217880 ⎘
Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode comprising two stages of AC-AC conversion, e.g. having a high frequency intermediate link
Dual-Stage AC To AC Electric Power Converters
#2Dual Stage AC to AC Electrical Power Converters
#3VOLTAGE TRANSFORMER
#4SOLID-STATE POWER-CONVERSION SYSTEM
#5FREQUENCY CONVERSION POWER TRANSMISSION SYSTEM
#6Unfolder-based single-stage AC-AC conversion system
#7Unfolder-based single-stage AC-AC conversion system
#8Isolated communications apparatus and power supply system
#9AC-to-AC MMC with reduced number of converter arms
#10Power converter and control circuit thereof
#11Bidirectional AC-DC converter with multilevel power factor correction
#12Transformer converter with center tap inductance
#13Solid-state power-conversion system
#14INTERFACE SYSTEM FOR SUPPLYING AND/OR SINKING ENERGY
#15Modular matrix AC/AC multipoint converter having higher-frequency transformers
#16Snubber circuit and power conversion system using same
#17Energy packet switches
#18Soft switching solid state transformers and converters
#19Method and apparatus for medium-voltage electronic power conversion
#20Modulation of AC/AC MMC
#21Three-phase AC/AC converter with quasi-sine wave HF series resonant link
#22Voltage booster isolation transformer system and method of operating the same
#23Distributed high-frequency AC electrical system for the electric vehicle
#24Flexible voltage transformation system
#25Power management utilizing synchronous common coupling
#26Power conversion systems and associated methods
#27Multi-cell power converter with improved start-up routine
#28Modular size multi-megawatt silicon carbide-based medium voltage conversion system
#29Power coupler
#30Highly reliable and compact universal power converter
#31System and method for a multi purpose bidirectional power converter
#32Electric power conversion apparatus with active filter
#33Interface system for supplying and/or sinking energy
#34Universal power conversion apparatus
#35Power distribution system for low-frequency AC outlets
#36Method and apparatus for wireless transmission of line frequency, line voltage alternating current
#37Modular converter with multilevel submodules
#38Modular constant current regulator
#39Voltage setting device with multi-step voltage output
#40Power-packet-switching converter with sequenced connection to link inductor
#41Asynchronous motor unit comprising a frequency converter with electrical isolation in the DC voltage intermediate circuit
#42Converter bridge arm suitable for high-voltage applications and application system thereof
#43Universal power conversion methods with disconnect after driving
#44Power conversion with current sensing coupled through saturating element
#45Power conversion with added pseudo-phase
#46Synchronized isolated AC-AC converter with variable regulated output voltage
#47Isolated dynamic current converters
#48Indirect matrix converter
#49Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
#50Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
#51Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
#52Power conversion with added pseudo-phase
#53Power conversion with added pseudo-phase
#54Bidirectional multimode power converter
#55Power conversion with current sensing coupled through saturating element
#56Universal Power Converter
#57Buck-boost power converter circuits, methods and systems
#58Universal power converter with two input drive operations during each half-cycle
#59Power conversion with added pseudo-phase
#60Systems and methods for reducing transient voltage spikes in matrix converters
#61Universal power converter with bidirectional switching devices
#62Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
#63INTELLIGENT PHOTOVOLTAIC INTERFACE AND SYSTEM
#64Method and system for delivering a controlled voltage
#65AC/AC CONVERSION POWER SUPPLY DEVICE
#66Power transmission method and power transmission apparatus
#67Battery Charger and Method for its Operation
#68Converter for enhanced efficiency power conversion
#69Wide-voltage-range converter
#70Universal power conversion methods
#71Universal power converter
#72Multilevel converter based intelligent universal transformer
#73Systems and methods for electrical power regulation and distribution in aircraft
#74Multilevel converter based intelligent universal transformer
#75Dual-stage AC to AC electric power converters
#76Input output balanced bidirectional buck-boost converters and associated systems and methods
#77Dual link power converter
#78Bi-directional multi-port applications
#79Voltage control modes for microgrid applications