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Matches 1 - 50 out of 87,310

Document Document Title
WO/2018/185962A1
In the present invention, the time period after switching elements S1, S4 which are at first diagonal positions of a full-bridge inverter (2) simultaneously turn OFF and until switching elements S2, S3 which are at second diagonal positi...  
WO/2018/186353A1
This power module (2) includes at least one half bridge (1), and comprises, respectively in the upper and lower arms thereof: first transistors Q1, Q4; second transistors QM1, QM4, the drain of each of which being connected to the gate G...  
WO/2018/187119A1
A constant output current LED driver is disclosed. The driver is capable of operating with a wide range of input direct current (DC) voltage, and is configured with a full bridge inverter, an auxiliary circuit, and a voltage current conv...  
WO/2018/184669A1
The present disclosure relates to a method of compensating for a DC offset of a high-voltage AC output from a Modular Multilevel Converter (MMC) comprising at least one phase leg. The MMC is connected to a three-phase high-voltage AC gri...  
WO/2018/184671A1
The invention relates to a multi-phase multi-stage power converter (MMC), comprising a phase module (PM1, PM2, PM3), which has a power converter module (UL, UH), which is formed from a plurality of two-pole sub-modules (SM) connected ele...  
WO/2018/185974A1
Provided are: a semiconductor device with which a residue of very small air bubbles generated during a resin injection step is suppressed, and it is possible to easily achieve the flow of sealing material into regions to be sealed with r...  
WO/2018/186686A1
Disclosed herein are a compressor driving apparatus and a refrigerator including the same. A compressor driving apparatus includes: a plurality of switching elements; an inverter for converting direct current (DC) power into alternating ...  
WO/2018/186188A1
This electrical system is provided with: electric devices (10, 2, 2b) operated by a power supply voltage supplied from a direct current power supply (3); a filter circuit (30) which has a resistance element (32) constituting a closed cir...  
WO/2018/185812A1
When a load current (IL) is larger than a prescribed value (Ic), a control device (18) of an uninterruptible power supply device (1) controls an inverter (10) by using a gate signal (Au, Bu) which has a comparatively high frequency (fH) ...  
WO/2018/185963A1
According to the present invention, a power conversion device is provided between a commercial power system and a DC power supply having a lower voltage than a peak value of an absolute value of an AC voltage of the commercial power syst...  
WO/2018/186061A1
A pump control device according to the present invention is provided with: a temperature information acquisition unit for acquiring temperature information indicating the temperature of oil to be circulated in an electric pump when the e...  
WO/2018/184653A1
A switching block for use in forming high voltage comprises a first type of switch (S1) in series with a second type of switch (S2), where the first type of switch comprises a transistor (T1) with anti-parallel diode (D1) and the second ...  
WO/2018/185813A1
When a load current (IL) is larger than a prescribed value (Ic), a control device (18) of an uninterruptible power supply device (1) controls an converter (6) by using a gate signal (Au, Bu) which has a comparatively high frequency (fH),...  
WO/2018/185811A1
A control device (18) of an uninterruptible power supply device (1) executes the mode selected from amongst a normal operation mode, in which the frequency of a triangular wave signal (Cu) is set to a comparatively high frequency (fH), a...  
WO/2018/180238A1
A power conversion device converts a power from a power supply to a power supplied to a motor having n-phase (n is an integer of 3 or more) windings, one ends of which are connected to each other in a Y-connection, and is provided with: ...  
WO/2018/179715A1
A power conversion device 10 is provided with a first DC-DC converter 11, an inverter 13, and control circuits 14, 15, wherein: a second DC-DC converter 21 for controlling the input/output of an electricity storage unit 3 is configured t...  
WO/2018/180274A1
The power conversion device converts power from a power source into power to be supplied to a motor having n-phase (n is an integer equal to or greater than 3) windings. The power conversion device is provided with a first inverter conne...  
WO/2018/177822A1
A method of controlling a voltage source converter (10) including at least one converter limb (16A, 16B, 16C), the or each converter limb (16A, 16B, 16C) extending between first and second DC terminals (12, 14) and including first and se...  
WO/2018/179234A1
The H-bridge converter according to an embodiment is provided with: an HF-leg 13 having a plurality of sub-legs connected in parallel, said sub-legs each including a pair of switching devices connected in series between a DC positive vol...  
WO/2018/177212A1
An electronic device (200), comprising a boost inductor (201), an auxiliary winding (202), and an accommodating housing (203). The auxiliary winding is coupled to the boost inductor; the boost inductor and the auxiliary winding are accom...  
WO/2018/178855A1
A power module (1) for a converter of electrical magnitudes, comprising an electronic board (2) on which a first electrical circuit (3) is fashioned which defines a positive pole of a direct magnitude, a second electrical circuit (4) is ...  
WO/2018/177532A1
The present disclosure relates to a converter arrangement comprising a valve hall 1, a high-voltage power converter 2 contained in the valve hall, a bushing 4 through a wall of the valve hall, a bus-bar 7 connecting the converter to the ...  
WO/2018/179662A1
The present invention relates to a method in which, when converting power supplied from a power supply to a power for driving an AC rotating electric machine, an output voltage is raised with the increase of the rotational speed of the A...  
WO/2018/177770A1
The present invention relates to a diagnosis of the switch elements in an inverter, in particular an inverter of an electric drive system. To this end, an intermediate circuit capacitor of the inverter is charged and, selectively, either...  
WO/2018/181332A1
The objective of the present invention is to reduce noise in the audible band generated in a rotating electrical machine in accordance with a carrier frequency, while suppressing a deterioration in the overall electrical efficiency of an...  
WO/2018/177389A1
The present solution relates to the field of LEDs, and provides an LED constant-voltage current-sharing system. In the present solution, the system comprises a plurality of current-sharing modules, a plurality of direct-current power sup...  
WO/2018/177732A1
The present invention relates to a 3-level power module (6) comprising a baseplate (8), a 3-level inverter circuit (1a), the 3-level inverter circuit (1a) being arranged on the baseplate (8), and a phase output connector (9a). The object...  
WO/2018/176114A1
The present invention relates to a method for recovering electrical energy and to an electrical energy recovery system which uses said method for recovering electrical energy within the power grid itself, by means of an electrical circui...  
WO/2018/180435A1
A power conversion device (2) is provided with an inverter circuit (220) and a control unit (221). The inverter circuit (220) converts, into AC power, DC power inputted from a DC line (DC1) to which a DC power supply device (3) for outpu...  
WO/2018/179145A1
Provided is a power conversion device in which an inverter (10) for each of three arms (A1 to A3) is controlled so that a circulation current (Iz) through the three arms (A1 to A3) becomes a command value (Izrt) during a test period (tim...  
WO/2018/183595A1
A power supply circuit includes a matrix converter that converts a first to third input alternating current (AC) phases into a single primary phase, a transformer including a primary side electrically connected to the single primary phas...  
WO/2018/179716A1
In the present invention, a DC-DC converter 11 converts the voltage of DC power output from a power generation device that generates power on the basis of renewable energy, and the DC-DC converter outputs the converted DC power to a DC b...  
WO/2018/181212A1
A high-side transistor MH is provided between an input line 102 and a switching line 104. A high-side driver 122 drives the high-side transistor MH. A first capacitor C1 is provided between the switching line 104 and a lower-side power s...  
WO/2018/181506A1
According to the present invention, a compressor electric motor is caused to generate preheat. The path of an integral value over time of a unit voltage vector constituting a voltage vector serving as a unit which is a constituent of an ...  
WO/2018/179712A1
A power conversion device 10 in which an inverter 13 converts direct-current power to alternating-current power and supplies the alternating-current power to a load 5 or a system 4. Control circuits 14, 15 control the inverter 13. The co...  
WO/2018/180361A1
The motor (10) according to an embodiment is provided with a first inverter (110) connected to one end of the winding of each phase and a second inverter (140) connected to the other end of the winding of each phase. The first and second...  
WO/2018/180360A1
The motor (10) according to an embodiment is provided with a first inverter (110) connected to one end of the winding of each phase and a second inverter (140) connected to the other end of the winding of each phase. The first inverter (...  
WO/2018/181727A1
In this method for manufacturing a semiconductor device (101), a plurality of first temporary fixture parts (3) are supplied onto the surface of a substrate (1) to be scattered at intervals. A first solder layer (4), which is processed i...  
WO/2018/178163A1
The invention relates to a high voltage transformer (1) comprising a primary circuit having a primary winding (101), a secondary circuit having at least two secondary windings (301a, 301b), which are connected in series and decoupled by ...  
WO/2018/180889A1
The present disclosure addresses the problem of providing a power conversion device, a power conversion system, and a DC power supply device in which the degree of freedom of a place for installing the DC power supply device can be incre...  
WO/2018/180237A1
This power conversion apparatus is provided with: a first inverter; a second inverter; and a switching circuit that has a first switch element and a second switch element, wherein, in a state where potentials at a first node on the high ...  
WO/2018/180275A1
[Problem] To realize an AC/DC conversion circuit that suppresses sudden potential changes at an output end. [Solution] An AC/DC conversion circuit 100-700C comprises: an input unit 1; a conversion circuit 3; and an output unit 5. The inp...  
WO/2018/180897A1
The present invention obtains an inverter unit provided with a switching element unit and a capacitor unit and having a reduced wiring impedance. The capacitor unit 4 has a first portion 41 having a first length L1 that is the length in ...  
WO/2018/178711A1
A turbogenerator power electronics system for use with a turbogenerator is described, wherein the turbogenerator power electronics system comprises a plurality of power electronics subsystems connected in parallel, each power electronics...  
WO/2018/179031A1
A vehicle power conversion device (2) is provided with: a housing (3), in which an electronic component (6) is housed, and an opening (7) is formed; and a cooling device (1). The cooling device (1) is provided with: a base (10), which is...  
WO/2018/181541A1
Provided is a drive device comprising a switching control unit that switches the drive state of a first rotating electric machine (10) and a second rotating electric machine (20) to a serial drive state and at least one of a parallel dri...  
WO/2018/181945A1
A rotary electric machine (20) is provided with: a stator core; and a coil (30) that is wound on the stator core. The coil (30) is provided with a first coil part (31) and a second coil part (32) that are electrically insulated from each...  
WO/2018/180328A1
In the present invention, a brake device 1 has: an inverter 12 for driving an electric motor 11; an inverter actuation circuit 15 for actuating the inverter 12; a power supply 3 for supplying electric power to the inverter actuation circ...  
WO/2018/179713A1
A power conversion device 10 in which an inverter 13: is connected, via a direct-current bus 40, to a DC-DC converter 21 that converts the voltage of direct-current power that is outputted by a direct-current power supply and outputs the...  
WO/2018/179773A1
The purpose of the present invention is to improve the reliability of a power conversion device with respect to electromagnetic noise. A power conversion device according to the present invention comprises: a power semiconductor circuit ...  

Matches 1 - 50 out of 87,310