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Patent # Description
US-9,998,047 Synchronous machine with rechargeable power storage devices
A rotor portion of a synchronous machine includes a rotor. The rotor carries a field winding and a re-chargeable power storage device. The re-chargeable power...
US-9,998,046 Turbine having optimized efficiency
The invention relates to a turbine and to the implementation method thereof, said turbine comprising a blade mounted such that it can rotate about a central...
US-9,998,045 Alternator controller
In one embodiment, a generator includes a rotor configured to rotate in cooperation with a stator to generate electrical power. A sensor, which is supported by...
US-9,998,044 Load-adaptive smooth startup method for sensorless field-oriented control of permanent magnet synchronous motors
A field oriented control (FOC) system and method provides smooth field-oriented startup for three-phase sensorless permanent magnet synchronous motors (PMSMs)...
US-9,998,043 Rotary machine controller
An estimation unit estimates a q-axis induced-voltage estimation value and estimation torque of a PM motor. An adder adds a torque command and a first command...
US-9,998,042 Torque disturbance cancellation for a motor
A circuit may be configured to adjust a correction signal for each phase of an electric motor based on a rotational position of a spindle of the electric motor,...
US-9,998,041 System and method for using and controlling permanent magnet AC motor in place of triac-controlled PSC motor
A system and method for controlling a speed of a permanent magnet AC motor (38) based on a delay angle of a triac-controlled AC voltage signal (66) from a triac...
US-9,998,040 Motor driver of motor for valve timing control of internal combustion engine
A motor driver for driving a motor in a valve timing controller of an internal combustion engine, including an Electronic Driver Unit (EDU) that, upon receiving...
US-9,998,039 Drive control system for vehicle
A drive control system includes a battery, a direct current/direct current converter, a first motor, a second motor, and a controller. The battery is a...
US-9,998,038 Fan motor power-off automatic braking circuit
A fan motor power-off automatic braking circuit includes an energy storage unit, a motor drive circuit, a control unit and a resistance unit connected with an...
US-9,998,037 Control apparatus of synchronous motor
A control apparatus of a synchronous motor according to the present invention includes: a current command generation unit for generating a d-phase current...
US-9,998,036 Device for generating a movement, motor comprising said device and use of the latter
A device for generating a movement is provided. The device has at least one magnet and a material that is arranged in the proximity of the magnet or in the...
US-9,998,035 Resonant energy harvester, aircraft component comprising the resonant energy harvester and an aircraft...
An energy harvester for an aircraft comprises a first portion, a movable element and a kinetic-to-electric-energy-converter. The first portion includes a charge...
US-9,998,034 Energy conversion device using liquid
The present invention relates to an energy conversion device using a liquid and, more specifically, to a method and a device for converting mechanical energy...
US-9,998,033 Stacked voltage source inverter with separate DC sources
A stacked voltage source inverter having separate DC sources is described herein. This inverter is applicable to low or medium voltage, low to medium power...
US-9,998,032 Method of manufacturing a circuit device
In one form, a method of manufacturing a circuit device comprises providing a lead frame comprising a plurality of leads, each comprising an island portion, a...
US-9,998,031 PWM controlled neutral point clamped multilevel converter
A neutral point clamped, multilevel level converter includes a DC voltage link; a first capacitor coupling one side of the DC link to a neutral point; a second...
US-9,998,030 Converter lifetime improvement method for doubly fed induction generator
The present techniques include methods and systems for operating converter to maintain a lifespan of the converter. In some embodiments, the operating frequency...
US-9,998,029 Inverter and inverter device
According to one embodiment, an inverter including a detector which detects a value of an output voltage and a value of an output current; a command value input...
US-9,998,028 Low inductivity circuit arrangement of an inverter
The invention relates to a circuit arrangement of a phase leg of a three-point converter. A circuit arrangement of a three-point converter is provided that is...
US-9,998,027 Dual mode power supply controller with charge balance multipliers and charge balance multiplier circuits
A circuit for generating an output current includes a control signal generating circuit that is configured to generate a control signal. The control signal is a...
US-9,998,026 Techniques for assessing condition of leds and power supply
Techniques are disclosed for assessing the conditions of LEDs and power supplies of solid state lighting systems. The techniques can be used, for example, to...
US-9,998,025 Nuclear instrumentation system high voltage power supply
A high voltage power supply comprising a Line Powered Switcher module for converting a mains powered alternating current input to a direct current output and a...
US-9,998,024 Power conversion apparatus
A power converter of a power conversion apparatus includes any one or more of a functional module in which a rectifier unit rectifying an externally supplied...
US-9,998,023 Modular subsea converter
A modular subsea converter for providing a frequency conversion of AC electric power is provided. The modular subsea converter includes at least one base module...
US-9,998,022 Current limit peak regulation circuit for power converter with low standby power dissipation
A current limit peak regulation circuit, a current limit circuit and a power converter including the current limit peak regulation circuit. The current limit...
US-9,998,020 Method and apparatus for efficient switching in semi-resonant power converters
A voltage converter includes a power stage, a passive circuit, a synchronous rectification (SR) switch component, and a control circuit. The passive circuit...
US-9,998,019 DC-DC converter, and solar power controller and mobile body using same
A DC-DC converter includes a transformer, a switching circuit provided on the primary side of the transformer, and a rectifier circuit provided on the secondary...
US-9,998,018 Resonant converters and methods
A multilevel LLC resonant converter comprises a first capacitor and a second capacitor connected in series providing a mid-voltage point of an input dc power...
US-9,998,017 Controller for a resonant converter
A controller for a resonant converter, the resonant converter comprising a first switch and a second switch. The controller configured to: close the first...
US-9,998,016 AC/DC converter with neutral voltage lift capacitor
Some embodiments are directed to an AC/DC converter comprising a first AC terminal for connection to a first AC circuit terminal, a neutral line terminal for...
US-9,998,015 Insulated synchronous rectification DC/DC converter including a protection circuit to judge occurrence of a...
An insulated synchronous rectification DC/DC converter is provided. A feedback circuit drives a light-emitting element of a first photocoupler such that the...
US-9,998,014 Power converter with multiple output voltage levels and related methods
A variable-level flyback power converter is configured to provide an accurate output voltage at various regulation levels. The variable-level flyback power...
US-9,998,013 MOSFET driver with reduced power consumption
A power supply can be operated in a low power mode by adjusting the pulses provided to a power supply switch until a pulse resulting in a reduced amount of...
US-9,998,012 Voltage peak detection circuit and detection method
In one embodiment, a voltage peak detection circuit can include: (i) a voltage coupling circuit configured to inductively couple an input inductor voltage of a...
US-9,998,011 Phase current estimation for switching power converters
A phase current estimator for a switching power converter includes analog circuitry for generating a phase current estimate error by comparing a phase current...
US-9,998,010 Automatically reconfigurable buck-boost DC-DC converter with shared capacitors
An automatically reconfigurable Buck-Boost DC-DC converter having an input supply and an output voltage includes a linear regulator (LDO) for Buck...
US-9,998,009 Switch mode power supply supporting both a bi-directional converter of a first configuration and that of a...
A switch mode power supply (SMPS) with control scheme selection for high-voltage configuration and low-voltage configuration of the SMPS. The SMPS operates in...
US-9,998,008 Active transient response for DC-DC converters
A first power transistor of a DC-DC converter is connected between a voltage supply node and a common node, a second power transistor is connected between a...
US-9,998,007 Boost converter with flying capacitor and refrigeration circuit
A power conversion device is provided that includes a rectifier, a booster circuit configured to boost an output voltage of the rectifier, a smoothing capacitor...
US-9,998,006 DC-DC converter with complementarily driven switching elements
A DC-DC converter includes n number of first series circuits each including an inductor and a switching element and a second series circuit in which n number of...
US-9,998,005 Single inductor dual output voltage converter and the method thereof
A voltage converter provides a positive voltage and a negative voltage with a single inductor. The voltage converter has a first switch, a second switch, a...
US-9,998,004 Accurate non-isolated high voltage DC-DC feedback
A method and apparatus for regulating a non-isolated high voltage converter applies a PWM signal to a power transistor that couples an input voltage to a...
US-9,998,003 DC-DC converter, power receiving device, and power feeding system
A circuit capable of keeping input impedance constant is provided. Further, a circuit which can contribute to improvement in power feeding efficiency in power...
US-9,998,002 Differential charge pump
A DC-to-DC voltage converter comprising a differential charge pump that utilizes a differential clocking scheme to reduce output electrical noise by partial...
US-9,998,001 Zeno phenomenon avoidance in power controller handoff
A control circuit eliminates the Zeno phenomenon in a power supply controller while transferring control from a primary side controller to a secondary side...
US-9,998,000 Balancing charge pump circuits
Methods and systems of controlling a switched capacitor converter are provided. Upon determining that a voltage across a flying capacitor is above a first...
US-9,997,999 Capacitive DC power transformer
The present document relates to power transformers for electronic computing devices. In particular, a power converter configured to convert electrical power at...
US-9,997,998 Electronic circuit and boost converter
An electronic circuit according to one embodiment of the present invention includes a first logic circuit, a second logic circuit, first and second capacitors,...
US-9,997,997 Power system based on current source
A regulated current-fed power system employs power branching units connected in series. Each power branching unit includes a plurality of parallel-redundant...
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