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Matches 251 - 300 out of 90,265

Document Document Title
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 ...  
WO/2019/060148A1
The present disclosure describes aspects of power regulation with charge pumps. In some aspects, an integrated circuit (IC) includes multiple processor cores and a power input connected to an internal power rail of the IC. The IC may als...  
WO/2019/056320A1
Provided are 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 f...  
WO/2019/056783A1
The present invention discloses a converter control method applied in a voltage source converter. An AC side of the voltage source converter is connected to an AC system by means of a converter transformer, and a primary-side voltage and...  
WO/2019/058677A1
This malfunction diagnosis method involves diagnosing whether a power conversion device that supplies power to a motor is malfunctioning. The power conversion device comprises a plurality of switching elements. The plurality of switching...  
WO/2019/058878A1
The present invention appropriately suppresses a secondary harmonic component in a power conversion device. Therefore, the power conversion device is provided with: a transformer (20) having a three-phase primary winding (20a) connected ...  
WO/2019/053160A1
The invention relates to a method for charging an electric energy store (10) of a motor vehicle with electric energy from a vehicle-external charging station (14), in which the charging station (14) provides single-phase alternating elec...  
WO/2019/052941A1
The invention discloses an inverter (1) for an electric vehicle (36), comprising a plurality of voltage-controlled semiconductor switching elements (10, 11) and a controller (12) with a failure detection unit (30) configured to determine...  
WO/2019/053992A1
Provided is a power conversion device which is capable of identifying which of a plurality of switch elements has failed. This power conversion device is provided with: a first inverter 120; and a control circuit 300 which controls on/of...  
WO/2019/053943A1
The purpose of the invention is to obtain, in a control device for a synchronous electric motor that switches the drive control of the synchronous electric motor between PWM drive control and rectangular wave drive control, a configurati...  
WO/2019/054026A1
Provided is a power conversion device which is capable of executing failure diagnosis on conduction paths on the basis of voltage measurement results. This power conversion device is provided with: a first inverter 120; and a control cir...  
WO/2019/054160A1
The present invention backs up a main circuit power supply and a control power supply of a motor drive device. A first backup capacitor (100) is inserted between a rectifier (104) and a control power supply output terminal (101) that sup...  
WO/2019/053941A1
A solar battery power conversion device (2) controls reactive power to be output so that the voltage at an interconnection point becomes a first target effective voltage when the effective value of AC voltage at the interconnection point...  
WO/2019/053975A1
[Problem] To keep the power factor of an AC input high using a step-down AC/DC conversion circuit while outputting a high DC voltage. [Solution] An AC/DC conversion circuit 1 is provided with an input unit 11, an output unit 17, a first ...  
WO/2019/052804A1
The invention relates to a converter assembly for intermediate circuit coupling in drive networks. The circuit assembly comprises at least a first converter and at least a second converter, wherein the converters each have an intermediat...  
WO/2019/052875A1
The present invention discloses a control processing method for an inverter device having an H5 topological structure. The control processing method includes: when a power grid supplies power normally, using a unipolar H5 PWM modulation ...  
WO/2019/054585A1
A device for controlling thyristor firing by using a three-phase voltage ratio according to an embodiment of the present invention may comprise: a three-phase ratio waveform generator for generating a ratio waveform by calculating ratios...  
WO/2019/053974A1
This power conversion device is provided with: an inverter connected to the other ends of n (n is an integer of 3 or more) phase windings; a first phase separation relay circuit for switching connection/non-connection between a power sup...  
WO/2019/053329A1
Method for transmitting electric energy, the method comprising on the primary side (1) at least one charging energy source and at least one converter (4), and also on the secondary side (2) more than one electric energy storage (8) for t...  
WO/2019/052880A1
The present invention relates to a DC-DC converter (10), comprising a first DC port (10A) connectable to a DC source (B), a second DC port (10B) with a positive terminal (PT), a midpoint terminal (MT) and a negative terminal (NT) connect...  
WO/2019/053942A1
This semiconductor module is provided with a substrate, an auxiliary terminal component, and a main terminal component. A first component includes a first end located on the substrate side and a second end located on a side distant from ...  
WO/2019/051823A1
An electric motor and inverter assembly (100) used in an electric vehicle or a hybrid electric vehicle to drive the vehicle's wheels to rotate is disclosed. The electric motor and inverter assembly comprises: an electric motor (300), whi...  
WO/2019/049301A1
A converter (1) is provided with first to sixth arms (A1-A6) each including an IGBT (4), a first diode (D1), and a second diode (D2). The IGBT and the first diode are connected in reverse parallel to each other. The second diode is conne...  
WO/2019/049698A1
This power conversion device is provided with first and second semiconductor switch elements, an output unit, and a signal processing unit. The first semiconductor switch element includes a first switch portion which is connected in seri...  
WO/2019/049749A1
This inverter device (20) adjusting device (10): measures, in a state in which a dead time compensating function of an inverter device (20) is stopped, frequency-current gain characteristics when a current command value is a sweep sine w...  
WO/2019/049399A1
The present invention accurately detects temperature abnormality of a power module. This power conversion device that is equipped with a power semiconductor module having a switching element is provided with: a gate drive circuit, which ...  
WO/2019/049780A1
A semiconductor module bonding structure (4a) comprises: a semiconductor module (11) including a semiconductor element (12) and a positive electrode terminal (12p) serving as a plate-like power terminal electrically connected to the semi...  
WO/2019/049679A1
An output current synthesizer that synthesizes output currents output from a plurality of power inverter circuits converting direct current power to alternating current power and outputs the synthesized output currents as synthesized cur...  
WO/2019/046969A1
A continuous power distribution circuit board containing: i) A printed circuit board; ii) A universal power node; iii) At least one channel on the printed circuit board for passage of current, signal and combinations thereof throughout t...  
WO/2019/049284A1
[Problem] To provide a motor control device and an electric power steering device equipped with the same which can accurately perform temperature detection of an inverter with a low-cost configuration and no time delay, and which can per...  
WO/2019/049325A1
A first power converter 101a is connected to a first AC system ACS1 and mutually converts power between AC and DC. A second power converter 101b is connected to a second AC system ACS2 and mutually converts power between AC and DC, with ...  
WO/2019/049459A1
Provided is a method for controlling an inverter which enables a greater amount of electric current to flow through the inverter by appropriately suppressing the generation of heat by a switch element. This method for controlling an inve...  

Matches 251 - 300 out of 90,265