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Matches 1 - 50 out of 97,061

Document Document Title
WO/2021/090520A1
A power conversion device (100) comprising a power conversion unit (3) for converting input power to output power, and a connector (2) for an external connection, said power conversion device (100) further comprising: wiring (10) connect...  
WO/2021/090477A1
A semiconductor control device 1 is provided with: gate drive units (2, 3) that drive respective elements (QH, QL); and a current detector 20 that directly or indirectly detects a current (Imu) flowing through an intermediate terminal (T...  
WO/2021/090603A1
A sensor unit (700) has: a first coupling busbar (711) to a seventh coupling busbar (717) connected to a switch module; a base part (721) that couples the busbars; a plurality of electromagnetic conversion units that detect the currents ...  
WO/2021/088273A1
A display device and a compensation circuit. The display device comprises a display screen, a sound reproduction device and a power supply circuit. The power supply circuit comprises a rectification circuit and a compensation circuit. Th...  
WO/2021/090524A1
The power conversion device 1 is provided with: a power conversion circuit 10 for generating the drive power for an electric motor 3; a command generation unit 111 for calculating a voltage command on the basis of a frequency command, an...  
WO/2021/090393A1
A gate drive circuit (36) of an uninterruptible power supply device generates first and second gate drive signals (VG1, VG2) in response to first and second PWM signals (Au1, Bu1) and alternately turns on first and second IGBTs (Q1, Q2)....  
WO/2021/091765A1
A multi-level converter includes a flying capacitor and a resistive voltage divider. The multi-level converter is configured to convert an input voltage into an output voltage. The resistive voltage divider is configured to charge a flyi...  
WO/2021/090437A1
In a power conversion device according to an embodiment of the present invention, an erroneous mounting suppression mechanism is provided in a housing and an inverter module and restricts movement of the inverter module in a first direct...  
WO/2021/090132A1
A method for driving a unidirectional current through an electrical load, such as one or more LED modules by applying thereto a PWM-modulated signal (Vpwm) that swings between a high value (Von) and a low value (Voff) envisages choosing ...  
WO/2021/090679A1
This electric power conversion device (20) is provided with: power wires (30P, 30N); an inverter (40) which includes switching elements (42) and which is connected to one end of a coil (15); an inverter (50) which includes switching elem...  
WO/2021/091269A1
An induction heating apparatus comprises: a coil; an inverter configured to provide a driving current to the coil; a current sensor for measuring the driving current of the coil; and a control unit for controlling the inverter so that th...  
WO/2021/090731A1
This control device for an electric motor 200 cooled by a dielectric coolant 300 circulated by a pump 310 is provided with: a current command calculation unit 10 for calculating a current command on the basis of a torque command for the ...  
WO/2021/090837A1
This power conversion device (100) has: a plurality of ports (10, 20, 30) installed in a casing (60); a plurality of conversion circuits (13, 23, 33) electrically connected to said ports (10, 20, 30); and a plurality of coils (17, 27, 37...  
WO/2021/090522A1
Provided are a power conversion device and a press apparatus that can prevent an overcurrent in a DC link capacitor. This power conversion device 10 comprises a voltage doubler rectifier circuit 12. In the voltage doubler rectifier circu...  
WO/2021/090108A1
A power converter controller includes an analog to digital converter (ADC) to generate a digital representation of a feedback signal of a power converter, the feedback signal being received from a compensator of the power converter and b...  
WO/2021/082220A1
A three-phase grid-connected inverter, a control system thereof and a control method therefor. The inverter is a three-phase three-leg grid-connected inverter, and a filter capacitor is connected to a negative electrode of a DC input bus...  
WO/2021/082477A1
The present invention relates to the field of control, and in particular, to a control algorithm for suppressing the current harmonics of a four-quadrant converter, specifically, a method for suppressing the low-order current harmonics o...  
WO/2021/084584A1
The converter (1) is provided with a power module (21), a smoothing capacitor (22), a bus line current detection unit (25), and a control unit (26). The power module (21) rectifies AC voltage supplied from an AC power supply (3) and outp...  
WO/2021/085759A1
The present invention relates to an uninterruptible power supply (UPS) system and, more specifically, to a static transfer switch (STS) that can be applied to a UPS module, the static transfer switch comprising: one semiconductor rectify...  
WO/2021/085177A1
A rotating machine control device (10) is capable of driving a multi-phase rotating machine (800) and a plurality of direct-current rotating machines (710, 720). First terminals (T1) which are one ends of the plurality of direct-current ...  
WO/2021/081967A1
Embodiments of the present application disclose a rectifier, a charging system, and an electric vehicle, which are used for reducing the cost of the rectifier while achieving highly efficient conversion. Comprising: an alternating curren...  
WO/2021/085475A1
This current sensor comprises: an element that is in a high-resistance state when the absolute value of current flowing between a first end and a second end is within a first range, the element changing to a low-resistance state having a...  
WO/2021/085763A1
The present invention relates to an inverter mounting structure having improved ease of assembly and durability, and capable of simplifying the structure of an inverter. According to one aspect of the present invention, provided is an in...  
WO/2021/085178A1
This rotating machine control device (10) is capable of driving a multi-phase rotating machine (800) and a DC rotating machine (710). A first terminal (T1) that is one end of the DC rotating machine (710) is connected to a phase current ...  
WO/2021/084566A1
Converter device configured to convert direct voltage and current into alternating voltage and current to be supplied to a load (L). The converter device comprises a bank (11) of capacitors (12), a plurality of power semiconductors (13),...  
WO/2021/083500A1
A method of monitoring condition of a modular multilevel converter, wherein the modular multilevel converter comprises submodules having a capacitor and controllable switches. The method comprising selecting a submodule, lowering the vol...  
WO/2021/085439A1
A cooling control device (60) comprises: an inverter control unit that controls the switching of an inverter (21) in order to drive a rotating electrical machine (20); and a cooling control unit that, on the condition that switching cont...  
WO/2021/085026A1
A power conversion device for supplying power to each phase of a three-phase motor is provided, equipped with: a booster circuit unit which is connected to a DC power supply and which boosts the input voltage inputted from the DC power s...  
WO/2021/084926A1
This control power supply device 100 is provided with: a power supply board 2 which is housed in an electrical component box 1 formed from a non-combustible material; a first power supply unit PS1 which is provided on the power supply bo...  
WO/2021/084847A1
This power conversion system is provided with a fixed pulse pattern modulation unit 2 for generating a gate signal g on the basis of a command modulation rate d and a control phase θ, with reference to a table in which a pulse pattern, ...  
WO/2021/087135A1
A fan controller for a ceiling fan is provided. The fan controller includes one or more switching devices configured to selectively couple the ceiling fan to a power source. The fan controller further includes a power meter circuit and o...  
WO/2021/084852A1
A power conversion device (1) is provided with three semiconductor modules (10) each having a semiconductor element (11), and a capacitor module (20) electrically connected to the three semiconductor modules (10), wherein each of the thr...  
WO/2021/083501A1
A method of monitoring condition of a modular multilevel converter, wherein the modular multilevel converter comprises submodules having a capacitor and controllable switches. The method comprising selecting a submodule, con-trolling the...  
WO/2021/084821A1
Provided are a compressor, a monitoring system, and a method of monitoring a compressor, which can monitor the remaining life of a semiconductor element of a motor control device while reducing processing load. This compressor (1) comp...  
WO/2021/079735A1
The present invention provides a semiconductor device equipped with a MOSFET with a built-in Zener diode and capable of achieving both improvement in surge withstand capability and low on resistance. A semiconductor device equipped with ...  
WO/2021/078241A1
An inverter with a plurality of input interfaces, relating to the field of electronic technology. The inverter comprises: a direct current input interface (31) comprising a first direct current input interface (311) and a second direct c...  
WO/2021/078863A1
There is provided an AC-DC converter circuit (100) for high power charging of an electrical battery. The circuit comprises an input rectifier comprising a first node and a second node. The input rectifier (110) is configured to receive a...  
WO/2021/079919A1
Provided is a power conversion device for converting input alternating-current power supplied from an alternating-current power supply into output alternating-current power of a predetermined voltage and frequency. The power conversion d...  
WO/2021/080588A1
A switching circuit for an electric vehicle (EV) includes a first leg of the switching circuit, including a first switch and a second switch, that receives a first phase of three-phase alternating current (AC) electrical power; a second ...  
WO/2021/079593A1
Provided is a power supply device in which the output voltages of unit power converters can be controlled to be substantially constant even when the loads of the respective unit power converters are different from each other. The power s...  
WO/2021/077763A1
Disclosed are a vehicle-mounted charging and discharging system and a method. The system comprises: an alternating-current interface, an isolation switching switch, a first converter, a second converter, a high-voltage battery interface,...  
WO/2021/078532A1
An inverter circuit receives an AC input signal and uses at least two bidirectional switches between the input terminals and a junction node to perform the electrical inversion function. A resonant circuit is formed by a primary side ind...  
WO/2021/079832A1
A control system (100, 100a, 100b) for an electric moving body (500) and comprising a plurality of electric drive systems (10), each having a motor (19) which rotationally drives a rotor blade or a screw and an inverter device (11) which...  
WO/2021/080016A1
An electronic device (100) for use with electric motors comprises: a circuit board (101); an electrical connector wire (150) disposed roughly in the center of the circuit board and connected to a power source; a plurality of motor connec...  
WO/2021/078242A1
The present application relates to an inverter having multiple input interfaces, belonging to the technical field of electronics. The inverter comprises a direct current input interface and a control assembly; the control assembly contro...  
WO/2021/074254A1
The present invention relates to an aerosol-generating device for generating an aerosol by inductively heating an aerosol-forming substrate. The invention further relates to an aerosol-generating system comprising such a device and an ae...  
WO/2021/076151A1
An example electronic device includes a controller to determine a user touch detection by a power adaptor coupled to the electronic device to operate the electronic device in an AC power mode. The power adaptor may comprise a proximity s...  
WO/2021/073721A1
The invention concerns a switching circuit (15) as or for a voltage source converter comprising a string of series-connected switches comprising a first and a second switch (S1, S2), a string of capacitors comprising at least one capacit...  
WO/2021/069183A1
The invention relates to a charging device (100), comprising: an input-side first terminal (110_1, 110_2) for connecting to an electrical energy source (200); an output-side second terminal (190_1, 190_2) for connecting to a battery (300...  
WO/2021/069261A1
A method for controlling an electrical converter system (10) comprises: determining a switching signal (u*abc) and a reference trajectory (Υ*αβ) of at least one electrical quantity of the electrical converter system (10) over a horizo...  

Matches 1 - 50 out of 97,061