217903 ⎘
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 with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
Sub-classes:Method for Operating a Frequency Converter and Frequency Converter
#2Active harmonic filter and reactive power control system for naval ship power systems
#3VOLTAGE TRANSFORMER
#4Integrated power system capable of switching between power supply mode and electronic load mode and switching method thereof
#5Power conversion device and press apparatus
#6Power Supply Unit with Dynamically Configurable Power Distribution
#7Method for controlling a converter
#8Bidirectional power converter
#9Power control circuit, power generator, and power generation system
#10DC link capacitor pre-charge method utilizing series boost converter
#11Power converter, compressor, air-sending device, and air-conditioning apparatus
#12Direct current link bus for a power converter and method of forming a direct current link bus
#13Method for insulation monitoring of a converter-supplied power supply system
#14Adaptor for wind turbine refurbishment and associated methods
#15Controller for a cooling unit compressor, system and use
#16Control of a wind turbine generator for reduced tonal audibility
#17Electric system architecture for a vehicle with multiple load characteristics
#18Power converter and air conditioner equipped with the same
#19True DC current source
#20UNINTERRUPTIBLE POWER SUPPLY
#21Series circuit arrangement of power semiconductors
#22Device and method for controlling a load flow in an alternating-voltage network
#23Electrical power systems having zig-zag transformers
#24Power generation system for self activation
#25Power conversion device and air conditioner comprising same
#26Power communication architecture for an aircraft
#27Power Converter for Full Conversion Wind Turbine Systems
#28Power supply for output of various specifications
#29Power transmission arrangement and method for operating a power transmission arrangement
#30Hybrid control method for an electrical converter
#31Refrigeration cycle apparatus
#32Power supply device and air conditioner
#33Electric power conversion circuit including switches and reactors, and electric power conversion device including electric power conversion circuit and control circuit
#34Precharge apparatus for power conversion system
#35Charging of split DC links of a converter system
#36Fault level estimation method for power converters
#37METHOD FOR MONITORING DC LINK CAPACITANCE IN POWER CONVERTERS
#38Airflow generator power supply and wind turbine generator
#39Control apparatus for a power converter
#40Data processing device and method for high voltage direct current transmission system
#41Power transmission network
#42SUBMODULE FOR MODULAR MULTI-LEVEL CONVERTER AND APPLICATION THEREOF
#43Power converter
#44Control method for direct power converter
#45Method for correcting electric power loss in an HVDC system
#46HVDC series current source converter
#47Precharging apparatus and power converter
#48Converter arrangement
#49Electromagnetic compatibility filter
#50MODULE
#51System and method for operating power converters
#52Insulation design apparatus of high voltage direct current transmission system
#53System and method for unified common mode voltage injection
#54Wind turbine power conversion system
#55Electrical assembly
#56HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM
#57Wind power converter device and converter device
#58Power grid frequency flexible operation system and method using the same
#59Hybrid power supply device of air-conditioner
#60POWER CONVERSION DEVICE AND CONTROL METHOD THEREFOR
#61Voltage-adjusting device and method in power conversion system
#62Data processing device and method for high voltage direct current transmission system
#63Data processing device and method for high voltage direct current transmission system
#64Modular multi-level converter controlling plurality of sub-modules
#65High voltage direct current transmission system and control method thereof
#66High voltage direct current transmission system and control method thereof
#67Apparatus and method for insulation design of high voltage direct current transmission system
#68APPARATUS AND METHOD FOR INSULATION DESIGN OF HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM
#69APPARATUS AND METHOD FOR DESIGN OF HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM
#70High voltage direct current (HVDC) transmission system to compensate for voltage values output from a plurality of potential transformers
#71HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM AND CONTROLLING METHOD THEREOF
#72System and method for power conversion
#73Direct power conversion device and method for controlling direct power conversion device
#74CONVERTER
#75Converter circuit with adjustable DC bus voltage
#76Method of controlling direct power converter
#77Energy conversion apparatus with tuned circuit
#78Position sensorless open loop control for motor drives with output filter and transformer
#79Motor driving device and air conditioner including the same
#80Optimized filter for battery energy storage on alternate energy systems
#81Motor driving device and air conditioner including the same
#82Motor driving device and air conditioner including the same
#83Power converting circuit
#84Power conversion system, and voltage detection device thereof
#85HVDC converter system with transformer functions or arrangements integrated into a single transformer unit
#86High voltage direct current (HVDC) converter system and method of operating the same
#87Conducted emissions filters
#88Switch mode power supply and method for operating the switch mode power supply
#89POWER FACTOR CORRECTION CIRCUIT, POWER SUPPLY DEVICE AND VACUUM CLEANER USING THE SAME
#90Power conversion with current sensing coupled through saturating element
#91Drive train comprising a doubly fed electric machine and a band stop filter connected between an inverter and the rotor of the machine
#92Multilevel voltage source converter and method for balancing capacitors
#93Multiple-frequency inversion method and control apparatus for internal combustion engine driven generator
#94Power conversion system and drive chain comprising the power conversion system
#95Motor driving device for protecting inrush current
#96Power regenerative converter and power conversion apparatus
#97Power conversion with current sensing coupled through saturating element
#98DC bus voltage control method and system
#99Electrical power conversion apparatus
#100Device for connecting a single-phase supply line to a three-phase power supply system
#101Operating electrical machines from a DC link
#102Electric power supply circuit with PAM waveform correction
#103Device for Powering a Plurality of Loads from an Electrical Power Supply Network
#104Operating electrical machines from a DC link
#105Power converter
#106Feedback control for parallel power converter synchronization
#107Thyristor controlled LC compensator for compensating dynamic reactive power
#108True DC current source
#109Multibridge power converter for AC mains
#110Power converter for AC mains