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Patent # Description
2016/0248366 MOTOR CONTROLLER, SHEET CONVEYING DEVICE, AND IMAGE FORMING APPARATUS
A motor controller includes a drive control portion. The drive control portion is configured to: execute feedback control of a drive current to be supplied to...
2016/0248365 POWER CONVERTER
Reduced is occurrence of hunting in which a power factor corrector continuously turns on and off alternately for a short period of time. A power factor...
2016/0248364 VARIABLE SPEED DRIVE WITH TOPSIDE CONTROL AND SUBSEA SWITCHING
According to some embodiments, functionality of a conventional variable speed drive (VSD) for driving a subsea electric motor is "split" with the CPU with...
2016/0248363 MULTI-PULSE CONSTANT VOLTAGE TRANSFORMER FOR A VARIABLE SPEED DRIVE IN CHILLER APPLICATIONS
A multi-pulse transformer with multiple taps provides a constant magnitude voltage output to a variable speed chiller's compressor motor over a range of input...
2016/0248362 Hybrid Soft Switching for Current Regulation in Switched Reluctance Machines
A method of regulating a phase current of an electric motor is provided. The method may include selectively enabling one or more switches of each phase of the...
2016/0248361 OSCILLATING-RESONANT-MODULE CONTROLLER
The current document is directed to various types of oscillating resonant modules ("ORMs"), including linear-resonant vibration modules, that can be...
2016/0248360 LOAD TORQUE ESTIMATION APPARATUS, IMAGE FORMING APPARATUS, LOAD TORQUE ESTIMATION METHOD AND RECORDING MEDIUM
A load torque estimation apparatus includes an acquisition unit configured to acquire a smoothed signal, the smoothed signal being obtained by smoothing a...
2016/0248359 CONTROL DEVICE FOR ROTATING ELECTRICAL MACHINE
A rotating electrical machine has a rotor having a field winding and a stator having an armature winding. A control device adjusts a field current flowing in...
2016/0248358 METHOD AND SYSTEM FOR CONTROLLING AN AUTOMOTIVE VEHICLE THREE-PHASE ELECTRIC MACHINE SUPPLIED VIA CHOPPED VOLTAGES
A system for controlling an automotive vehicle three-phase electric machine supplied via chopped voltages, including: a mechanism determining settings of...
2016/0248357 VARIABLE-SPEED OPERATION CONTROL APPARATUS AND HYDROELECTRIC POWER GENERATION SYSTEM
According to one embodiment, there is provided a variable-speed operation control apparatus of a hydroelectric power generation system including a power...
2016/0248356 DRIVING SYSTEM, APPARATUS AND METHOD FOR SPINDLE MOTOR
A driving method for a spindle motor and associated driving system and apparatus are provided. The driving method includes the following steps. Plural...
2016/0248355 MOTOR DRIVING DEVICE, METHOD FOR CONTROLING MOTOR, AND CALCULATION DEVICE FOR CALCULATING ANGLE INFORMATION OF...
Provided is a motor driving device. The motor driving device includes a motor controller configured to output a first phase signal, a second phase signal, and...
2016/0248354 ROTOR POSITION ESTIMATION APPARATUS AND METHODS
Motor drives, methods and estimation systems are presented for estimating a rotor position of a motor load in which four sets of inverter output current...
2016/0248353 METHOD, APPARATUS AND SYSTEM FOR OPERATING A ROTATING ELECTRIC MACHINE
The invention provides a method, an apparatus and a system 1 for operating a rotating electric machine. The method has the following steps: defining (S01) a...
2016/0248352 DIRECT-CURRENT POWER SUPPLY DEVICE, MOTOR DRIVING DEVICE, AIR CONDITIONER, AND REFRIGERATOR
A direct-current power supply device includes a rectifier connected to a power supply, a charge storage unit configured by a first capacitor and a second...
2016/0248351 MULTI-PHASE MOTOR CONTROL APPARATUS AND ELECTRIC POWER STEERING APPARATUS USING THE SAME
A multi-phase motor control apparatus that reduces the occurrence of the vibrations and the noises by setting the shift amount per time more finely after...
2016/0248350 POWER CONVERTER
A power converter that reduces a ripple of a torque and a ripple of an electric current in a switch period, having a controller including an instruction...
2016/0248349 POWER CONVERTER
A power converter a controller that includes an instruction calculator calculating a first voltage instruction value that is applied to a first winding group,...
2016/0248348 SHREDDER LOAD OPTIMIZATION SYSTEM AND METHOD
An electrical power load optimization system operable to regulate a power supply to one or more industrial machines so that a load imposed on the power supply...
2016/0248347 ELECTRIC MOTOR CONTROL DEVICE
The electric motor control device includes: an inverter circuit 20 which converts DC power of a DC power supply 90 into AC power; and a switching control...
2016/0248346 METHOD AND APPARATUS FOR IDENTIFYING DISCHARGE FAILURE OF A PIEZOELECTRIC CIRCUITRY
The present disclosure discloses a method and apparatus for identifying discharge failure of a piezoelectric circuitry. The apparatus comprises a piezoelectric...
2016/0248345 Energy Collection
An energy collection system may collect and use the energy generated by an electric field. Collection fibers are suspended from a support system. The support...
2016/0248344 HYBRID CIRCUIT DEVICE
A circuit device comprises a circuit board and a plurality of leads each comprising an island portion, a bonding portion elevated from the island portion, and...
2016/0248343 RENEWABLE ENERGY POWER GENERATION SYSTEMS
We describe a modular adjustable power factor renewable energy inverter system. The system comprises a plurality of inverter modules having a switched...
2016/0248342 METHOD TO CONTROL THREE-PHASE INVERTER VOLTAGE
A method is provided to control the output voltage across an unbalanced load connected to a three-phase inverter, The method includes transformation of a set...
2016/0248341 VOLTAGE SOURCE CONVERTER
A voltage source converter includes DC terminals, a plurality of single-phase limbs, and a controller. Each single-phase limb includes a phase element and...
2016/0248340 Circuit Arrangement with a Rectifier Circuit
In accordance with an embodiment, a method includes receiving by a drive circuit electrical power from a voltage tap of a first rectifier circuit that includes...
2016/0248339 RECTIFYING CIRCUIT FOR HIGH-FREQUENCY POWER SUPPLY
Disclosed is a rectifying circuit for high-frequency power supply that rectifies an alternating voltage at a high frequency equal to or higher than 2 MHz, the...
2016/0248338 Power Conversion Apparatus
A module of conversion circuit includes a High side IGBT, a Low side IGBT connected in series to the High side IGBT, a first terminal connected to the High...
2016/0248337 Power Conversion Apparatus
A power conversion apparatus that is configured by a plurality of conversion circuit modules which are connected to each other in parallel, includes a first...
2016/0248336 INVERTER DEVICE
An inverter device applies an excitation current to an excitation winding of a step-up transformer through a switching element, and outputs an output voltage...
2016/0248335 CONTROL METHOD FOR DIRECT POWER CONVERTER
A converter performs full-wave rectification on a single-phase voltage, thus outputting a rectified voltage across DC power supply lines. An inverter receives...
2016/0248334 MOTOR DRIVE WITH LCL FILTER INDUCTOR WITH BUILT-IN PASSIVE DAMPING RESISTOR FOR AFE RECTIFIER
Power conversion systems, filter circuits and integrated filter resistor and inductor apparatus are presented, in which a damping resistor is integrated with a...
2016/0248333 DC-DC Converter Apparatus
To achieve reduction in size and reduction in cost of a DC-DC converter apparatus. Rectifier elements and are installed onto a metal base, and a drive circuit...
2016/0248332 Switching Power-Supply Device
A switching power-supply device includes: a transformer including a primary coil and a secondary coil; a rectifying-and-smoothing circuit; a series circuit...
2016/0248331 CIRCUITRY AND METHOD FOR ADJUSTING OUTPUT VOLTAGE
The present invention discloses a circuitry for adjusting output voltage, which is set between an input voltage source and an internal device, and the...
2016/0248330 VOLTAGE SUPPLY UNIT AND METHOD FOR OPERATING THE SAME
A voltage supply unit includes a regulator unit, a current mirror, and a cascode unit. The regulator unit is configured to receive first and second voltage...
2016/0248329 BUCK POWER STAGE WITH MULTIPLE MOSFET TYPES
A buck voltage converter is disclosed. The buck voltage generator includes a controller configured to generate one or more pulse width modulation (PWM)...
2016/0248328 FAST TRANSIENT POWER SUPPLY WITH A SEPARATED HIGH FREQUENCY AND LOW FREQUENCY PATH SIGNALS
A power interface device includes a main switching converter, an auxiliary switching converter, and a feedback sense circuit. The main switching converter is...
2016/0248327 CONTROL ARCHITECTURE WITH IMPROVED TRANSIENT RESPONSE
A power supply system includes a power source; a load device configured to receive power from the power source; and a power interface device coupled to the...
2016/0248326 SEMICONDUCTOR DEVICE
A semiconductor device includes a plurality of transistors, each having a gate electrode including extending portions having a length obtained by dividing the...
2016/0248325 SEMICONDUCTOR DEVICE AND CONTROL METHOD THEREOF
According to one embodiment, a DC-DC converter 1 includes a power supply unit 12 that includes an inductor L1 and a switching unit and generates an output...
2016/0248324 PULSE TRANSLATION MODULATION FOR POWER CONVERTERS
A control method is provided for a power converter comprising a switched power stage configured to generate an output voltage from an input voltage according...
2016/0248323 CONTROL MODULE WITH AN ESTIMATOR OF AN INPUT ELECTRIC QUANTITY FOR A SWITCHING CONVERTER AND METHOD FOR...
Described herein is a module for controlling a switching converter, which includes at least one inductor element and one switch element and generates an output...
2016/0248322 FAST RESPONSE CONTROL CIRCUIT AND CONTROL METHOD THEREOF
In one embodiment, a control circuit configured to control a switch mode power supply, can include: (i) a compensation signal generating circuit configured to...
2016/0248321 DC/DC Converter
It is presented a DC/DC converter for converting power between a first DC connection comprising a first positive terminal and a first negative terminal, and a...
2016/0248320 POWER-SUPPLY CONTROL DEVICE
A power-supply control device that includes a transistor that is interposed between a power source and a load; a control circuit to which a voltage from the...
2016/0248319 RESONANCE DETECTION AND FILTERING CIRCUITRY
A circuit and method to filter a signal is provided. The circuit includes a notch filter circuit to receive an input signal and first and second tuning signals...
2016/0248318 POWER CONVERTER AND AIR CONDITIONER
Disclosed herein is a technique for substantially preventing, in a power converter including a boost power factor correction section, the power factor...
2016/0248317 CONTROL SYSTEM FOR INVERTER
A control system includes an electronic control unit. The electronic control unit is configured to execute three-phase ON control such that two transistors...
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