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Patent Searching and Data


Matches 401 - 450 out of 33,042

Document Document Title
WO/2019/083924A1
A circuit arrangement for switched boundary mode power conversion, a corresponding signal processor and a method of switched boundary mode power conversion are provided. The circuit arrangement comprises an input for receiving an input v...  
WO/2019/084114A1
A circuit arrangement for switched mode power conversion is disclosed, which circuit arrangement comprises at least an input for receiving an input voltage from a power supply, an output to provide an output voltage to a load, an energy ...  
WO/2019/082363A1
A power conversion device equipped with a power module 10 which contains a switching element, and a metal case for housing a power module 10 within a plurality of case surfaces, wherein: a perforated metal structure is provided in the ra...  
WO/2019/076874A1
The present invention relates to a DC-DC converter assembly which comprises a DC-DC converter. A converter load is electrically connected between a positive input and a positive output of the DC-DC converter such that a DC input voltage ...  
WO/2019/076704A1
The present invention provides an AC/DC converter comprises an input for receiving a rectified AC input signal (Vin), an output for providing a controlled output signal (Vout) to a load (7), a switched mode power converter for transformi...  
WO/2019/077059A1
The invention relates to a method for determining an error voltage of a current converter to which a load, in particular in the form of a three-phase machine such as an asynchronous machine, is connected, is determined and if necessary c...  
WO/2019/075836A1
A non-isolated three-phase PFC converter and a control method therefor. The converter comprises a switch unit, a rectification unit and an energy storage flyback unit. The switch unit comprises three switch groups (Q1Q2, Q3Q4, Q5Q6); the...  
WO/2019/078013A1
The present invention sufficiently reduces the switching loss of a power conversion device. A DC-DC converter 100 has: a switching circuit 10 that converts inputted first direct current power into alternating current power; a transformer...  
WO/2019/078425A1
According to an exemplary embodiment of the present disclosure, provided are: a regulator circuit for generating at least one positive supply voltage from at least a portion of a light-emitting diode (LED) driving current having passed t...  
WO/2019/075619A1
A drive circuit for maintaining voltage balance of MOS transistors in an intermediate frequency plasma power supply, comprising a pulse transformation module and pulse isolation transformer driving modules; an input voltage is transforme...  
WO/2019/076481A1
The present invention relates to a method for controlling a power electronics system (200), in which method the power electronics system (200) comprises at least two power semiconductor switches (243, 244) and is controlled by a first co...  
WO/2019/079148A1
Systems and methods to reduce magnetic flux in a switched mode power supply are disclosed. An example welding-type power supply includes a switched mode power supply, including a transformer configured to transform an input voltage to a ...  
WO/2019/076643A1
The present invention discloses an operating device (2) for electrically power at least one building technology device (10), in particular a illuminant section having at least one illuminant, wherein the operating device (2) comprises an...  
WO/2019/077895A1
Recently, improvement in the detection precision of overcurrent has been desired. An overcurrent detection device is provided that comprises: a gate current detection unit that detects whether a gate current flowing to a semiconductor el...  
WO/2019/074595A1
Certain aspects of the present disclosure generally relate to methods and apparatus for powering up a charge pump converter and providing protection and softstart circuitry therefor. One example charge pump converter generally includes a...  
WO/2019/072682A1
This device (34) for charging an electrical accumulator battery (32) comprises a filtering stage (6) which is intended to be connected to the electrical network (4), a voltage decrease stage (18) which is connected to the filtering stage...  
WO/2019/075379A1
Electronic circuitry and method of operating the same to shape and reduce the circulating current through the active clamp in a flyback converter and to harvest most of the leakage inductance energy to provide the bias power. Methodologi...  
WO/2019/072561A1
The invention relates to a method for temporally determining switching operations at electrical switches (T1, …, Tn) in an H-bridge switch on a secondary side (2) of a device for inductively transmitting power (E), the device for induc...  
WO/2019/072709A1
Electrical systems of submarines have different requirements in terms of electrical voltages for operation. In order to ensure the supply of electrical energy, the energy must be regulated between different voltage levels. The aim of the...  
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.  

Matches 401 - 450 out of 33,042