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Matches 651 - 700 out of 89,977

Document Document Title
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 ...  
WO/2018/167249A1
The invention relates to a welding current source (1) for providing a welding current (I) and a welding voltage (U) at an output (2) in order to carry out an arc welding process, comprising an input-side rectifier (3), an inverter (4), w...  
WO/2018/166074A1
An intelligent power module (4100) and an air-conditioner. The intelligent power module comprises a power drive circuit, an adjustment circuit and a current sampling circuit. The current sampling circuit is connected to the power drive c...  
WO/2018/166650A1
The invention relates to a method (34) for operating a first converter (4) and a second converter (6), each of which has a bridge circuit (16) having switchable semiconductor switches (18). The switchable semiconductor switches (18) of t...  
WO/2018/169223A1
Disclosed are a wireless power system having a self-voltage-controlled rectification apparatus, and a communication method thereof. A wireless power system according to one embodiment comprises: a reception resonator for self-resonating ...  
WO/2018/168924A1
A semiconductor device comprising: a first substrate; a second substrate; a plurality of first mounting layers; a plurality of second mounting layers; a plurality of power supply terminals; an output terminal; a plurality of relaying con...  
WO/2018/166846A1
A grounding arrangement for a Voltage Source Converter (VSC) in a power transmission system is provided. The VSC comprises at least one converter branch (20) comprising at least one module (221-22N),each module comprising a plurality of ...  
WO/2018/168656A1
The purpose of the present invention is to provide a power conversion device which enables high-accuracy detection of non-connection between the electric power conversion device and an electric motor regardless of a load state. To achiev...  
WO/2018/168948A1
A voltage compensation device according to one embodiment of the present invention is provided with: a power converter that supplies a compensation voltage for compensating for a phase voltage of a power system to a transformer connected...  
WO/2018/168328A1
According to the present invention, a damage determination apparatus for a power semiconductor switching element is provided with: a resistor that is connected to the gate of the power semiconductor switching element; a comparison unit t...  
WO/2018/167981A1
An inverter control device (100) for controlling an inverter (1) for driving a motor (2) is provided with: a motor rotational speed calculation means (5) for calculating motor rotational speed; a Vs calculation means (7) for calculating ...  
WO/2018/162192A1
The invention relates to a method for operating an inverter (130) for a drive system (100). The inverter (130) is designed to electrically couple a direct-current source (110) to a drive device (120) of the drive system (100). The method...  
WO/2018/163591A1
A power conversion device 100 having: a first and a second inverter 110, 140, which can be connected to at least one of a first and a second coil group 210, 220; a first separation relay circuit 120 connected to the first inverter; a sec...  
WO/2018/165079A1
A power distribution system including a first power module and a second power module. The first power module including a first power input receiving an input power, a first transformer receiving the input power and outputting a transform...  
WO/2018/163582A1
Provided is a power conversion device with which it is possible, even when a DC fault current flows through an AC-system side, to reduce the fault current passing through an AC breaker and safely and quickly cut the fault current. A powe...  
WO/2018/164000A1
According to the present invention, voltage boosting of a converter is stopped when an abnormality occurs in an input to the converter, and after the abnormality is resolved, the voltage boosting of the converter is started under the con...  
WO/2018/163524A1
A dump truck (1) is provided with a ground-fault detection device (22) for detecting a ground-fault detection voltage V0, which is a difference between a detection voltage Vp between a positive electrode line (18A) of a DC bus bar (18) a...  
WO/2018/163643A1
Provided is a portable electric tool having a satisfactory weight balance in a configuration in which a reactor is provided in a current pathway of a motor. A portable cutting machine 1 comprises: a motor 6; a motor housing 11 accommodat...  

Matches 651 - 700 out of 89,977