Abstract: Electrical energy converter and associated system for converting electrical energy The invention relates to an electrical energy converter including an inverter (10) for obtaining alternative electrical energy from a DC electrical energy source. The inverter includes a switch (52) having first and second conduction terminals for receiving an AC voltage, the electrical energy converter being suitable for supplying an output electrical energy to a load (8). Said converter includes a capacitive circuit (14) with variable and controllable capacitance, connected between the inverter (10) and the load (8), the control of a modification of said capacitance making it possible to obtain a modification of an electrical output parameter of the converter.

Abstract: The present invention concerns a power converter including: a capacitor (CBUS) having first and second electrodes respectively coupled to first (E1) and second (E2) input terminals via a current-limiting element (R1, L1); at least one normally-on transistor (K1, K2, K3, K4, K5, K6); a circuit (170) for powering a circuit (CMD_K1, CMD_K2) 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 (170) respectively to the first (E1) and second (E2) input terminals of the converter, upstream of the current-limiting element (R1, l1) and, in a second configuration, connect the first (g) and second (h) input terminals of the power supply circuit (170) respectively to the first and second electrodes of the capacitor, downstream of the current-limiting element (R1, L1).

Abstract: The present description concerns a power converter (400) comprising: a switch (114) comprising first (114d) and second (114s) conduction terminals intended to receive a first AC voltage (Vds), a first circuit (402) for detecting a minimum value reached by the first voltage at each halfwave, and for averaging minimum values over a plurality of halfwaves, and a second circuit (404) for controlling the switch configured, according to the average of said values, to turn on the switch when the first voltage is substantially null.

Abstract: 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.

Abstract: The present invention concerns a power converter including: a capacitor (CBUS) having first and second electrodes respectively coupled to first (E1) and second (E2) input terminals via a current-limiting element (R1, L1); at least one normally-on transistor (K1, K2, K3, K4, K5, K6); a circuit (170) for powering a circuit (CMD_K1, CMD_K2) 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 (170) respectively to the first (E1) and second (E2) input terminals of the converter, upstream of the current-limiting element (R1, l1) and, in a second configuration, connect the first (g) and second (h) input terminals of the power supply circuit (170) respectively to the first and second electrodes of the capacitor, downstream of the current-limiting element (R1, L1).

Abstract: An electronic device including: a discrete transistor including a semiconductor chip encapsulated in a package made of an insulating material leaving access to a first pad of connection to a first conduction terminal of the transistor; and a printed circuit board (320) including first (125) and second (129) separate connection pads, wherein the transistor is assembled on the printed circuit board so that the first connection pad (105) of the transistor is in contact with the first (125) and second (129) connection pads of the printed circuit board.

Abstract: The invention concerns a discrete electronic component including: a semiconductor chip including a transistor, the chip including a first metallization of connection to a first conduction region of the transistor; and a printed circuit board including first and second separate connection pads, wherein: the chip is assembled on the printed circuit board so that the first metallization of the chip is in contact with the first and second connection pads of the printed circuit board; and the assembly including the semiconductor chip and the printed circuit board is encapsulated in a package made of an insulating material leaving access to first and second connection terminals of the component connected, inside of the package, respectively to the first and second connection pads of the printed circuit board.

Abstract: 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.

Abstract: A switch including: first and second electrically conductive electrodes; an electrically conductive element; an electrically insulating medium separating the first and second electrodes and separating the electrically conductive element from the second electrode; and a pyrotechnic element including an explosive, explosion of the explosive causing the electrically conductive element to be driven into contact with the second electrode and the conductive element to be welded to the second electrode to form an electrically conductive link between the first and second electrodes.

Abstract: An electronic device including: a discrete transistor including a semiconductor chip encapsulated in a package made of an insulating material leaving access to a first pad of connection to a first conduction terminal of the transistor; and a printed circuit board (320) including first (125) and second (129) separate connection pads, wherein the transistor is assembled on the printed circuit board so that the first connection pad (105) of the transistor is in contact with the first (125) and second (129) connection pads of the printed circuit board.

Abstract: The invention concerns a discrete electronic component including: a semiconductor chip including a transistor, the chip including a first metallization of connection to a first conduction region of the transistor; and a printed circuit board including first and second separate connection pads, wherein: the chip is assembled on the printed circuit board so that the first metallization of the chip is in contact with the first and second connection pads of the printed circuit board; and the assembly including the semiconductor chip and the printed circuit board is encapsulated in a package made of an insulating material leaving access to first and second connection terminals of the component connected, inside of the package, respectively to the first and second connection pads of the printed circuit board.

Abstract: A storage battery, including: first and second stages connected electrically in series, each stage including at least first, second, and third batteries connected electrically in parallel; at least first and second breakers by which the batteries of the first stage are connected in parallel and by which the batteries of the second stage are connected in parallel, each one of the breakers including: first and second electrodes; a fuse including a conducting link connected in series between the first and second electrodes and a fusible portion; an explosive, with a heat bridge between the fuse and the explosive causing the conducting link to open, the explosive having an explosion initiation temperature that is lower than the melting point of the fusible portion.

Abstract: A method for estimating insulation resistance between a terminal of a battery and an electrical ground, including: connecting a measuring circuit to one terminal of the battery, the measuring circuit including a resistance of known value and a capacitance; application of a known input signal having an input voltage; measurement of an output voltage between the ground and a point located between the resistance of known value and the capacitance; determination of a complex impedance of a dipole of the capacitance and the insulation resistance or determination of parameters of a differential equation; and determination of the insulation resistance from the parameters of the differential equation or the complex impedance.

Abstract: A DC voltage power source, comprising: first electrochemical cells electrically connected in series; a DC/DC converter, the output of the converter being connected in series with said first electrochemical cells, a secondary DC voltage source applying its potential difference to the input of the converter.

Abstract: The invention concerns an electrical system that comprises: —an electrical charge (42, 43); —a decoupling capacitor (41); —a DC voltage power supply system, comprising first and second terminals (321, 322), including: —a DC voltage source (2) comprising first and second poles; —a first branch including a first contactor (51); —a second branch including first and second switches (302, 303) and an inductor (305) connected in series in order to selectively connect the DC voltage source to the first terminal (321) of the power supply system; —a unidirectional conducting device (307, 308, 309) for conduction from the second terminal of the DC power supply system to a connection node (323) between the second switch (303) and said inductor (305); —a control circuit (304) comprising —a mode for supplying electrical load (42, 43); —a mode for charging the decoupling capacitor (41).

Abstract: An electrical apparatus, including: a circuit breaker having a breaking capacity and a breaking current; a DC voltage source including two batteries connected in parallel, connected in series with the circuit breaker, the sum of short-circuit currents of the batteries being greater than the breaking capacity, each battery including: a first branch including storage batteries and a switch connected in series; a second branch connected in parallel with the first branch and including a free-wheeling diode; an ammeter measuring output current; and a control circuit configured to detect a short-circuit. The control circuits simultaneously keep a majority of switches open and close one switch to apply a current passing through the circuit breaker which is higher than the breaking current and lower than the breaking capacity.

Abstract: An accumulator battery, comprising at least: first and second stages electrically connected in series, each stage including at least first to third accumulators electrically connected in parallel. There are at least first and second current limiters via which the first to third accumulators of said first stage are connected in parallel and via which the first to third accumulators of said second stage are connected in parallel.

Abstract: A module for an electrochemical battery including plural accumulators electrically connected together by connection elements, a mechanism for electrical connection of the module with an exterior and a continuous envelope made from a dielectric polymer material that covers exterior surfaces of the accumulators, and connection elements that do not cover the mechanism for electrical connection of the module with the exterior. The continuous envelope is made by soaking to ensure coating of the accumulators and of the one or more connecting elements. The plural accumulators are distributed into plural layers, arranged in relation to each other so that one or more passages are made between the accumulators, wherein the continuous envelope covers a surface of the accumulator or accumulators delimitating the passages between the accumulators.

Abstract: An accumulator battery system includes series-connected accumulators with potentials across stages powering corresponding controllers that measure potential differences between terminals of accumulators. A first analog-to-digital converter encodes the potential measured between terminals of an accumulator. A first output delivers a first digital sequence corresponding to the encoded potential difference, logic levels of which are defined by at least two potentials across the first-stage accumulator terminals. A decoder decodes a potential measured by the first control-device from the first digital sequence. A second analog-to-digital converter selectively encodes a potential difference measured between terminals of a second-stage accumulator of the second stage and two potentials of the digital sequence received on the input.

Abstract: An electrical installation includes a circuit-breaker having a breaking capacity PdC and a tripping current Is, an ammeter measuring the current, and a DC voltage source comprising batteries connected in parallel and connected in series with the circuit-breaker. The sum of the short-circuit currents of the batteries connected in parallel is higher than the breaking capacity PdC of the circuit-breaker. A plurality of the batteries each includes a respective switch capable of opening a connection between the battery of the same and the circuit-breaker. The electrical installation also includes a control circuit to detect that the current passing through the circuit-breaker is higher than the tripping current Is and to control the opening of a plurality of the switches in order to apply, through the circuit-breaker, a current higher than the tripping current Is of the same and lower than the breaking capacity PdC of the same.