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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08/24/2006 | US20060186854 Global closed loop control system with DV/DT control and EMI/switching loss reduction |
08/24/2006 | DE10246526B4 Verfahren zur Ansteuerung eines Matrixumrichters A method of driving a matrix |
08/23/2006 | EP1692757A1 Device for power adjustment by phase control and method for reduction of harmonic waves |
08/23/2006 | CN1823466A Power conversion device using matrix converter |
08/23/2006 | CN1822484A Three phase AC sine wave electronic voltage regulator |
08/23/2006 | CN1822483A Self driving circuit for three winding reverse exciting converter synchronous rectifier |
08/23/2006 | CN1822482A Power for energy saving and stand-by motor of household appliance |
08/23/2006 | CN1822481A Voltage follow circuit |
08/22/2006 | US7095633 Power supply system of display apparatus and control method thereof |
08/17/2006 | US20060181818 Generator with integrated powerswitch |
08/17/2006 | DE19501901B4 Verfahren zur Regelung des Filterstromes eines Elektrofilters Method for controlling the current of an electrostatic precipitator filter |
08/17/2006 | DE102005004458A1 Electrical circuit for pre-heating lamp e.g. halogen lamp, has switching unit for switching pre-heating current, where voltage at lamps is zero and lamps are switched off when current in pre-heating current circuit exceeds threshold value |
08/16/2006 | CN2807601Y 电动机转换器 Motor converter |
08/16/2006 | CN2807595Y Three-phase high-voltage direct current power supply used for electric precipitator |
08/16/2006 | CN1819427A Efficient power and speed adjusting method and adjuster for AC electrical appliances |
08/16/2006 | CN1270438C Variable frequency driving device of 3KV-10KV middle-high voltage multi-level three-phase AC motor |
08/16/2006 | CN1270433C Method for protecting a matrix converter against over-voltages and an active over-voltage device |
08/15/2006 | US7092268 Isolating power supply |
08/15/2006 | US7091706 Voltage regulator and method of regulating voltage |
08/15/2006 | US7091632 Stabilization circuit for compensating fluctuations in a voltage at a user |
08/10/2006 | WO2006083372A1 Method and system for producing controlled frequency power from a variable frequency power source |
08/10/2006 | WO2006083371A2 Systems and methods for electrical power regulation and distribution in aircraft |
08/10/2006 | WO2006020185A3 Method for riaa correction of audio signal with use of transformer and capacitor |
08/10/2006 | US20060176719 Soft switching DC-DC converter |
08/10/2006 | DE102005004697A1 Single phase four-quadrant chopper load and impedance currents determining method for railway vehicle, involves separating rectifier circuit output current as load and impedance currents by band pass filter/estimation algorithm |
08/10/2006 | DE102004054473A1 Standard-Frequenzumrichter für diskontinuierliche Energiezuführung Standard frequency for discontinuous energy supply |
08/09/2006 | EP1687910A1 Communication apparatus and method |
08/09/2006 | EP1687892A2 Multifunction hybrid intelligent universal transformer |
08/09/2006 | EP1687891A1 Multilevel converter based intelligent universal transformer |
08/09/2006 | CN2805210Y Main circuit for high energy feed back type electronic loading device |
08/09/2006 | CN2805209Y Electricity-saving device for garment vehicle |
08/09/2006 | CN2804980Y Multi-functional switch for room wiring and indoor circuit electric appliances controlling |
08/09/2006 | CN1816963A Voltage conversion device and computer-readable recording medium having program recorded thereon for computer to control voltage conversion by voltage conversion device |
08/09/2006 | CN1815869A Electronic device and adaptor used therewith |
08/09/2006 | CN1815864A Modular power supply assembly |
08/09/2006 | CN1815841A Frequency-variable transmission system |
08/08/2006 | US7088601 Power conversion apparatus and methods using DC bus shifting |
08/04/2006 | CA2529519A1 Lamp having fixed forward phase switching power supply with time-based triggering |
08/04/2006 | CA2529047A1 Fixed phase power controller with analog trigger |
08/04/2006 | CA2528748A1 Phase-control power controller for converting a line voltage to an rms load voltage |
08/04/2006 | CA2528562A1 Fixed reverse phase switching power supply with time-based pulse triggering control |
08/04/2006 | CA2528444A1 Fixed forward phase switching power supply with time-based triggering |
08/04/2006 | CA2527595A1 Phase-control power controller with digital rms load voltage regulation |
08/03/2006 | WO2006079636A1 Distribution voltage land connection for ships |
08/03/2006 | US20060171180 Switching-mode power supply having a synchronous rectifier |
08/03/2006 | US20060171179 Low audible noise power supply method and controller therefor |
08/03/2006 | DE112004001871T5 Piezoelektrische Transformatortreibvorrichtung und piezoelektrisches Transformatortreibverfahren Piezoelectric transformer driving device and piezoelectric transformer driving method |
08/03/2006 | DE10394311T5 Stromrichter Converter |
08/03/2006 | DE102005029814A1 Voltage monitoring system for intermediate circuit for supplying power converter with electrical voltage, has comparator whose input is connected with voltage divider, where system is supplied with operating voltage via intermediate circuit |
08/02/2006 | EP1686679A1 Overcurrent protection for solid state switching system |
08/02/2006 | CN2802836Y Heavy-current generator |
08/02/2006 | CN1813465A Portable battery driven apparatus |
08/01/2006 | US7084601 Phase current detector |
08/01/2006 | US7084524 Bi-directional matrix converter with reverse start-up |
08/01/2006 | US7083574 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions |
08/01/2006 | CA2313094C Converter circuit arrangement having a dc intermediate circuit |
07/27/2006 | WO2006078635A1 Complete orchestration system |
07/27/2006 | US20060162680 Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine |
07/27/2006 | CA2593229A1 Complete orchestration system |
07/26/2006 | CN2799637Y Low-temperature plasma treatment power supply for wool fiber |
07/26/2006 | CN1808890A Power converter |
07/26/2006 | CN1808873A Dead zone compensation method in pulse duration modulation variable frequency power supply |
07/26/2006 | CN1808872A Variable time constant-temperature AC voltage/current transformation power supply |
07/26/2006 | CN1808871A 1+1 separated switch power supply module |
07/25/2006 | US7082040 Power factor corrected UPS with improved connection of battery to neutral |
07/25/2006 | US7081738 Generating device having magneto generator |
07/25/2006 | US7081693 Energy harvesting for wireless sensor operation and data transmission |
07/20/2006 | US20060158912 Power factor corrector control device for accommodating mains voltage distortion and achieving high power factor and low harmonic current |
07/20/2006 | US20060156908 Keyboard instrument |
07/20/2006 | DE10332820B4 Vorrichtung zum potentialgetrennten Umwandeln einer ersten Spannung in eine zweite Spannung zum Messen von Impedanzen und Admittanzen an biologischen Geweben Device for potential separation converting a first voltage into a second voltage for measuring impedances and admittances of biological tissues |
07/20/2006 | DE102005059220A1 Induction motor inverter system, has inverter driving induction motor by converting DC link voltage into AC voltage of variable frequency and variable voltage relative to voltage pulse signal output from controller |
07/20/2006 | DE102004030535B4 Control system for a mains frequency clocked supply unit of an intermediate voltage converter circuit |
07/19/2006 | CN2798412Y Readiness circuit for switch electric source |
07/19/2006 | CN1805262A Startup power supply of chain inverter for static synchronous compensator |
07/19/2006 | CN1805260A AC sine wave electronic pressure regulator |
07/19/2006 | CN1265538C Portable device with reduced power dissipation |
07/19/2006 | CN1265256C Electric power controlling method and apparatus thereof |
07/13/2006 | WO2006018830A8 Controllable power supply circuit for an illumination system and methods of operation thereof |
07/13/2006 | US20060152954 Current control circuit for controlling inrush current through an energy storage capacitor of a power supply |
07/13/2006 | US20060152949 Stage for rectifying a three-phase current |
07/13/2006 | DE102005030674A1 Inverter driving circuit for liquid crystal display device, has inverter with transformer inverting DC to AC voltage, and hot and cold grounds disposed on sides of transformer and coupled using capacitor and resistor |
07/12/2006 | EP1679784A1 Three phase recitifier circuit comprising 12-pulse rectifiers |
07/12/2006 | EP1679781A1 Electric power control device for a fixing heater |
07/12/2006 | EP1678565A2 A high precision digital-to-analog converter with optimized power consumption |
07/12/2006 | EP1559179A4 Hybrid variable speed generator/uninterruptible power supply power converter |
07/12/2006 | CN2796239Y High voltage inlet low voltage outlet or low voltage inlet high voltage outlet inductive voltage regulator |
07/12/2006 | CN2796235Y DC power without transformer for suppressing electronic circuit conduction interference |
07/12/2006 | CN2796234Y Cut-in digital potentioment without distubance |
07/12/2006 | CN2796214Y Multipurpose power source |
07/11/2006 | US7075806 DC voltage conversion circuit |
07/11/2006 | US7075271 Power controlling apparatus with power converting circuit |
07/11/2006 | US7075268 System and method for increasing output horsepower and efficiency in a motor |
07/11/2006 | US7075258 Power control device of an electric tool, a method of power control of an electric tool and an electric tool provided with a power control device |
07/06/2006 | WO2005109453A3 Differential mode inductor with a center tap |
07/06/2006 | US20060146584 DC converter |
07/06/2006 | US20060146581 Power distribution device |
07/06/2006 | US20060146454 Direct turbogenerator |
07/05/2006 | EP1535386B1 Output choke arrangement for inverter, and method in conjunction therewith |
07/05/2006 | CN1797926A Method of forming a power supply control and device therefor |
07/05/2006 | CN1797923A Driving circuit for inverter |