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ASSEMBLY AND METHOD FOR DISCHARGING HIGH-VOLTAGE CIRCUIT OF POWER INVERTER
An assembly and a method for discharging a high voltage circuit of a power inverter which can automatically detect, when connection to the power inverter is...
SYSTEM AND METHOD FOR OPTIMIZING FUNDAMENTAL FREQUENCY MODULATION FOR A
CASCADED MULTILEVEL INVERTER
A system and a method for optimizing fundamental frequency modulation in a cascaded multilevel inverter (CMI) are provided. The CMI includes at least a first...
SYNCHRONOUS RECTIFIER AND CONTROL CIRCUIT THEREOF
A synchronous rectifier includes: a rectifying circuit including transistors, the rectifying circuit being configured to generate rectified power by rectifying...
RECTIFIER CIRCUIT INCLUDING A SELF-CLAMPING TRANSISTOR
A rectifier circuit is described, which includes a cathode terminal, an anode terminal and, between the cathode terminal and the anode terminal, an electronic...
ENERGY-SAVING POWER SUPPLY APPARATUS
An energy-saving power supply apparatus includes a bridge rectifier, a diode bypass circuit and a control circuit. The diode bypass circuit is electrically...
INPUT VOLTAGE DETECTION CIRCUIT AND POWER SUPPLY INCLUDING THE SAME
Provided are an input voltage detection circuit and a power supply including the same. The power supply includes a rectifier circuit configured to generate a...
CONVERTER ARRANGEMENT HAVING MULTI-STEP CONVERTERS CONNECTED IN PARALLEL
AND METHOD FOR CONTROLLING THESE
A method for controlling a plurality of multi-level converters, which are closed in parallel at alternating-voltage connections thereof and which each have a...
Power Supply of transformer and light string therewith
A power supply of a transformer outputs alternating current (AC) and direct current (DC) and contains: a housing and a lid for covering a first end of the...
AC-AC POWER SOURCE CONVERSION DEVICE AND CONVERSION METHOD THEREOF
An AC-AC power source conversion device, comprising a rectifier circuit (10), an active power factor correction circuit (20), an automatic charge pumping...
A resonant converter includes: a transformer including a first primary winding, a second primary winding and a secondary winding, each primary winding having a...
Apparatus and Efficiency Point Tracking Method for High Efficiency
A method comprises connecting a first resonant converter and a second resonant converter in parallel, detecting a first signal indicating a first soft...
POWER CONVERSION DEVICE
A power conversion device includes a potential variation suppression portion having first and second ground capacitors and a reactor, for suppressing a...
POWER DEVICE FOR DELIVERING POWER TO ELECTRONIC DEVICES AND METHODS OF
An energy efficient apparatus includes a switching device, a frequency dependent reactive device, and a control element is provided. The switching device is...
Power Converters And Methods For Reducing Voltage Changes At An Output Of
A Power Converter
Example switching power converters and methods for reducing voltage changes at an output of a power converter are generally disclosed. According to one aspect,...
Circuits and Methods Providing Three-Level Signals At A Synchronous Buck
A circuit including: a three-level buck converter having: a plurality of input switches and an inductor configured to receive a voltage from the plurality of...
SWITCH CONTROL CIRCUIT AND BUCK CONVERTER INCLUDING THE SAME
A buck converter includes a power switch having one end to which an input voltage is transferred, a synchronous switch connected between the other end of the...
SOFT-START CIRCUIT AND BUCK CONVERTER COMPRISING THE SAME
A buck converter includes a power switch having a first end to receive an input voltage, and a soft start circuit configured to compensate a soft start voltage...
SWITCH CONTROL CIRCUIT AND BUCK CONVERTER COMPRISING THE SAME
A buck converter includes a power switch having a first end to receive an input voltage, a synchronous switch connected between a second end of the power...
SWITCHING POWER SUPPLY DEVICE
A switching power supply device includes a switching output circuit, an error amplifier, a slope voltage generating circuit, a PWM comparator, a logic circuit,...
Current Distribution in DC-DC Converters
A DC-DC converter includes a substrate having opposing first and second sides, a power stage attached to the first side of the substrate and having active...
System and Method for Starting a Switched-Mode Power Supply
In accordance with an embodiment, a method of operating a switched-mode power supply (SMPS) includes starting up the switched-mode power supply by determining...
SEMICONDUCTOR DEVICES AND METHODS FOR DEAD TIME OPTIMIZATION
Switching control devices and related operating methods are provided. An exemplary electronic device includes a semiconductor die, a driver arrangement on the...
DC-DC CONVERTER WITH DIGITAL CURRENT SENSING
A regulated DC-DC switching converter includes a bypass mode in which ends of an output inductor are coupled together. Circuitry determines output capacitor...
A buck converter is described having a buck converter output for outputting an output supply voltage; a first power supply domain operably coupled to a power...
SWITCH CONTROL CIRCUIT AND CONVERTER INCLUDING THE SAME
Provided is a buck converter. The converter includes a power switch configured to receive and switch an input voltage and convert the input voltage into an...
CLOCK FREEZING TECHNIQUE FOR CHARGE PUMPS
Methods and systems for generating voltages greater than a supply voltage are described. A charge pump system may generate a boosted output voltage greater...
POWER FACTOR CORRECTION CIRCUIT AND POWER SUPPLY DEVICE
A power factor correction circuit includes: a coil and MOSFETs that boost an input voltage to generate a boosted voltage; a first capacitor having one end...
HIGHLY-EFFICIENT POWER FACTOR CORRECTION CIRCUIT AND SWITCHING POWER
When a standby signal is High, a Comp_stb signal that is overlapped with an AC waveform is output from an AC-COMP combining circuit in a COMP signal changing...
PULSE WIDTH MODULATION CONTROLLER ARCHITECTURES
Systems, apparatuses, and techniques for pulse width modulation (PWM) are described. A described system includes a circuit that contains an inductor and a...
SWITCHING POWER CONVERTER WITH ADAPTIVE POWER FACTOR CORRECTION
A switching power converter is provided that provides an adaptive power factor correction using a peak constant current mode and also a constant on time mode...
Integrated Circuit and Switching Power-Supply Device
A switching power-supply device has an inductor, a switching element serially connected to the inductor, a control circuit, which controls on and off of the...
APPARATUS AND METHOD FOR IN-SITU CHARGING OF SUPERCONDUCTORS
An apparatus and method for charging a superconductor, such as a high temperature superconductor (HTS), in-situ, including a superconductor that is magnetized...
MAGNETIC SPIRAL BEVEL GEAR
A magnetic spiral bevel gear including a frustoconical housing with a rotational axis and magnets arranged around an outer surface of the frustoconical...
FLAT VOICE COIL MOTOR
A flat voice coil motor, including a coil unit and two primary magnetic pole units exerting an Ampere force on the coil unit. The coil unit includes a small,...
PERMANENT MAGNET LINEAR ACTUATORS
An electromagnetic actuator including: a core comprising a material having a high magnetic permeability relative to air; an array of coils sequentially...
Stator and EPS Motor Having the Same
Disclosed is a stator of an EPS motor, the stator including a stator core wound by a coil and provided in a cylindrical shape by coupling of a plurality of...
STATOR AND STATOR MANUFACTURING METHOD
A stator includes a stator core and an insulator. The insulator includes a main body and a wall. An adhesive is attached to a portion of a triangular gap...
DYNAMOELECTRIC MACHINE MAIN LEAD SERVICING
Various embodiments include approaches for servicing a dynamoelectric machine main lead. Some embodiments include a method of servicing a main lead in a...
SGENX-1000A ROTOR LIFTING DEVICE
A lifting tool for lifting a rotor associated with a generator so as to allow a rotor bearing to be removed from a bearing pedestal beneath the rotor. The tool...
Motor Temperature Monitoring
The disclosure relates to a temperature monitoring assembly for monitoring the windings of a motor, comprising at least one temperature sensor or thermal...
Cooling Structure of Electric Motor
A cooling structure of an electric motor comprising a rotor, a stator provided with a wound stator coil, and a housing accommodating the rotor and the stator,...
SUPERCONDUCTING GENERATORS AND MOTORS AND METHODS FOR EMPLOYING SAME
A superconducting electrical generator or motor having a plurality of cryostats is described. The cryostats contain coolant and a first cryostat encloses at...
HYBRID MODULE AND POWER ELECTRONICS MODULE WITH A SHARED COOLING STREAM
A hybrid module for a hybrid drive unit, where the hybrid module may have a stream of coolant flowing through it, which also flows through a power electronics...
BRUSHLESS ELECTRICAL MACHINE WITH AIR COOLING
It is designed for operation as alternator and motor-alternator for mobile vehicles, as servomotor, as electric motor for electric cars and others. It has...
Systems and Methods for Improved Heat Transfer from Rotor Coils
Systems and methods according to various embodiments direct air flow to rotor coils. This cooling air increases heat transfer from the coils to improve the...
PEDAL GENERATOR ASSEMBLY
A generator assembly for converting human generated mechanical energy into electrical power for charging at least one rechargeable device is provided herein....
TRANSIENT ABSORBER FOR POWER GENERATION SYSTEM
A vehicle energy harvester including a subunit having an upper surface forming a roadway surface; a vehicle activated treadle on the subunit, the vehicle...
A power tool includes a stator having a coil, a sensor circuit board attached to the stator and on which a magnetic sensor is provided, the sensor circuit...
A rotary actuator includes a connector housing with a hollow tube, a separate motor housing clipped to one side of the connector housing, and a separate gear...
An electric machine may include a housing, a stator arranged in the housing, and a rotor arranged in the stator and mounted on the housing so as to be...