217977 ⎘
Conversion of ac power input into dc power output; Conversion of dc power input into ac power output; Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode; Converters with outputs that each can have more than two voltages levels Neutral point clamped inverters
Thermal stress reduction in aircraft motor controllers
#602Thermal stress reduction in aircraft motor controllers
#603Three-level power conversion circuit system
#604Drive circuit for electrical load
#605Multi-level rectifiers
#606Method and apparatus for producing three-phase current
#607Inverter circuit
#608Current limiting control method for diode neutral-point-clamped three-level inverter and related circuit
#609Resonant converters and methods
#610Bidirectional power conversion with fault-handling capability
#611Power converter capable of outputting a plurality of different levels of voltages
#612Semiconductor module, upper and lower arm kit, and three-level inverter
#613Multilevel converter
#614Electric drivetrain of a device, and gas compression equipment including such a drivetrain
#615Power converter and method for balancing voltages across input capacitors
#616Semiconductor device
#617Multilevel inverter
#618Multilevel electronic power converter
#619Method for controlling harmonics and resonances in an inverter
#620System and method for common-mode elimination in a multi-level converter
#621Operating method for an inverter and grid fault tolerant inverter
#622Capacitor arrangement for an intermediate circuit of a voltage converter
#623Laminated busbar for power converter and the converter thereof
#624Drive unit for an electric motor
#625Staggered parallel three-level DC/DC converter and AC/DC converter
#626Power supply unit for converting power between DC and AC and operating method of the same
#627DUAL-DC BUS STARTER/GENERATOR
#628Multilevel converter circuit for generating a plurality of voltage levels
#629Gate driving circuit and inverter having the same
#630Multilevel power converter system and method
#631Grounding scheme for modular embedded multilevel converter
#632Power system-interconnected inverter device
#633Inverter device
#634DC-link voltage balancing control for multilevel inverters
#635Intelligent level transition systems and methods for transformerless uninterruptible power supply
#636Space vector modulation for multilevel inverters
#637Multi-level voltage converter
#638Control method for multilevel power conversion circuit
#639Multi-level inverter apparatus and methods using variable overcurrent response
#640Three-level phase leg for a power converter
#641SCALABLE-VOLTAGE CURRENT-LINK POWER ELECTRONIC SYSTEM FOR MULTI-PHASE AC OR DC LOADS
#642Power converter and method of assembling the same
#643Method and apparatus for zero-sequence damping and voltage balancing
#644High voltage high power multi-level drive structure
#645Three-level unit inverter system
#646Procedures for the operation of an electrical circuit
#647Multilevel inverter device and method
#648INVERTER CIRCUIT HAVING A JUNCTION GATE FIELD-EFFECT TRANSISTOR
#649Compensating ripple on pulse with modulator outputs
#650Thermal stress reduction in aircraft motor controllers
#651Voltage source converter (VSC) with neutral-point-clamped (NPC) topology and method for operating such voltage source converter
#652Inverter
#653Multilevel power converter
#654Power circuit, converter structure and wind power generation system thereof
#655Multiple inverter and active power filter system
#656Audio amplifier using multi-level pulse width modulation
#657Power conversion apparatus
#658Redundancy structures for static converters
#659Reactive energy compensator comprising N parallel inverters, N capacitor banks, and means for connecting the banks through passive electrical components
#660High-voltage power converter
#661Multi-level inverter control method and controller for a wind generation power system
#662Reactive energy compensator and associated method for balancing half-bus voltages
#663High-efficiency, three-level, single-phase inverter
#664Circuit topology for a phase connection of an inverter
#665Multi-phase converter system and method
#666Neutral point clamped (NPC) power converter fault protection system
#667Electric circuit for high voltage power conversion
#668SINGLE STAGE POWER CONVERSION SYSTEM
#669Neutral point clamped converter control system and control method and compensation unit
#670Neutral point clamped converter control systems and methods
#671Power converter based on H-bridges
#672Current vector controlled deadtime for multilevel inverters
#673Power conversion device
#674Method for the operational control of an inverter
#675INTEGRATED INVERTER APPARATUS AND METHOD OF OPERATING THE SAME
#676Electric power conversion device
#677CONTROL ARCHITECTURE FOR A MULTI-LEVEL ACTIVE RECTIFIER
#678Three-phase rectification module, the system thereof and harmonic suppression method
#679Double module for a modular multi-stage converter
#680ACTIVE ISOLATED POWER SUPPLY WITH MULTIPLE OUTPUTS
#681Interface arrangement between AC and DC systems using grounding switch
#682Medium voltage variable frequency driving system
#683Power semiconductor module, electric-power conversion apparatus, and railway vehicle
#684Power compensation apparatus and method for renewable energy system
#685Power conversion system
#6862N+1 level voltage inverter
#687DC-TO-AC CONVERTER SYSTEM AND DC-TO-AC CONVERTER CIRCUIT
#688Method and controller for controlling an electrical converter configured for generating an AC current for at least two phases
#689Single phase inverter topology method
#690Load-segmentation-based 3-level inverter and method of controlling the same
#691SWITCHING BRANCH FOR THREE-LEVEL RECTIFIER, AND THREE-PHASE THREE-LEVEL RECTIFIER
#692Snubber circuit and inverter with the same
#6933-level pulse width modulation inverter with snubber circuit
#694Method and device for determining a control scheme for an active power filter
#695Switching loss reduction in converter modules
#696Power conversion apparatus and methods employing variable-level inverters
#697System and method for offsetting the input voltage unbalance in multilevel inverters or the like
#698Bootstrap gate drive for full bridge neutral point clamped inverter
#699Inverter apparatus including control circuit employing two-phase modulation control, and interconnection inverter system including the inverter apparatus
#700Power converter
#701PULSE WIDTH MODULATED CONTROL FOR HYBRID INVERTERS
#702Three-level active neutral point clamped zero voltage switching converter
#703Control system for wind farms with aerogenerations provided with modular converters
#704DEVICE AND METHOD FOR CONVERTING DIRECT CURRENT INTO ALTERNATE CURRENT
#705Three-level power conversion apparatus
#706Fast switching for power inverter
#707Fast switching for power inverter
#708Mechanical arrangement of a multilevel power converter circuit
#709Three level inverter device
#710Three-phase power supply with three-phase three-level DC/DC converter
#711Switching branch for three-level converter and method for controlling switching branch of three-level converter
#712Power semiconductor module
#713Control method for converting power, and electronic power converter adapted to carry out said method
#714Circuit for converting power between a three-phase grid and a single-phase grid
#715Multi-phase power converters and integrated choke therfor
#716Power conversion apparatus
#717Multilevel inverter
#718LINE AND NEUTRAL POINT CLAMPED INVERTER
#719Highly efficient half-bridge DC-AC converter
#720Multilevel regeneration drive system
#721Power conversion device
#722THREE LEVEL POWER CONVERTING DEVICE
#723Three-level inverter, power conditioner, and power generating system
#724Power conversion device
#725Laminated bus bar
#726INVERTER FOR SOLAR CELL ARRAY
#727Multilevel unidirectional rectifier with N-2 switches per phase leg
#728T-type three-level inverter circuit
#7293-phase high-power UPS
#730Power converting apparatus with an output voltage that is the sum of voltages generated by individual inverters
#731System and method for protection of a multilevel converter
#732Method of controlling an NPC inverter operating in overmodulation
#733Power semiconductor device and power conversion system using the device
#734Semiconductor device
#735DC to AC power converting apparatus
#736Converter device and uninterruptible power supply equipped with such a device
#737Controller for a rotating electrical machine
#738Power conversion device for converting DC power to AC power
#739Power supply system for an element, among a rotor and a stator of an electric machine, and method for controlling such system
#740DC-link voltage balancing system and method for multilevel converters
#741Boost multilevel inverter system
#742Circuit for use with energy converter
#743Switching device failure detection system and method for multilevel converters
#744Power conversion apparatus
#745Converter device and uninterruptible power supply equipped with such a device
#746POWER CONVERSION EQUIPMENT
#747Multilevel converter operation
#748Operation of a three level converter
#749Converter device and uninterruptible power supply provided with such a device
#750Method of and apparatus for controlling three-level converter using command values
#751Method for operating an inverter, and inverter
#752DC-AC inverters
#753Inverter
#754System and method for controlling current in gradient coil of magnetic resonance imaging system
#755Signal converter for generating switch drive signals for a multi-level converter, drive circuit, pulse-width-modulation signal generator, multi-level converter, methods and computer program
#756Power conversion device
#757Universal three phase controllers for power converters
#758ELECTRIC CIRCUIT FOR CONVERTING DIRECT CURRENT INTO ALTERNATING CURRENT
#759Inverter topologies usable with reactive power
#760POWER MODULE WITH ADDITIONAL TRANSIENT CURRENT PATH AND POWER MODULE SYSTEM
#761Adjustable frequency drive and system
#762Semiconductor power conversion apparatus
#7633-level power converter
#764Method and apparatus for electrical bus centering
#765Solar inverter and control method
#766Medium voltage inverter system
#767Transformerless photovoltaic grid-connecting inverting device and control method thereof
#7683N-4-level voltage inverter
#7693-phase high power UPS
#770DC-to-AC power conversion system and method
#771Electric power conversion apparatus having frequency fixing unit to control beat phenomenon
#772Device for feeding electric energy into a power grid and DC converter for such a device
#773Three-Level Inverter
#774Power conversion architecture with zero common mode voltage
#775Semiconductor module for use in power supply
#776Universal three phase controllers for power converters
#777Plasma Display Apparatus
#778Method to create PWM switching with near zero common mode noise
#779AC motor driving circuit and electric vehicle driving circuit
#780Three-phase inverter
#781Power conversion device and fabricating method for the same
#782Three-level power converting apparatus
#783Apparatus for feeding electrical energy into a power grid and DC voltage converter for such an apparatus
#784HIGH FREQUENCY ELECTRIC-DRIVE WITH MULTI-POLE MOTOR FOR GAS PIPELINE AND STORAGE COMPRESSION APPLICATIONS
#785Power conversion apparatus with M conversion levels having an individual drive unit that does not require a dedicated power supply
#786Circuit arrangement having a dual coil for producing an alternating voltage or an alternating current
#787Power converter
#788MVDC power transmission system for sub-sea loads
#789Device for supplying a plurality of multiphase electric loads
#790Circuit arrangement for electrically controlling power and cooling arrangement
#791Electric power control device, electric powered vehicle including the same, and method for controlling electric power of electric vehicle
#792Method for operating a rotating electrical machine
#793POWER CONVERSION SYSTEM
#794Methods and apparatus for three-phase inverter with reduced energy storage
#795Electromechanical power transfer system with even phase number dynamoelectric machine and three level inverter
#796Inverter
#797Switchgear cell and converter circuit for switching a large number of voltage levels
#798DC-AC inverter powering a single phase commercial power system
#799Four pole neutral-point clamped three phase converter with low common mode voltage output
#800Protective circuit and method for multi-level converter
#801Power electronic circuit arrangement for a rotating field machine
#802Power converter and control method for a power converter using serially-connected DC power sources
#803Method for fault handling in a converter circuit for wiring of three voltage levels
#8043-phase high power UPS
#805Three-level AC generating circuit and control method thereof
#806Device of pulse width modulation type for load drive
#807Semiconductor Power Conversion Apparatus
#808Converters for high power applications
#809Power conversion device and vehicle equipped therewith
#810DC power transmission system of voltage source converter using pulse-interleaving auxiliary circuit
#811Interconnection inverter device
#812Device and method for controlling an electric power converter
#813Multilevel intelligent universal auto-transformer
#814Multilevel converters for intelligent high-voltage transformers
#815Universal three phase controllers for power converters
#816Parameterization method for a converter and converter implementing the method
#817Plasma display apparatus
#818Medium voltage inverter system
#819Multi-level power converter
#820Electric power converter, electric power converter controlling method and electric power converting system
#821Method and apparatus for space vector modulation in multi-level inverters
#822Voltage control and harmonic minimization of multi-level converter
#823Tri-level inverter
#824Inverter bridge short-circuit protection scheme
#825DC voltage balance control for three-level NPC power converters with even-order harmonic elimination scheme
#826Generator for arc welder with high power factor
#827Multilevel converter based intelligent universal transformer
#828Frequency converter for high-speed generators
#829Three stage power source for electric ARC welding
#830Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level AC drive inverter bridge
#831Device and method for controlling electric power converter
#832Power system method and apparatus
#833Switching type power source device and magnetio resonance imaging device using the same
#834PWM inverter control method
#835Power conditioning system for energy sources
#836PMW inverter control apparatus and control method
#837Converter and a method for controlling a converter
#838Input stage circuit of three-level DC/DC converter
#839Three-Level dc-ac converter
#840Transformerless multi-level power converter
#841Inverter bridge controller implementing short-circuit protection scheme
#842Control device and process of a converter and converter and electrical installation comprising such a device
#843Soft-switching half-bridge inverter power supply system
#844Multi-level dc bus inverter for providing sinusoidal and PWM electrical machine voltages
#845Multilevel converter based intelligent universal transformer
#846Three level inverter
#847Bi-directionally driven forward converter for neutral point clamping in a modified sine wave inverter
#848Motor control device and motor control method
#849Charger for electric vehicle
#850Split bus inverter architecture
#851Power conversion structure, power conversion method, electronic device including power conversion structure, and chip unit
#852System and method for operating multi-level power converter using a multi-state deadtime
#853System and method for operating multi-level power converter using multiple deadtimes
#854Method for generating output voltages with a boost inverter
#85511-level boost active neutral point clamped inverter topology with higher voltage gain
#856Multilevel inverters and methods of controlling multilevel inverters
#857Circuit with an input voltage divider and two half-bridges
#858Method for shutdown of an active neutral point clamped converter
#859Clamp circuit to reduce overshoot in power converters
#860DC voltage control in renewable energy based multilevel power converter
#861Switching converter with power level selection
#862Parallel interleaved 2-level or 3-level regenerative drives