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Patent Searching and Data


Matches 101 - 150 out of 33,306

Document Document Title
WO/2020/030262A1
The invention relates to an arrangement having a bypass switch (S1_1) for a module (1_1) of a modular multi-level converter (1), which bypass switch (S1_1) can be driven by a propellant (T1_1). Furthermore, the arrangement has an electri...  
WO/2020/033325A1
Shielded electrical transformers and power converters using those transformers are disclosed. In some implementations, a shielded electrical transformer includes a magnetic core, a primary winding, a first secondary winding, and a second...  
WO/2020/031111A1
A power converter is provided. The power converter includes two or more hybrid switching circuits electrically connected to a source or storage element. Each switching circuit includes a wide bandgap device that is parallel-connected to ...  
WO/2020/031553A1
This control circuit controls the driving of a MOSFET (350) equipped with a wide-gap semiconductor. The control circuit has an off-circuit (507) for discharging a charge stored in the gate electrode (350c) of the MOSFET to a reference vo...  
WO/2020/029312A1
A phase shift control method for a charging circuit, comprising a primary-side conversion circuit, a first secondary-side conversion circuit and a second secondary-side conversion circuit; the controller controls the wave generation of a...  
WO/2020/031552A1
Provided is a drive circuit for controlling the driving of a plurality of switches to be controlled (340, 350) connected in parallel between a first connection point and a second connection point. The drive circuit has: a plurality of fi...  
WO/2020/027429A1
The present invention relates to an induction heating cooker comprising: a cooking table including a plurality of cooking areas, each of which allows a cooking container to be stably placed thereon; a plurality of coils disposed under th...  
WO/2020/026640A1
The inductor of the disclosure comprises: a core having at least a first through hole and a second through hole penetrating in the same direction; a first conductor through which a first current passes, the first conductor having a porti...  
WO/2020/024064A1
Herein provided is a controller for a current inverter. The controller comprises a reference generator configured for obtaining source voltage and current values from an electrical source, generating a voltage error function based on sou...  
WO/2020/028144A1
Methods and apparatus to provide an adaptive gate driver (108) for switching devices are disclosed. An example apparatus includes an electrical switch (106) to drive an electrical system (100), a condition characterizer (118) to select a...  
WO/2020/025470A1
A dual-switch flyback converter in which the output current, in operating regions where a constant output current is required, can be regulated from the primary side. The output current is regulated constantly regardless of the input and...  
WO/2020/027891A1
A method includes operating a power converter (100, 200, 300, 400) in a first mode of operation, where the power converter includes multiple first switches (106a-106f, 206a-206f, 306a-306r, 407b) and multiple boost diodes (108a-108f, 208...  
WO/2020/025164A1
The invention relates to a method for operating a drive system, and to a drive system, comprising a rectifier, at least one inverter having an electric motor, wherein the electric motor is connected to the AC-voltage side of the inverter...  
WO/2020/027374A1
The present invention relates to a single-phase isolated SEPIC converter for power factor correction that can obtain a DC power supply isolated from an AC power supply by means of a single power conversion. In order to address the above ...  
WO/2020/027854A1
An electronics (100) configured to determine an input voltage to a galvanic isolation point of the electronics (100) is provided. The electronics (100) comprises an isolation transformer (120) configured to conduct a primary current (Ip)...  
WO/2020/025267A1
DC/DC converter (1), having: - a first connection pole (U1+) and a second connection pole (U1-), wherein a first DC voltage (U1) is applied between the first connection pole (U1+) and the second connection pole (U1-), - a third connectio...  
WO/2020/026618A1
Provided is an electric current detecting device that collectively detects the electric currents of a plurality of semiconductor devices (power semiconductor devices) using the inductance of the wiring when the plurality of semiconductor...  
WO/2020/025221A1
The invention relates to a diagnostic method for verifying the functionality of electromechanical loads in electrical circuits having a flexible or dynamic current profile in as simple and reliable a manner as possible. One embodiment of...  
WO/2020/026462A1
A power conversion device (90) is provided with a circuit substrate (31) on which wiring (33, 34, 35) is formed and a plurality of semiconductor switching elements (1a, 1b) are mounted, and a driver circuit (2a) that is mounted on the ci...  
WO/2020/025220A1
Semiconductor modules (200) are used to control drive motors, such as the electric motors in electric vehicles. IGBT modules are one type of such semiconductor modules (200). During operation, heat is lost from the power transistors (210...  
WO/2020/025585A1
An inverter (1) having a DC/DC converter (4), which converts a direct voltage received from a direct-voltage source (3) into a DC link voltage of a DC link (5), a DC/AC converter (6), which converts the DC link voltage into an alternatin...  
WO/2020/020635A1
The invention relates to a circuit assembly (1) for intermediate circuit balancing of an intermediate circuit voltage UZK of a DC intermediate circuit fed by an alternating mains voltage UN for supplying a voltage to one or more devices,...  
WO/2020/020685A1
The invention relates to a DC-to-DC converter (1) for producing a multi-phase primary alternating voltage from an input direct voltage (Uin), transforming the primary alternating voltage into a secondary alternating voltage having a tran...  
WO/2020/020974A1
The invention relates to a vehicle-side charging circuit having an AC voltage interface (AC), a rectifier (PFC) connected thereto, at least a first and a second DC voltage converter (W1, W2) and an on-board power supply connection (AN). ...  
WO/2020/023471A1
A soft-switching solid-state power transformer, including: a high-frequency (HF) transformer comprising first and second winding connections; a first auxiliary resonant circuit coupled to the first winding connection, the first auxiliary...  
WO/2020/021020A1
An active clamp flyback, ACF, converter (600; 610; 700; 710; 720; 900; 1020) comprises a switchable clamp circuit (Lk, S2, Cclamp; Lk,p, S2, Cclamp) arranged on an input side of the ACF converter, and a tank capacitor (Cclamp; Cout) conf...  
WO/2020/023425A1
A system includes a two-conductor loop in which the loop current or current signal is controlled by a loop current controller to be proportional to a signal output from a sensor. The system further includes energy harvesting circuity in ...  
WO/2020/023765A1
To improve switching conditions in a closed loop system, an example device includes a first switch (508) adapted to be coupled to a first node (528), a second switch (510) adapted to be coupled to a second node (526), and a capacitor (50...  
WO/2020/020719A1
Inverter-based apparatus (1) configured to control an electric motor (2), the inverter-based apparatus comprising: an input stage (4) configured to convert an alternating voltage AC to a rectified DC voltage; an electrolytic-capacitor-le...  
WO/2020/022117A1
The purpose of the present disclosure is to reduce the likelihood that the power supplied from a power source is insufficient. A load control system (1) according to the present disclosure is equipped with a switch (10), a control unit, ...  
WO/2020/020610A1
An electronic control system (9) of a frequency converter (4) repeatedly receives one nominal base value (B*) at a time for the operation of an electrical machine (5) supplied with electrical energy by means of the frequency converter (4...  
WO/2020/021757A1
A drive circuit controls a first switch element. A first resistor is connected to the drive circuit and the first switch element. A second switch element is connected to the first switch element. An overcurrent detection circuit controls...  
WO/2020/021669A1
This invention is provided with: a booster unit (110) having a plurality of stages (120) connected in parallel, the booster unit (110) boosting a voltage from a power supply (101); and a smoothing unit (130) for smoothing the boosted vol...  
WO/2020/021005A1
Laundry treating machine (100) comprising: a casing (103), a laundry drum (104) mounted inside the casing (103) to rotate about a rotation axis, an electric motor (2) designed to rotate the laundry drum (104), an inverter-based apparatus...  
WO/2020/020875A1
The present invention relates to safe operation of a wireless power transmission system. A mobile side circuit of a wireless power transmission system comprises a mobile side resonant circuit (26) inductively coupled to a stationary side...  
WO/2020/020631A1
The invention relates to a method for reducing the electromagnetic disturbances generated during the switching, into a conducting state, of a transistor for switching a quasi-resonant DC-DC voltage converter. The method comprises the ste...  
WO/2020/022706A1
The present invention relates to a power conversion device and a vehicle having same. The power conversion device, according to one embodiment of the present invention, comprises: a direct-current power supply unit for outputting direct-...  
WO/2020/016140A1
The present invention relates to a method for controlling switching of an electrical system comprising at least one frequency-controlled switch arm, said method comprising the following steps: closing a first top or bottom switch (Q1, Q2...  
WO/2020/015820A1
The invention relates to a method for generating an activating signal (A) for a direct current circuit breaker (22), which is arranged between a high-voltage direct current source (11) and a high-voltage direct current transmission line ...  
WO/2020/015953A1
The invention relates to a method (4) for controlling the input voltage frequency of a DC-DC converter comprising: - a prior step of defining a setpoint voltage value (Vdc req); and - a step (40) of computing a control frequency value (f...  
WO/2020/017368A1
This noise filter is provided with: a first conductive wire which is a first conductive wire extending between an input end portion and an output end portion and which includes an input-side conductive wire extending between the input en...  
WO/2020/017169A1
Provided is a power module which has a built-in drive circuit, and suppresses a parasitic oscillation of a gate voltage when switching elements are turned-off by a current beyond a rated current value and flowing through the switching el...  
WO/2020/017506A1
A current pathway to a gate (203) is shut off by a normally-OFF type first switch element (50) until activation of a gate drive voltage generation unit (10) is detected. Further, a semiconductor switching element (200) is kept in an OFF-...  
WO/2020/016960A1
The high-frequency current compensator according to the present invention is provided with an electric power converter having at least one pair of arms each equipped with a switching element, and drives the switching elements so as to su...  
WO/2020/018760A1
A current pulse generator circuit configured to be monolithically integrated into a single semiconductor die and provide high pulsing frequencies. A first GaN FET transistor controls the charging of a capacitor in a boost converter. A se...  
WO/2020/015391A1
A control method for improving the output precision of a switching power supply, the control method being based on a control system composed of a sampling module, a precision control module, an error calculation module, a PID module and ...  
WO/2020/015823A1
The invention relates to a method for operating a controllable electrical device (2) which is connected by means of a data link (4) to a controller (3) for controlling the electrical device (2), the electrical device being designed to ex...  
WO/2020/011095A1
The present application provides a control circuit applied to a power adapter, a power adapter, and a chip, and is capable of reducing power consumption. The control circuit comprises a voltage conversion unit and a switch control unit; ...  
WO/2020/012511A1
A system is described for converting direct current electric energy into alternate current electric energy comprising three switching branches and a modulating circuit (11) of voltage and current intensity comprising a capacitor (Cs) for...  
WO/2020/011827A1
The invention relates to a control unit for providing a variable output voltage (Uout) at the output of a resonantly switching bridge circuit. The bridge circuit comprises a first and a second half bridge (10, 20), each having two contro...  

Matches 101 - 150 out of 33,306