2); —an inductance (L2) connected between the midpoints of the first and the second branch (B); —a capacitor connected across the end terminals of the second branch (B); —a third branch (C) comprising a magnetic component and connected to the midpoint of the second branch (B); wherein a series of opening and shutting actions of the switches (MA 1, MA2, MB1, MB2) converts an input voltage (Ue) into an output voltage (Uout) by means of the magnetic component.

Abstract: The invention pertains to an electrical connection bar configured to electrically connect a first electrical equipment and a second electrical equipment, notably in a vehicle, the electrical connection bar comprising an electrical connection module configured so as to supply the first electrical equipment with an electrical energy controlled by the second electrical equipment. The electrical connection bar further comprises a transmission module configured to transmit into the second electrical equipment an electrical signal representative of a physical property of the first electrical equipment, the transmission module being integrated with the electrical connection module.

Abstract: The present invention relates to a control device (1) for at least one transistor, referred to as the controlled transistor (3), comprising:—said controlled transistor (3) which comprises a control electrode (Ec) and two other electrodes (E1 and E2),—a main control circuit (5) connected to the control electrode (Ec) of the controlled transistor (3) and configured, according to a main mode of operation, to control the state of the controlled transistor (3) and,—an auxiliary control circuit (11) configured, according to an auxiliary mode of operation, to inject an auxiliary current opposing the current circulating between the main control circuit (5) and the control electrode (Ec) of the controlled transistor (3), characterized in that the control device (1) also comprises a control circuit (15) of the auxiliary control circuit (11), said control circuit (15) being configured to block or authorize the auxiliary operation of the auxiliary control circuit (11) depending on the commands from the main control circu

Abstract: The invention relates to a casing element of a first equipment, said casing element being configured to house at least one electrical conductor configured to receive an electric current, said casing element being notable in that it comprises a pair of slots provided in a wall of the casing element, the pair of slots comprising a slot on either side of a reception area configured to house said electrical conductor, and said pair of slots being provided to allow the insertion of a part with a U-shaped section, comprising a base and two arms parallel to one another and orthogonal to the base, said arms being configured to be inserted in said slots on either side of said reception area, so that the part is able to guide a magnetic flux generated by an electric current circulating in said electrical conductor.

Abstract: The invention relates to an assembly of two housings, a first housing comprising a first cooling circuit portion and a second housing comprising a second cooling circuit portion, said of this cooling circuit portions being configured to form a cooling circuit with a fluid, each housing comprising a flat face comprising an opening of a respective cooling circuit portion and defining an interface of said cooling circuit, said cooling circuit portions being configured to be fluidically connected by plane-plane contact between said flat faces, said openings being arranged substantially opposite each other.

Abstract: The present invention has for object a method for estimating the angular position of a rotor in relation to a stator in a rotary electric machine, such as an electric machine of an electric or hybrid motorization system, comprising: estimating the angular position and/or of the rotation speed of the rotor by a method of injecting high frequency signals as long as the absolute value of the rotation speed of the rotor, derived from said angular position, is less than a first predefined threshold; estimating the angular position and/or of the rotation speed of the rotor by a model coming from a learning method as long as the absolute value of the rotation speed of the rotor, derived from said angular position, is greater than a second predefined threshold.

Abstract: The present invention pertains to an electrical system, in particular designed to be installed on board an electric or hybrid vehicle, whereby said electrical system includes an AC-to-DC converter that includes a rectifier and a DC-to-DC converter, an isolated DC-to-DC converter connected to a high voltage battery, and whereby said electrical system is configured, in a first operating mode, to be connected to an external alternating electricity grid to charge the high voltage battery. Furthermore, the first interface terminals of the DC-to-DC converter are connected to a low voltage battery, whereby said electrical system is configured so that, in a second operating mode, when the electrical system is disconnected from the external alternating electricity grid, said DC-to-DC converter supplies an initial voltage from the high voltage battery to power the low voltage battery.

Abstract: An electric system to charge a battery on a vehicle provides for a three-phase alternating-direct converter comprising input terminals connected to an outside power grid, a high output terminal and a low output terminal, a direct-direct converter made up of two direct-direct converter circuits, a first converter circuit having a high input terminal connected to the high output terminal of the alternating-direct converter and a second converter circuit having a low input terminal connected to the low output terminal of the alternating-direct converter, the low input terminal of the first direct-direct converter circuit being connected to the high input terminal of the second direct-direct converter circuit, and the high output terminal of the first converter circuit being connected to the high output terminal of the second converter circuit and the low output terminal of the first converter circuit being connected to the low output terminal of the second converter circuit.