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Matches 701 - 750 out of 90,280

Document Document Title
WO/2018/181332A1
The objective of the present invention is to reduce noise in the audible band generated in a rotating electrical machine in accordance with a carrier frequency, while suppressing a deterioration in the overall electrical efficiency of an...  
WO/2018/177389A1
The present solution relates to the field of LEDs, and provides an LED constant-voltage current-sharing system. In the present solution, the system comprises a plurality of current-sharing modules, a plurality of direct-current power sup...  
WO/2018/177732A1
The present invention relates to a 3-level power module (6) comprising a baseplate (8), a 3-level inverter circuit (1a), the 3-level inverter circuit (1a) being arranged on the baseplate (8), and a phase output connector (9a). The object...  
WO/2018/176114A1
The present invention relates to a method for recovering electrical energy and to an electrical energy recovery system which uses said method for recovering electrical energy within the power grid itself, by means of an electrical circui...  
WO/2018/180435A1
A power conversion device (2) is provided with an inverter circuit (220) and a control unit (221). The inverter circuit (220) converts, into AC power, DC power inputted from a DC line (DC1) to which a DC power supply device (3) for outpu...  
WO/2018/179145A1
Provided is a power conversion device in which an inverter (10) for each of three arms (A1 to A3) is controlled so that a circulation current (Iz) through the three arms (A1 to A3) becomes a command value (Izrt) during a test period (tim...  
WO/2018/183595A1
A power supply circuit includes a matrix converter that converts a first to third input alternating current (AC) phases into a single primary phase, a transformer including a primary side electrically connected to the single primary phas...  
WO/2018/179716A1
In the present invention, a DC-DC converter 11 converts the voltage of DC power output from a power generation device that generates power on the basis of renewable energy, and the DC-DC converter outputs the converted DC power to a DC b...  
WO/2018/181212A1
A high-side transistor MH is provided between an input line 102 and a switching line 104. A high-side driver 122 drives the high-side transistor MH. A first capacitor C1 is provided between the switching line 104 and a lower-side power s...  
WO/2018/181506A1
According to the present invention, a compressor electric motor is caused to generate preheat. The path of an integral value over time of a unit voltage vector constituting a voltage vector serving as a unit which is a constituent of an ...  
WO/2018/179712A1
A power conversion device 10 in which an inverter 13 converts direct-current power to alternating-current power and supplies the alternating-current power to a load 5 or a system 4. Control circuits 14, 15 control the inverter 13. The co...  
WO/2018/180361A1
The motor (10) according to an embodiment is provided with a first inverter (110) connected to one end of the winding of each phase and a second inverter (140) connected to the other end of the winding of each phase. The first and second...  
WO/2018/180360A1
The motor (10) according to an embodiment is provided with a first inverter (110) connected to one end of the winding of each phase and a second inverter (140) connected to the other end of the winding of each phase. The first inverter (...  
WO/2018/181727A1
In this method for manufacturing a semiconductor device (101), a plurality of first temporary fixture parts (3) are supplied onto the surface of a substrate (1) to be scattered at intervals. A first solder layer (4), which is processed i...  
WO/2018/178163A1
The invention relates to a high voltage transformer (1) comprising a primary circuit having a primary winding (101), a secondary circuit having at least two secondary windings (301a, 301b), which are connected in series and decoupled by ...  
WO/2018/180889A1
The present disclosure addresses the problem of providing a power conversion device, a power conversion system, and a DC power supply device in which the degree of freedom of a place for installing the DC power supply device can be incre...  
WO/2018/180237A1
This power conversion apparatus is provided with: a first inverter; a second inverter; and a switching circuit that has a first switch element and a second switch element, wherein, in a state where potentials at a first node on the high ...  
WO/2018/180275A1
[Problem] To realize an AC/DC conversion circuit that suppresses sudden potential changes at an output end. [Solution] An AC/DC conversion circuit 100-700C comprises: an input unit 1; a conversion circuit 3; and an output unit 5. The inp...  
WO/2018/180897A1
The present invention obtains an inverter unit provided with a switching element unit and a capacitor unit and having a reduced wiring impedance. The capacitor unit 4 has a first portion 41 having a first length L1 that is the length in ...  
WO/2018/178711A1
A turbogenerator power electronics system for use with a turbogenerator is described, wherein the turbogenerator power electronics system comprises a plurality of power electronics subsystems connected in parallel, each power electronics...  
WO/2018/179031A1
A vehicle power conversion device (2) is provided with: a housing (3), in which an electronic component (6) is housed, and an opening (7) is formed; and a cooling device (1). The cooling device (1) is provided with: a base (10), which is...  
WO/2018/181541A1
Provided is a drive device comprising a switching control unit that switches the drive state of a first rotating electric machine (10) and a second rotating electric machine (20) to a serial drive state and at least one of a parallel dri...  
WO/2018/181945A1
A rotary electric machine (20) is provided with: a stator core; and a coil (30) that is wound on the stator core. The coil (30) is provided with a first coil part (31) and a second coil part (32) that are electrically insulated from each...  
WO/2018/180328A1
In the present invention, a brake device 1 has: an inverter 12 for driving an electric motor 11; an inverter actuation circuit 15 for actuating the inverter 12; a power supply 3 for supplying electric power to the inverter actuation circ...  
WO/2018/179713A1
A power conversion device 10 in which an inverter 13: is connected, via a direct-current bus 40, to a DC-DC converter 21 that converts the voltage of direct-current power that is outputted by a direct-current power supply and outputs the...  
WO/2018/179773A1
The purpose of the present invention is to improve the reliability of a power conversion device with respect to electromagnetic noise. A power conversion device according to the present invention comprises: a power semiconductor circuit ...  
WO/2018/179714A1
In a power conversion device 10, an inverter 13 is connected, via a DC bus 40, to a DC-DC converter 21 that converts the voltage of DC power outputted from a DC power source and that outputs the converted DC power to the DC bus 40. The i...  
WO/2018/184015A1
A system includes a rectifier having an input configured to receive a variable AC input voltage and convert the AC input voltage to a rectified output voltage. A power converter has an input coupled to receive the rectified output voltag...  
WO/2018/173457A1
In the event an abnormality occurs in a dynamo-electric machine drive system that drives a dynamo-electric machine provided in the power transmission path to wheels, the present invention quickly reduces the rotational speed of the dynam...  
WO/2018/171767A1
Provided are a five-level low-common-mode leakage current single-phase photovoltaic grid-connected inverter and a photovoltaic grid-connected system using said inverter. The inverter comprises an H-bridge circuit (2), an AC bypass switch...  
WO/2018/173469A1
A motor system has a first solid-state relay and a second solid-state relay that are disposed sequentially from an inverter toward an in-vehicle battery and are connected in series between the inverter and the in-vehicle battery, said in...  
WO/2018/171766A1
The present invention relates to a method for suppressing common-mode current of intermediate line of t-shaped three-level three-phase inverter. Said method is employed as a modulation signal for modulating the T-shaped three-level three...  
WO/2018/175824A1
An apparatus includes a first winding and a second winding on a core and having first taps coupled in common to a first node of an inverter circuit. The apparatus further includes a switching circuit configured to selectively couple a se...  
WO/2018/172049A1
The invention relates to a converter (1) having an extractable diode rectifier and such a diode rectifier, which comprises at least one carriage (9,9') and a cabinet (10, 10') for receiving the carriage (9,9'), wherein at least one elect...  
WO/2018/170717A1
A power supply circuit having an adjustable output voltage, said power supply circuit having an adjustable output voltage comprising: a bridge rectifier module (100), a pulse-width modulation (PWM) rectifier control module (200), a step-...  
WO/2018/173379A1
In order to configure a power conversion device to have a small size and a small weight while inhibiting accumulation of dust, this power conversion device comprises a housing (100) having formed therein a first compartment (SP1) accommo...  
WO/2018/171769A1
A Z-source network active neutral point clamped five-level photovoltaic grid-connected inverter system, comprising a Z-source network (1) which is connected with a direct current bus connected with a photovoltaic cell panel, and an activ...  
WO/2018/173154A1
A plurality of semiconductor elements constitute a power converter (4). Radiators (71, 72) carry the plurality of semiconductor elements and exchange heat with the semiconductor elements. A capacitor unit (1) is electrically connected in...  
WO/2018/173144A1
In this power conversion device, the operation of an inverter (10) is stopped when a fault occurs in a power system (1) and the DC voltage (VDC) of a capacitor (15) included in a unit converter (5) exceeds a protection level (VH), the DC...  
WO/2018/173424A1
A power conversion device that comprises: a first inverter that is connected to ends of a first coil group; a second inverter that is connected to ends of a second coil group; a separation relay circuit that is connected to other ends of...  
WO/2018/174470A1
A heat dissipating device for a power converting module, according to an embodiment, comprises: a housing; a substrate disposed in the housing; a heating element which is disposed in the housing and is connected to the substrate; a first...  
WO/2018/172671A1
The invention concerns a method for controlling an AC/DC converter (1 ) which comprises n power cells Ci, and wherein: - each power cell comprises an AC/DC input converter (In i) and an isolated DC/DC converter (Conv_i); - each input con...  
WO/2018/171782A1
A T-type active clamp five-level three-phase inverter, comprising three identical T-type active clamp five-level bridge arms. Each T-type active clamp five-level bridge arm comprises: a first line, a second line, a third line, and a clam...  
WO/2018/173425A1
A power conversion device that comprises: a first inverter that is connected to ends of m coil groups (m being an integer that is at least 3); a second inverter that is connected to other ends of the m coil groups; m-1 separation relay c...  
WO/2018/173117A1
A power supply circuit that generates DC voltage from AC voltage and comprises: a rectifier circuit that rectifies the AC voltage; a capacitor that smooths the rectified voltage; a first switch element arranged upon a path that charges t...  
WO/2018/173364A1
A bridgeless PFC circuit (100) is provided with: a boost inductor (L) for storing energy from an input power supply (IP) and converting low-voltage high-current to high-voltage low-current; switches (Q1, Q2) for performing a switching op...  
WO/2018/172309A1
The invention relates to an electrical DC voltage system which is coupled to at least one AC voltage network (1). A supply circuit (5) is used to convert three-phase AC voltage into DC voltage which supplies a DC voltage system. The latt...  
WO/2018/167954A1
A temperature estimation device (100) calculates a first estimation temperature (41A) of a reactor (3) on the basis of a reference estimation temperature (21A) given by a first delay time (T1) and the output from a temperature change amo...  
WO/2018/168946A1
A voltage compensation device according to one embodiment of the present invention is provided with: input terminals; output terminals; a power converter that includes current paths oriented from the input terminals to DC terminals; a fi...  
WO/2018/168116A1
A power conversion device diagnosis circuit is provided with: a noise current detection unit 119 for detecting a noise component superimposed on a DC power line of a power conversion device 10 that is configured by including a plurality ...  

Matches 701 - 750 out of 90,280