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Patent # Description
US-9,923,492 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...
US-9,923,490 Vehicle
An electric motor gives regenerative braking force to a hybrid vehicle by regenerative control. A regeneration level selector selects regenerative braking force...
US-9,923,489 Vortex flux generator
A method and apparatus for generating electricity by electromagnetic induction, using a magnetic field modulated by the formation, dissipation, and movement of...
US-9,923,488 Soft switching technique for a grid-tied inverter
A method, system, and computer-readable medium facilitate a soft switching technique for operating an inverter. In a full bridge inverter, a one of first set of...
US-9,923,487 Hybrid power converter for renewable energy power plant
A hybrid power converter system that comprises a first power bus connected to a DC power source, a second power bus connected to an AC load, and a third power...
US-9,923,486 Electric power conversion circuit including switches and bootstrap circuits, and electric power transmission...
An electric power conversion circuit includes: first through fourth port terminals; first through fourth switches that are connected with each other in a bridge...
US-9,923,485 Multi-channel inverter systems
A system comprises a first T-type inverter connected to a dc power source, a second T-type inverter connected to the dc power source, wherein the second T-type...
US-9,923,484 Method and system for operating a multilevel electric power inverter
A controller for operating a multilevel electric power inverter circuit. The controller is configured to generate and apply to the plurality of switching...
US-9,923,483 Method for operating an inverter and inverter comprising a switch between a center point of a DC link and a...
A method of operating a transformerless inverter connected on the input side to a generator and on the output side to a multiphase AC grid and comprising a...
US-9,923,482 System and method for a power inverter with controllable clamps
A system and method for a power inverter with controllable clamps comprises a first voltage swing path, the first voltage swing path including a first plurality...
US-9,923,481 Photovoltaic system and method for controlling the same
Provided are a photovoltaic system and a method for controlling a photovoltaic system. The photovoltaic system includes a photovoltaic output device, an...
US-9,923,480 DC-to-AC power converter with high efficiency
A DC-to-AC power converter (1) includes: a current-type DC-to-AC converter (70) having a first DC input (80) and a first AC output (85), said first DC input...
US-9,923,479 Power supply unit and calibration method to improve reliability
A power supply includes a boost converter, a capacitor, a step-down converter and a control unit. The boost converter, when activated, converts an input voltage...
US-9,923,478 Capacitor arrangement and method for operating a capacitor arrangement
The present invention provides a low-inductivity and mechanically stable connection between a DC link capacitor and a switching module for a power electronic...
US-9,923,477 PWM rectifier including capacitance calculation unit
A PWM rectifier includes a main circuit unit carrying out AC-DC power conversion by PWM-control, a PWM control unit PWM-controlling the main circuit unit, a DC...
US-9,923,476 Switching power supply and method for controlling switching power supply
A switching power supply and a method for controlling the switching power supply, the switching power supply includes: an input power supply, a front-stage...
US-9,923,475 Synchronous rectifier
Disclosed is a method to control the synchronous rectification in a power converter including a primary winding and a secondary winding, including detecting a...
US-9,923,474 Power supply apparatus
A power supply apparatus includes a primary-side circuit and a secondary-side circuit magnetically coupled by a transformer. The secondary-side circuit...
US-9,923,473 Power supply apparatus for reducing noise induced in DC wires
In a power supply apparatus, one of a transformer and a first semiconductor device is stacked on the other thereof to constitute a stack assembly. The stack...
US-9,923,472 Fixed frequency series-parallel mode (SPM) active clamp flyback converter
A flyback converter can include a series-parallel mode (SPM) active clamp circuit. The active clamp circuit, coupled in parallel with the primary coil, may...
US-9,923,471 DC-DC converters having a half-bridge node, controllers therefor and methods of controlling the same
There is disclosed a controller for a DC-DC converter comprising a series arrangement of a high-side switch and low-side switch with a half-bridge node...
US-9,923,470 High voltage pre-charge system
The present disclosure includes a high voltage electrical system that may include a power source, a power source control module that may be electrically...
US-9,923,469 Motor drive filter damping
Disclosed examples include methods, power converters and damping circuits to control damping of an input filter circuit, in which a low-voltage secondary...
US-9,923,468 Multiphase power conversion using skewed per-phase inductor current limits
A power conversion circuit has multiple phases wherein each of the phases has an inductor coupled to a power switch circuit and is coupled to an output node. A...
US-9,923,467 Multiphase converting controller
A multiphase converting controller, adapted to control a plural converting circuits coupled to an input voltage to commonly supply an output voltage, is...
US-9,923,466 DC-DC converter with inductor current direction reversed each switching period
Embodiments of the present invention provide a DC-DC converter having a first DC voltage gate, a second DC voltage gate and a storage choke. The storage choke...
US-9,923,465 Power conversion circuit and associated operating method
A power conversion circuit includes an input terminal, a first switching element, a second switching element, a third switching element, a fourth switching...
US-9,923,464 Switching device and power supply circuit
A switching device includes first and switching elements connected in series, a capacitor connected to a gate of the first switching element, a diode having an...
US-9,923,463 Constant on-time switching converter with reference voltage adjusting circuit and controller thereof
A COT switching converter includes a switching circuit having a main switch, an on-time control circuit configured to generate an on-time control signal, a...
US-9,923,462 DC-DC converter and driving method thereof
A DC-DC converter includes: a switching circuit to change a voltage value of an input voltage, and to generate an output voltage; a feedback circuit connected...
US-9,923,461 Control arrangement for a switched mode power supply
The disclosure relates to a control arrangement for a SMPS, the control arrangement comprising: an input terminal configured to receive a feedback-signal (V1)...
US-9,923,460 Circuits, devices and methods for achieving small duty cycles in switching regulators
Circuits, devices and methods for achieving small duty cycles in switching regulators. In some embodiments, a method for generating a low duty cycle output...
US-9,923,459 Charge pump
Charge-pump devices and corresponding methods are disclosed. A control input of a valve transistor of the charge pump device may be coupled with one of an input...
US-9,923,458 Booster circuit including a booster section configured to operate intermittently
Provided is a booster circuit enabling improvement of efficiency of a stress test for a circuit to which a boosted voltage is applied. A voltage divider circuit...
US-9,923,457 Regulated power converter and method of operating the same
An intellectual property (IP) block portion in an integrated circuit includes a first regulator, a first circuit, a power converter, and a second circuit. The...
US-9,923,456 Matrix convertor, power generation system, and method for controlling power factor
A matrix convertor includes a power convertor and a controller. The power convertor is disposed between a power system and a rotating electric machine, and...
US-9,923,455 Current-sensing and gain-switching circuit and method for using wide range of current
A current control circuit includes a current transformer that detects a primary current, a sensor gain switch that selectively connects the primary current to...
US-9,923,454 Fast high-side power FET gate sense circuit for high voltage applications
A circuit for sensing gate voltage of a power FET. A switching circuit includes a switching FET having a high voltage rating, its drain coupled to the gate of...
US-9,923,453 Power management device for energy harvesting
A power management device according to example embodiments includes a self-startup circuit including an oscillator and a voltage multiplier to generate a...
US-9,923,452 Switched-mode power supply for powering a frequency converter
A switched-mode power supply for supplying an operating voltage to a frequency converter includes a supply capacitor configured to supply the operating voltage...
US-9,923,451 Method and apparatus for filtering a rectified voltage signal
A configurable impedance circuit is provided, including a filter for filtering a received DC voltage and a controller. The filter includes a first capacitor, a...
US-9,923,450 Switched mode power supply compensation loop
There is provided a controller for controlling an output current of a switched mode power supply, SMPS. The controller comprises a sampling module arranged to...
US-9,923,449 Damping apparatus and damping method of converter system
The present disclosure relates to a damping apparatus of a converter system, which compensates an input voltage reference being transmitted to a converter to...
US-9,923,448 Method and apparatus for regulated three-phase AC-to-DC conversion with high power factor and low harmonic...
The present invention relates to methods and corresponding apparatus for efficient 3-phase AC to DC conversion with high power quality, for example, high power...
US-9,923,447 Power conversion device having improved noise characteristics, and control method thereof
A power conversion device includes a carrier generating unit, a setting unit, a PWM signal generating unit, and a power conversion unit. The carrier generating...
US-9,923,446 Method of controlling the switching of a multilevel converter, a controller for a multilevel converter, and a...
A method of controlling a multilevel converter, a computer program and a controller for a converter is provided. The method includes determining a transition...
US-9,923,445 Drive for an XY-table and XY-table
A drive for an XY-table includes a stationary, ferromagnetic and U-shaped yoke including a first limb and a second limb which are located together in one plane,...
US-9,923,444 Linear motor system with powered curvilinear track sections
A method for manufacturing a curvilinear track section including: forming a curvilinear track portion; cutting out a first slot grouping from an exterior edge...
US-9,923,443 Hollow magnetic metal core pulse energy harvesting generator
This invention relates to energy harvesting of electrical energy by the change in a magnetic circuitous permeability path for magnetic lines of force that move...
US-9,923,442 Breathing assistance device with linear actuated gas regulating valve
A breathing assistance device includes a gas regulating valve (1300). The gas regulating valve is operated by a linear actuator (1330). The linear actuator may...
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