Patents for H02M 5 - 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 (13,094)
07/2006
07/05/2006CN1797258A A. c. electricity control device
07/05/2006CN1263049C Step-up transformer for high frequency heater
07/04/2006US7072197 Isolated low-voltage power supply source
07/04/2006US7072192 Power circuit restraining rush current
07/04/2006US7072182 Switching assembly
07/04/2006CA2272202C Drive with high output in failed mode
06/2006
06/28/2006EP1147597A4 Motor drive circuit
06/28/2006CN2792015Y High-current combined generator
06/28/2006CN1794550A Control method of converting single phase power source into three-phase power source and its device
06/28/2006CN1794549A Step-up high frequency link A-A transducer
06/27/2006US7068524 Generator
06/27/2006US7066892 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions
06/22/2006WO2006065983A2 Power supply adaptive feedforward control circuit
06/22/2006WO2006015931A3 Frequency converter comprising an intermediate circuit without a capacitor
06/22/2006US20060133120 Three-phase ac-to-dc-to-ac converter
06/22/2006US20060132222 Method of forming a floating charge pump and structure therefor
06/22/2006US20060131964 High voltage magnetic compression modulator
06/22/2006US20060131960 Power converter
06/22/2006US20060131888 High frequency bus method
06/22/2006DE102005053685A1 Systemverbindungsvorrichtung für erzeugte elektrische Energie System connecting device for electrical energy generated
06/22/2006DE102004007209B4 Schaltungsanordnung und Verfahren zur Ermittlung des Laststromes durch eine getaktet an eine Versorgungsspannung angelegte induktive Last Circuit arrangement and method for determining the load current through a clocked applied to a supply voltage inductive load
06/21/2006EP1671521A2 A current sharing scheme and device for multiple ccf lamp operation
06/21/2006CN1790838A 智能遥控灯座装置 Intelligent Remote socket device
06/20/2006US7064527 Transition mode operating device for the correction of the power factor in switching power supply units
06/20/2006US7064458 Method and system for transferring a load between AC voltage sources
06/15/2006US20060126367 Power supply adaptive feedforward control circuit
06/15/2006US20060126318 Power module for ac/ac power conversion
06/14/2006EP1269618B1 Pwm frequency converter
06/14/2006CN2788446Y Alternative and direct vehicle dragging convertor
06/14/2006CN1259769C Method of mid point voltage balance for frequency converter in three levels based on charge balance
06/14/2006CN1259768C Power changing device
06/14/2006CN1259767C Medium and high voltage power conversion method and device
06/13/2006US7061781 Circuit arrangement for operating light sources
06/13/2006US7061216 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
06/13/2006US7061195 Global closed loop control system with dv/dt control and EMI/switching loss reduction
06/13/2006US7060935 Power supply for electric arc welding
06/08/2006WO2006000558A3 Method for determining the chance of a disturbance-free operation of a frequency converter
06/08/2006WO2005039027A3 Apparatus for generating sine waves of electromotive force
06/08/2006US20060120122 DC-to-DC converter with improved transient response
06/08/2006US20060119303 Global closed loop control system with DV/DT control and EMI/switching loss reduction
06/07/2006EP1665510A1 System and method utilizing a solid state power controller (sspc) for controlling an electrical load of a variable frequency three-phase power source
06/07/2006EP1665493A1 Method for operating a frequency converter of a generator
06/07/2006CN2786864Y Novel electricity-saving machine
06/07/2006CN1783683A Air conditioner
06/07/2006CN1781620A Die cushion drive system
06/07/2006CN1258869C Method and device for shutting down a drive comprising a matrix converter during a main failure
06/06/2006US7057908 Method and arrangement in connection with network inverter
06/06/2006US7057361 Inverter control device and electric vehicle thereof
06/01/2006WO2006056640A1 Electronic two-wire switch
06/01/2006WO2006018830A3 Controllable power supply circuit for an illumination system and methods of operation thereof
06/01/2006US20060114696 System linking apparatus for generated electric power
06/01/2006US20060113939 Frequency converter overvoltage protection
06/01/2006DE4330537B4 Frequenzumrichter und Verfahren zu seinem Betrieb Frequency and method for its operation
06/01/2006DE20221557U1 Frequency converter, e.g. for operating electric motor, has intermediate stage storage element is dimensioned for smoothing voltage sag when phase fails, taking into consideration connected load
06/01/2006DE102004057693A1 Device for rapid discharge of capacitor especially in an intermediate circuit connected to an electrical machine as in a motor vehicle has means with a DC converter
06/01/2006DE102004040052A1 Stromgeregelter Umrichter und Verfahren zum Steuern desselben The same current controlled inverter and method for controlling
05/2006
05/31/2006EP1661233A1 Method and apparatus for detecting faults in ac to ac, or dc to ac power conversion equipments when the equipment is in a high impedance mode
05/31/2006CN2785250Y 电子变压器 Electronic Transformer
05/31/2006CN2785249Y H bridge power module bypassing circuit in H bridge series connection voltage type inverter
05/31/2006CN1781168A Apparatus for supplying energy to a load and a related system
05/31/2006CN1780517A Reverse-flow device circuit with functional factor adjusting effect
05/31/2006CN1780514A Method and process for adjusting headlamp power by resistor control
05/31/2006CN1780130A Major-loop series HF switching power supply
05/31/2006CN1780129A Controlling circuit of DC pulsating countercurrent device
05/30/2006US7054173 Circuit with DC filter having a link fuse serially connected between a pair of capacitors
05/30/2006US7053891 LCD with power conversion capability
05/30/2006US7053569 Inverter control method and its device
05/26/2006WO2006055298A2 Method for implementing radiation hardened, power efficient, non-isolated low output voltage dc/dc converters
05/25/2006WO2005124990A9 Ground power unit
05/25/2006US20060109702 Load control circuit and method for achieving reduced acoustic noise
05/25/2006US20060109701 Method and system for producing controlled frequency power from a variable frequency power source
05/25/2006US20060109694 Auxiliary quasi-resonant dc tank electrical power converter
05/25/2006US20060109691 Power converter
05/25/2006US20060108988 Power supply system
05/25/2006US20060107723 Die cushion drive system
05/24/2006EP1658911A1 Die cushion drive system
05/24/2006DE19508468B4 Stromversorgungseinrichtung A power supply device
05/24/2006CN2783628Y Moving type high-power power supply
05/24/2006CN2783567Y Transforming type socket row
05/24/2006CN1257603C Switch power supply adaption method and system
05/23/2006US7050312 Multi-mode uninterruptible power supplies and methods of operation thereof
05/23/2006US7050311 Multilevel converter based intelligent universal transformer
05/23/2006US7049880 High precision digital-to-analog converter with optimized power consumption
05/23/2006US7049832 Circuit arrangement and method for determining the load current through an inductive load connected to a supply voltage in a clocked manner
05/23/2006US7049758 Method of soft-starting a switching power supply having time-based pulse triggering control
05/23/2006US7049546 Method and apparatus for receiving a universal input voltage in a welding power source
05/18/2006WO2006026218A3 Harmonic control and regulation system for harmonic neutralized frequency changer
05/18/2006US20060104095 Method for implementing radiation hardened, power efficient, non isolated low output voltage DC/DC converters with non-radiation hardened components
05/18/2006DE102004034333A1 Verfahren zum Regeln eines an einer Gleichspannungsquelle angeschlossenen Stromrichters A method for controlling a device connected to a DC voltage source converter
05/17/2006EP1657809A1 Power converter, motor drive, btb system and system linking inverter system
05/17/2006EP1657808A2 Frequency converter overvoltage protection
05/17/2006EP1656704A2 Modular connections of piezoelectric transformers for high power and high voltage power supplies
05/17/2006CN1774856A Active emi filter with feed forward cancellation
05/17/2006CN1773828A Electric driving electronic power converter device arranging method and apparatus
05/16/2006US7046523 Core structure and interleaved DC—DC converter topology
05/11/2006US20060098467 Method and device for controlling voltage
05/11/2006DE202006004221U1 Frequency converter, has protection unit dividing space within housing into immolating section and protection section and impeding spreading of degrading effect of explosion occurring in immolating section into protection section
05/11/2006DE102004052454A1 High voltage static frequency converter for locomotives has transformer which has two primary windings connected in series, in which two primary windings are connected parallel to two branch circuits, respectively
05/10/2006EP1655827A1 Device and method for controlling an energy converter and converter with such device
05/10/2006CN2779713Y Single/three-phase impedance source up/down voltage AC-AC converter
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