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