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Matches 251 - 300 out of 91,524

Document Document Title
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...  
WO/2019/147323A1
Methods and controllers to operate a wind turbine system, including generating control signals to operate a boost converter and an inverter according to a setpoint, increasing the setpoint, sampling a feedback value after increasing the ...  
WO/2019/146069A1
This electronic module is provided with a shunt resistance which is connected at one terminal to one end of a first ground wire and at the other terminal to the other end of a second ground wire. Multiple signal terminals include a first...  
WO/2019/146258A1
Provided is a semiconductor device wherein deterioration detection accuracy is improved using an inductance component of a bonding wire. This semiconductor device having improved deterioration detection accuracy is provided with: a first...  
WO/2019/145081A1
The invention relates to a circuit arrangement of a converter (1) for the electrical supply of a multi-phase electric motor (2). The arrangement comprises multiple DC-voltage-supplied (+DC, -DC) phase intermediate circuits (13) and multi...  
WO/2019/147143A1
The present disclosure relates to a boost active bridge converter, which has particular, but not sole, relevance to a converter for an inductive or capacitive (wireless) power transfer system. According to an embodiment An AC-AC converte...  
WO/2019/146022A1
This motor control device (2) is provided with: a convertor circuit (5) which converts AC power to DC power and comprises upper and lower arms, a first switching element being provided on either the upper arm or the lower arm; a surge cu...  
WO/2019/146124A1
This serially multiplexed inverter (1) is provided with a power conversion unit (10), a drive signal generation unit (41), and a drive signal output unit (42). When n is an integer of 3 or more, the drive signal generation unit (41) gene...  
WO/2019/147144A1
The present disclosure relates to an integrated boost modular multilevel converter, which has particular, but not sole, relevance to a converter for an inductive or capacitive (wireless) power transfer system. More particularly, the pres...  
WO/2019/146246A1
This bus bar (10) is formed by punching out an electroconductive plate (100) and has a bent tab (14) that has been bent in the same direction as the punch-out direction. A motor drive device (1) is an example of a power source device equ...  
WO/2019/145068A1
The present invention relates to a method and device for operating a multi-phase electric machine. The method comprises the steps of: determining a working point; determining a provisional switching frequency for a pulse width modulation...  
WO/2019/142877A1
The present invention appropriately controls two inverters respectively provided to both ends of an open winding. A rotary electric machine control device (1) has at least two control schemes for controlling a first inverter (11) and a s...  
WO/2019/142361A1
This power conversion device is provided with: a power conversion circuit section (2) that includes a plurality of sub-modules (7) connected in series to each other; a control apparatus (30) that generates control instructions for contro...  
WO/2019/142543A1
The problem of the present invention is to provide a power module with good reliability. This power semiconductor device is provided with a semiconductor element and first and second conductors which sandwich the semiconductor element an...  
WO/2019/142417A1
The purpose of the present invention is to suppress power consumption due to a standing-by for reception from the outside. A power supply control circuit for controlling power supply in an electronic apparatus is provided with a power su...  
WO/2019/141686A1
A voltage source converter (30) comprises first and second DC terminals (32,34) for connection to a DC network(58), the voltage source converter (30) including a plurality of limbs connected between the first and second DC terminals (32,...  
WO/2019/142545A1
The problem of the present invention is to improve the reliability of a power semiconductor device. This power semiconductor device is provided with: a semiconductor element; a first terminal and a second terminal that transmit a current...  
WO/2019/140882A1
An intelligent power module (4100), an air conditioner controller, and an air conditioner. An overcurrent detection circuit (4302), an upper bridge overcurrent control circuit (4304), and a lower bridge overcurrent control circuit (4303)...  
WO/2019/142972A1
A parallel inverter system is disclosed. In a system of the present invention, each inverter controller is connected to dual communication lines, in such a manner that a master controller comprises a first communication port composed of ...  
WO/2019/141500A1
The invention relates to a method for monitoring a modular converter (1) having a plurality of modules (1_1... 1_n) connected in a series circuit, each having at least two electronic switching elements (202, 206) and an electrical energy...  
WO/2019/137865A1
The invention relates to a brake device for an electric motor (12) comprising at least one first switch unit (14), which has at least two switch element (16, 18, 20), and at least one second switch unit (22), which has at least two switc...  
WO/2019/137916A1
A method for controlling an electrical converter (12), the electrical converter (12) being adapted for converting a DC voltage (vdc) into a multi-phase voltage with at least two voltage levels, comprises: determining a modulating signal ...  
WO/2019/138251A1
An apparatus (21) is described for facilitating emulated current-mode control of a resonant converter (1). The apparatus (21) comprises: an input (21) a for a first signal suitable for use in determining a phase of a resonant current, wh...  
WO/2019/136575A1
The present invention relates to a voltage-type single-stage multi-input high frequency link inverter which has built-in parallel time-sharing selection switches, a circuit structure thereof being formed by connecting multiple common-gro...  
WO/2019/139131A1
[Problem] To provide a power supply circuit, the potential difference variation of which is small. [Solution] A power supply circuit of the present invention includes: a first demultiplexing unit 5 for separating an AC voltage; a first f...  
WO/2019/138554A1
This voltage imbalance assessment method is for a power conversion device comprising a rectifier for rectifying the voltage of a three-phase AC power supply, a smoothing capacitor for smoothing the rectified voltage, a detection unit for...  
WO/2019/140418A1
Systems and methods to reduce magnetic flux in a welding -type switched mode power supply (100) are disclosed. It comprises: a transformer (214) configured to transform an input voltage (104) to a welding-type voltage; a capacitor (204) ...  
WO/2019/136578A1
A single-stage three-phase voltage type inverter circuit structure with a cascade magnetic integrated switch inductance-capacitance network, formed by sequentially cascading an input direct current power supply, a magnetic integrated swi...  
WO/2019/136574A1
The present invention relates to an external parallel-connected time-sharing selective switching voltage-type single-stage multiple-input low-frequency link inverter, the circuit structure thereof is constituted by one external parallel-...  
WO/2019/138550A1
A power conversion device of one embodiment performs power conversion between a DC circuit (4) and an AC circuit (2) and is provided with a plurality of leg circuits (8a, 8b, 8c) connected in parallel with each other between first and se...  
WO/2019/139216A1
The present invention relates to a pulse width modulation (PWM) control method and apparatus for keeping a direct current-side current constant in a three-level converter, which can control, according to a PWM scheme, such that a direct ...  
WO/2019/138620A1
When a control device comprising a plurality of control units controls a plurality of power converters for converting a DC power interposed by a plurality of smoothing filter capacitors to an AC power and each supplying the AC power to a...  
WO/2019/136576A1
The present invention relates to a series simultaneous power supply forward DC chopper-type single-stage multi-input high frequency link inverter. A circuit structure of the series simultaneous power supply forward DC chopper-type single...  
WO/2019/136577A1
The present invention relates to a multi-winding simultaneous/time-sharing power supply current type single-stage multi-input high-frequency link inverter. The circuit structure of the inverter is formed by connecting multiple high-frequ...  
WO/2019/136567A1
A series circuit includes a capacitor connected in series with a power converter output terminals. The power converter provides an auxiliary voltage and a controller controls the power converter auxiliary voltage according to a selected ...  
WO/2019/134123A1
A switch power supply circuit, comprising an alternating current power supply input terminal (10), a common-mode interference filter circuit (20), an alternating current rectifying circuit (30), a high-voltage electrolytic capacitor (C2)...  
WO/2019/134860A1
Method (1) for detecting an input channel configuration of a multi-channel inverter (100) having a plurality of input channels (CH1, CH2, CHi-1, CH1, CHN-1, CHN). Each input channel is electrically connected with a corresponding power co...  
WO/2019/135389A1
A smaller parallel-diode-bridge rectification circuit that suppresses current variations between individual diodes and can eliminate common mode noise. According to the present invention, alternating current i11 and alternating current i...  

Matches 251 - 300 out of 91,524