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Matches 1 - 50 out of 90,637

Document Document Title
WO/2019/156346A1
The present invention relates to a system for seamless power conversion in DC power distribution, in which a slave power conversion device is quickly switched to a master power conversion device when a fault occurs in the master power co...  
WO/2019/155109A1
The invention relates to a conversion system (100) with a DC side and an AC side, and to an associated control method. The system (100) comprises a primary conversion block (1), a secondary conversion block (2) and a transformer block (3...  
WO/2019/155918A1
The present invention reduces vibration of a motor. A power conversion device 100 according to an embodiment of the present invention converts power from a power source 101 to power to be supplied to a motor 10. The power conversion devi...  
WO/2019/156316A1
Provided is a rectifier using wide dynamic circuit matching for a complex self-power generation element. A rectifier according to an embodiment of the present invention uses a super capacitor and wide dynamic circuit matching for a compl...  
WO/2019/155776A1
The purpose of the present invention is to improve availability during a power outage. In this power conversion device 1, a gate drive power supply circuit 50 can supply gate drive power within a predetermined normal voltage range. When ...  
WO/2019/156373A1
The grid-connected inverter system according to one embodiment of the present invention can convert direct current supplied from a direct current source into alternating current, receive a control command from an upper level controller a...  
WO/2019/154341A1
A direct current smelting electric furnace, relating to the technical field of electric arc furnaces, comprising: a rectifying control circuit (5), a rectifying power supply device (1), a short network device (2), a multi-load layout dev...  
WO/2019/155539A1
A power conversion device (1) is provided with: a power conversion circuit part that performs a boosting operation of converting AC power from an AC power supply (2) to DC power and converting DC output voltage to voltage higher than the...  
WO/2019/154576A1
The invention relates to a device (3) for obtaining electric energy, comprising a rectifier (9) and a control device (10). The rectifier (9) comprises a first charging circuit for generating energy from a positive voltage of an energy ge...  
WO/2019/155844A1
The purpose of the present invention is to easily suppress the influence of dead time on voltage control without requiring an analysis of the specific operation status and the like of an individual motor control device by a user. A contr...  
WO/2019/155958A1
This reluctance motor system comprises: a rotor 20 having 2 × N (N being an integer of at least 1) rotor salient poles 22; a stator 10 having 6 × N stator salient poles 12; a three-phase concentrated winding 30 that excites the stator ...  
WO/2019/156347A1
The present invention relates to a power conversion apparatus for resolving a power imbalance between multiple output terminals of multiple power conversion modules operating in parallel. An embodiment of the present invention provides a...  
WO/2019/156192A1
Provided is a small-scale power conversion device, power-generating system, motor drive system, and power interconnection system. This power conversion device (101) has a configuration for which the phases of a three-phase alternating cu...  
WO/2019/155620A1
An air conditioner comprising an inrush current prevention circuit that prevents an inrush current from an AC power supply to a power conversion circuit, wherein the inrush current prevention circuit (202) comprises: a coil (28); a relay...  
WO/2019/154138A1
A bridge circuit for an inverter or a rectifier, relating to the technical field of power electronics, comprising a first switch, a second switch, a third switch and a fourth switch connected in series with each other and electrically co...  
WO/2019/156696A1
A compact and thermally efficient traction drive motor inverter featuring an integrated printed circuit board carrying both power circuitry and signal circuitry on separate electrically isolated layers without significant electromagnetic...  
WO/2019/155529A1
A power conversion apparatus (1) is provided with a control device (11) and a power converter (10) for supplying power to a rotary electric machine (3). The control device (11) is provided with: a first switching pattern generation unit ...  
WO/2019/155522A1
An electric power converting device according to an embodiment has a plurality of cells connected in series to each other. Each of the cells has a capacitor, a semiconductor switch, a first power supply circuit, a discharge circuit, a di...  
WO/2019/156327A1
A container for a power converter according to an embodiment of the present invention is a container, for a power converter, which is installed on the ground, has an upper board, a lower board and a side wall coupled to each other to for...  
WO/2019/156058A1
This driving device for a rotating electrical machine is provided with: a first inverter (40) that opens and closes upper and lower arm switches (41, 42) for each phase of a first winding (33a) and causes electrification of the first win...  
WO/2019/150727A1
The present invention suppresses heat generation of a switching element of an inverter. An alternating current load drive system (100) has: a converter (2) that converts an alternating current voltage (V2) outputted from a commercial pow...  
WO/2019/149367A1
The invention relates to a switching module (40) for a modular multi-stage converter (1), comprising a bridge branch (B2) extending between a first and a second outer connection of the switching module and having at least one first disen...  
WO/2019/151375A1
The purpose of the present invention is to expand a usable temperature range, reduce performance deterioration during sudden damage to a fluid passage, and improve reliability, in a cooling device provided with a self-excited vibration h...  
WO/2019/150443A1
A serial multiplex inverter (1) provided with a power conversion unit (10), a phase difference selection unit (43), a drive signal generation unit (41), and a drive signal output unit (42). The phase difference selection unit (43) select...  
WO/2019/148619A1
The present invention relates to a fault protection and bypass device of a modular multilevel converter power module, comprising an IGBT and a diode connected in parallel therewith, and a capacitor connected in parallel with several IGBT...  
WO/2019/150912A1
[Problem] To achieve the effective arrangement of elements. [Solution] This power conversion device is provided with: a first inverter connected to one end of a cable; a first mounting board on which the first inverter is mounted; a seco...  
WO/2019/150694A1
This power conversion device is provided with: a voltage conversion circuit for converting an input AC voltage to a DC voltage by means of PWM control and outputting the DC voltage; an input voltage detection circuit for detecting the AC...  
WO/2019/150859A1
The purpose of the present invention is to achieve device miniaturization while maintaining or enhancing a noise suppression function. A filter circuit device according to the present invention is provided with: a first core member for f...  
WO/2019/150870A1
The present invention comprises: a pair of direct current terminals (2 (2P, 2N)); semiconductor elements (3 (3U, 3L)) connected to an individual direct current terminal (2); a facing bus bar (4); and a sealing member (5). The facing bus ...  
WO/2019/148800A1
Disclosed are a switching control method and apparatus for a modular converter, and a wind power converter. The switching control method for a modular converter comprises: acquiring an output voltage vector and an output current vector o...  
WO/2019/150911A1
Provided are a power conversion device with which it is possible, when one of two inverters has become inoperable due to abnormality in a drive system, to allow the one side to function as a neutral point, a drive device, and a power ste...  
WO/2019/150861A1
Provided is a power conversion device capable of minimizing increases in the size of a system on which the device is mounted. The power conversion device (1) comprises a metal substrate (10) and a terminal (20) mounted on the metal subst...  
WO/2019/151639A1
The present invention relates to a drop frequency controller for maintaining different frequency qualities in an independent type multi-microgrid system, and an independent type multi-microgrid system using the same. The present inventio...  
WO/2019/150913A1
[Problem] To provide a driving device and a power steering device in which redundancy of a magnetic sensor can be achieved. [Solution] An embodiment of this driving device is provided with: a motor comprising a rotor and a stator; and a ...  
WO/2019/149015A1
Provided are a method for controlling a power conversion circuit and a related power conversion circuit. The related power conversion circuit comprises a three-level switch circuit (3) and a resonant circuit (4). The method comprises: co...  
WO/2019/150597A1
This electric power converting device is provided with a first electric power converting circuit which converts an alternating current voltage input from an alternating-current power source into a direct current voltage and outputs the s...  
WO/2019/149675A1
The present disclosure relates to a slotless synchronous permanent magnet, PM, motor (1) comprising: a rotor (5), and a stator (3) configured to electromagnetically interact with the rotor, wherein the rotor (5) is provided with a first ...  
WO/2019/149502A1
The invention relates to a method for operating a rotating field machine (2) of a motor vehicle, wherein at least two winding systems (2a, 2b) of the rotating field machine (2) are supplied with current (idc, idc1, idc2) from a DC link (...  
WO/2019/150560A1
This power conversion device comprises: a casing provided with a housing section; a circuit board housed in the housing section and having an inverter circuit or an inverter control circuit controlling the inverter circuit; a cooling fan...  
WO/2019/149438A1
A modular multilevel converter for converting between a DC voltage and an AC voltage, the modular multilevel converter comprising - at least two phase units connected in parallel and connect- able to a DC terminal, the phase units each c...  
WO/2019/151308A1
This power conversion device is provided with: a first inverter connected to one end of a cable; a second inverter connected to the other end thereof; a first neutral point relay circuit which is connected to both a power supply terminal...  
WO/2019/146878A1
Embodiments relate to a motor simulator for an inverter under test (IUT), the motor simulator comprising: a voltage follower inverter for at least partially canceling an output voltage of the IUT; and an output current control unit for c...  
WO/2019/146114A1
The insulation degradation monitoring device according to the present invention is provided with a computer installed with software. The software enables the computer to perform at least first processing, second processing, third process...  
WO/2019/144241A1
Resonant converters with wide voltage gain ranges are achieved by controlling at least one of the primary side resonant circuit and the secondary side rectifier circuit. A switch is included in at least one of the primary or secondary si...  
WO/2019/145370A1
The invention relates to a modular arrangement of a converter (1) for the electrical supply of a multi-phase electric motor (2), comprising multiple output stage modules (20) each having a separate first housing (25), wherein an output s...  
WO/2019/146179A1
Provided is a power conversion device with which it is possible to achieve size reduction and improve reliability by reducing the number of components of a system as a whole. The power conversion device (100) comprises a semiconductor mo...  
WO/2019/145044A1
Switching cell (10) for a voltage source converter (1) comprising a switching circuit (13) with a plurality of semiconductor switches (30, 31-34), and a DC source (14). The switching circuit (13) is arranged in parallel to the DC source ...  
WO/2019/146029A1
In a disconnection state in which the positive electrode of a first battery and a power supply terminal are disconnected from each other and a motor stop state, a main control circuit of this electric vehicle control device discharges a ...  
WO/2019/146437A1
Provided is an inverter device which exhibits excellent tracking performance in the event of load variation. The inverter device is provided with: an inverter circuit (20); d, q/u, v, and w conversion units (50); a line voltage effective...  
WO/2019/146073A1
This electronic module is provided with a power supply wire which is provided along a first side on a substrate and which is connected to a power supply terminal, a ground wire which is provided along a second side on the substrate and w...  

Matches 1 - 50 out of 90,637