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Patent # Description
US-9,344,031 Concentrator-driven, photovoltaic power generator
A concentrator-driven, photovoltaic power generator system and method for capturing and transmitting electromagnetic radiation utilizing a reflector having a...
US-9,344,030 Solar cell module, and production method for solar cell module
A solar cell module is configured from a solar cell panel, and a frame structural body. The frame structural body is provided with: a plurality of frame members...
US-9,344,029 Asynchronous motor unit comprising a frequency converter with electrical isolation in the DC voltage...
The invention relates to an asynchronous motor unit including a frequency converter for regulating the asynchronous motor. The frequency converter comprises an...
US-9,344,028 Traction motor retarding flux reference
A traction motor system calculates motor flux by generating a real time effective resistance of a resistance grid calculated from motor torque and measured...
US-9,344,027 Motor drive add-on pre-charge capacitive module and method
A method for pre-charging a motor drive system includes: pre-charging a motor drive through a motor DC bus where desired, pre-charging an add-on capacitive...
US-9,344,026 Induction motor flux and torque control
An induction motor controller is provided. The induction motor controller includes a first module that derives a commanded stator voltage vector, in a stator...
US-9,344,025 Wind farm and method for operating a wind farm
A method for operating a wind farm and to a wind farm is disclosed. When a wind farm and the wind energy installations involve target values for the reactive...
US-9,344,024 Occlusion detection using pulse-width modulation and medical device incorporating same
Apparatus are provided for motor control systems and related medical devices. In one embodiment, a control system includes a motor having a rotor, a modulation...
US-9,344,023 Motor device
A motor device includes a motor unit and a converter unit. The motor unit includes an inverter circuit; an inverter drive circuit; a brushless DC motor...
US-9,344,022 Circuits and methods for driving resonant actuators
The present disclosure includes circuits and methods for driving resonant actuators. In one embodiment, a drive signal is applied to an actuator during a...
US-9,344,021 Inverter circuit for an electric machine
An inverter circuit electrically connects between a high-voltage bus and a multi-phase electric machine, including a plurality of switch pairs. Each switch pair...
US-9,344,020 Power conversion apparatus and electrical-mechanical energy conversion system
A power conversion apparatus includes arms in each of which one or more unit converters each including a capacitor and capable of outputting an arbitrary...
US-9,344,019 Control device and method for AC rotating machine, and electrical power steering device
Provided is a control device for an AC rotating machine, for controlling the AC rotating machine including a plurality of sets of windings. The control device...
US-9,344,018 Method for making a motor quieter
The method is for making a brushless direct-current (DC) motor quieter. A predetermined high frequency pulse width modulated (PWM) signal is generated. The PWM...
US-9,344,017 Driving circuit and driving method thereof
A driving circuit drives a motor containing a first coil and a second coil. The driving circuit includes a switching unit, an operation unit and a control unit....
US-9,344,016 Storage module voltage equalizer, storage device, and operating machine
A storage module voltage equalizer includes a plurality of voltage equalization circuits that are prepared to correspond to a plurality of storage cells which...
US-9,344,015 Variable speed control apparatus and operation method
According to one embodiment, there is provided a variable speed control apparatus applied to a variable speed system of secondary excitation including a double...
US-9,344,014 Piezoelectric device
Piezoelectric harvesting devices are disclosed herein. An embodiment of a harvesting device includes a cantilever having a resonant frequency associated...
US-9,344,013 Vehicle seat comprising a motorized adjustable part, electric control unit of a motor vehicle
A motor vehicle seat comprising an adjustable part, a fixed part, and an adjustable mechanism comprising a traveling wave piezoelectric motor having a rotor and...
US-9,344,012 Control system for ultrasonic motors
A method for controlling an ultrasonic motor coupled to a motor driver circuit, comprises obtaining a position of a first encoder coupled to the ultrasonic...
US-9,344,011 Systems and methods for generating power for an electric sub-assembly of a motor vehicle
A system for generating power for an electric sub-assembly of a motor vehicle may include at least one reverse electrowetting energy harvesting element coupled...
US-9,344,010 Power electronic converter
A power electronic converter (30), for connecting AC and DC networks (46,44) and transferring power therebetween, comprises: first and second DC terminals...
US-9,344,009 Inverter circuit, power converter circuit, and electric vehicle
An object is to reduce, with the control circuit of the full-bridge inverter circuit, distortions in an output signal of the inverter circuit resulting from an...
US-9,344,008 Portable alternating current inverter having reduced impedance losses
A portable power supply apparatus is provided having reduced impedance losses. The portable power supply apparatus is comprised of: a portable housing; a...
US-9,344,007 Auxiliary resonant commutated pole converter with voltage balancing circuit
A resonant power converter is provided. The resonant power converter comprises a balancing circuit for balancing the voltage in a feeding connection. The...
US-9,344,006 Driving circuit for a transistor
In various embodiments, a driving circuit for a transistor is provided, wherein the transistor may include a transistor having a control terminal, a diode, a...
US-9,344,005 Method and apparatus for producing three-phase current
Exemplary embodiments are directed to methods and systems for producing a three-phase current to a three-phase output. Switching converters are used to generate...
US-9,344,004 Power conversion system
The invention relates to a power conversion system, wherein a first switch is connected between a input voltage source and a second switch, wherein the second...
US-9,344,003 Inverter and power conversion device including the same
A control section generates a quasi-sine wave with a plurality of gradation voltages including power supply voltages from DC power supplies with different...
US-9,344,002 Adaptive sampling circuit for detecting the demagnetized voltage of the transformer
An adaptive sampling circuit of the power converter according to the present invention comprises a sample-and-hold unit and a signal-generation circuit. The...
US-9,344,001 Inverter circuits for electrical machines
An inverter circuit comprises an inverter which can be configurable for controlling the supply of mains current from a grid to an electric machine in a start-up...
US-9,344,000 Power module varying bias power and distributed power supply apparatus
There are provided a power module in which a bias voltage is varied and supplied to a control circuit controlling power conversion when an idle mode is switched...
US-9,343,998 Load control device for high-efficiency loads
A two-wire load control device (such as, a dimmer switch) for controlling power delivered from an AC power source to an electrical load (such as, a ...
US-9,343,997 Load control device for high-efficiency loads
A two-wire load control device (such as, a dimmer switch) for controlling power delivered from an AC power source to an electrical load (such as, a ...
US-9,343,996 Method and system for transmitting voltage and current between a source and a load
For transmitting voltage and current between a source and a load, a magnetic amplifier with a power winding connectable with the source and the load and with at...
US-9,343,995 Power conversion device
A power converter includes a first arm configured by connecting a diode to a switching element, a second arm configured by connecting a diode to another...
US-9,343,994 Power conversion apparatus having two secondary winding groups
A power conversion apparatus including a three-phase transformer interconnected to a three-phase power system, the three-phase transformer including a primary...
US-9,343,993 DC/AC converter and method of controlling a DC/AC converter
A DC/AC converter includes a DC/DC conversion stage with galvanic isolation and a DC/AC conversion stage, wherein the DC/DC conversion stage comprises a pair of...
US-9,343,992 Power converter with low standby power consumption
A power converter for converting an AC input of between frequency F1 at voltage V1 and frequency F2 at voltage V2 into a stable AC output of frequency F3 and...
US-9,343,991 Current balance control for non-interleaved parallel bridge circuits in power converter
Systems and methods for reducing current imbalance between parallel bridge circuits used in a power converter of a power generation system, such as a wind...
US-9,343,990 Low current consumption electrical control switch
The invention provides a low current consumption control switch device and method related thereto. The control switch device includes a switch control...
US-9,343,989 Method for controlling a cycloconverter, electronic control device therefor, cycloconverter, and computer program
In a method for controlling a cycloconverter having six converter branches connected in series, in which converter branches electrical energy stores are...
US-9,343,988 Current mode regulator
Circuits, systems, and methods of current mode regulation include a primary side for receiving an input signal and a secondary for outputting an output signal....
US-9,343,987 Method and device for frequency generation for a resonance converter
A method and an activation circuit for frequency generation for a resonance converter that is driven by a half bridge or a full bridge. An activation circuit...
US-9,343,986 Power converter with current feedback loop
In a power converter, a driver drives a switching element using a manipulated variable therefor to convert input power into output power. A first measuring unit...
US-9,343,985 Power supply apparatus and image forming apparatus
The power supply apparatus includes a transformer having a primary side and a secondary side insulated from each other, a switch element for switching current...
US-9,343,984 Controller of a power converter with adjustable jitter amplitude and method of generating adjustable jitter...
A controller of a power converter with adjustable jitter amplitude includes a feedback pin, a logic circuit, an auxiliary pin, and a current sensing pin. The...
US-9,343,983 Controller for generating jitters in a constant current mode of a power converter and method thereof
A controller for generating jitters in a constant current mode of a power converter includes a current pin, an auxiliary pin, a constant current control unit,...
US-9,343,982 Primary-side controlled programmable power converter
A circuit for controlling a programmable power converter is provided. The circuit comprises a control circuit, a switching controller, and a first opto-coupler....
US-9,343,981 Charging device for charging a battery pack
A charging device for charging a battery pack, having a control circuit for a switched-mode power supply transformer assigned to the charging device, the...
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