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