Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 89,876

Document Document Title
WO/2019/068437A1
The invention relates to a direct-current transmission system (1) comprising at least one DC line (9, 11) for electrically connecting a first current converter (3) to a second current converter (5). The DC line is a DC overhead line (9, ...  
WO/2019/066233A1
An embodiment relates to a controller and a motor assembly comprising same, the controller comprising: a substrate; a controller housing disposed on the substrate; a CM filter unit disposed between the substrate and the controller housin...  
WO/2019/064929A1
According to the present invention, a base plate 11 of a base member 10 has a first main surface 11a and a second main surface 11b that is on the reverse side of the first main surface 11a. The base member 10 has a plurality of stud memb...  
WO/2019/064900A1
A control device which comprises a three-phase inverter that drives a motor, and which is provided with a circuit board and a plurality of power elements that are mounted on the circuit board and constitute the three-phase inverter. This...  
WO/2019/063304A1
The invention relates to a resonant DC chopper (1) having a first power converter (11) and a second power converter (12), wherein: the power converters (11, 12) have a DC voltage side and an AC voltage side; the AC voltage sides of the f...  
WO/2019/064831A1
The objective of the invention is to prevent a drop in reliability due to detachment of an insulation layer from another member in a power semiconductor device. This power semiconductor device comprises a power semiconductor element, a c...  
WO/2019/064874A1
The present invention suppresses a size increase of a control signal substrate, while suppressing current unbalance of control signals to be transmitted to power semiconductors. A power conversion device relating to the present invention...  
WO/2019/061153A1
An adapter (11), a charging cable (13), and a charging apparatus (10). The adapter (11) comprises a first output interface (H1), wherein the first output interface (HI) comprises a first power supply pin (1), a pair of first data transmi...  
WO/2019/064766A1
The present invention provides a power conversion device equipped with two inverters, wherein when energizing the winding of a certain phase, the current induced in the winding of another phase is reduced. The power conversion device 100...  
WO/2019/064873A1
The purpose of the present invention is to reduce the size of a power semiconductor device and improve the reliability thereof. A first opening size of a flow path joined to a front surface of a power module is created with a small toler...  
WO/2019/064749A1
A fault diagnosis method of the present disclosure diagnoses a fault of an H bridge and is used in a power conversion device which is provided with at least one H bridge and converts power from a power supply to power to be supplied to a...  
WO/2019/064829A1
The present invention provides a power conversion device with which it is possible to detect failure of a switch element of an inverter in a shorter amount of time. This power conversion device 1000 comprises a first inverter 120, a seco...  
WO/2019/063078A1
The invention relates to a submodule for a modular multilevel converter, comprising a first and a second module connection for integrating the submodule into the modular multilevel converter, a first series circuit comprising two energy ...  
WO/2019/065754A1
The present invention provides a generator output power control circuit that has a simple configuration and is capable of easily and quickly controlling output power of a rotary-machine-type generator in accordance with the output voltag...  
WO/2019/065184A1
An inverter module (10) which is provided with: a plurality of switching elements (11); a positive electrode bus bar (14); a negative electrode bus bar (15); and a plurality of output bus bars (16, 17, 18). The plurality of output bus ba...  
WO/2019/064705A1
This power conversion device (101) includes a conversion circuit (1) constituted by a plurality of arm circuits (6) and a bypass circuit (30). The bypass circuit (30) includes a full-wave rectifier circuit (37), a positive side connectio...  
WO/2019/064748A1
A fault diagnosis method of the present disclosure diagnoses a fault of an H bridge having 4 switch elements. The fault diagnosis method includes: an acquisition step for acquiring a current/voltage represented in a dq coordinate system,...  
WO/2019/064830A1
Provided is a power conversion device with which it is possible to sense a fault in a switching element of an inverter in a reduced amount of time. The power conversion device 1000 is provided with a first inverter 120, a second inverter...  
WO/2019/066234A1
One embodiment relates to a controller and a motor assembly comprising same, the controller comprising: a controller housing; a controller cover disposed at an opening of the controller housing; a DM filter unit disposed over the control...  
WO/2019/065420A1
This power conditioner is provided with: a PV converter 2 which boosts a direct current input voltage; an inverter 3 which converts the boosted voltage output from the PV converter into an alternating current voltage; a grid interconnect...  
WO/2019/063514A1
The present disclosure provides a busbar (100), comprising:an insulating body (110); and a busbar conductor (120, 130, 140) comprising a conductor body partially encapsulated by the insulating body and a connection terminal (121, 131, 14...  
WO/2019/064725A1
Provided is a power conversion device capable of detecting failure of switching elements in inverters in a shorter period of time. A power conversion device 1000 according to the present disclosure comprises: a first inverter 120; a seco...  
WO/2019/063214A1
The invention relates to a power converter (1) having a rectifier (12), a DC link (21) with at least one DC link capacitor (14), and an auxiliary power supply (30). To improve the precharging, the invention proposes that the auxiliary po...  
WO/2019/066021A1
According to the present invention, fail-safe control is properly performed even when one of switching elements of an inverter is off-circuited. This inverter control device (20) controls an inverter (10) that is connected to a direct cu...  
WO/2019/064833A1
The present invention reduces the inductance of a noise filter circuit and obtains a high output performance. Positive/negative-electrode power side conductors each have a first conductor portion and a second conductor portion which are ...  
WO/2019/064402A1
The purpose of the present invention is to suppress a decrease in temperature cycle life of a wire in a 2-in-1 type chopper module. The 2-in-1 type chopper module (141, 142, 143) of the present invention is provided with: a switching tra...  
WO/2019/065096A1
An inverter unit (1) is provided with an inverter module (10) and a capacitor module (20). The capacitor module (20) has: a first portion (21) having a first height (H1); and second portions (22), which are disposed on both sides of the ...  
WO/2019/065550A1
The present disclosure addresses the problem of applying a ground voltage to an electrode of a distributed power supply. This system interconnection system (100) is provided with an inverter (3). The inverter (3) is connected between a d...  
WO/2019/063303A1
The invention relates to a modular converter (1) having a connection assembly (2), a control assembly (3), a supply assembly (4), a rear wall assembly (5), and a load assembly (6). An input and an output signal (7, 8) and an input and an...  
WO/2019/065882A1
According to the present invention, when a dynamo-electric machine (80) is in a state of rotation while a contactor (9) is in an open state, an inverter (10) is controlled so as to suitably stop the operation of the inverter (10). An inv...  
WO/2019/064361A1
This uninterruptible power supply device is configured such that, in an inverter power supply mode and a bypass power supply mode, respective phase differences between first to third carrier wave signals (CS1-CS3) for a converter (1) and...  
WO/2019/065859A1
According to the present invention, a power conversion device having a plurality of switching elements (Su, Sv, Sw, Sx, Sy, Sz) is provided with a control unit (40) for controlling a switching operation. In a waveform obtained by extract...  
WO/2019/056317A1
A power supply circuit (10), a power supply device, and a control method. The power supply circuit (10) comprises a primary rectification unit (11), a modulation unit (12), a transformer (13), a secondary rectification and filtering unit...  
WO/2019/059487A1
The present invention relates to an energy storage system. An energy storage system according to an embodiment of the present invention relates to an energy storage system for managing a grid and power of a direct current (DC) power dist...  
WO/2019/058670A1
This malfunction diagnosis method involves diagnosing whether a switching element that is provided to an electrical apparatus and is repeatedly switched on and off is malfunctioning. The malfunction diagnosis method includes: a step for ...  
WO/2019/057245A1
The invention relates to a series resonant power-converting device for electrochemical stored energy sources, comprising a series resonant unit containing a resonant inductor and a resonant capacitor arranged in series with said resonant...  
WO/2019/057771A1
The invention relates to a converter for transmitting electrical energy between a direct current voltage (DC) system and an alternating current voltage system, comprising a positive DC input voltage rail (1) and a negative DC input volta...  
WO/2019/056178A1
The present invention discloses a servo drive switch power supply and a servo drive. The switch power supply comprises: an input rectifying and filtering circuit, an integrated monolithic power circuit, a primary transformer winding, a s...  
WO/2019/060401A1
A method comprises during a first half cycle, configuring a first switch to operate as an always-on switch, turning on a second switch prior to turning on a third switch and turning off the third switch prior to turning off the second sw...  
WO/2019/058675A1
This malfunction diagnosis method involves executing, for each of a plurality of switching elements: a step for determining whether the current flowing in the switching element when the switching element has been controlled to be in an o...  
WO/2019/059510A1
A unit power cell of an inverter system, according to one embodiment of the present invention, comprises: a first leg including first and fourth switching elements, which are connected in series to each other, second and third switching ...  
WO/2019/058676A1
This malfunction diagnosis method involves executing, for each of a plurality of switching elements: a step for determining whether the voltage at the switching element when the switching element has been controlled to be in an on state ...  
WO/2019/059292A1
The present invention reduces the amplitude of current ripple on the primary side of a power supply device using a plurality of transformers. A driving power supply device (7) supplies power to a plurality of drive circuits (2) for separ...  
WO/2019/058473A1
In a semiconductor device (100), a heat dissipating surface-side skirt section, i.e., a frame-shaped protrusion, is provided on a heat dissipating surface (2b) of a lead frame (2). Consequently, the creeping distance is increased with a ...  
WO/2019/058671A1
This malfunction diagnosis method involves diagnosing whether a switching element that is provided to an electrical apparatus and is repeatedly switched on and off is malfunctioning. The malfunction diagnosis method includes: a step for ...  
WO/2019/058454A1
This power semiconductor device is provided with: a semiconductor chip; a first electrode connected to the semiconductor chip; a second electrode, which is connected to the semiconductor chip, and which has a potential that is different ...  
WO/2019/058668A1
The motor control method according to the present disclosure obtains the n (n is an integer of 3 or more) phase currents of a first inverter, the GND current of the first inverter, the n phase currents of a second inverter, and the GND c...  
WO/2019/058428A1
This solar photovoltaic power generation system is provided with a plurality of solar cell arrays, a plurality of power conditioners connected respectively to the plurality of solar cell arrays, and a higher-level device connected to the...  
WO/2019/056318A1
A power supply circuit (10), a power supply device, and a control method. The power supply circuit (10) comprises a primary rectification unit (11), a modulation unit (12), a transformer (13), a secondary rectification and filtering unit...  
WO/2019/058672A1
This malfunction diagnosis method involves diagnosing whether a switching element that is provided to an electrical apparatus and is repeatedly switched on and off is malfunctioning. The malfunction diagnosis method includes: a step for ...  

Matches 151 - 200 out of 89,876