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Matches 1 - 50 out of 85,599

Document Document Title
WO/2018/070037A1
Embodiments of the present invention provide a power conversion system, a power supply system, and a power conversion apparatus that are capable of effectively utilizing power generated by a DC power generator and power charged to a powe...  
WO/2018/070110A1
This current sensor device is provided with: a bus bar (31); a sensor chip (330) in which a magnetoelectric conversion element is formed for detection of a current flowing in the bus bar; and a resin part (32) in which the bus bar and th...  
WO/2018/070270A1
Provided are: a power conversion device with which loss of respective semiconductor elements in a power conversion circuit can be reduced and the efficiency of a device controlled by the power conversion device can be improved; and a sys...  
WO/2018/071028A1
A power generation system for a drilling tool includes a turbine, an alternator, a converter and a first active rectifier control (ARC). The turbine is adapted to be driven by a fluid flow in a well. The alternator is coupled to the turb...  
WO/2018/070343A1
[Problem] To provide a semiconductor device with which parasitic inductance can be reduced and the heat dissipation effect can be increased by adopting a structure in which switching elements are not adjacent to each other in the stackin...  
WO/2018/069960A1
Provided is a power conversion device provided with a power converter, a DC capacitor, a voltage detector, a rectifier element, a magnetic contactor, and a control circuit. The power converter has a pair of DC terminals connected to a DC...  
WO/2018/070224A1
The present invention enables an over-modulation control with high controllability and low noise. This control device for an alternating current motor is provided with: an inverter 3 which drives an alternating current motor 4; and a con...  
WO/2018/068452A1
A method for reducing the power consumption of a power supply, a power supply automatically reducing power consumption, and a television. The power supply comprises: a voltage sampling circuit (310), an optical coupling feedback circuit ...  
WO/2018/068843A1
A controller controlling the phase of a third harmonic component of a control signal (Uv_ref_tot) used for forming a waveform on an AC terminal of a phase leg comprises a third harmonic delay determining module (18) operative to obtain a...  
WO/2018/070012A1
This power conversion apparatus 100-1 is provided with: a rectification unit 2 for rectifying an alternating-current voltage outputted from an alternating-current power supply 1; a booster circuit 30 for boosting an output voltage of the...  
WO/2018/070496A1
The present invention reduces the circuit size and stably reverses the polarity of voltage applied to a primary winding. A control unit (13) controls a converter unit (7) so as to prevent power from being transmitted between a transforme...  
WO/2018/071366A1
Described herein are power conversion systems and related techniques which utilize a coupled split path (CSP) circuit architecture. The CSP structure combines switches, capacitors and magnetic elements in such a way that power is process...  
WO/2018/067933A1
An AC power converter converts power from an AC power source to an AC load. A DC power holding source is coupled to an input half-bridge switch, a common half-bridge switch and an output half-bridge switch. A controller is coupled to at ...  
WO/2018/066070A1
Provided is a highly reliable power conversion apparatus, etc. A power conversion apparatus (100) is provided with: a power conversion circuit (10) that converts the generated power of a solar cell array (E) into AC power; a disturbance ...  
WO/2018/066311A1
[Problem] To provide a method for manufacturing a heat-dissipating unit simply and at low cost. [Solution] A method for manufacturing a heat-dissipating unit 12 comprises passing pins 17 through through-holes 16 in a first plate member 2...  
WO/2018/066087A1
In order to obtain a power conversion device that can be operated highly efficiently, the power conversion device is provided with three first power conversion cells (111, 121, 131) each converting input power and outputting the converte...  
WO/2018/066564A1
A drive device and drive method of a brushless motor are provided which are capable of suppressing noise occurring due to pulse shift processing. This drive device of a brushless motor is provided with one shunt resistor and a controller...  
WO/2018/066176A1
A power conversion device for performing power conversion between DC and AC is provided with: a conversion unit constituted by switching elements; an AC reactor connected to the AC side of the conversion unit; a current sensor for detect...  
WO/2018/066496A1
The present invention improves the dielectric breakdown resistance of a power module which comprises an SiC-IGBT and an SiC diode. This power module comprises an SiC-IGBT 110 and an SiC diode 111; and the film thickness of a resin layer ...  
WO/2018/066441A1
In the present invention a power supply system is equipped with: a rotary electric machine (21) capable of power generation and power running operations; a switching circuit unit (22) for energizing each phase of the rotary electric mach...  
WO/2018/061184A1
A generation circuit (21) is configured so as to generate an output voltage command value Vor* for an inverter (7) on the basis of a three-phase reference value Vr, a zero-phase reference value, a detected value of a current sensor (8), ...  
WO/2018/061546A1
The present invention is a control device for a power converter with which a ripple component in direct-current voltage can be suppressed. The power converter converts a direct-current voltage (Vdc) containing a ripple component (Vdch) i...  
WO/2018/059664A1
The invention relates to a system (1) for transmitting electrical power comprising a unidirectional rectifier (2) that can be connected to a first AC voltage network (3), a converter system (7) that is connected to the unidirectional rec...  
WO/2018/062395A1
A voltage detection circuit (33) is configured by a voltage dividing circuit comprising a plurality of resistors (34a-34c, 35a-35c), and detects voltage (Vac1, Vac2) correlating to a power supply voltage (Vin) of an alternating current p...  
WO/2018/058244A1
An induction-powered device for use in an alternating magnetic field comprises: a magnetically permeable core; an electrically conductive coil surrounding the core; and an electrical load electrically connected to the coil. The coil is c...  
WO/2018/061653A1
The present invention relates to an automotive electric power converting device that performs a phase difference operation, provided with a plurality of electric power converters, including a converter which converts received alternating...  
WO/2018/062511A1
[Problem] To provide a motor drive device that is able to reduce common-mode noise. [Solution] A motor drive device having a case CASE, a circuit substrate BD, a power supply connector, and a case connection part LNC connecting the circu...  
WO/2018/062324A1
Provided is a power supply system that comprises: a rotating electrical machine (21) that can perform power generation and power running; a switching circuit unit (22) that energizes the respective phases of the rotating electrical machi...  
WO/2018/061278A1
An electric motor drive control system (1) is provided with an electric motor drive control device (2) and a manual instruction device for provding a manual instruction to the electric motor drive control device (2). The electric motor d...  
WO/2018/059054A1
A current sampling and processing apparatus and method for an inverter. The method comprises: when the process of current sampling and processing initially starts, setting an initialization parameter and then starting a pulse width modul...  
WO/2018/061372A1
A power conversion device for a railroad vehicle according to one embodiment of the present invention is configured such that a first power conversion device for converting first DC power from a DC power source into AC power, and a secon...  
WO/2018/060414A1
The invention relates to a method for operating an inverter (1) and to an inverter (1) for converting a direct voltage (U DC ) into an alternating voltage (U AC ) with a specified grid frequency (f AC ) for supplying loads (12) and/or fe...  
WO/2018/061796A1
A power supply system (1A) is provided with: converter units (10a-10c) for generating a direct-current voltage Vout1 upon receiving an alternating-current voltage supplied from an alternating current power supply; and a rectifying/smooth...  
WO/2018/061286A1
Provided is a full-bridge inverter 2 in which a first leg 3 and a second leg 4 are connected in parallel, each leg comprising two switch elements connected in series, wherein the full-bridge inverter includes: a dual leg resonance mode i...  
WO/2018/061403A1
The present invention is provided with a current source (30) that can generate current of a first compensation amount (i1) for performing at least one of reducing harmonic current and improving the fundamental wave power factor of an air...  
WO/2018/059672A1
The present disclosure relates to a method of power unbalance compensation in a direct AC-to-AC Modular Multilevel Converter (MMC) (1) having a three- phase side connected to a three-phase AC network L having a first fundamental frequenc...  
WO/2018/061818A1
A power conversion device 100 comprises: a first inverter 120 that is connected to one end of each phase winding of a motor; a second inverter 130 that is connected to the other end of each phase winding of the motor; a first switching c...  
WO/2018/058603A1
A three-phase converter, connected between a direct-current system and an alternating-current system and used for performing conversion between a direct current and an alternating current. The three-phase converter comprises a switching ...  
WO/2018/062261A1
The present invention maintains a power buffer function and reduces a distortion from a sinusoidal wave in the waveform of an input current, even if the waveform of a buffer current is distorted from a sinusoidal wave. A duty calculation...  
WO/2018/061433A1
Provided is a control method that is intended for an inverter which is configured by a plurality of series circuits, each comprising two switching components, being connected in parallel with one another with respect to a capacitor conne...  
WO/2018/061077A1
Provided is a low cost power conversion device having little energy loss. A power conversion device (100) is provided with: an inverter (20), etc., that performs power conversion; voltage dividing capacitors (Cdc1, Cdc2) connected to a d...  
WO/2018/061287A1
The purpose of the present invention is to make it possible to estimate the temperature of a semiconductor element using a simple structure. To do that, there are provided: one or a plurality of semiconductor elements (104, 106); drive c...  
WO/2018/061342A1
The inverter device is provided with: a converter unit (21) for performing full-wave rectification of a three-phase alternating-current voltage and outputting a direct-current voltage containing a pulsating component having a frequency s...  
WO/2018/061424A1
A DC-DC converter 11 converts direct current power supplied from a solar cell 2 into direct current power having a different voltage, then, outputs the direct current power to a direct current bus 30. An inverter 21 converts, into altern...  
WO/2018/060572A1
The invention relates to a method for controlling a power factor correction circuit for a battery charging device on board an electrical or hybrid motor vehicle, of the type capable of being connected to a three-phase power supply networ...  
WO/2018/061554A1
In order to provide a power tool for which an increase in the size of the product can be prevented in a configuration wherein a reactor is provided in the current path of the motor, a power tool 1 is equipped with: a motor 6; a diode bri...  
WO/2018/061814A1
A power supply device comprises: a first power supply circuit; a first housing; a second power supply circuit; a second housing; a heat pipe; and a heatsink. The first housing contains the first power supply circuit, and the second housi...  
WO/2018/061352A1
Provided is a control device (71) controlling the operation of an active filter (6) that is connected in parallel with a load (2) at an installation point (P) with respect to an AC power supply (1) and supplies a compensation current (Ic...  
WO/2018/056213A1
Gates of semiconductor switching elements (16A, 16B) of the present invention are connected to a gate control wiring pattern (9). The gate control wiring pattern (9) is further connected to a gate control terminal (5) and a filtering ter...  
WO/2018/056046A1
Provided is a power conversion device 100 comprising: a first inverter 120 connected to one end of the windings M1, M2, M3 of each phase of a motor 200; a second inverter 130 connected to the other end of the windings of each phase; and ...  

Matches 1 - 50 out of 85,599