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POWER CONTROL CIRCUIT HAVING AN ERROR PREVENTION FUNCTION
A power control circuit includes a primary auxiliary winding, a startup module, a power control module, a rectifier module, and a clamping module. The primary...
PRECHARGING APPARATUS AND POWER CONVERTER
Precharging systems and methods are presented for precharging a DC bus circuit in a power conversion system, in which precharging current is connected through...
A transformer of distributed-constant type is provided between an AC power supply with a frequency f and a load with a resistance value R, and includes: a...
POWER CONVERSION DEVICE
A power conversion device that distributes input power to multiple outputs in accordance with power requirement of a load, using a plurality of magnetically...
CIRCUITS AND METHODS FOR REDUCING OUTPUT VOLTAGE OVERSHOOT OF SWITCH MODE
A switching mode power supply (SMPS) includes a transformer having a primary winding for coupling to an input power source, a secondary winding for providing...
SWITCHING POWER SUPPLY
A switching power supply includes: a transformer having a primary coil and a secondary coil; a switching element that is connected in series to the primary...
SWITCHING REGULATOR AND CONTROL METHOD THEREOF
A novel method to operate a switching regulator is presented. The method includes the generation of at least two reference signals. A first reference signal is...
POWER SUPPLY SYSTEM
An operation mode selection unit selects an operation mode of a power converter and generates a mode selection signal indicating the result of selection, in...
Low Output Ripple Adaptive Switching Voltage Regulator
A hysteretic switching regulator with low output ripple voltage is disclosed herein. A detector and controller is specifically used to adjust a parameter of...
PRECISE AND DYNAMIC CONTROL OF SYNCHRONOUS RECTIFICATION SWITCH VOLTAGE IN
A SWITCHED MODE POWER SUPPLY
A switched mode power supply, in some embodiments, comprises a synchronous rectification transistor switch including a gate, and it further comprises an output...
CLOCKED ELECTRONIC ENERGY CONVERTER
A clocked electronic energy converter may include an electronic switching element, at least two electrical energy storage devices, connections for connecting...
NEGATIVE REFERENCE VOLTAGE GENERATING CIRCUIT AND SYSTEM THEREOF
A negative reference voltage generating circuit generating a negative reference voltage is provided, including a differential amplifier, a first diode, second...
DC POWER SOURCE, AND DC POWER SOURCE CONTROL METHOD
A DC power source to supply DC power to a plasma generator is configured as a simple and small-sized device that forms high voltage for generating a plasma...
DECODE SWITCH AND METHOD FOR CONTROLLING DECODE SWITCH
A decode switch and a method for controlling a decode switch are provided. The decode switch includes a power source providing a first voltage, a source...
LOW VOLTAGE SWITCH CONTROL
Systems and methods are disclosed, including, for example, a low-voltage control circuit configured to receive a charge pump voltage, a rail voltage, and a...
CHARGE PUMP CIRCUIT AND METHOD OF CONTROLLING SAME
A charge pump circuit includes a plurality of branches coupled in parallel, each branch including a plurality of sub-blocks coupled in series, and each...
POWER SUPPLY DEVICE
According to one embodiment of the present invention, when a power supply device having first and second amplification units which share an energy storage...
TWO-STAGE CLOCKED ELECTRONIC EVERGY CONVERTER
A two-stage clocked electronic energy converter for transmitting an electrical power may include a first connection for connecting an electrical energy source,...
LOW-COST DRIVER CIRCUIT WITH IMPROVED POWER FACTOR
A driver circuit for powering a load is disclosed. The driver circuit includes an input for receiving for connection to a source of AC power, and a rectifier...
POWER CONVERSION DEVICE
A power conversion circuit for converting DC power supplied from a DC power supply to AC power; and a power conversion control section for controlling...
BACKFLOW PREVENTING DEVICE, POWER CONVERSION APPARATUS, MOTOR DRIVER, AND
REFRIGERATING AND AIR-CONDITIONING...
A backflow preventing device includes a backflow preventing element that is connected between a power supply and a load and that prevents electric current from...
HIGH FREQUENCY INVERTER/DISTRIBUTED GAP INDUCTOR-CAPACITOR FILTER
APPARATUS AND METHOD OF USE THEREOF
The invention comprises an inverter/converter yielding high frequency harmonics and/or non-sixty Hertz output coupled to a high frequency inductor-capacitor...
Systems and Methods for Increasing Output Current Quality, Output Power,
and Reliability of Grid-Interactive...
Various enhancements to grid-interactive inverters in accordance with embodiments of the invention are disclosed. One embodiment includes input terminals...
A node that stores a charge is discharged in two phases, starting with a current controlled phase where a current mirror sink controls the current sunk from...
Self-Powered Wireless Switch
A self-powered wireless switch includes at least one micro generator and a control panel for transmitting wireless control signals, the micro generator...
A vibration motor, comprising a base portion which expands perpendicular to a vertical center axis, a magnet portion which is securely mounted on an upper side...
SQUIRREL-CAGE ROTOR AND METHOD FOR MANUFACTURING SQUIRREL-CAGE ROTOR
A squirrel-cage rotor including a rotor which has a plurality of rotor slots on an outer circumferential portion thereof and in which secondary conductors...
Multiple winding design for single or polyphase electric motors with a
cage type rotor
An electric motor, with a cage type rotor, of single or polyphase design having a multiple winding design in a single stator core. Where the primary winding...
MOTOR AND WASHING MACHINE HAVING THE SAME
The present invention provides a motor and a washing machine including the same. The motor according to an embodiment of the present invention includes a hall...
A motor includes a cylindrical rotor housing that contains a rotor, a brush holder mounted to an opening of the rotor housing, an end plate, having an...
ELECTRIC MACHINE WITH COMBINED AIR AND WATER COOLING
An electric machine includes a housing having an air inlet opening near a front or rear end of the housing for aspirating air, and an air outlet opening for...
WHEEL DRIVE DEVICE
Provided is a wheel drive device that can suppress decrease in coil temperature detection accuracy and that can improve responsibility in controlling an...
COOLING OF AXIAL FLUX MOTORS - CENTRIFUGAL
The present invention provides an axial flux motor (10) having: a rotor (20) having a radially extending portion (20r) and an axially extending portion (20c)...
MOTOR WITH HEAT DISSIPATION STRUCTURE
A motor includes a substantially cylindrical housing, a rotor assembly, a cover, and a cooling fan. The cooling fan is installed at one end of a rotating shaft...
ELECTRICAL MACHINE AND CONTROLLER AND METHODS OF ASSEMBLING THE SAME
An electrical machine includes a fan guard having a first air flow channel. A stator assembly is coupled to the fan guard and includes a stator yoke having a...
POWER TOOL AND CIRCUIT BOARD
A power tool and a printed circuit board for use therewith. The power tool has an electric motor and a power source. The printed circuit board assembly has a...
ELECTRIC POWER TOOL AND MOTOR CONTROL METHOD THEREOF
An electric power tool includes a motor, a power supply circuit for supplying power to the motor, and a control device which is able to measure current of the...
ACTUATION DEVICE FOR A CLUTCH DEVICE
An actuation device for a clutch device is provided having a magnetic field brake with a brake stator and a brake rotor. This magnetic field brake can be...
INJECTION MOLDED BLANK FOR LEAD SCREW, ROTOR-BLANK ASSEMBLY AND METHOD FOR
A motor rotor-blank assembly for a motor is provided. The rotor-blank assembly includes a rotor including a plurality of rotor anti-rotation features; and a...
MOTOR SHAFT, MOTOR AND MOTOR ASSEMBLY
A motor shaft is configured to be press-fitted into a hole formed in a press-fitted component from a front end side in an axial direction. The motor shaft...
A drive device includes a motor, a substrate arranged perpendicular to a motor shaft on one axial end of the motor and having a conductive connection portion,...
ROTATING ELECTRICAL MACHINE FOR A VEHICLE
A rotating electrical machine for a vehicle includes a rectifier fixed to a fixing portion of a casing. The rectifier includes a heat sink to which a rectifier...
STATOR POLE INSULATOR
A machine includes a rotor and a stator disposed about an axis. The stator includes a ring disposed about the axis. A plurality of poles each extend radially...
SUPERCONDUCTING ELECTRICAL MACHINE WITH COMPLIANT WINDING SUPPORT
A superconducting electrical machine includes a stator and a rotor configured to rotate in a cavity defined by the stator. The rotor and the stator each...
ROTOR FOR ROTARY ELECTRIC MACHINE
A rotor (1) for a rotary electric machine includes a rotor core (2) including a first core portion (20) having a plurality of core pieces (5, 6) joined...
ELECTRICAL GENERATOR WITH ROTATIONAL GAUSSIAN SURFACE MAGNET AND
A treble quantum dot strip array comprising a red, a green and a blue photon transparent stationary colloidal epoxy suspension volume strip segment each...
PERMANENT MAGNET ROTOR WITH INTRUSION
Exemplary embodiments advantageously enable use of the structure of an interior magnet machine to emulate the function of a synchronous reluctance machine. In...
ROTOR ASSEMBLY FOR AN ELECTRIC MACHINE
A rotor assembly (40) for an electric machine including a core (42) having at least one post (44) about which a winding may be wound, and a cap (52) coupled to...
BRUSHLESS ELECTRIC MOTOR WITH AN OUTER ROTOR
A brushless electric motor with an outer rotor on which permanent magnet elements are arranged, and a stator which has electromagnetic stator poles, wherein...
An electrical machine includes a casing including a base wall provided with a projection projecting from the base wall towards the inside of the casing. A...