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US20170302208 DRAIN PUMP DRIVING APPARATUS AND LAUNDRY TREATMENT MACHINE INCLUDING THE SAME  
Disclosed herein is a drain pump driving apparatus and a laundry treatment machine including the same. The drain pump driving apparatus and the laundry treatment machine including the same...
US20170302207 BRUSHLESS DIRECT CURRENT MOTOR WITH A RING MAGNET  
Provided herein is a BLDC motor having a control system, a rotor including a motor magnet having a plurality of alternating magnetic poles thereon, a stator and a ring magnet. The ring magnet is...
US20170302206 THREE-PHASE NEUTRAL-POINT-CLAMPED POWER CONVERSION DEVICE  
Current control section 2 performs PI control based on deviation between d-axis command current Id_cmd and d-axis detected current Id_det and deviation between q-axis command current Iq_cmd and...
US20170302205 CONTROL DEVICE FOR AN ELECTRIC MACHINE, A VEHICLE, AND A METHOD  
The invention relates to a control device for an electric machine with a stator and a rotor, comprising a temperature detection device which is designed to detect the temperature of the stator and...
US20170302204 Wind Converter Control for Weak Grid  
This disclosure relates to systems and methods for controlling a wind converter for a weak electrical grid. In one embodiment of the disclosure, a system for controlling the wind converter...
US20170302203 MOTOR CONTROL APPARATUS, SHEET CONVEYANCE APPARATUS, DOCUMENT FEEDING APPARATUS, DOCUMENT READING APPARATUS, AND IMAGE FORMING APPARATUS  
A PWM signal generation unit generates a PWM signal based on a driving voltage so that a midpoint of the longer period out of an H level period and an L level period in each PWM period matches a...
US20170302202 PERMANENT MAGNET MOTOR CONTROL FOR ELECTRIC SUBSEA PUMP  
A method includes monitoring electrical output in an open control loop from a variable speed drive to a remote permanent magnet motor, the variable speed drive electrically connected to the...
US20170302201 CONTROL APPARATUS OF ROTARY ELECTRIC MACHINE  
A control apparatus of a rotary electric machine which can be configured so that the upper limit of a vibration torque component, in which the rotary electric machine is made to output, is not...
US20170302200 BUCK-CONVERTER-BASED DRIVE CIRCUITS FOR DRIVING MOTORS OF COMPRESSORS AND CONDENSER FANS  
A drive circuit is provided and includes a rectification circuit, a buck converter, a first inverter, and a second inverter. The rectification circuit is configured to rectify a first AC voltage...
US20170302199 METHOD AND SYSTEM FOR CONTROLLING AN ELECTRIC MOTOR CONTROL INSTALLATION  
A control method implemented for an electric motor control installation, the control installation including a first converter having controlled switching arms for applying first voltage edges to a...
US20170302198 METHOD AND APPARATUS FOR THE DETECTION OF THE POSITION OF AN OPERATING SWITCH FOR STARTING AN ELECTRIC MOTOR  
An electric motor is connected to a voltage source via a drive circuit and, between the drive circuit and the voltage source, the operating switch is arranged for the switching of the supply...
US20170302197 FLEXURE SHEAR AND STRAIN ACTUATOR  
Systems and apparatuses are provided for increasing the possible force and/or travel generated in MEMS devices. For example, comb fingers may be utilized to form a strain actuator to generate...
US20170302196 INVERTER AND CONTROL METHOD THEREOF  
An inverter includes a first bridge leg, first to fourth MOSFET switches; a second bridge leg, connected in parallel with the first bridge leg, and fifth to eighth MOSFET switches; a third bridge...
US20170302195 CIRCUIT OF MULTI-LEVEL TOPOLOGY AND POWER CONVERTER  
A circuit of a multi-level topology includes five terminals and six switching elements. A first end of a first switching element (Q1) is connected to a first terminal (A1), and a second end of the...
US20170302194 SYNCHRONOUS RECTIFICATION CIRCUIT AND SWITCHING POWER SUPPLY THEREOF  
The present disclosure relates to a synchronous rectification circuit. Operation states of four transistor switches in the synchronous rectification circuit are adjusted in accordance with a...
US20170302193 SYNCHRONOUS RECTIFIER CIRCUIT AND CONTROL METHOD THEREOF  
A synchronous rectifier circuit can include: a full-bridge rectifier circuit having first, second, third, and fourth switches, where a common node of the first and fourth switches is configured as...
US20170302192 ELECTRICAL ARRANGEMENT AND METHOD FOR GENERATING A DIRECT CURRENT  
A rectifier arrangement includes at least one input alternating voltage terminal to which an alternating current can be supplied, at least two output direct voltage terminals at which direct...
US20170302191 Power Module, Power Converter Device, and Electrically Powered Vehicle  
A power converter device includes a double-sided electrode module in which an electrical wiring board and a power semiconductor element are molded with a resin material. The power converter device...
US20170302190 POWER CONVERSION APPARATUS CONFIGURED TO INCLUDE PLURALITY OF POWER CONVERTER CIRCUITS OF INVERTER CIRCUITS  
In a power converter apparatus, a first power converter circuit is configured of first power semiconductor devices, and a second power converter circuit is connected in parallel to the first power...
US20170302189 DEVICE FOR TEMPORARILY TAKING OVER ELECTRICAL CURRENT FROM AN ENERGY TRANSFER OR DISTRIBUTION DEVICE, WHEN NEEDED  
A device (2) for the on-demand commutation of an electrical current from a first line branch (14, 3; 36) to another, second line branch (4; 41; 71) is created, which has a number of power...
US20170302188 AUXILIARY POWER SUPPLY DEVICE FOR ELECTRIC ROLLING STOCK  
An auxiliary power supply device includes: a resonance-type inverter circuit to convert DC power input from a DC power supply to AC power, a primary coil for input of AC power from the inverter...
US20170302187 PROTECTION CIRCUIT AND SWITCHING POWER SUPPLY  
To operate a switching power supply again automatically (automatic return) after the switching power supply is stopped for protection. A protection circuit 6 includes a bipolar transistor Q1 that...
US20170302186 INSULATED DC/DC CONVERTER  
A primary-side controller comprises a feedback (FB) terminal coupled to a light-receiving element of a photocoupler so as to receive a feedback signal from the photocoupler, and a current...
US20170302185 SEMICONDUCTOR DEVICE AND METHOD THEREFOR  
In one embodiment, a power supply controller, or alternately a semiconductor device having a power supply controller, may have a first circuit configured to form a sense signal that is...
US20170302184 SEMICONDUCTOR DEVICE AND METHOD THEREFOR  
In one embodiment, a power supply controller, or alternately a semiconductor device having a power supply controller, may have a circuit configured configuring the PWM circuit to form a first...
US20170302183 PULSED LINEAR POWER CONVERTER  
The present invention relates to a switchable power converter comprising a switchable power stage for generating an output voltage according to a switching signal and an input voltage by means of...
US20170302182 SEMICONDUCTOR MODULE AND ELECTRIC POWER CONVERSION APPARATUS  
A semiconductor module includes an IGBT and a MOSFET. The IGBT is made of a silicon semiconductor. The MOSFET is made of a wide-bandgap semiconductor having a wider bandgap than the silicon...
US20170302181 POWER CONVERSION APPARATUS  
A power conversion apparatus includes a first semiconductor element pair that includes a MOSFET made of wide bandgap semiconductor material and a wide bandgap diode made of wide bandgap...
US20170302180 DC-DC CONVERTER  
A DC-DC power converter is described having a power converter input for receiving a supply voltage; a power converter output for outputting a converted supply voltage; a reference input for...
US20170302179 METHODS AND APPARATUS FOR ADAPTIVE TIMING FOR ZERO VOLTAGE TRANSITION POWER CONVERTERS  
An example apparatus includes a first switch having a control terminal, coupled to a voltage source and coupled to a switch node; a second switch having a control terminal, coupled to the switch...
US20170302178 DC-DC CONVERTER AND CONTROL CIRCUIT WITH LOW-POWER CLOCKED COMPARATOR REFERENCED TO SWITCHING NODE FOR ZERO VOLTAGE SWITCHING  
Disclosed examples provide DC-DC converters and control circuits to provide high and low-side driver signals and to selectively adjust a delay time between a low-side switching device turning off...
US20170302177 Methods and Apparatus for Adaptive Timing for Zero Voltage Transition Power Converters  
Described examples include a method of controlling a power converter including executing a plurality of cycles. Each cycle includes turning on a first switch during a first period, the first...
US20170302176 System and Method for a Switched-Mode Power Supply  
In accordance with an embodiment, a method of operating a switched-mode power includes turning on an output switch of the switched-mode power converter coupled to a supply output port of the...
US20170302175 SWITCHING MODE POWER SUPPLY WITH ADAPTIVE FREQUENCY  
Switching mode power supply (SMPS) having a switch circuit and a controller. The switch circuit has an output inductor and a switch with a minimum on time. A control signal is generated by the...
US20170302174 MULTIPHASE SWITCHING POWER SUPPLY WITH ROBUST CURRENT SENSING AND SHARED AMPLIFIER  
In a multiphase, current mode controlled switching power supply, current through the inductors in the various phases is sensed to determine when to turn off the switching transistors. An AC...
US20170302173 Compensation of Errors in Current Limiters  
The present disclosure applies to peak current limitation and also to ensuring that a minimum current condition is not exceeded, that is, that the current through a component remains at or above a...
US20170302172 A VOLTAGE REGULATOR MODULE USING A LOAD-SIDE AUXILIARY GYRATOR CIRCUIT  
The present invention introduces a new compact Voltage Regulator Module (VRM) solution that hybrids a buck converter with a resonant switched-capacitor auxiliary circuit that is connected at the...
US20170302171 DIGITALLY CONTROLLED POWER SUPPLY APPARATUS AND PRODUCTION MANAGEMENT SYSTEM  
A digitally controlled power supply apparatus includes: a switching device converting an input voltage to output a converted voltage based on gate signals that it has received; a smoothing circuit...
US20170302170 QUASI-ANALOG DIGITAL PULSE-WIDTH MODULATION CONTROL  
A power supply for a smooth power output level transitioning includes an energy storage circuit for temporarily storing electric energy for driving a load, a semiconductor switch for pulse-width...
US20170302169 POWER CONVERTING DEVICE  
A power converting device, in one possible configuration, includes a chopper circuit with a first semiconductor switching device, a fast recovery diode, and an inductor of which one end is...
US20170302168 Method and Device for Controlling a Charge Pump Circuit  
A charge pump circuit can be controlled by a control signal that is generated from a first signal coming from and output signal of the charge pump circuit, from a reference signal, and from a...
US20170302167 POWER CONVERSION APPARATUS  
Provided is a new control method that causes no time lag or hunting when a power conversion direction is reversed. The power conversion apparatus includes switching elements (S1 and S2) that...
US20170302166 DC-DC VOLTAGE CONVERTER AND ASSOCIATED CONTROL METHOD  
A DC-DC voltage converter and associated control method capable of dynamically adjusting upper boundary of the inductor current are provided. The DC-DC voltage converter is electrically connected...
US20170302165 CHOKE AND EMI FILTER CIRCUITS FOR POWER FACTOR CORRECTION CIRCUITS  
A converter circuit is provided and includes: a first EMI filter connected to AC lines and includes one or more across-the-line capacitors; a charging circuit that receives power from the first...
US20170302164 SWITCH-MODE POWER SUPPLY  
A switch mode power supply is described including a primary side for coupling to a mains supply and a secondary side for coupling to a device, an isolation transformer comprising a primary coil...
US20170302163 APPARATUS FOR CONTROLLING SOLAR LIGHT VOLTAGE  
The present invention relates to an apparatus for controlling a solar light voltage, which is capable of decreasing an output stage voltage of an AC EMC filter by connecting a load to an output...
US20170302162 Filtering Systems And Methods For Voltage Control  
A power factor correction (PFC) system includes an error control module that determines a first current demand based on a difference between a desired direct current (DC) voltage and a measured DC...
US20170302161 Input Reference Signal Generation Systems And Methods  
A power factor correction (PFC) system includes a PFC circuit that receives an alternating current (AC) voltage and that, using a switch, generates a direct current (DC) voltage from the AC...
US20170302160 Power Factor Correction Circuit and Method Including Dual Bridge Rectifiers  
A PFC circuit is provided. A first bridge rectifier receives an AC voltage. A power converter includes a switch and receives an output of the first bridge rectifier, converts the output to a first...
US20170302159 POWER FACTOR CORRECTION CIRCUITS AND METHODS INCLUDING PARTIAL POWER FACTOR CORRECTION OPERATION FOR BOOST AND BUCK POWER CONVERTERS  
A PFC circuit is provided. A bridge rectification circuit receives an AC voltage and generates a rectified AC voltage. A power converter converts the rectified AC voltage to a first DC voltage,...