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Patent # Description
2019/0058428 Method for determining a state of a bearing, module for determining a state of a bearing, railway vehicle and...
The present invention relates to a method for determining a state of a bearing of a three phase electric machine, the electric machine having a rotor, which is...
2019/0058427 Generation of Motor Drive Signals with Misalignment Compensation
A motor drive circuit provides a drive signal to an electronically commutated motor. A control circuit the motor drive circuit based on calibration data. The...
2019/0058426 SYSTEM AND METHOD FOR OPERATING A PUMPED STORAGE POWER PLANT WITH A DOUBLE FED INDUCTION MACHINE
A system and method of operating a pumped storage power plant using a double fed induction machine with a frequency converter in a rotor circuit is disclosed....
2019/0058425 METHOD FOR CONTROLLING A WIND TURBINE
A method for controlling a wind turbine comprising inputting an actual value of rotational speed and a rotational speed setpoint into a control and outputting...
2019/0058424 ROTOR POSITION DETECTION SYSTEM
A rotor position detection system according to one embodiment includes a H bridge circuit, a current detection circuit, a time measurement circuit, a zero...
2019/0058423 Actuator with Inherent Position Sensor
An actuation system is proposed for an optical system, comprising a voice coil motor for actuating the optical system, the voice coil motor comprising a magnet...
2019/0058422 APPARATUS AND METHOD FOR COMPENSATING FOR POSITION ERROR OF RESOLVER
An apparatus for compensating for a position error of a resolver has a controller which is configured to: receive position information of a rotor of a motor,...
2019/0058421 Eng Ring and Rotor Bar for Line Start Permanent Magnet Motor
A rotor for an LSIPM comprises a plurality of permanent magnets defining a number of poles ("P") of the LSIPM, and a plurality of rotor bars spaced about the...
2019/0058420 Vibration Energy Harvester
A vibration energy harvester includes: a first electrode; and a second electrode that can be displaced relative to the first electrode along a predetermined...
2019/0058419 POWER GENERATION DEVICE AND A POWER GENERATION METHOD
The invention provides a power generation device comprising at least two generating arrangements, each adapted to generate a voltage output through the...
2019/0058418 POWER CONVERTER
Includes: a first offset voltage computing section, which is configured to compute, when the three-phase voltage commands are determined as a maximum phase, an...
2019/0058417 RECONSTRUCTIVE LINE MODULATED RESONANT CONVERTER
A resonant power converter includes an event generator and multiple separate resonant tanks configured as second harmonic filters. The event generator is...
2019/0058416 Single-Phase Five-Level Active Clamping Converter Unit and Converter
A single-phase five-level active clamping converter unit and a converter. The single-phase five-level active clamping converter unit has three input ends and...
2019/0058415 POWER CONVERSION DEVICE
A power conversion device includes a main board, a connector module, an input conversion module, a capacitor, an output conversion module, a control module and...
2019/0058414 CONVERTER AND POWER CONVERSION DEVICE USING SAME
A converter includes a first diode having an anode and a cathode connected respectively to an input terminal and a first output terminal, a second diode having...
2019/0058413 USE OF ADDITIONAL RESISTANCES AND CAPACITANCES BY OPTIMIZATION TO SOLVE GATE VOLTAGE OSCILLATION DURING SHORT...
Bridge circuits provide a reduced amplitude of gate-source voltage oscillation when the switches switch states during short circuit triggered turnoff for...
2019/0058412 MODULAR MULTILEVEL CONVERTER AND POWER ELECTRONIC TRANSFORMER
A modular multilevel converter and a power electronic transformer is provided. The modular multilevel converter includes: a low-frequency AC to DC conversion...
2019/0058411 POWER SUPPLY DEVICE, APPARATUS, AND CONTROL METHOD
A power supply device includes: a power supply; a conversion module including a plurality of conversion units configured to perform voltage conversion of power...
2019/0058410 INTEGRATED MAGNETIC AND COMPOSITE SUBSTRATE WITH INCORPORATED COMPONENTS
A magnetic device assembly is provided for maximizing the size of the magnetic components for a predetermined power converter module by co-locating and sharing...
2019/0058409 ELECTRIC POWER CONVERSION DEVICE
A power conversion device includes M number of DC/DC converters, first-side terminals of the DC/DC converters are connected so that common current flows...
2019/0058408 MULTIUNIT POWER CONVERSION SYSTEM
A multiunit power conversion system comprises: a first power conversion unit, a second power conversion unit, and a current sharing transformer. The first...
2019/0058407 INSULATED DC/DC CONVERTER
The invention relates to an insulated DC/DC converter comprising: a magnetic component having a primary part and a secondary part separated by an electrical...
2019/0058406 POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS
The power supply apparatus switches the capacitance of a resonance capacitor to a first value at the time of a continuous operation, and switches the...
2019/0058405 REGULATED SUPPLY FOR POWER CONVERSION SYSTEM CONTROL CIRCUITRY
In described examples of methods and control circuitry to control a multi-level power conversion system with a flying capacitor, a power circuit regulates a...
2019/0058404 High-Performance DC/DC Converter with Resonator Sensing
In the present invention, a high-voltage DC/DC converter suitable for powering x-ray tubes and the like provides control of a voltage applied to a resonant...
2019/0058403 COMPARATOR CIRCUIT, POWER SUPPLY CONTROL IC, AND SWITCHING POWER SUPPLY DEVICE
A comparator circuit includes a first comparator arranged to compare an input signal with a reference voltage so as to generate a first comparison signal, a...
2019/0058402 SHORT-CIRCUIT PROTECTED POWER SUPPLY CIRCUIT
A short-circuit protected power supply circuit includes a switching power supply and a short-circuit sense/protection circuit. The switching power supply...
2019/0058401 POWER SUPPLY DEVICE, APPARATUS, AND CONTROL METHOD
A power supply device includes: a power supply mounted in an apparatus; a conversion module including a plurality of conversion units configured to perform...
2019/0058400 METHOD AND SYSTEM FOR DC-DC VOLTAGE CONVERTERS
On embodiment pertains to an apparatus including a control loop configured to receive an output voltage sense signal. The control loop includes a compensator;...
2019/0058399 Electromagnetic Interference (EMI) for Pulse Frequency Modulation (PFM) Mode of a Switching Regulator
A circuit and method providing switching regulation configured to provide a pulse frequency modulation (PFM) mode of Operation with reduced electromagnetic...
2019/0058398 INDUCTOR CURRENT SENSING AND REGULATION FOR POWER CONVERTER
In described examples of methods and control circuitry to control a power conversion system, a regulator circuit is coupled to provide switching control...
2019/0058397 HARMONIC MODULATION FOR CHARGE BALANCE OF MULTI-LEVEL POWER CONVERTERS
In described examples of methods and control circuitry to control a multi-level power conversion system, the control circuitry generates PWM signals having a...
2019/0058396 VOLTAGE REGULATOR
A voltage regulator can include: N energy storage capacitors, each having first nodes connected together, where N is a positive integer; N input capacitors...
2019/0058395 SYNCHRONOUS SAMPLING DC LINK VOLTAGE CONTROL FOR MICROINVERTERS
A two-stage microinverter for coupling a PV panel to a power grid includes a DC/DC converter stage having an input for coupling to the PV panel and a DC/AC...
2019/0058394 INCREASING EFFICIENCY OF A SWITCHED MODE POWER CONVERTER
Methods and apparatus to increase efficiency of a power converter using a bias voltage on a low side drive gate are disclosed. An example power converter...
2019/0058393 AC/DC PFC CONVERTER USING A HALF BRIDGE RESONANT CONVERTER, AND CORRESPONDING CONVERSION METHOD
An AC/DC PFC converter comprises an LLC PFC pre-regulator and a DC/DC converter output stage. The output stage has a feedback unit adapted to provide a...
2019/0058392 HIGH FREQUENCY WIRELESS POWER RECTIFIER STARTUP CIRCUIT DESIGN
A rectifier circuit can include a plurality of FETs arranged as a rectifier; and a start-up circuit applied to each of the plurality of FETs that turn each of...
2019/0058391 POWER SUPPLY SYSTEM AND SHORT CIRCUIT AND/OR BAD CONNECTION DETECTION METHOD THEREOF, AND POWER CONVERTER THEREOF
The present invention discloses a short circuit and/or bad connection detection method for use in a power supply system. The power supply system includes a...
2019/0058390 POWER SUPPLY SYSTEM AND SHORT CIRCUIT AND/OR BAD CONNECTION DETECTION METHOD THEREOF, AND POWER CONVERTER THEREOF
The present invention discloses a short circuit and/or bad connection detection method for use in a power supply system. The power supply system includes a...
2019/0058389 ADAPTIVE RESONANT FREQUENCY CONVERTER
A resonant power converter has a main switch, a resonant tank coupled across the main switch, and a signal processing circuit coupled to the main switch and...
2019/0058388 INVERTER DEVICE
An inverter device that includes an inverter circuit that converts power between DC power and multi-phase AC power; a drive circuit that transfers a drive...
2019/0058387 POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS
The power supply apparatus includes a current detection unit configured to detect a current that flows through a first switching element of a transformer, and...
2019/0058386 POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS
The power supply apparatus alternately repeats a control between a first control of varying a frequency of switching operation within a predetermined range and...
2019/0058385 HYSTERETIC PULSE MODULATION FOR CHARGE BALANCE OF MULTI-LEVEL POWER CONVERTERS
In described examples of methods and control circuitry to control a multi-level power conversion system, the control circuitry generates PWM signals having a...
2019/0058384 AXIAL FLUX BRUSHLESS PERMANENT MAGNET ELECTRICAL MACHINE ROTOR
An axial flux brushless permanent magnet electrical machine having a stator and at least one rotor. The rotor includes a Halbach array of magnets with at least...
2019/0058383 PERMANENT-MAGNET MOTOR
Each of a plurality of permanent-magnet pairs is configured with a pair of permanent magnets that are arranged in a v-shaped manner in such a way that the...
2019/0058382 SYNCHRONOUS MACHINE WITH COMMON MOTOR/GENERATOR EXCITER STAGE
A synchronous machine (100) has a frame (110), a shaft (115), a main section (120), and an exciter section (125). The main section (120) has a stator winding...
2019/0058381 ROTATING ELECTRIC MACHINE
A stator core and a rotor core are provided. The stator core includes field windings receiving a direct current, and armature windings receiving an alternating...
2019/0058380 SEGMENTED STATOR FOR A DIRECT DRIVE ELECTRICAL GENERATOR
A method of manufacturing a segment for a stator of an electrical generator includes manufacturing a segment body circumferentially extending between at least...
2019/0058379 Process for Assembly of Motor-Generators
A process for assembling a brushless motor-generator includes assembling a rotor formed from two spaced apart rotor portions having magnetic poles that drive...
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