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MOTOR PROTECTION RELAY AND METHOD FOR STARTING MOTOR OF MOTOR PROTECTION
The present disclosure relates to a motor protection relay and a method for starting a motor of the motor protection relay, and particularly, to a motor...
Arc Free Phase Control Alternatives for AC Motor Starters
An arc-free phase control circuit for an AC motor that brings about an energy saving effect according to a load change and operates efficiently in terms of...
POWER GENERATION DEVICE FOR MOBILE BODY
A power generation device for a mobile body includes power generating units and a holding member. Each power generating unit includes an elastically deformable...
SYSTEM FOR CONVERTING MECHANICAL AND/OR THERMAL ENERGY INTO ELECTRICAL
A system for converting energy, comprising a first device comprising a deformable enclosure containing thermo-reactive molecules suitable for deforming the...
CONVERTER FOR CONVERTING ENERGY TO BE RECOVERED AND ELECTRICITY GENERATOR
A converter including a transducer layer which moves anchoring points to deform a piezoelectric diaphragm by bending. The converter includes a rigid arm...
Micro Stage using piezo elements
Disclosed herein is a micro stage using a piezoelectric element that can be reliably operated even in a vacuum environment. In a particle column requiring a...
A driving device that causes a movable body to move stably with minimal backward movement. The driving device includes a plate-shaped driving unit with an...
COMB DRIVE WITH NON-PARALLEL OVERLAPPING COMB FINGERS
A comb drive includes an inactive comb finger array and an opposing active comb finger array positioned to oppose the inactive comb finger array and configured...
DC/AC CONVERTER APPARATUS CONFIGURABLE AS GRID-CONNECTED OR STAND-ALONE
AND POWER CONVERSION AND GENERATION...
A DC/AC converter apparatus comprising: input terminals (10) to be connected to a DC power source; a DC/AC conversion unit (11) adapted to receive input DC...
FIVE LEVEL INVERTER
A five level inverter comprises six switch tubes, two inductors, four capacitor units and two reverse current preventing devices. The common terminal of the...
Multi-Level Inverter Apparatus and Method
An inverter comprises a first input capacitor and a second input capacitor connected in series, an inverting unit comprising a first switch, a second switch, a...
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...
THREE-PHASE INVERTER APPARATUS AND CONTROL METHOD THEREOF
A three-phase inverter apparatus includes an inverter main circuit in three phases having a plurality of semiconductor switching devices to convert a DC...
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...
METHOD FOR CONTROLLING A VIENNA RECTIFIER
The invention is an optimized method for controlling a Vienna rectifier (10), comprising the following steps: on the basis of a characteristic ...
DISCHARING AN INPUT CAPACITOR OF A SWITCH MODE POWER SUPPLY
A method is disclosed of discharging an input capacitor of a switch mode power supply comprising a power switch and the input capacitor, through the power...
POWER SUPPLY WITH BY-PASS FUNCTION AND OPERATION METHOD
A power supply with by-pass function is provided. The power supply comprises an AC-to-DC converter, an input energy-storing capacitor, a ride through circuit,...
PREDICTIVE CURRENT CONTROL IN BIDIRECTIONAL POWER CONVERTER
A power converter can be controlled to generate a target output power. The control process may include obtaining a target current reference for the power...
REFERENCE CURRENT GENERATION IN BIDIRECTIONAL POWER CONVERTER
A power converter can be controlled to generate a target output power based on a reactive power reference and an active power reference. The control process...
SUBMODULE FOR MODULAR MULTI-LEVEL CONVERTER AND APPLICATION THEREOF
A sub-module for a modular multi-level converter, a converter comprising the sub-module, and an application thereof. The sub-module comprises a first switching...
REDUNDANT CONTROL DEVICE AND METHOD OF HVDC SYSTEM
A redundant control device of a high voltage direct current (HVDC) transmission system is provided. The redundant control device includes a first system and a...
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...
SYSTEMS AND METHODS FOR CURRENT SENSING IN A POWER SYSTEM
A power system may include a subsystem, a capacitor coupled to the subsystem, a resistor coupled in series with the capacitor, and a controller. The subsystem...
OVERVOLTAGE PROTECTION CIRCUIT
An overvoltage detection circuit for a power converter a current augmentation circuit coupled to receive a sense signal representative of an output voltage of...
TRANSMISSION VOLTAGE LOSS COMPENSATION CIRCUIT, COMPENSATION METHOD,
CONTROLLING CHIP AND SWITCHING POWER SUPPLY
In one embodiment, a method of compensating for transmission voltage loss from a switching power supply, can include: (i) receiving a sampling signal that...
SECONDARY CONTROLLER FOR USE IN SYNCHRONOUS FLYBACK CONVERTER
A secondary controller for use in a power converter includes a drive circuit coupled to a secondary side of the power converter. The drive circuit is coupled...
POWER CONVERTER, SWITCH CONTROL CIRCUIT AND SHORT CIRCUIT DETECTION METHOD
FOR CURRENT SENSING RESISTOR OF THE...
The present invention discloses a power converter, a switch control circuit, and a short circuit detection method for current sensing resistor of the power...
Circuit and Method for Controlling Minimum On-Time of a Flyback Power
Converter During Light Load Operation
A control circuit of a flyback power converter utilizes at least one of the information of an input voltage and an output voltage of the flyback power...
POWER SUPPLY APPARATUS WITH EXTENDING HOLD UP TIME FUNCTION
A power supply apparatus with extending a hold up time function includes a transformer, a winding switching unit and a detection unit. The transformer includes...
CONTROL CIRCUIT WITH HYSTERESIS FOR A SWITCHING VOLTAGE REGULATOR AND
RELATED CONTROL METHOD
A control circuit for a switching voltage regulator is configured to receive an error signal representative of a regulator output voltage in relation to a...
MULTI-PHASE HYSTERETIC BUCK SWITCHING REGULATOR
Methods, systems, circuits, devices, and apparatuses are described for multi-phase hysteretic buck switching regulators. Systems, circuits, devices, and...
SEMICONDUCTOR DEVICE AND MOTOR CONTROL UNIT
A semiconductor device includes a first switching element, a pre-driver, a coil, a second switching element and a capacitor. The first switching element is...
VOLTAGE CONVERSION APPARATUS
A voltage conversion apparatus includes a booster circuit, a boost stop circuit, a Zener diode, and a capacitor. The boost stop circuit includes a transistor....
SWITCHING POWER SUPPLY DEVICE CONTROL CIRCUIT AND SWITCHING POWER SUPPLY
A switching power supply device enables measures against noise even when the conducted EMI standard is expanded to a low frequency region. A jitter control...
POWER SUPPLY CIRCUIT AND CONTROL METHOD THEREOF
According to one embodiment, a power supply circuit comprises a high-side switch having a plurality of switching transistors connected in parallel and a...
SWITCHING LOSS CORRECTION CIRCUITRY AND METHOD
A circuit that stores characterized loss information for a buck converter and uses the characterized loss information instead of measurements involving output...
Method for Operating a Power Converter Circuit and Power Converter Circuit
In accordance with an embodiment, a method includes converting power by a power converter circuit having a plurality of converter cells coupled to a supply...
ANALOG ASSISTED DIGITAL SWITCH REGULATOR
A device includes a digital switch regulator to supply an output voltage and a first current to a load based on a reference voltage. The device also includes...
SWITCHED MODE POWER SUPPLY HAVING A STAIRCASE CURRENT LIMIT
Disclosed is switching power supply that includes a pulse frequency modulation (PFM) mode of operation current feedback control. A reference current source is...
A DC-to-DC converter includes an input terminal connected to a DC power source. An output terminal is connected to a load. A reactor is disposed between the...
A semiconductor device according to an embodiment comprises a first transistor capable of supplying or interrupting power to a load. A clamper comprises a...
In a charge pump circuit, a first circuit is configured to provide a first node with a first first-voltage level or a first second-voltage level. A second...
FAST BLOCKING SWITCH
A fast blocking switch includes, for example, an energy storage device, a first power switch and a second power switch. The energy storage device stores a...
METHOD AND APPARATUS FOR TRANSMISSION OF LOGICAL SIGNALS
In one embodiment, a method comprising receiving a logical signal; driving a source voltage at a first circuit node using a driver circuit; generating an...
Provided is a conversion device that converts DC power provided from a DC power supply, to AC power and supplies the AC power to a load, the conversion device...
Hysteretic Current Control with Event Dithering
Systems and methods implementing dithered hysteretic current control are discussed. One system can include a switched-mode power supply, a control component,...
METHOD FOR WRITING STATUS DATA, COMPUTER PROGRAM, COMPUTER PROGRAM
PRODUCT, DIGITAL CONTROLLER, POWER...
A method for writing status data regarding the operation of a power converter provided for converting an input voltage to an output voltage and which comprises...
HIGH-EFFICIENCY ENERGY HARVESTING INTERFACE AND CORRESPONDING ENERGY
An electrical-energy harvesting system envisages a transducer for converting energy from an environmental energy source into a transduced signal, an electrical...
ELECTRICAL POWER SUPPLY SYSTEM
The principles described herein provide an electrical power supply system having circuitry that reduces the noise and interference of harmonic signals...
Using PMOS Power Switch In A Combination Switching And Linear Regulator
A P-MOS transistor may be used as either a switch in a DC-DC converter or as a pass transistor of a linear regulator. When a supply voltage is above a certain...