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Patent Searching and Data


Matches 651 - 700 out of 32,915

Document Document Title
WO/2018/166501A1
Disclosed in the present application is a driver for lighting means, preferably light emitting diodes, comprising a charge pump circuit, which is improved based on a common first-stage charge pump circuit. A fifth capacitor is added to c...  
WO/2018/169308A1
The present invention relates to a voltage conversion device having an improved inductor current cutoff speed, the device comprising: a current measuring means installed in a path through which an inductor current flows; a threshold curr...  
WO/2018/169520A1
A single-stage transmitter for wireless power transfer is provided. The transmitter includes a rectifier stage and an inverter stage sharing a first phase leg. The rectifier stage further includes a rectifying leg including two diodes co...  
WO/2018/169136A1
The present invention relates to a 3-level bidirectional DC-DC converter comprising: a first voltage part for generating a low voltage; a second voltage part for generating a high voltage that is higher than the low voltage; a 3-level sw...  
WO/2018/162192A1
The invention relates to a method for operating an inverter (130) for a drive system (100). The inverter (130) is designed to electrically couple a direct-current source (110) to a drive device (120) of the drive system (100). The method...  
WO/2018/162133A1
The invention relates to a method for converting an input voltage (UE) into an output voltage (UA), which is increased in comparison with the latter, by means of a number of voltage stages (12, 12a, 12b) that each have a series circuit (...  
WO/2018/163320A1
A main conversion device has a plurality of semiconductor devices (1) connected in parallel with each other. A gate driver (13) supplies a gate voltage to the gates of the semiconductor devices (1). Gate interconnections (14, 16) are eac...  
WO/2018/162488A1
The active compensation circuit (5) for suppressing common-mode interference can be coupled to a power supply system and to an electrical installation, wherein the power supply system and the electrical installation are coupled directly ...  
WO/2018/163559A1
According to the present invention, a charging terminal and a discharging terminal are connected to a conduction control terminal of a semiconductor switch. The present invention is provided with: a charging path that has a charging term...  
WO/2018/162422A1
In the field of line commutated converters, for use in high voltage direct current (HVDC) power transmission, a line commutated converter (10) comprises a plurality of converter limbs (12A, 12B, 12C) that extend between first and second ...  
WO/2018/162859A1
The electrical system (100) includes: - a capacitor (C); - a device supplying electrical energy (102); - a device receiving electrical energy (104); - a current-consuming electrical circuit (108) designed to consume a current (i) input v...  
WO/2018/162819A1
The electric discharge circuit (106) comprises: two interface terminals (BA, BB) to which the capacitor (C) is to be connected and between which a capacitor voltage (uc) is to be present; an electric current consumption circuit (108) con...  
WO/2018/160324A1
A system and method for operating a drive system coupleable to one or more DC and AC electrical ports is disclosed. The drive system includes a DC link, at least one DC- DC converter, at least one DC-AC converter, a DC link capacitor, an...  
WO/2018/158012A1
Half-bridge for power electronic circuits, comprising a series circuit of two power electronic switches and a backup capacitance which is connected in parallel with the series circuit, wherein the backup capacitance comprises a first cap...  
WO/2018/158453A1
A battery charger (10) for a traction vehicle comprises a first conversion stage (14) for receiving an input voltage and for converting the input voltage into an intermediate DC voltage; and a second conversion stage (16) for converting ...  
WO/2018/157413A1
Two or more power converters are connected in parallel to supply power current to a joining node through connecting resistors. An output voltage before the connecting resistor in each power converter is sampled and divided by a sampling ...  
WO/2018/051087A8
A voltage reducing circuit (102) comprises a power switch circuit portion (10) comprising a high-side (128) and low-side (130) field-effect-transistors connected at a switch node (138). The power switch circuit portion has an on-state wh...  
WO/2018/158922A1
Disclosed is a main circuit wiring member for electrically connecting between a direct current power supply source and a semiconductor element module or between semiconductor element modules. The main circuit wiring member is provided wi...  
WO/2018/158294A1
The invention relates to a voltage converter for converting a first direct voltage, which is present on a primary side of the voltage converter, into a second direct voltage, which is present on a secondary side of the voltage converter,...  
WO/2018/155215A1
The present invention simply evaluates radiation noise of a semiconductor device and estimates the radiation noise of an apparatus to which the semiconductor device is mounted. Provided are an evaluation method and an evaluation apparatu...  
WO/2018/154624A1
A power conversion device (100) is equipped with a power module (10) that is provided with: a bridge circuit (11) having first and second switching elements (11a, 11b); a capacitor circuit (12), which is connected in parallel to the brid...  
WO/2018/155321A1
Provided is a control device comprising: an inverter (11); a first drive unit (51); a first boosting unit (61); a second drive unit (52); and a second boosting unit (62). The inverter (11) has a plurality of high-potential switching elem...  
WO/2018/153810A1
The invention relates to a circuit (1) for producing low voltage with voltage switching between a supply voltage (VCC) on a tap (11) for the normal mode and a lower supply voltage (VCC) for a standby mode of an appliance, in which the ci...  
WO/2018/156963A1
A load control device may be configured to turn on lighting loads to obtain a fast turn-on time that may be substantially consistent across lighting loads that have different load voltages. The load control device may comprise a power co...  
WO/2018/155873A1
The purpose of the present disclosure is to protect a power circuit of a base station in a wireless communication system, the base station comprising: at least one module for processing a signal; and the power circuit for supplying power...  
WO/2018/149041A1
A permanent magnet synchronous motor drive system power converter that does not employ an electrolytic capacitor, and a control method thereof. The power converter comprises a single-phase rectifier circuit unit (A) connected to a power ...  
WO/2018/149629A1
In the field of gate drivers there is provided a regulated voltage source (10; 10A, 10B), for a gate driver (200; 300) of a switching device (18) having a gate terminal (26) via which the switching device (18) can at least be turned on. ...  
WO/2018/151469A1
As an embodiment of the present invention, an integrated digital low dropout regulator is provided. The integrated digital low dropout regulator according to an embodiment of the present invention may comprise: a detection unit for detec...  
WO/2018/149550A1
An electronic arrangement with power module, circuit board and cooling body, wherein the power module has a metallic base plate, wherein an insulation layer is arranged on that side of the base plate which faces toward the circuit board,...  
WO/2018/150789A1
A switch circuit provided with: a first switch connected to a first connection point so as to be connected serially between a first electrode terminal of a direct-current power supply and the first connection point; a second switch conne...  
WO/2018/149645A1
There is disclosed a controller (112) for a power electronic network element (110) of a power transmission network (100), wherein the controller (112) is configured to vary a control parameter of the network element (110) which at least ...  
WO/2018/151052A1
[Problem] In order to form an electronic switch for intermittently switching a commercial power supply using a power MOSFET, a drive power, although very small, is required and therefore a conventional circuit configuration has had the d...  
WO/2018/124523A3
The present invention relates to a power supply for a submodule controller of a modular multi-level converter (MMC) for supplying driving power to the submodule controller of the MMC linked with a high voltage direct current (HVDC) syste...  
WO/2018/150737A1
A drive circuit is used for supplying charge/discharge current for driving, for example, the gate of an IGBT 1 in an X-phase, said IGBT 1 being an insulated gate semiconductor device. The drive circuit is configured for driving the IGBT ...  
WO/2018/149493A1
The invention relates to an inverter module (7) for a voltage source inverter (1) comprising a power semiconductor circuit (101) having at least two power semiconductor switches (102, 104), an energy accumulator (106) connected in parall...  
WO/2018/124561A3
A method for removing a direct current component at an output terminal of an MMC converter according to an embodiment of the present invention comprises: a detection step of individually detecting charging voltages charged in capacitors ...  
WO/2018/149731A1
In the field of gate drivers for switching devices with a gate terminal via which the switching device can be turned on and off, a switching stage (10; 90) comprises first and second input terminals (12, 14) that are connectable in use w...  
WO/2018/124516A3
The present invention relates to a modular multilevel converter (MMC) and, more particularly, to a MMC converter comprising a preliminary sub-module which is provided between an upper converter arm of the MMC converter and a lower conver...  
WO/2018/148519A1
A circuit includes a reference voltage, a switched mode power supply (SMPS) loop filter circuit configured to provide an inductor current limit based on the reference voltage, and a trigger circuit configured to enable or disable the SMP...  
WO/2018/147544A1
A power conversion device and a battery charging system, according to various embodiments, are disclosed. Disclosed are a power conversion device and a battery charging system comprising the same, the power conversion device comprising: ...  
WO/2018/147133A1
Provided are a power supply device and a television device which dynamically reduce a switching noise under a light load. This power supply device is provided with: an inductor (32) connected to a direct current power source (2); a capac...  
WO/2018/145899A1
DC/DC converter, designed to operate in accordance with the phase-shift principle or in accordance with the LLC principle, comprising a first and a second half-bridge, which half-bridges are connected in parallel, a transformer, the prim...  
WO/2018/145748A1
The present disclosure relates to a Modular Multilevel Converter (MMC) 40 comprising at least one phase leg 41 comprising a plurality of cascaded converter cells 42. Each converter cell comprises a number of N parallel connected Power El...  
WO/2018/146161A1
The present application relates to an isolated drive circuit, of the type commonly employed as high side drivers, for providing a drive signal to a semiconductor switch. The isolated drive circuit comprises a transformer with primary and...  
WO/2018/147545A1
A power supply device and a battery pack including the same, according to various embodiments, are disclosed. Disclosed are a power supply device and a battery pack including the same, the power supply device comprising: a regulator unit...  
WO/2018/145781A1
The invention relates to an apparatus (1) for rejecting interference signals in the case of bipolar voltage sources, in particular in the case of high-voltage sources in a drivetrain of an electric vehicle, wherein an amplifier circuit (...  
WO/2018/148686A1
A switching power converter is disclosed that communicates a thermal alarm to a mobile device over a data channel in a data cable for charging the mobile device.  
WO/2018/142631A1
To suppress a leakage current flowing to a parasitic capacitance of an insulated transformer in a high-side insulated power source by using a high-frequency signal generated by a high-frequency operation of a switching element. A leakage...  
WO/2018/141766A1
A power converter uses a transformer with main first (primary) and second (secondary) windings and having a main output and at least one auxiliary output. A third winding is for connection to a first auxiliary power supply output, and th...  
WO/2018/141603A1
The invention relates to a DC-DC converter with an output-sided storage capacitor assembly, which is formed from of a parallel connection of an electrolytic capacitor (1), a ceramic capacitor (2) and a circuit arrangement with a series c...  

Matches 651 - 700 out of 32,915