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Matches 1 - 50 out of 86,432

Document Document Title
WO/2018/130408A1
The present disclosure provides a three-level power module comprising sets of one or more pins which are suitable for connecting to a positive Direct Current (DC) potential, a negative DC potential and a neutral potential, wherein at lea...  
WO/2018/131301A1
The present invention addresses the problem of providing a power semiconductor device which prevents the peel-off of an insulating resin in a deforming step of a metal case and the deterioration of heat dissipating performance, and which...  
WO/2018/130409A1
The present disclosure provides a three-level power module comprising at least one substrate on which one or more semiconductor switches are mounted, wherein the one or more semiconductor switches are wide-bandgap semiconductors.  
WO/2018/129825A1
Provided is a smart half-bridge sine-wave voltage conversion circuit based on PFC interleaved flyback, comprising: an input rectifier filter unit (10); a PFC boost unit (20); an interleaved-flyback isolation transform unit (30), comprisi...  
WO/2018/129824A1
Provided is a smart half-bridge modified-wave voltage conversion circuit based on PFC interleaved flyback, comprising: an input rectifier filter unit (10); a PFC boost unit (20); an interleaved-flyback isolation transform unit (30), comp...  
WO/2018/130149A1
A power conversion apparatus and a control method for the power conversion apparatus, achieved by providing a power conversion unit group and a control unit; the power conversion unit group comprises at least two power conversion units w...  
WO/2018/131273A1
The purpose of the present invention is to provide a motor drive device and a refrigeration apparatus capable of achieving suppression of motor current distortion caused by direct-current voltage ripples while adopting a small-capacity s...  
WO/2018/131276A1
Disclosed is a semiconductor device wherein a plurality of main terminals (27) protrude from the same side surface of a resin molded body (21), and are disposed by being aligned with each other in the direction, in which a first semicond...  
WO/2018/132236A1
Systems and methods for operating a power converter with a plurality of inverter blocks with silicon carbide MOSFETs are provided. A DC to AC converter can include a plurality of inverter blocks. Each inverter block can include a plurali...  
WO/2018/131397A1
An inverter (20) converts direct-current power into alternating-current power by operating PWM-controlled multiple switching components (21 through 26) and supplies the alternating-current power to an alternating-current motor (80). A fe...  
WO/2018/132342A1
Systems and methods for operating a power converter are provided. A DC to AC converter can include an inner converter and an outer converter. The inner converter can include an isolation transformer a first plurality of switching devices...  
WO/2018/131260A1
The power conversion device has multiple converter cells 1. The converter cells 1 are configured from: an upper arm 13u comprising a semiconductor switching component 11u capable of conducting electricity only in one direction and a diod...  
WO/2018/131324A1
The problem addressed by the present invention is to provide a technology for enhancing the accuracy of the high-frequency current detection of a current detection device. A current detection device according to the present invention is ...  
WO/2018/131086A1
Provided is a power conversion device used in an electric motor drive system having inverters connected in parallel, said power conversion device identifying a laid cable impedance by using a test pulse and optimizing a cross current sup...  
WO/2018/130407A1
The present disclosure provides a power module comprising at least two substrates on which one or more semiconductors are mounted, wherein the at least two substrates are connected via a plurality of bond wires, and wherein the plurality...  
WO/2018/130653A1
In the presented solution reactive power is compensated for in connection with a power transmission line(1)with an arrangement which comprises at least one transformer (3) and at least one reactive power compensator(4). The at least one ...  
WO/2018/131384A1
A Vfc balance controller (31) includes a coefficient multiplication circuit (32) for calculating a half value of a voltage VI, a subtracter (34), an adder (35), and a correction part (36). The adder (35) adds a correction term Vα·sin (...  
WO/2018/131568A1
This control device (14) for a power conversion circuit controls a power conversion circuit (13) which has a plurality of switching elements (Sp, Sn), and which converts input power and outputs the converted input power to a rotary elect...  
WO/2018/131336A1
Provided is an electric power conversion device which is able to be reduced in size, while ensuring noise resistance and insulation between a power semiconductor module and a drive circuit board. An electric power conversion device accor...  
WO/2018/130773A1
The invention relates to an electrical accumulator battery (5) charger (1) for an electric automotive vehicle, wherein at least two bridge arms (31, 32) of a Vienna rectifier (3) comprise a bidirectional insulated-gate field-effect trans...  
WO/2018/131385A1
An input filter (110) is mounted on a first substrate (B1). A first columnar conductor pair (303) transmits, from a first terminal pair (TPin) to a second substrate (B2), a voltage that has passed through the input filter (110). A first ...  
WO/2018/130432A1
The present disclosure provides a power module comprising at least one substrate on which at least two semiconductor switches are mounted, wherein the at least two semiconductor switches are configured to operate in parallel, and wherein...  
WO/2018/132028A1
A method of converting direct voltage into pulse voltage consists in forming a pulse current from a high direct voltage, said current flowing through an inductive load, and in controlling the magnitude of said current using an electronic...  
WO/2018/129975A1
A grid-connection inverter and an inverter system. The grid-connection inverter comprises: an auxiliary circuit configured to provide a first freewheel path and a second freewheel path. The auxiliary circuit comprises: a first transistor...  
WO/2018/127367A1
The present invention relates to a control method and a switching device for a separately excited synchronous machine as drive in a hybrid or electric vehicle. In order to provide a control method and a corresponding switching device whi...  
WO/2018/128102A1
This power-factor-improving converter comprises: an inductor (2); a bridge circuit (3) constituted by a series circuit including a first high-potential-side switch circuit (31) and a first low-potential-side switch circuit (32), and a se...  
WO/2018/128831A1
Power converters for use in energy systems are included. For instance, an energy system can include an input power source configured to provide a low voltage direct current power. The energy system can include a power converter configure...  
WO/2018/127054A1
A serial-to-parallel converter (100) having multiple inputs and a charge/current conversion appliance (10) using same, relating to the field of converter technology. The serial-to-parallel converter (100) comprises multiple direct curren...  
WO/2018/126617A1
A wireless charging circuit with a constant-current constant-voltage compound topology. In the wireless charging circuit, a primary-side compensation module (31) comprises a first inductor (L1) and a first resonant capacitor (C1); a firs...  
WO/2018/127945A1
A power converter (100) comprises a three-level converter (6), an inverter (3), a diode rectifier (2), and a controller (7). The three-level converter (6) is configured to convert an alternating-current voltage supplied from an alternati...  
WO/2018/128820A1
Systems and methods for protecting the redundancy of inverter blocks are provided. In one example implementation, a system can include a plurality of inverter blocks. Each inverter block can include a first conversion entity configured t...  
WO/2018/128101A1
This AC-DC converter comprises: an input alternating-voltage source (1) that outputs an input alternating voltage Vac; a step-up converter unit (3) that converts the input alternating voltage into an output direct voltage VO and outputs ...  
WO/2018/123849A1
Provided is a power conversion device in which an appropriate current control becomes possible at any time during both normal and abnormal states. The power conversion device (100B) has: a first inverter (110) connected to one end of a w...  
WO/2018/124519A1
The present invention relates to an MMC converter system which can quickly cut off fault current by installing a plurality of disconnecting switch units on a line connected between two MMC converter devices. A modular multilevel converte...  
WO/2018/123056A1
A lighting device (100) according to the present invention is provided with: a rectification circuit (3) which rectifies AC power; a DC conversion circuit (30) which inhibits higher harmonics of a current and improves the power factor, a...  
WO/2018/122002A1
Embodiments of the present invention disclose a modulation method and apparatus based on a three-phase neutral point clamped inverter. The method includes outputting a control signal for controlling all the switch elements of one of the ...  
WO/2018/122911A1
Provided is a power conversion device with which it is possible to acquire a sign of a system stop before the system stops, and to minimize the nonworking time of the system. A power conversion device for converting DC voltage or AC volt...  
WO/2018/124523A2
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/2018/122873A1
A fuel dispenser power distribution system is provided including a switch mode power supply configured to receive alternating current power from a power source and provide direct current power for one or more direct current components as...  
WO/2018/120796A1
Provided are a multifunctional machine reactor and a multifunctional machine output circuit. The reactor comprises a magnetic core, a winding, and a base. The left and right sides of the magnetic core are provided with a winding L1 and a...  
WO/2018/125758A1
A device for the switching of electrical current comprising a photo-cathode, an anode, one or more light sources positioned to illuminate the photo-cathode to stimulate the emission of electrons from the photo-cathode, an electrical circ...  
WO/2018/121821A1
A power conversion system for a wind turbine generator, comprising a machine-side converter having an AC voltage input from a generator and a DC voltage output to a DC link, wherein the machine-side converter is a modular multi-level con...  
WO/2018/123552A1
Provided are a snubber circuit capable of reducing a loss, and a power conversion system using the snubber circuit. A snubber circuit (3) is provided with a clamp circuit (31), and an insulated voltage conversion circuit (32). The clamp ...  
WO/2018/119528A1
The invention relates to a system for transmitting electrical energy, which allows electrical power to be exchanged between two alternating-current systems, by means of a direct current loop, preventing harmonic currents from being injec...  
WO/2018/123291A1
The purpose of the present invention is to lower electromagnetic noise while reducing the computing load on a microcomputer. The inverter driving device according to the present invention switches, in a motor control device for controlli...  
WO/2018/122923A1
A filter device connected between an AC power supply (1) and a PWM converter (2) is provided with: a first AC reactor (3); a second AC reactor (4) connected between the PWM converter (2) and the first AC reactor (3); a filter capacitor (...  
WO/2018/124516A2
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/2018/123115A1
The present invention is provided with: a rectification circuit (3) which rectifies AC power; a DC conversion circuit (30) which inhibits higher harmonics of a current and improves the power factor, and converts the power outputted from ...  
WO/2018/123521A1
The present invention provides a three-phase/single-phase AC power supply-compatible electric hoist in which a three-phase AC power supply-compatible electric hoist equipped with an inverter and an AC motor can be changed to a single-pha...  
WO/2018/120817A1
A frequency converter (10) and a microwave oven (100). The frequency converter (10) comprises an inversion switch unit (11), a boost transformer (12), and a voltage-multiplying rectification unit (13). The inversion switch unit (11) comp...  

Matches 1 - 50 out of 86,432