Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 88,407

Document Document Title
WO/2019/012731A1
Provided is a technology of eliminating performance deterioration of a solar cell due to PID. A DC-DC converter (31) is provided with: a positive-side capacitor (C2) connected to a positive electrode-side output end; a negative-side capa...  
WO/2019/012725A1
In a configuration in which a plurality of power conversion units each equipped with a power converter for performing power conversion between a power supply and a load are multiplexed in parallel, at least one of the plurality of power ...  
WO/2019/014682A1
A power supply system comprises a primary regulation system, a secondary regulation system, and a controller. The primary regulation system comprises a primary transformer and a primary tap switch array. The secondary regulation system c...  
WO/2019/012835A1
This power supply device has a first switching circuit, a second switching circuit, and a control circuit. The first switching circuit is housed in a first space, and is insulated from the outside. The second switching circuit is housed ...  
WO/2019/013905A1
A system includes a voltage converter and a controller for controlling the operation of the voltage converter. The voltage converter includes a plurality of legs, wherein each leg includes a first and a second set of silicon (Si)-based p...  
WO/2019/012939A1
The DC-DC converter according to one embodiment is provided with: a switching element brought into either a first state in which a first node on the low potential side and a second node on the high potential side are electrically connect...  
WO/2019/012830A1
Provided are a power generation device and a power generation system with which the amplification of harmonic current due to resonance can be suppressed while preventing a decrease in power generation efficiency. The power generation dev...  
WO/2019/011341A1
AC to DC converters, more specifically Power Factor Correction (PFC) circuits, using a multi-level waveform and hybrid devices are presented. From an AC voltage input a multi-level waveform is generated, which is used to generate high an...  
WO/2019/012834A1
A power supply device having a circuit substrate, a cylindrical or columnar metal member, and a ring core. A wiring part is provided to the circuit substrate. The metal member constitutes at least a part of a draw-out wiring part drawn o...  
WO/2019/012250A1
The disclosure relates to a line commutated converter, LCC, for a high-voltage direct current, HVDC, power converter. The LCC comprises at least one bridge circuit for connection to at least one terminal of a DC system. Each bridge circu...  
WO/2019/011444A1
The invention provides an inverter system and a method of using said inverter system. A rectifier stage of the inverter system is used to charge a DC link stage to a first voltage level and a control module determines whet her voltages o...  
WO/2019/011905A2
The present invention provides a charging assembly (10) for charging at least one electrically chargeable storage device (12), in particular an electrically chargeable storage device (12) for driving an electrical vehicle, comprising mul...  
WO/2019/008904A1
A DC power supply system according to the present invention suppresses an arc which is generated when, for example, an input plug is disconnected from an outlet during power supply, and enables, a commercially available electric apparatu...  
WO/2019/007526A1
The present disclosure relates to a power converter (1) configured for being connected to an AC grid (4) having three phases a, b and c. The converter comprises a full-bridge director switch arrangement (2), and a chain-link leg (3) comp...  
WO/2019/008828A1
Provided is a more compact, highly reliable semiconductor device. This semiconductor device (100) comprises an insulation substrate (41) having a main surface, a semiconductor element (2), a casing member (5), and a sealing resin (1) ser...  
WO/2019/007532A1
The invention relates to an electric short-circuit device (400) comprising a first electric contact piece (404), a second electric contact piece (408), and a component (412) made of an electrically semiconductive crystalline material whi...  
WO/2019/007475A1
A submodule (SMA) for a modular multilevel converter comprises a capacitor(CSM),a first group of series-connected switching units and a first chain link branch comprising a first chain-link (CL1),wherein the first group of switching unit...  
WO/2019/007479A1
The present disclosure relates to a method for voltage balancing between phase-legs 2 of a Modular Multilevel Converter (MMC) 1. Each phase-leg comprises a plurality of series connected converter cells 4. Each cell comprises an energy st...  
WO/2019/008676A1
An inverter device is provided with: an inverter 4A; a power supply current detection sensor 81; a phase current detection sensor 82 for detecting the phase current of one phase of the inverter 4A; a three-phase voltage command calculato...  
WO/2019/008770A1
An AC/DC conversion device (100) is provided with a booster circuit (3) for boosting a first voltage and a first voltage detector (5) for detecting a power supply voltage. The booster circuit (3) has: a reactor (2) to which a power suppl...  
WO/2019/008242A1
The invention relates to a method for controlling a three-phase voltage inverter receiving a direct input voltage, the method comprising a step (40) of correcting the reference voltage vector comprising: - a step (44) of computing at lea...  
WO/2019/008678A1
A power conversion device 1 is provided with: a chassis 10 housing a circuit mounted in a motor room 2 of an electric vehicle and transferring power between a high-voltage device and a motor; and a connector 11 connected to the circuit a...  
WO/2019/009629A1
An energy collecting device capable of reusing residual charges by using a piezoelectric element, presented in the present invention, comprises a piezoelectric element, a rectifier, a charge/discharge changing unit and a digital controll...  
WO/2019/007502A1
The invention relates to a multilevel power converter (800) comprising at least one phase module (400) which is arranged between a first DC voltage connection (16) and a second DC voltage connection (17) of the multilevel power converter...  
WO/2019/008788A1
This power conversion device comprises: an insulating transformer 107 having a first winding and a second winding; switch elements 101-104 connected to the first winding of the insulating transformer 107; a first conductor 105 that conne...  
WO/2019/007503A1
The invention relates to a power converter (1) comprising at least one phase module (33) which is arranged between a first DC voltage connection (37) and a second DC voltage connection (41) of the power converter and which has a large nu...  
WO/2019/008850A1
In order to provide a power converter device capable of accurately estimating the load voltage applied to a load (1) without directly detecting the same, this power converter device is provided with a control circuit (11) having a means ...  
WO/2019/008932A1
The present invention addresses the problem of ripple current (ripple) occurring in the zero-phase current and increasing loss. A motor control system 1 is provided with: an inverter 100 for driving a motor 200 equipped with independentl...  
WO/2019/008194A1
The invention relates to a power conversion system and an associated control method. The system comprises a plurality of converters (3) connected in parallel on an AC side, each converter (3) comprising an AC side (3A) for coupling with ...  
WO/2019/007824A1
The invention relates to a modular multilevel energy converter comprising at least one converter circuit which is connected to a first connection of the multilevel energy converter, comprises multiple converter modules connected in serie...  
WO/2019/003421A1
A control circuit is provided with: a transistor control unit for controlling the voltage at the gate terminal of a field-effect transistor in accordance with the difference between the voltages at the source and drain terminals of the f...  
WO/2019/002710A1
The invention relates to a voltage converter (104) which comprises a main module (202) comprising a main positive busbar (206), a main negative busbar (208), at least one phase busbar (122) intended for being connected to a respective ph...  
WO/2019/006452A2
An electrical combination, a power tool system, an electric motor, a battery pack, and operating and manufacturing methods. The electrical device may include a device housing, a motor supported by the device housing, the motor having a n...  
WO/2019/006428A1
There is provided an apparatus comprising a resonant amplifier circuit (100) including a first inductor (107) having a first inductive input and a first inductive output; a second inductor (109) having a second inductive input and a seco...  
WO/2019/004354A1
The present invention eliminates the need for detecting current in controlling of a power buffer circuit used in a direct power converter. A normalized link-current estimation unit (103e) employs a first value as an estimated value (Idc^...  
WO/2019/004015A1
In this multi-stage DC chopper circuit, a plurality of chopper circuits connected in multiple stages convert DC power to DC power by turning switching elements on/off, wherein DC power is output by superposing output power from the chopp...  
WO/2019/000255A1
A charging control circuit and an unmanned aerial vehicle charger. An electric signal outputted by a power supply module is sequentially filtered, rectified, frequency jittered, overvoltage protected, overcurrent protected, transformed, ...  
WO/2019/003432A1
A power conversion device (100) comprises: a first stage (ST1); a second stage (ST2); first electric field relaxing shield parts (S11-S14); second electric field relaxing shield parts (S21-S24); and a plurality of stage support columns (...  
WO/2019/001843A1
A device for driving an inductive load (200) is described. The device comprises at least one pair of switches (100) connected to the inductive load (200) in a bridge circuit. In this case, at least one of the switches (100) comprises an ...  
WO/2019/004572A1
The present invention relates to a BLDC motor integrated with an inverter, having a motor and an inverter part that are integrally formed, and to a BLDC motor integrated with an inverter, having an improved arrangement of switching eleme...  
WO/2019/003290A1
This power conversion device is provided with a plurality of converter cells (7) cascaded with each other. In each of the converter cells (7), a plurality of arms (31; 34) constituting a bridge circuit (30) are each provided with a plura...  
WO/2019/002709A1
The voltage converter (104) includes first and second busbars (106, 108), at least one power module (110) including at least one pair of first and second controllable switches (112, 14). One capacitor is provided for each power module (1...  
WO/2019/003339A1
Provided are a driving control device, an electronic apparatus, and a driving control method that suppress vibration noise. The driving control device drives a vibration element of an electronic apparatus that includes a top panel having...  
WO/2019/005730A1
One aspect of the present disclosure relates to a power electronics device for an electrically-driven charging device for an engine, said power electronics device comprising one or more power electronics components which are designed to ...  
WO/2019/003203A1
Power supply system for a lighting system comprising a plurality of LED light points (2), the power supply system (3) having AC/DC voltage converter means (6) to convert an AC voltage (Vac) into a first DC voltage (Vdcl), one or more DC/...  
WO/2019/003270A1
A power conversion device (100) is provided with: a booster circuit (3) having a reactor (2), a first leg (31), and a second leg (32) and boosting a first voltage output from an AC power supply (1), the reactor (2) having the first volta...  
WO/2019/002030A1
The present disclosure relates to a Direct Electrical Heating, DEH, power system (1-1) for delivering power to at least one DEH load, wherein the DEH power system (1-1) comprises: a multi-winding input transformer (3), a rectifier (5) co...  
WO/2019/003718A1
The purpose of the present invention is to improve productivity while ensuring reliability of a power semiconductor device. The present invention is characterized by being provided with: a circuit body configured by including a semicondu...  
WO/2018/236634A1
An electrical circuit and a method for regulating current and providing a circuit breaker to the electrical circuit. The circuit includes a bidirectional cell including a set of forward switches for power flow during a forward mode of op...  
WO/2018/233824A1
The present disclosure relates to a method of controlling a Modular Multilevel Converter (MMC) (1) during a fault in a power grid (5) to which the MMC is connected. The MMC comprises a plurality of phases (2), each comprising at least on...  

Matches 1 - 50 out of 88,407