Patents for H02M 1 - Details of apparatus for conversion (33,954)
07/2002
07/02/2002US6414855 Power converter with power converter element and controller formed on different semiconductor substrates
07/02/2002US6414854 Driving device and method of switching element in power conversion apparatus using current-controlled semiconductor switching element
07/02/2002US6414459 Method for influencing the electrical power of a load with a pulse width modulated signal
07/02/2002US6414448 Electronic ballast for a gas discharge lamp
06/2002
06/27/2002WO2002050477A1 Controller for a inrush current of air-conditioner compressor and thereof controlling method
06/27/2002US20020080634 DC/DC Converter and control method thereof
06/27/2002US20020080630 Method and circuitry for active inrush current limiter and power factor control
06/27/2002US20020080629 Circuit arrangement
06/27/2002US20020080627 Isolated power controller
06/27/2002US20020079871 Power conversion apparatus
06/26/2002EP1217712A2 Damping of amplified resonances at a motor driven with a constant voltage inverter by amplifying losses in the range of critical self oscillations
06/26/2002EP1216526A1 Reduction of emi through switching frequency dithering
06/26/2002CN2497480Y Automatic voltage-sharing serial power switch bridge arm
06/26/2002CN2497479Y Voltage regulating apparatus with protection channel
06/26/2002CN1355590A Grid circuit for driving insulated gate bipolar transistor inverter
06/26/2002CN1355589A Multi-channel cooperative voltage regulation for SCR
06/25/2002US6411535 Power factor correction circuit with integral bridge function
06/25/2002US6411534 Control methods for power converter circuit
06/25/2002US6411533 AC-DC converter adding an offset signal to an inductor current signal
06/25/2002US6411530 Drive and power supply with phase shifted carriers
06/25/2002US6411483 Hiccup-mode current protection circuit for switching regulator
06/25/2002US6411147 System and method for grouped gating control logic
06/25/2002US6411137 Load drive apparatus having parallel-connected switching devices
06/20/2002WO2002049198A2 Preconditioner
06/20/2002WO2002049182A1 Voltage controller for grid-connected turbogenerator unit
06/20/2002WO2001097368A3 Switching converter
06/20/2002US20020075702 Electric power conversion apparatus
06/20/2002US20020075699 Apparatus and method for the detection of circuit irregularities and for circuit protection of a power supply
06/20/2002US20020075698 Switching power supply
06/20/2002US20020075620 Power distribution system
06/20/2002US20020074974 Method and apparatus for overload-controlling inverter power generation apparatus
06/20/2002DE10155846A1 Treiber-Schaltung für Steuerelektrode von IGBT Invertierer Driver circuit for gate of the IGBT inverter
06/20/2002DE10061439A1 Method for control of power thyristors for high-voltage switchgear, especially for electric trains, involves supplying motor with variable voltage with increased reliability and lower maintenance than mechanical switchgear
06/20/2002DE10055396A1 Device for operating low-voltage ranges for a high-speed induction machine, uses a three-point current converter as an electronic power servo component.
06/19/2002EP1215809A2 Power converter sytem for generating a DC voltage
06/19/2002EP1215806A1 Ac-dc circuit arrangement
06/19/2002EP1214612A2 Emi reduction for isolated bus systems
06/19/2002CN1354555A Detection method of zero-current level in line turnaround converter and its system
06/19/2002CN1354552A Thyristor power-regulating system for temp. control system of heating equipment
06/18/2002US6407936 Capacitive boost for line harmonic improvement in power converters
06/18/2002US6407899 Fault detection in a redundant power converter
06/18/2002US6407594 Zero bias current driver control circuit
06/18/2002CA2364416A1 Converter system for increasing a dc voltage
06/13/2002WO2002047443A2 Improved control circuit for power factor corrected electronic ballasts and power supplies
06/13/2002WO2002047025A1 Voltage regulator circuit for chipcard ics
06/13/2002US20020071297 Higher harmonic suppressor element and DC power supply unit using the same
06/13/2002US20020071290 Power supply for both AC and DC
06/13/2002US20020071264 Electric apparatus comprising a shield and transmission means with filtering of an electric signal on both sides of the shield
06/13/2002US20020071225 Direct current motor safety circuits for fluid delivery systems
06/13/2002DE10060766A1 Schaltentlastungsnetzwerk für Leistungshalbleiterschalter Switching snubber circuit for power semiconductor switches
06/13/2002DE10060553A1 Überstrom-Erfassungseinrichtung Overcurrent detection device
06/13/2002DE10060344A1 Verfahren zur Regulierung des Ausgangsstroms und/oder der Ausgangsspannung eines Schaltnetzteils A method for regulating the output current and / or the output voltage of a switching power supply
06/13/2002DE10059643A1 Integrierte Halbleiterschaltung A semiconductor integrated circuit
06/13/2002DE10059334A1 Damping resonant increases for electric motor operated by inverter via intermediate circuit, involves using passive electrical components at motor star point to damp capacitive leakage currents
06/13/2002DE10059332A1 Bedämpfung von Resonanzüberhöhungen bei einem an einem Umrichter mit Spannungszwischenkreis betriebenen elektrischen Motor durch transformatorisch eingekoppelten Dämpfungswiderstand sowie korrespondierender elektrischer Motor Damping of resonant peaks at a on a drive with voltage DC electric motor powered by a transformer-coupled damping resistor and corresponding electric motor
06/13/2002DE10059331A1 Verringerung von Systemeigenschwingungen bei einem an einem Umrichter mit Spannungszwischenkreis betriebenen elektrischen Motor durch periodisches Abkoppeln des Zwischenkreises vom Netz sowie korrespondierender Spannungszwischenkreis-Umrichter Reduction of system oscillations in a on a drive with voltage DC electric motor powered by periodically disconnecting the DC from the network and corresponding voltage-source inverter
06/12/2002EP1213827A2 Overcurrent detection device
06/12/2002EP1213826A2 Snubber circuit for semiconductor power switch
06/12/2002EP1213821A2 Higher harmonic suppressor element and DC power supply unit using the same
06/12/2002EP1213820A2 Voltage converter for multiple independant users
06/12/2002EP1212827A1 Start-up circuit for voltage regulators
06/12/2002EP0919080B1 Switched-mode power supply, an electric shaver, and a method of converting direct voltages
06/12/2002CN1353829A Method and apparatus for limiting current to high frequency ac to voltage regulator modules
06/12/2002CN1353497A Multi-channel parallelly connected step-up type power factor corrector
06/11/2002US6404659 Electric power conversion apparatus
06/11/2002US6404657 Method to synchronize multiple switching regulators in out of phase mode without PLL
06/11/2002US6404653 Multi-voltage transformer
06/11/2002US6404265 Highly efficient driver circuit for a solid state switch
06/11/2002US6404077 Automatic power supply selector for ACPI-compliant PCI devices
06/11/2002US6404076 DC-DC converter circuit selecting lowest acceptable input source
06/11/2002CA2110794C A 0-100% duty cycle, transformer isolated fet driver
06/06/2002WO2002045250A1 Power conversion device
06/06/2002WO2002045232A1 Inrush current limiting circuit, power source device and power conversion device
06/06/2002US20020067630 DC power supply device
06/06/2002DE10130081A1 Leistungswandler und Halbleitervorrichtung Power converter and semiconductor device
06/05/2002EP1211797A2 Reduction of self-oscillation in an intermediate electric circuit driven by a voltage-controlled, mains-connected intermediate circuit and corresponding voltage-controlled inverter
06/05/2002EP1211794A2 Method for regulation of output current and/or output voltage of switched mode power supply
06/05/2002EP1211791A1 Symmetrical DC/DC converter
06/05/2002EP1211790A2 Integrated semiconductor circuit
06/05/2002EP1211788A1 Damping resonance peaks in an electric motor operated by an inverter with intermediate dc voltage link
06/05/2002CN2494575Y AC circuit clutter removing device for electric driller
06/05/2002CN2494574Y Passive power factor correction induction of HF switch electric source
06/04/2002US6400586 Power factor corrected UPS with improved connection of battery to neutral
06/04/2002US6400584 Two stage switching power supply for connecting an AC power source to a load
06/04/2002US6400579 Lossless switching DC to DC converter with DC transformer
06/04/2002US6400545 Fuseless dc-dc converter
05/2002
05/30/2002WO2002043231A1 A method of determining a required inductance-current relationship for an inductor
05/30/2002WO2002042107A1 Variable voltage regulator for electronic automobile accelerator
05/30/2002US20020064058 Integral DC to DC converter
05/30/2002US20020064057 Dc to dc converter for operating in selectable voltage modes
05/30/2002US20020063617 Inductor operable under various supply voltages
05/30/2002US20020063116 DC power supply apparatus for arc-utilizing apparatuses
05/29/2002EP1209704A1 Choke coil with ferromagnetic material core
05/29/2002DE10154776A1 DC converter in half bridge configuration for converting DC current to DC current or DC voltage to DC voltage and method for controlling converter
05/29/2002DE10058631A1 Drosselspule mit einem Kern aus ferromagnetischem Material Choke coil having a core made of ferromagnetic material
05/29/2002CN1351401A Electric power system
05/29/2002CN1351396A Design and manufacture of low-inductance bus
05/28/2002US6396726 Low cost switchable power supply
05/28/2002US6396721 Power converter control device and power converter thereof
05/28/2002US6396717 Switching power supply having an improved power factor by voltage feedback