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Arrangement and Method for Radio-Frequency (RF) High Power Generation for
Compensating a Failed Power Amplifier...
An arrangement and method for radio-frequency (RF) high power generation which compensate for a failed power amplifier module includes at least one power...
PHASE CORRECTION IN A DOHERTY POWER AMPLIFIER
In various embodiments, a semiconductor package includes a carrier amplifier connected to a first output of a power divider, and a first output matching...
ADAPTIVE RAIL POWER AMPLIFIER TECHNOLOGY
Adaptive rail power amplifier technology processes an audio signal by feeding the audio signal to the power amplifier to produce an output signal, applying...
APPARATUS AND METHODS FOR WIDEBAND ENVELOPE TRACKING
Apparatus and methods for wideband envelope tracking systems are disclosed herein. In certain implementations, an envelope tracker includes a DC-to-DC...
Method for Assessing Parameters for Controlling a Solar Tracker
The invention relates to a method for assessing parameters for controlling a solar tracker including modules which include a table of means for processing...
Photovoltaic Systems with Abnormality Detection Architecture
One aspect of the inventive technology disclosed herein, in certain embodiments, may involve the determination of at least one measured, instantaneous...
PROGRESSIVE AIR TEMPERATURE BOOSTER POWERED BY THE SUN
A closed loop fluid thermosiphon that uses solar energy to progressively boost the air temperature passing through it and comprises a heat sink segment capable...
Apparatus for Sunlight Collection and Solar Energy Generation
This invention relates to photovoltaic (PV) systems with solar trackers. Retractable auxiliary panels are positioned at opposite sides of a solar panel along...
SCHEDULE-BASED SUN TRACKER FOR INCREASING DIRECTNESS OF SUN EXPOSURE UPON
A SOLAR PANEL TO IMPROVE ENERGY...
A sun tracking system for use with a solar panel is disclosed. The system has an actuator configured to cause a change in orientation of a solar panel; and a...
Support Member For Mounting Photovoltaic Modules and Mounting System
Including the Same
A support member for mounting photovoltaic modules on a support surface and a mounting system including the same are disclosed herein. The support member may...
MOTOR DRIVE CONTROLLER
A motor drive controller includes: a motor driver that applies a voltage to each phase of a motor to rotate; a rotational position detector that detects...
VARIABLE FREQUENCY DRIVE APPARATUS
An apparatus may include an enclosure and a variable frequency drive (VFD) assembly disposed within the enclosure, and comprising at least one VFD. The...
SINGLE-SHUNT CURRENT SENSING FOR MULTI-PHASE MOTOR
A motor controller for providing a three-phase alternating current (AC) signal to a three-phase motor. The motor controller uses current feedback from a single...
FIELD WINDING TYPE SYNCHRONOUS MACHINE
A field winding type synchronous machine has a stator having a stator core to which a stator coil is wound, and a rotor that rotates while facing a peripheral...
MOTOR ACCELERATION METHODS
An improved method of starting a switched reluctance motor uses two neighbouring pairs of coils, both energised, to bring the rotor to its initial position....
Method Of Generating Electricity By An Alternator And A Generator Using
A method of generating electricity by an alternator and a generator is disclosed. The method includes: connecting in series stator coils of two multi-pole...
METHOD AND REGULATION AND/OR CONTROL DEVICE FOR OPERATING A WIND TURBINE
AND/OR A WIND PARK, AND WIND TURBINE...
A method for operating a wind turbine and/or a wind farm for feeding electric power into an electrical supply grid, wherein an output power, in particular an...
CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
A control apparatus for an internal combustion engine is provided with: a first determining device configured to determine whether or not the number of...
STEPPING MOTOR CONTROL DEVICE
A stepping motor control device is a device for controlling a stepping motor to be driven by an input of a drive signal and includes a control signal generator...
CONTROL SYSTEM FOR ELECTRIC ROTATING MACHINE
A control system for controlling an electric rotating machine includes an inverter for driving the electric rotating machine, a converter that converts an...
DRIVE CIRCUIT FOR SYNCHRONOUS MOTOR, SYNCHRONOUS MOTOR DRIVEN BY DRIVE
CIRCUIT, AIR BLOWER INCLUDING...
A drive circuit for a synchronous motor including a rotor having ten magnetic poles formed by a permanent magnet, and a stator in which a winding is wound in a...
SEMICONDUCTOR DEVICE AND MOTOR DRIVING METHOD
According to an embodiment, a semiconductor device includes a first switching circuit, at least one second switching circuit, and a switch control circuit. The...
DEVICE AND METHOD FOR STARTING A MOTOR FOR ALTERNATING CURRENT
A device (1) for starting a motor (4) for alternating current, in particular for a compressor (5), wherein the motor (4) has at least one feed line (3) for the...
Single Phase Motor Energy Economizer for Regulating the Use of Electricity
A system for reducing inrush loading when a source power is restored includes a device for switching power that selectively connects a load to the source of...
Circuit for Capturing Electrical Energy from Vibrating Molecular Charges
According to various implementations of the invention, a rectifier circuit may be configured to capture currents and/or voltages induced by a vibrating...
CONTROL APPARATUS OF VIBRATION-TYPE ACTUATOR AND CONTROL METHOD OF
Provided is a control apparatus of a vibration-type actuator for generating an elliptical motion of contact portions by a common alternating current including...
Similar to combustion engines including multiple cylinders engaged with a crankshaft, multiple piezoelectric stack actuators (PSA) engaged with a common output...
The invention relates to an ultrasonic motor, comprising a piezoelectric ultrasonic actuator (1) having four friction elements (4) disposed thereon, a friction...
PIEZOELECTRIC ULTRASONIC MOTOR AND OPERATION METHOD OF THE SAME
A piezoelectric ultrasonic motor includes: a drive piezoelectric material wherein a plurality of piezoelectric elements, which are polarized by opposite...
VIBRATION TYPE ACTUATOR AND ULTRASONIC MOTOR
A vibration type actuator including a vibrator configured to vibrate due to a driving voltage, a slider configured to come into friction contact with the...
ELECTRIC POWER CONVERSION DEVICE
An electric power conversion device includes a power conversion unit and a converter control unit. The power conversion unit includes three arms connected to...
POWER CONVERSION DEVICE AND THREE-PHASE ALTERNATING CURRENT POWER SUPPLY
Provided is a power conversion device including: a conversion device for each phase which converts DC voltage inputted from a DC power supply, to voltage...
SPARSE MATRIX MULTILEVEL ACTIVELY CLAMPED POWER CONVERTER
Power converters are presented with one or more sparse multilevel actively clamped (SMAC) power converter stages, where the individual stages include an...
SYSTEM AND METHOD FOR SYNCHRONOUS RECTIFICATION WITH ENHANCED DETECTION OF
A system and method of synchronous rectification includes a synchronous rectifier circuit. The synchronous rectifier circuit includes a direct current (DC)...
HYSTERESIS CONTROLLERS FOR POWER FACTOR CORRECTION IN AC/DC POWER
Methods, devices, and integrated circuits are disclosed for controlling a power converter. In one example, a controller includes a peak current reference...
MAGNETOELECTRIC DEVICE CAPABLE OF DAMPING POWER AMPLIFICATION
A magnetoelectric device includes reluctance components, damping modules and a driving module. Each reluctance component includes a magnetic core unit having a...
SYSTEMS AND METHODS FOR OUTPUT CURRENT REGULATION IN POWER CONVERSION
Systems and methods are provided for regulating a power converter. An example system controller includes: a driver configured to output a drive signal to a...
SYNCHRONOUS START-UP OF PARALLEL POWER CONVERTERS IN A SWITCHED-MODE POWER
Methods and apparatuses for controlling synchronous start-up of power converters arranged in parallel in droop load share switched-mode power supplies are...
METHOD OF CONTROLLING POWER CONVERSION APPARATUS, AND POWER CONVERSION
A method of controlling switching primary and secondary full-bridge circuits, includes, when a fault is detected in a first voltage detection unit that detects...
RESONANT INVERTER AND ISOLATED RESONANT POWER SUPPLY DEVICE
A resonant inverter includes an input terminal, a first switch, a second switch, a transformer, a first resonant circuit, and a second resonant circuit. To the...
Systems and Methods for Output Current Regulation in Power Conversion
Systems and methods are provided for regulating power conversion systems. A system controller includes: a first controller terminal configured to receive a...
In a DC-DC converter, a voltage at a connection point on the side of connection with a primary winding of a switching transistor is compared to a threshold...
APPARATUS AND METHOD FOR ISOLATED CURRENT MODE CONTROLLER
A soft start-up method is provided comprising: producing an initialization signal on a primary winding side of a transformer; using a comparison of the...
CURRENT CONVERTER WITH CURRENT CONTROL ON THE PRIMARY WINDING SIDE AND
COMPENSATION OF THE PROPAGATION DELAY
A control circuit controls a switch of a switching current converter receiving an input quantity, with a transformer having a primary winding and a sensor...
TRACKING ENERGY CONSUMPTION USING A BOOST-BUCK TECHNIQUE
The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least...
CIRCUITS, DEVICES AND METHODS RELATED TO INTERNAL SUPPLY FOR VOLTAGE
A voltage regulator device is disclosed, comprising a first pin and a second pin, a regulator circuit implemented between the first pin and the second pin, one...
POWER CONVERTING CIRCUIT AND HYSTERESIS BUCK CONVERTER
A power converting circuit includes a voltage converting circuit, a feedback circuit, a driving signal generator, a transient state detector, and a resistance...
SWITCHING-MODE POWER SUPPLIES
A switching mode power control device (100) to operate a first electronic switch (Ml) to switch a power input (VIN) by switching to vary output power is...
VOLTAGE STABILIZING CIRCUIT
A voltage stabilizing circuit includes an input capacitor, a booster circuit having an input side coupled across the input capacitor, a first output capacitor...
High Efficiency DC-to-DC Converter with Adaptive Output Stage
A circuit and method for providing an improved efficiency for a DCDC converter. A power converter, comprising a buck converter comprising an adaptive output,...