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Feed-in/feedback converter with phase current transform
A method of controlling a frequency converter comprises steps for measuring phase currents flowing in a three-phase supply network, for generating a first...
An inverter device includes an inverter circuit, which has switching elements in a bridge connection, a capacitor, which is connected in parallel to the input...
In a filter capacitor including three capacitor elements including a first capacitor element at an end on one side in an electrical connection form and a second...
Control method for DC to AC converter
A control method for a DC to AC converter, selectively operating in a continuous conduction mode and a discontinuous conduction mode is disclosed. In the...
Method and apparatus for controlling a multilevel soft switching power
A system for controlling a multilevel soft switching power converter including a DC bus, a pair of switching arms, and a controller is disclosed. The DC bus has...
High power converter with low power transistors connected in parallel
A system for converting a first electric voltage into a second electric voltage, comprising: at least two input terminals and two output terminals; and...
Technologies for interleaved control of an inverter array
An apparatus to deliver an alternating current (AC) power may include a controller having a processor and a memory. The apparatus may also include a plurality...
Capacitor input type smoothing circuit
A pulsating circuit suppling a pulsating voltage to a load when a capacitor is not discharged, and a control circuit which controls discharging the capacitor....
System and method for driving a transistor
In accordance with an embodiment, a circuit for driving a control terminal of a switching transistor includes a driver having an output configured to be coupled...
Capacitive level shifter devices, methods and systems
Systems and methods of use relate to a circuit that is designed to detect the state of two control signals, wherein one control signal indicates an ON state for...
Activation apparatus and method for activating a direct voltage converter
The invention relates to an activation apparatus (20) for a galvanically decoupled direct voltage converter having a synchronous rectifier, comprising a signal...
Method and apparatus for controlling output voltage of DC-DC converter
An output voltage control method and apparatus are provided. The method includes sensing output voltages of a DC-DC converter and a high-voltage battery and...
Resonant converters and methods
A multilevel LLC resonant converter comprises a resonant tank connected in series with a primary side of a transformer, a first switch and a second switch...
Power supplying apparatus and method for supplying power to the varying
Disclosed is an apparatus for supplying power to a device. The apparatus includes a transformer configured to output a predetermined voltage to a device varying...
Method of forming a power supply controller and structure therefor
In one embodiment, a method of forming a power supply controller includes forming the power supply controller to receive an input signal that is representative...
Current sensing apparatus for resonant tank in an LLC resonant converter
An apparatus comprises a magnetic device coupled to an inductor-inductor-capacitor (LLC) resonant converter, an ac current sensing circuit coupled to the...
Controlling a multi-mode switching converter
Systems and methods for controlling a switching converter using a duty cycle associated with either a buck mode or a boost mode of the switching converter. More...
Adaptive control scheme of voltage regulator for light and sinking load
A switching DC-DC voltage regulator (VR) provides for light and sinking loads by compute components of an information handling system (IHS). A controller...
Switching regulator using adaptive slope compensation with DC correction
A switching regulator using current mode control and adaptive slope compensation includes a DC correction circuit to introduce a DC correction signal to cancel...
Semiconductor apparatus having transfer circuit transferring high voltage
A semiconductor apparatus includes a voltage supply circuit suitable for outputting a high voltage, a transfer circuit coupled between the voltage supply...
Control for switching between PWM and PFM operation in a buck converter
A buck switching voltage regulator, with high side and low side switching transistors, includes mode control circuitry for switching between PWM and PFM modes...
The disclosure relates to a voltage generator for providing an output voltage in accordance with a received target signal, the voltage generator comprising: a...
DC-DC converter, power source circuit, and semiconductor device
A DC-DC converter includes a control circuit, a switching element, and a constant-voltage generation portion which generates an output voltage on the basis of...
Switched-mode power supply controller
The present invention relates to nonlinear and time-variant signal processing, and, in particular, to methods, systems, and apparatus for adaptive filtering and...
SMPS with adaptive COT control and method thereof
A SMPS has a switching circuit and a controller. The switching circuit has an input terminal and an output terminal, and also includes a switch and an inductor,...
Timing generator and timing signal generation method for power converter
A timing generator for a power converter is provided. The timing generator includes a threshold voltage generation circuit and a timing generation unit. The...
Buck DC-DC converter with fixed frequency
A buck switching regulator implements a fixed frequency feedback control circuit including a voltage control loop and a frequency control loop to regulate the...
Method for controlling a multiphase interleaving converter and
A method is provided for controlling a converter of the multiphase interleaving type. According to the method, there is detected when a change of the load...
Digital current equalizing device, analog current equalizing device,
current equalizing method and system
Provided are a digital current equalizing device, an analog current equalizing device, a current equalizing method and a system. The digital current equalizing...
System, a method and a computer program product for controlling electric
A method for controlling electric power supply, the method comprising: (a) controllably down converting by a step-down power converter entry voltage from a...
Power supply system with ripple suppression circuit and ripple suppression
A ripple suppression circuit has a filter circuit and a follower circuit. The filter circuit has a first input terminal coupled to a signal source to receive a...
Power converter circuits including high electron mobility transistors for
switching and rectification
A power converter circuit includes a storage component, a rectifier component comprising a first field effect transistor and having first and second bias...
Electric power tool having a conductive elastic body connected to a yoke
An electric power tool of an embodiment of the present invention uses a motor provided with a yoke as a drive source, and is configured such that an end portion...
Devices and methods for mechanically coupling magnetic field induced
Apparatus for coupling magnetic forces into motive force includes a spinner shaft on which a helical array of magnets is mounted and a magnetic power bed. The...
A cylindrical magnet of an oscillating actuator includes a plurality of divided magnet portions which are magnetized in the radial direction. Since adjacent...
Electromagnetic actuator for optical device to reduce temperature and
According to the present invention there is provided an actuator comprising, a movable member, the movable member comprising a support frame which is configured...
Vibration motor and mobile terminal having the same
A vibration motor includes a housing, a coil, a moving portion, an elastic member and a roller member. The housing has a top surface, a bottom surface, and...
Brushless DC electrical generator
The present disclosure relates to an apparatus for the generation of a unidirectional electrical signal. The apparatus may include at least one magnet defining...
Method and apparatus for coil-less magnetoelectric magnetic flux switching
for permanent magnets
Methods and apparatus that employ a coil-less magnetoelectric flux switch arrangement to repeatedly switch magnetic flux from at least one permanent magnet for...
Air-cooled electric machine and method of assembling the same
In one aspect, an electric machine is provided. The electric machine includes a housing including at least one air intake, an air outlet, and an air passage...
Apparatus and method for winding supports for coils and single poles of
cores for dynamoelectric machines
Apparatus and method for winding coils of at least one electric wire conductor (W) on a coil support (10, 11, 10', 11') comprising a coil support (10,11) wound...
An electric motor has a stator, a rotor, two motor terminals and a filter circuit for suppressing electromagnetic interference. The filter circuit includes a...
Direct current electric machine
The disclosure relates to a direct current electric machine comprising a housing, a rotor having coils configured as electromagnets, and a stator with stator...
An electromechanical actuator comprising an actuator member and an electric motor (2) adapted to drive the actuator member. The electric motor (2) comprises a...
Display operation conditions of electric motor
An electric motor includes a signal device (5) for the display of at least two different operating conditions. For this, the signal device (5) includes six...
Super conducting synchronous machine comprising a rotor which can rotate
in relation to a stator and which has...
A super conducting synchronous machine including a rotor which may rotate in relation to a stator and which has at least one super-conducting winding which is...
Liquid cooled motor for cabin air compressor
A method of manufacturing a nonconductive liquid cooled back iron heat exchanger to house a conductive cooling liquid is disclosed. This method may include...
Hydraulic-electrical transducer, transducer arrangement and method for
driving a transducer
A hydraulic-electrical transducer, a transducer arrangement having a plurality of such transducers, and a method for driving a hydraulic-electrical transducer...
Engine and induction generator
An internal combustion power-plant comprising a combustion housing having a crankshaft that is driven when a fuel is combusted in the combustion housing. An...
A casing configured for receiving a motor. The motor includes a shaft, two end plates substantially perpendicular to the shaft, and two bosses respectively...