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Patent # Description
2018/0302009 MOTOR CONTROL APPARATUS, MOTOR CONTROL METHOD, AND PROGRAM
A motor control apparatus that controls a stepping motor includes a calculation unit configured to determine a time with respect to a distance based on a...
2018/0302008 POLYPHASE ELECTRIC MOTOR CONTROL DEVICE
A polyphase electric motor control device stores a first threshold as a duty cycle at which noise caused by a high potential-side switching element starts to...
2018/0302007 BIDIRECTIONAL CONVERSION CIRCUIT AND BIDIRECTIONAL CONVERTER
Disclosed is a bidirectional conversion circuit, including a first bidirectional conductive network, a second bidirectional conductive network, a first...
2018/0302006 A BIDIRECTIONAL POWER CONVERTER
Some embodiments are directed to a three-phase power converter for converting power between a power grid network and a battery that includes a three-phase grid...
2018/0302005 EQUIVALENT TRANSISTOR AND THREE-LEVEL INVERTER
This disclosure relates to an equivalent transistor and a three-level inverter, and pertains to the field of power electronics technologies. The equivalent...
2018/0302004 AC/DC Converter for feeding non-linear high-power loads (e.g. Electrolyzers) with reducing current harmonics
A new converter is disclosed, for reducing current harmonics in three phase AC network, during the conversion of AC to DC for power supplying the high-power...
2018/0302003 POWER CONVERTER
Since a power converter including a modular multilevel converter uses a large number of cells each combining a plurality of switching elements and a DC...
2018/0302002 Systems and Methods to Estimate Magnetic Flux in a Switched Mode Power Supply
Systems and methods to estimate magnetic flux in a switched mode power supply are disclosed. An example welding-type power supply includes a switched mode...
2018/0302001 POWER CONVERSION APPARATUS
A power conversion apparatus including a transformer, a synchronous rectification (SR) transistor and an SR control circuit is provided. A first terminal of a...
2018/0302000 SYSTEM AND METHOD FOR CONTROLLING POWER CONVERTER WITH ADAPTIVE TURN-ON DELAY
A method for controlling a power converter includes generating a load detection signal in response to a conduction signal and a driver input signal, and...
2018/0301999 AUTOMATIC CONTROL OF SYNCHRONOUS RECTIFIER TURN-OFF THRESHOLD
A Synchronous Rectifier (SR) controller circuit includes a dead time evaluation circuit, an offset voltage controller circuit, an off threshold control...
2018/0301998 SYSTEM AND METHOD FOR POWER CONVERSION
A polarity-selectable high voltage direct current power supply including a first drive assembly that transforms a first low voltage DC input into a first...
2018/0301997 CONVERTER
A converter includes a switching circuit, a resonant circuit, a rectifying circuit, and a transformer including a primary winding, and a secondary winding. The...
2018/0301996 SWITCHING POWER SUPPLY APPARATUS AND SEMICONDUCTOR DEVICE
A switching power supply apparatus includes a PFM control circuit that outputs a clock signal Set such that a switching frequency of a switching element varies...
2018/0301995 POWER CONVERTER AND CONTROL METHOD THEREOF
A power converter includes a primary-side switching circuit, a resonant circuit, a transformer, a secondary-side rectifying circuit, and a processing circuit....
2018/0301994 CONTROL CIRCUIT AND METHOD FOR PROGRAMMING AN OUTPUT VOLTAGE OF A POWER CONVERTER
A power converter determines a feedback signal according to a voltage signal related to an output voltage of the power converter and a reference voltage,...
2018/0301993 CONTROL CIRCUIT AND METHOD FOR PROGRAMMING AN OUTPUT VOLTAGE OF A POWER CONVERTER
A power converter determines a feedback signal according to a voltage signal related to an output voltage of the power converter and a reference voltage,...
2018/0301992 METHOD AND SYSTEM FOR CONTROLLING RECTIFIER
A method and a system for controlling a rectifier can obtain a predicted switching interval. The method includes steps of: receiving frequency information and...
2018/0301991 SMART GROUPING CONTROL METHOD FOR POWER CONVERTER SWITCHING NOISE MANAGEMENT
A switching power converter is provided that cycles a power switch during a group pulse mode of operation to produce a train of pulses within a group period...
2018/0301990 HIGH SIDE SIGNAL INTERFACE IN A POWER CONVERTER
A power converter controller includes a high side signal interface circuit that includes a common mode cancellation circuit that is coupled to generate a...
2018/0301989 POWER CONVERTER
A power converter is basically provided with at least three switching circuits, at least one power source, at least one load, and a resonant circuit. Input...
2018/0301988 HIGH-EFFICIENCY HOLDUP CIRCUIT FOR SWITCH-MODE POWER SUPPLY
Apparatus and associated methods relate to continuously providing power to a load throughout an interruption of a power source. While the power source is...
2018/0301987 MULTIPHASE CONVERTER
A configuration is realized that can subject, when operation of a multiphase conversion unit starts, voltage conversion units to control of gradually...
2018/0301985 CONVERTER DIGITAL CONTROL CIRCUIT WITH ADAPTIVE COMPENSATION
A control circuit for a voltage regulator includes a digital compensator having adaptive compensation to permit operation over different operating conditions....
2018/0301984 POWER CONVERTER
A power converter includes: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electrical power...
2018/0301983 POWER CONVERTER
Provided is a power converter including: a power module that converts direct-current electric power from a power storage apparatus and alternating-current...
2018/0301982 DRIVER CIRCUIT AND CORRESPONDING METHODS
Driver circuits are disclosed having a high-side switch and a low-side switch. A pre-charging circuit is provided to pre-charge the low-side switch. In other...
2018/0301981 Self-coupled power supply ripple rejection circuit and method
The invention provides a self-coupled power supply ripple rejection circuit and method, the circuit includes a coupled inductor, a balanced capacitor, an input...
2018/0301980 POWER MANAGEMENT UTILIZING A BLOCKER STAGE
The present disclosure relates to power management apparatuses, systems, and methods utilizing a blocker stage. A power management apparatus may include a...
2018/0301979 CIRCUIT BOARD, ACTIVE FILTER DEVICE, AND AIR CONDITIONER
A circuit board accommodates a plurality of different source voltages. On the circuit board, a printed wire which constitutes a circuit is formed, a first...
2018/0301978 SEMICONDUCTOR DEVICE AND ACTUATOR SYSTEM
A semiconductor device includes a plurality of H-bridge circuits and a logic circuit which is commonly used for the plurality of H-bridge circuits. The logic...
2018/0301977 SEMICONDUCTOR DEVICE AND CONTROL METHOD THEREOF
The invention addresses providing a semiconductor device that enables to reduce noise simultaneous with switching. A driver IC which is a semiconductor device...
2018/0301976 POWER SUPPLY AND RESIDUAL VOLTAGE DISCHARGING METHOD
A power supply includes a transformer winding, a switching circuit, a controller and a filter circuit. The transformer winding is configured to provide a first...
2018/0301975 FLYBACK POWER CONVERTER CIRCUIT WITH ACTIVE CLAMPING AND ZERO VOLTAGE SWITCHING AND CONVERSION CONTROL CIRCUIT...
A flyback power converter circuit includes: a transformer including a primary side winding coupled to an input power and a secondary side winding coupled to an...
2018/0301974 FLYBACK POWER CONVERTER CIRCUIT WITH ACTIVE CLAMPING AND ZERO VOLTAGE SWITCHING AND CONVERSION CONTROL CIRCUIT...
A flyback power converter circuit includes: a transformer, including a primary winding coupled to an input power and a secondary winding coupled to an output...
2018/0301973 POWER MODULE
A power module including first and second switching elements connected in a half-bridge configuration, an integrated circuit including high-side and low-side...
2018/0301972 POWER SUPPLY APPARATUS
According to one embodiment, when an effective value of an input current flowing into a booster circuit rises to a value greater than or equal to a second set...
2018/0301971 RING-SHAPED BONDED MAGNET, VOICE COIL MOTOR AND METHOD OF MANUFACTURING VOICE COIL MOTOR
A voice coil motor includes a disk-shaped lower yoke, three columnar pole yokes provided on one surface of the lower yoke, a integrally molded ring-shaped...
2018/0301970 Electric Linear Motor and Testing Device
An electric linear motor having a motor housing which is penetrated by an armature recess, in which a first magnet arrangement is accommodated in a stationary...
2018/0301969 VIBRATORY ACTUATOR, WEARABLE TERMINAL, AND INCOMING CALL NOTIFICATION FUNCTION DEVICE
The purpose of the present invention is to provide a vibratory actuator the size of which can be reduced and which effectively produces vibrations felt by a...
2018/0301968 DOUBLE STATOR PERMANENT MAGNET CURSOR LINEAR MOTOR AND DESIGN METHOD FOR INCREASING MAGNETIC FIELD MODULATION...
Disclosed is a double-stator linear vernier permanent magnet (DS-LVPM) motor and method to increase the magnetic field modulation effect. The motor contains a...
2018/0301967 MIRRORING OF HIGH ROTOR POLE SWITCHED RELUCTANCE MACHINES
A high rotor pole switched reluctance machine (HRSRM) employs an axial and radial mirroring concept and is represented by a first Multiple Rotor Pole (MRP)...
2018/0301966 METHOD FOR PRODUCING A SHORT CIRCUIT ROTOR AND SHORT CIRCUIT ROTOR
A method for producing a short circuit rotor, by providing a laminated rotor core with through openings for shorting bars of a squirrel cage as well as...
2018/0301965 WINDING METHOD FOR ELECTRIC MOTOR STATOR, ELECTRIC MOTOR STATOR, AND FAN ELECTRIC MOTOR
A winding method for an electric motor stator includes at a start of winding of the coil, a first step for forming a two-turn winding portion by winding a...
2018/0301964 WIRE FORMING APPARATUS FOR ELECTRIC MACHINE WINDING
A wire forming apparatus comprises a first rack moveable relative to a second rack in a first direction, a plurality of first forming structures provided on...
2018/0301963 SLOT LINER FORMING APPARATUS, METHOD, AND SYSTEM
A slot flaring apparatus is presented herein. The slot flaring apparatus includes a base and flaring tool. The base is configured to receive and secure a...
2018/0301962 BRUSH HOLDER APPARATUS HAVING BRUSH TERMINAL
A brush holder apparatus has a stationary support member having two opposing grooves, a fork electrical connector, and a conductive bar passing through a main...
2018/0301961 AN ELECTRIC MOTOR
An electric motor is provided comprising a rotor unit, a stator unit, a housing, and a bearing mechanism. The rotor unit rotates about a vertical center axis....
2018/0301960 MOTOR AND ELECTRIC EQUIPMENT WITH THE SAME
A motor includes a rotor and a stator. The stator includes a stator core, stator windings wound around the stator core and a circuit board fixed relative to...
2018/0301959 Circuit Board, Non-Drive End Shield, Motor Kit, and Electric Motor
A circuit board to be mounted in a non-drive end shield of an electric motor has a converter formed on the circuit board. The circuit board is divided into a...
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