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SYSTEM FOR CONTROLLING A GENERATOR SET
A system for controlling and regulating a generating set including an alternator that is mechanically coupled to a drive motor, the alternator including a...
BACKFLOW PREVENTING DEVICE, POWER CONVERSION APPARATUS, AND REFRIGERATING
AND AIR-CONDITIONING APPARATUS
A backflow preventing device includes a backflow preventing element that is connected between a power supply and a load and that prevents electric current from...
METHOD FOR DETERMINING THE POLARITY OF A ROTOR POLE OF AN ELECTRICAL
A method for determining the polarity of a pole of a rotor of an electrical rotating machine, having an estimated position in relation to a stator, said method...
MOTOR CONTROL DEVICE
A motor control device is configured to drive a first motor that rotates a first rotation body. and a second motor that rotates a second rotation body. The...
SYSTEM, APPARATUS, AND METHOD FOR CONTROLLING A MOTOR
Mechanisms are provided to control the operation of a motor. In particular, a variable frequency drive motor controller is described which resides within a...
INDUCTION MOTOR-PERMANENT MAGNET GENERATOR TANDEM CONFIGURATION
STARTER-GENERATOR FOR HYBRID VEHICLES
Disclosed in the present invention is a tandem starter-generator construction that includes an induction motor-generator, a permanent magnet motor-generator...
ROBOT CONTROL SYSTEM
The system has a converter for converting an AC current into a DC current, an inverter for inverting the DC power supplied from the converter into an AC power,...
ELECTRIC MOTOR WITH BRAKE
An electric motor with a brake, having a function as a holding brake, includes a brake resistor including three resistors. In a normal state, the brake...
SWITCHED RELUCTANCE MOTOR STARTING 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....
Flexible and Soft Smart Driving Device
A flexible and soft smart driving device comprises a flexible frame, a driving mechanism and a creeping structure. The driving mechanism uses an intrinsic...
VIBRATION TYPE ACTUATOR APPARATUS INCREASED IN POSITION DETECTION
ACCURACY, CONTROLLER, AND MEDICAL SYSTEM
A controller capable of improving position detection accuracy during the stopping of an actuator, and controlling the actuator with high stability and quick...
VIBRATING-ELEMENT DRIVING CIRCUIT, VIBRATION-TYPE ACTUATOR, IMAGE PICKUP
APPARATUS, IMAGE GENERATION APPARATUS,...
In a vibrating-element driving circuit including a transformer and a coil as elements for stepping up a voltage, an improvement in a circuit efficiency of the...
A piezoelectric motor includes at least two piezoelectric actuators. Each actuator includes two piezoelectric elements on opposite sides of a coupling element,...
POWER CONVERSION DEVICE
A power conversion device includes: a plurality of 3-level converters (31 to 35) that are multiple-connected in series to an AC power supply; and a control...
IMPROVEMENTS IN OR RELATING TO CONVERTERS FOR USE IN HIGH VOLTAGE DIRECT
CURRENT POWER TRANSMISSION
In the field of high voltage direct current (HVDC) power transmission, a converter comprises three converter limbs, each corresponding to a respective phase of...
MODULAR, MULTI-CHANNEL, INTERLEAVED POWER CONVERTERS
A multi-phase power converter includes two or more multi-phase, bi-directional, multi-level, switching power converter subcircuits, connected in parallel at...
POWER CONVERSION SYSTEM
In a power conversion system in which one or more converter cells are connected in series to form an arm for each phase, a control device includes a voltage...
Transformerless AC Line Isolator
Various systems, apparatuses, and methods are disclosed herein, which provide a new power conversion topology for isolated systems that does not include a...
POWER CONVERSION DEVICE AND THREE-PHASE ALTERNATING CURRENT POWER SUPPLY
Provided is a power conversion device that converts power between DC units and three-phase AC. A first-phase conversion device, a second-phase conversion...
A Double Auxiliary Resonant Commutated Pole Three-Phase Soft-Switching
Inverter Circuit and Modulation Method
Provided are a double auxiliary resonant commutated pole three-phase soft-switching inverter circuit and a modulation method. The circuit includes a...
METHOD FOR OPERATING AN ACTIVE RECTIFIER, CIRCUIT SYSTEM, AND COMPUTER
A method for operating an active rectifier including a multitude of controllable semiconductor switching elements, in which a switch is carried out between a...
BUFFERING CAPACITOR FOR DIODE BRIDGE RECTIFIER WITH CONTROLLED DECHARGING
Arrangements (1) for buffering energy comprise buffer capacitor circuits (10) with one or more buffer capacitors (11), first circuits (20) for guiding charging...
SMART MATCHING STEP-DOWN CIRCUITS AND TRAVEL-USE POWER CONVERSION DEVICES
Provided is a smart matching step-down circuit comprising an alternating current input terminal (10), a rectifier filter circuit (20), a switching circuit...
POWER CONVERSION DEVICE
Even when an overvoltage suppression circuit is not formed due to failure of an overvoltage suppression switch, overvoltage application to semiconductors and a...
POWER CONVERSION DEVICE
A power conversion device including at least two transformers having a first transformer and a second transformer, each for transforming a power between a...
METHOD FOR CONTROLLING A FULL-BRIDGE DC-DC CONVERTER
In order to enable a switching process with a zero-voltage sequence (ZVS) in a full bridge DC/DC converter (1) with phase shift control without having to...
SYSTEMS AND METHODS FOR CONSTANT VOLTAGE MODE AND CONSTANT CURRENT MODE IN
FLYBACK POWER CONVERTERS WITH...
System and method for regulating a power converter. The system includes a first signal generator configured to receive a first sensed signal and generate an...
Multi-Signal Digital Controller For Isolated System Feedback Loop
Various systems and methods are disclosed herein, which provide isolated systems with an auxiliary, multi-signal digital feedback loop for reporting a...
FLYBACK POWER CONVERTER AND CONTROLLER AND DRIVER THEREOF
The present invention provides a flyback power converter and a control circuit thereof. The flyback power converter includes a transformer, a power switch, a...
SYSTEMS AND METHODS FOR PEAK CURRENT ADJUSTMENTS IN POWER CONVERSION
System and method for regulating an output of a power conversion system. An example system controller includes a signal generator and a modulation and drive...
POWER SUPPLY CONVERTER
A power supply converter includes a power input circuit, which generates and outputs a first alternating current voltage; a transformer, which converts the...
CONTROL CIRCUIT OF ISOLATED CONVERTER AND SWITCHING POWER SUPPLY, AND
CONTROL METHOD FOR THE SAME
Controlling an isolated converter can include: controlling a first voltage signal across the secondary winding according to a wake-up signal to reflect change...
REGULATED MULTIPLE OUTPUT ISOLATED DC TO DC CONVERTER
Disclosed examples include multiple output DC to DC converters with a buck converter including a half bridge switching circuit and transformer primary winding...
Voltage Conversion Method and Voltage Converter
In accordance with an embodiment, a method in a voltage converter includes, in each of successive drive cycles, switching on for an on-period a first...
DIGITAL CLOSED-LOOP CONTROL FOR DC/DC SWITCH-MODE POWER CONVERTERS WITH
Apparatus and method for providing closed loop feedback control for switch-mode DC/DC power converter with multiple outputs using digital filter feedback, in...
Control Circuit for Multiple High Side Switches
The present document relates to the control of high side switches, e.g. the high side switches of half bridges. In particular, the present document relates to...
INTERLEAVED MULTI-CHANNEL, MULTI-LEVEL, MULTI-QUADRANT DC-DC CONVERTERS
Direct-current-to-direct-current (DC-DC) power converters that include two or more multi-quadrant, multi-level, DC-DC, switching converter subcircuits,...
VOLTAGE CONVERTER FOR CONTROLLING A VOLTAGE OF A FLYING CAPACITOR AND A
VOLTAGE CONTROL METHOD THEREOF
A voltage converter includes a power switching unit and an indirect sensing circuit. The power switching unit includes a plurality of power switches and a...
MULTILEVEL BOOST DC TO DC CONVERTER CIRCUIT
Described examples include DC to DC converters and systems with switching circuitry formed by four series-connected switches, inductors connected between the...
GATE DRIVER CIRCUIT FOR HALF BRIDGE MOSFET SWITCHES PROVIDING PROTECTION
OF THE SWITCH DEVICES
A gate driver circuit which may include an input; high-side and low-side outputs; a signal conversion circuit configured to generate a high-side drive signal...
OVER-CURRENT RECOVERY INCLUDING OVERSHOOT SUPPRESSION
A power converter circuit can be operated in a constant-current mode when a monitored output current exceeds a specified over-current threshold. A value...
INTELLIGENT PULSE CONTROL CIRCUIT
The instant disclosure provides an intelligent pulse control circuit used for a power supply. The intelligent pulse control circuit comprises a control unit, a...
SERIES ACTIVE RIPPLE FILTER
According to one aspect, embodiments of the invention provide a power system including an input configured to be coupled to a power source and to receive input...
CONTROL OF CONVERTERS
In the field of high voltage direct current power transmission networks, a method of controlling a converter that includes at least one converter limb which...
The present invention relates to a motor for the transformation of electrical energy into mechanical motion, comprising: .cndot. at least one subsystem called...
Voice Coil Motor
Disclosed is a voice coil motor, the motor including a mover having a bobbin equipped with a lens and a coil block secured to an outer circumference of the...
DRIVING APPARATUS AND DEVICE FABRICATION METHOD
A driving apparatus comprises a stator (21), a rotor (22) and a deformation connector (23). The rotor is connected to the stator through the deformation...
A linear motor includes a tubular yoke and a rod that penetrates the yoke in an axial direction, and is configured to displace the yoke and the rod relative to...
ELECTRIC MOTOR AND ELECTRIC CIRCUIT
An electric motor, in particular a printed circuit board, having a stator, and a linearly guided rotor. On the rotor, a bolt ring having a number of bolts is...
LINEAR ELECTROMECHANICAL ACTUATORS
An actuator includes a plurality of linear motors. A carriage is operatively connected to each linear motor to be driven by each of the linear motors. An...