Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 901 - 950 out of 33,993

Document Document Title
WO/2019/072936A1
The invention relates to a DC-DC converter with an electric coil which is connected to a DC voltage source and subsequently or additionally to an output segment in an alternating manner by means of electronic switches. The aim of the inv...  
WO/2019/074362A1
A device for compensating a leakage current comprises a common mode coil comprising a first plurality of windings (1) and a first common mode transformer comprising a second plurality of windings (2) and a further winding (5). The device...  
WO/2019/074597A1
A controller (100) may include a memory having computer- readable instructions stored therein; and a processor configured to execute the computer-readable instructions to generate Pulse Width Modulation (PWM) signals to control power swi...  
WO/2019/072593A1
The invention relates to a circuit arrangement comprising a microcontroller (MC'), which has a first analog-digital converter (ADC1), the input of which is connected to the output of a first multiplexer (MUX1) having n inputs, and the ou...  
WO/2019/073353A1
Apparatus (22, 90) for controlling DC voltage on a bus (26) includes a switched power converter (32), including a pair of terminals (31) for connection between the bus and a ground (28), a buffering capacitor (48), and switching circuitr...  
WO/2019/069489A1
The present invention obtains a power conversion circuit for obtaining a power conversion device in which charging/discharging of a parasitic capacitance by high-frequency switching is suppressed to reduce the loss of a semiconductor swi...  
WO/2019/070384A1
Certain aspects of the present disclosure relate to methods and apparatus for Multiple Input Single Inductor Multiple Output (MISIMO) power conversion for power management circuits. Certain aspects provide a method for controlling a powe...  
WO/2019/069647A1
In the present invention, among body diodes (DH, DL) of upper and lower arm switches (SWH, SWL), the diode to which reflux current flows during dead-time is defined as the target diode, the switch having this target diode among the upper...  
WO/2019/069375A1
The present invention is a switching element driving circuit (8) provided with: a determination power supply unit (3) that turns on a connected switching element (2) the drive type of which is unknown, by applying voltage of a set voltag...  
WO/2019/065472A1
A power supply apparatus includes a rectifier configured to convert AC power supplied from an AC power supply into DC power, a smoothing unit configured to smooth the DC power, an inverter configured to convert the DC power smoothed by t...  
WO/2019/064831A1
The objective of the invention is to prevent a drop in reliability due to detachment of an insulation layer from another member in a power semiconductor device. This power semiconductor device comprises a power semiconductor element, a c...  
WO/2019/064874A1
The present invention suppresses a size increase of a control signal substrate, while suppressing current unbalance of control signals to be transmitted to power semiconductors. A power conversion device relating to the present invention...  
WO/2019/067611A1
A pulse width modulation (PWM) interleaving system is provided. The PWM interleaving system includes active harmonic filters (AHFs). The AHFs are disposed in parallel with each other and with a load. The AHFs are electrically coupled to ...  
WO/2019/067881A1
A device includes an input converter, an output converter, and a controller. The input converter is electrically coupled to an electrical meter and an energy production array. The output converter is electrically coupled to the energy pr...  
WO/2019/063214A1
The invention relates to a power converter (1) having a rectifier (12), a DC link (21) with at least one DC link capacitor (14), and an auxiliary power supply (30). To improve the precharging, the invention proposes that the auxiliary po...  
WO/2019/063211A1
The invention relates to a resonant DC-DC converter comprising an inverter circuit (2), a rectifier circuit (3) and a transformer unit (4), wherein the inverter circuit (2) is connected to a first terminal of the transformer unit (4) and...  
WO/2019/066929A1
Voltage dividing circuitry is provided for use in a voltage converter for converting at least one input Direct Current, DC voltage to a plurality of output DC voltages. The voltage dividing circuitry including a voltage input port to rec...  
WO/2019/062262A1
A solid state relay comprises a DC input positive terminal (Vin+), a DC input negative terminal (Vin-), a DC output positive terminal (Vout+), a DC output negative terminal (Vout-), a control end positive terminal (K+), a control end neg...  
WO/2019/065173A1
This power module is provided with: a first switching element; a current-voltage conversion circuit, into which a current outputted from the first switching element flows; a measuring circuit that measures the magnitude of the current; a...  
WO/2019/060104A1
Apparatuses and methods are provided for restoring flux in a startup of an uninterruptible power supply device. The uninterruptible power supply device passes voltage to loads while offline. Upon occurrence of a utility disturbance, the ...  
WO/2019/059487A1
The present invention relates to an energy storage system. An energy storage system according to an embodiment of the present invention relates to an energy storage system for managing a grid and power of a direct current (DC) power dist...  
WO/2019/057245A1
The invention relates to a series resonant power-converting device for electrochemical stored energy sources, comprising a series resonant unit containing a resonant inductor and a resonant capacitor arranged in series with said resonant...  
WO/2019/058545A1
A switching element control circuit 100 according to the present invention is characterized by being provided with: a third electrode voltage control unit 10; a temperature detection unit 20; a first electrode current detection unit 30; ...  
WO/2019/057771A1
The invention relates to a converter for transmitting electrical energy between a direct current voltage (DC) system and an alternating current voltage system, comprising a positive DC input voltage rail (1) and a negative DC input volta...  
WO/2019/056178A1
The present invention discloses a servo drive switch power supply and a servo drive. The switch power supply comprises: an input rectifying and filtering circuit, an integrated monolithic power circuit, a primary transformer winding, a s...  
WO/2019/057210A1
Provided are a power supply applied to multiple paths of loads, an integrated power supply and an illumination lamp. The power supply comprises a first connector, at least one isolated power supply and at least one non-isolated power sup...  
WO/2019/059292A1
The present invention reduces the amplitude of current ripple on the primary side of a power supply device using a plurality of transformers. A driving power supply device (7) supplies power to a plurality of drive circuits (2) for separ...  
WO/2019/057203A1
A power supply system (100) includes a front-end stage (102), a boost apparatus (104) and a power conversion stage (106). A method comprises detecting a voltage across a bulk capacitor of a power supply system, wherein the power supply s...  
WO/2019/056113A1
A lighting system has a power source formed by a solar panel and a battery assembly, a lighting assembly having a plurality of lighting devices arranged into a plurality of lighting groups, the light assembly having a predetermined maxim...  
WO/2019/058544A1
A switching element control circuit 100 according to the present invention is characterized by being provided with: a third electrode voltage control unit 10 that controls a third electrode voltage; a first electrode current detection un...  
WO/2019/060252A1
A triac dimmer switch has an LC filter between the load output and the incoming AC supply, in order to protect the load against fluctuations in the incoming AC.  
WO/2019/058490A1
A switching element control circuit 100 according to the present invention is characterized by being provided with: a third electrode voltage control unit 10 that controls a third electrode voltage; a temperature detection unit 20 that d...  
WO/2019/057736A1
The invention relates to a wind turbine (100) for generating electric power for feeding into an electric supply grid, comprising a multiphase generator (200), in particular a synchronous generator, for generating electric power. The gene...  
WO/2019/056811A1
Provided in the present application are a frequency modulation device for improving power factor correction (PFC) efficiency, comprising: a switch power supply power level, wherein an input end I of the switch power supply power level in...  
WO/2019/053160A1
The invention relates to a method for charging an electric energy store (10) of a motor vehicle with electric energy from a vehicle-external charging station (14), in which the charging station (14) provides single-phase alternating elec...  
WO/2019/055891A1
A method may include monitoring a current through a power inductor of a boost converter and detecting when a mathematical integral of a difference between the current as monitored and a desired average current for the power inductor is e...  
WO/2019/052013A1
Disclosed is an intelligent optical alignment drive system and a drive method therefor. The intelligent optical alignment drive system comprises a mains power supply module (21), a pressure stabilization system (22), a UPS/PC module (23)...  
WO/2019/051917A1
Disclosed is a drive device (20) for a power switch tube. The drive device comprises: a voltage providing module for providing a voltage required by a power switch tube (30); a drive signal isolation module (203) for providing an isolate...  
WO/2019/052804A1
The invention relates to a converter assembly for intermediate circuit coupling in drive networks. The circuit assembly comprises at least a first converter and at least a second converter, wherein the converters each have an intermediat...  
WO/2019/054585A1
A device for controlling thyristor firing by using a three-phase voltage ratio according to an embodiment of the present invention may comprise: a three-phase ratio waveform generator for generating a ratio waveform by calculating ratios...  
WO/2019/054078A1
Provided are a power module, reverse-conducting IGBT and drive circuit with which it is possible to improve the control properties of the reverse-conducting IGBT. The power module 1 comprises a power semiconductor chip 3 constituted by f...  
WO/2019/051906A1
An overcurrent protection circuit, comprising N left overcurrent protection sub-modules (11, 12, …, 1N) and N right overcurrent protection sub-modules (21, 22, …, 2N), applicable to a GOA circuit having a dual-drive function. Each le...  
WO/2019/052880A1
The present invention relates to a DC-DC converter (10), comprising a first DC port (10A) connectable to a DC source (B), a second DC port (10B) with a positive terminal (PT), a midpoint terminal (MT) and a negative terminal (NT) connect...  
WO/2019/053417A1
A half bridge DC-DC converter device (200) is provided. The converter device (200) includes a primary circuit (201) and a secondary circuit (202), which include separate windings (PRI201, FB201, FB202, SEC201) that are disposed around a ...  
WO/2019/054051A1
A gate driving circuit (100) for controlling a switching element (1) is provided with: a rise switch (11) located between a gate voltage source (5) and an output terminal (102); a fall switch (12) located between the output terminal (102...  
WO/2019/049698A1
This power conversion device is provided with first and second semiconductor switch elements, an output unit, and a signal processing unit. The first semiconductor switch element includes a first switch portion which is connected in seri...  
WO/2019/048806A1
The invention relates to a voltage converter (200) on board a motor vehicle, for converting a first voltage into a second voltage different from the first voltage, comprising: - a plurality of cells (C), each comprising an arm of transis...  
WO/2019/049679A1
An output current synthesizer that synthesizes output currents output from a plurality of power inverter circuits converting direct current power to alternating current power and outputs the synthesized output currents as synthesized cur...  
WO/2019/046969A1
A continuous power distribution circuit board containing: i) A printed circuit board; ii) A universal power node; iii) At least one channel on the printed circuit board for passage of current, signal and combinations thereof throughout t...  
WO/2019/048475A1
The present application provides a floating voltage processing circuit for a multipath MPPT photovoltaic inverter. The circuit includes: a comparator unit including a comparator, a first divider resistor and a second divider resistor, he...  

Matches 901 - 950 out of 33,993