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Patent Searching and Data


Matches 1 - 50 out of 95,932

Document Document Title
WO/2021/005873A1
This power conversion device 30 is provided with: a power conversion circuit 40 for converting primary side power to secondary side power and supplying the secondary side power to a pump 20; and a control circuit 100 for causing the seco...  
WO/2021/005866A1
This electric power conversion device is provided with: a circuit board having a first ground that constitutes the ground of a first circuit and a second ground that is formed so as to be electrically separated from the first ground; a s...  
WO/2021/006601A1
The present invention relates to a power conversion device and a photovoltaic module comprising same. A power conversion device and a photovoltaic module comprising same according to an embodiment of the present invention comprise: an in...  
WO/2021/007288A1
Embodiments disclosed herein generally relate to line-powered wireless communications systems, and more specifically to methods and apparatus for providing persistent and ubiquitous wireless communications and sensor networks in physical...  
WO/2021/006765A1
The invention relates to the field of electrical engineering and can be used, in particular, for powering an active load in an economical regime. The technical result that can be achieved by implementing the invention is that of powering...  
WO/2021/005916A1
This semiconductor device (100) comprises: a first semiconductor element (1) and a second semiconductor element (2) which have electrodes formed on both sides thereof and which are configured to be mountable on a wiring board having wiri...  
WO/2021/006274A1
The present invention improves the voltage control accuracy of a grid interconnection device that supplies electrical power produced by a distributed power supply to an interconnection point. Provided is a grid interconnection device tha...  
WO/2021/005662A1
An abnormality diagnosis system that comprises: an inverter (1-1) that includes a logic circuit (7-1) that controls an electrical circuit that converts power, a first output terminal from which signals are outputted, a first input termin...  
WO/2021/006340A1
A control unit of this DC power supply device is configured to either simultaneously perform control to turn off a serial switching element and a conduction switch element, and then perform control to turn off a semiconductor switching e...  
WO/2021/001748A1
A system to provide power to a load. The system includes a first reactor and a second reactor. The first reactor is configured to provide power to a load and includes a first set of coils configured to receive an input power source and g...  
WO/2021/001931A1
This power conversion system is provided with a plurality of power conversion devices and a server connected to each of the plurality of power conversion devices. The plurality of power conversion devices are each provided with: a power ...  
WO/2021/002445A1
This power converter (10, 11) comprise: a dynamo electric machine (30) having armature windings (31 to 33); a first inverter (20) that connects a first end of the armature winding and a first storage battery (100); a second inverter (40)...  
WO/2021/001924A1
The present invention obtains a power module manufacturing method that can shorten the manufacturing time for a power module. This power module manufacturing method comprises: a subassembly positioning step in which a subassembly that ha...  
WO/2021/002200A1
This circuit board comprises a first layer having a first circuit and a second layer having a second circuit that is different from the first circuit. The first layer and the second layer are arranged to overlap each other. The second ci...  
WO/2021/001116A1
Galvanically Isolated Single-Phase or Multi-Phase Power Converter for conversion between alternating current and direct current, comprising - DC terminals and AC terminals, - a parallel circuit comprising a DC link capacitor and at least...  
WO/2021/002017A1
According to the present invention, a first leg (500) includes: a first switching circuit (SW1) disposed between a first node (a) to which a positive electrode of a DC power source (2) is connected and a second node (b); and a second swi...  
WO/2021/002020A1
An uninterruptible power supply device 100 is provided with: a first detection unit 31a which is provided on an input side of a power conversion unit 5 and detects a first detection value Vba, which is the value of a voltage or a current...  
WO/2021/002016A1
In the present invention, a first filter circuit (100) includes a first capacitor (3) arranged between a second node (b) and a first node (a) to which the positive electrode of a DC power supply (2) is connected, and a second capacitor (...  
WO/2021/002233A1
This control circuit is provided with: a voltage output circuit control unit which controls a voltage output circuit so as to apply a voltage corresponding to a second control signal across an electrostatic transducer when a first contro...  
WO/2021/001981A1
This power conversion device has: a smoothing capacitor for smoothing an output voltage from the outside; an AC conversion unit for converting the DC power of the smoothing capacitor to AC power; a control unit for controlling the AC con...  
WO/2021/002117A1
This control circuit comprises: a voltage output circuit control unit that, when a first control signal is at a first level, controls a voltage output circuit such that a voltage based on a second control signal is applied across both en...  
WO/2021/001888A1
A main circuit power supply device (100) is provided with: a plurality of voltage-dividing electricity accumulation elements (C1-C5) connected in series; voltage adjustment circuits (BC1-BC4) which adjust the voltage of each of the plura...  
WO/2021/001966A1
An inverter device (1-1), provided with: an inverter circuit (3) for converting a DC voltage into an AC voltage; a phase current detection unit (5) for detecting the phase current of the inverter circuit (3); and an inverter control unit...  
WO/2021/000253A1
A photovoltaic system (100) and a control method for the photovoltaic system (100). The photovoltaic system (100) comprises: a photovoltaic array (110); an inverter stage (130) comprising a DC-DC converter (131) and a DC-AC converter (13...  
WO/2021/001048A1
An electric power module system (1) for use in an electrically operated vehicle (21), comprising: - a base module comprising a cooling passage for fluid coolant and coolant connections for supplying fluid coolant to the cooling passage, ...  
WO/2021/001406A1
A vehicle electrical system (FB) is equipped with direct-voltage charging connection (GA), a storage battery (AK), a first DC-to-DC converter (W1) and an electric drive (I, M). The first DC-to-DC converter (GW) has a first side (1S). The...  
WO/2021/000620A1
The present application provides a high voltage direct current transmission conversion unit, a control method and device, and a system main circuit. The high voltage direct current transmission conversion unit comprises a first current s...  
WO/2020/261536A1
Provided is a semiconductor device which improves the insulation properties between a semiconductor module and a control circuit while avoiding an increase in size. A semiconductor device (10) equipped with a semiconductor module (120), ...  
WO/2020/263288A1
A multilevel converter system is provided. The multilevel converter system includes a multilevel converter and a short-circuit protection circuit. The multilevel converter includes a first segment and a second segment electrically connec...  
WO/2020/260239A1
System (120) for controlling a switching arm suitable for connecting a phase of a rotor or a stator (U, V, W) of a rotating electric machine (106) for a motor vehicle to a first electrical supply (102), the arm comprising a high side swi...  
WO/2020/259011A1
A power conversion module, a vehicle-mounted charger, and an electric vehicle, which may be used in the field of new-energy vehicles, wherein: the power conversion module comprises a power factor correction (PFC) module and a first direc...  
WO/2020/261556A1
Provided is a power conversion apparatus which converts direct current into alternating current, and comprises, between a positive electrode and negative electrode through which direct current is input, a positive electrode-side capacito...  
WO/2020/260886A1
A method and apparatus is described comprising: controlling a resonant circuit (14) of an aerosol generating device, the resonant circuit comprising an inductive element for inductively heating a susceptor arrangement (16) to heat an aer...  
WO/2020/260885A1
An apparatus and method is described comprising: a first switching arrangement (13) configured to generate an alternating current from a power source (11), said alternating current flowing through an inductive element of a resonant circu...  
WO/2020/261496A1
This power conversion device comprises: a voltage conversion circuit that converts a predetermined input voltage into a predetermined output voltage; a voltage detection circuit that detects the magnitude of the output voltage; and a con...  
WO/2020/261433A1
This semiconductor device (101) comprises: a first power supply terminal (1); a second power supply terminal (2); an output terminal (3); first switching elements (51a to 51c) connected between the first power supply terminal and the out...  
WO/2020/262051A1
An adjustment unit (60) adjusts apparent power at a power supply input terminal of an air conditioner (10). A control unit (80) controls the adjustment unit (60) based on information according to the target value of apparent power provid...  
WO/2020/264189A1
A flyback converter is disclosed that times a detection time for each cycle of a power switch transistor. The detection time ends when a sense resistor voltage exceeds a threshold voltage. Over a half cycle of an AC input voltage to the ...  
WO/2020/261751A1
This power conversion device comprises: a power converter including a switching element; and a control unit which controls the power converter. The control unit calculates a torque electric current detection value and an excitation elect...  
WO/2020/260884A1
A method, apparatus and computer program is described comprising: applying an impulse to a resonant circuit (14) comprising an inductive element (43), for inductively heating a susceptor (16), and a capacitor (46), wherein the applied im...  
WO/2020/262263A1
This environmental electricity generating device is provided with an energy converting element for converting environmental energy into electrical energy, an environmental sensor disposed in the same environment as the energy converting ...  
WO/2020/261384A1
A power conversion device (1) comprises: an inverter circuit (4) connected between positive and negative terminals of a DC power supply (3); three single-phase bridge circuits (5, 6, 7), each connected in series between a motor (2) and o...  
WO/2020/260883A1
An apparatus for a non-combustible aerosol generating device is described comprising: a resonant circuit (51) comprising one or more inductive elements (43) for inductively heating a susceptor arrangement (16) to heat an aerosol generati...  
WO/2020/261421A1
This state determination device comprises: an information acquisition unit for acquiring temperature information indicating the temperature of a semiconductor module; a storage unit for storing reference-time-differential-value informati...  
WO/2020/255558A1
Provided is a technique that is capable of preventing a sealing member that seals a semiconductor element from leaking from between a resin case and a heat dissipation body. A power conversion device (10) includes a heat dissipation body...  
WO/2020/255988A1
This rotating electric machine control system 100 controls an AC rotating electric machine in which two N-phase coil sets (8) are disposed in the same stator core, the rotating electric machine control system being provided with: a first...  
WO/2020/255338A1
This power conversion device is provided with a three-level inverter circuit and an inverter control circuit which drives the three-level inverter circuit according to a double-carrier modulation scheme. The inverter control circuit is p...  
WO/2020/255459A1
A power conversion device 100 provided with a three-phase bridge 103 for outputting a three-phase AC from a DC voltage, a plurality of DC link capacitors 101, 102 for dividing the DC voltage, and an auxiliary circuit 108 connected betwee...  
WO/2020/255528A1
Provided is an inverter system including a level-skip preventing control unit 3 which outputs a gate signal on the basis of a voltage level command V*, the gate signal driving an inverter 4. The level-skip preventing control unit 3 sets ...  
WO/2020/253846A1
The invention provides a high power density single-phase cascaded H-bridge rectifier, a control method, and a control system. The high power density single-phase cascaded H-bridge rectifier comprises an AC grid-side filter inductor and a...  

Matches 1 - 50 out of 95,932