Patents for H02M 1 - Details of apparatus for conversion (33,954)
09/2001
09/20/2001WO2001069765A1 Method and device for reducing harmonics in power converters
09/20/2001WO2001069756A2 Method and device for controlling a converter
09/20/2001WO2001069755A1 Ac/dc chopper for power tool
09/20/2001US20010022736 PWM Controlled power conversion device
09/20/2001DE10013391A1 Pre-charging device for current converter circuit, e.g. for rail vehicle, contains transformer, rectifier circuit, device for measuring converted alternating mains voltage
09/20/2001DE10011750A1 Harmonic compensation method for generator current uses starting current regulator connected across generator output rectifier during starting of generator
09/20/2001CA2403142A1 Method and device for reducing harmonics in power converters
09/19/2001EP1134878A1 Method and device for reduction of harmonics in power converters
09/19/2001EP1134866A1 Process and device for controlling a converter
09/19/2001EP0958650B1 Driving mechanism for industrial installations, in particular for primary industry installations
09/19/2001EP0872010B1 Device and method of supplying from an ac source
09/19/2001CN1313672A Frequency conversion module with thyristor
09/19/2001CN1313205A Electric power converter for railway vehicle
09/18/2001US6292375 DC-DC voltage converter capable of protecting against short circuits
09/18/2001US6291975 Method and system for efficiently regulating power supply voltages with reduced propagation of power transients capable of communicating information
09/13/2001WO2001067828A1 Lamp device and device for driving discharge lamp
09/13/2001WO2001067589A1 Alternator system
09/13/2001WO2001043263A8 Electronic ballasts with current and voltage feedback paths
09/13/2001US20010020841 Drive circuit for insulated gate type fets
09/13/2001DE10010350A1 Pulse converter operating method involves using parallel current inverters in intermediate circuit operated with clock synchronous pulse width modulation to reduce resonance stimulation
09/12/2001CN1312969A Apparatus for controlling voltage-charge controlled power power semiconductor devices
09/11/2001US6288918 Switched power converter with hold-up time and harmonics reduction
09/11/2001US6288917 Three stage power conditioning circuit
09/11/2001US6288915 Converter circuit arrangement having a DC intermediate circuit
09/11/2001US6286609 AC/DC chopper for power tool
09/07/2001WO2001065659A2 Power converters with ac and dc operating modes and methods of operation thereof
09/06/2001US20010019492 Efficient, dual-source, wide-input range, isolated DC-DC converter with effective current limit
09/06/2001US20010019490 Switching power supply
09/05/2001EP1130752A2 Non-contact electrical power transmission system having function of making load voltage constant
09/05/2001EP1130751A2 Protection circuit for a switched mode power supply
09/04/2001US6285235 Gate control circuit for voltage drive switching element
08/2001
08/30/2001US20010017781 Non-contact electrical power transmission system having function of making load voltage constant
08/30/2001DE10008266A1 Device for switching controller on and off has two electronic switches, each for separate supply voltage path, logic unit with signal combination unit between the inputs and outputs
08/29/2001EP1128557A2 Switching circuit for generating pulsed power
08/29/2001EP1128539A2 Surge voltage suppressed power inverter using a voltage driven switching circuit
08/29/2001EP1128538A2 Control system adapted to control operation of an AC/DC converter
08/29/2001EP1128536A2 Device for switching on and off a control circuit
08/29/2001EP1128533A2 Power supply circuit in which ripple reducing ability is maintained even when power supply voltage drops
08/29/2001EP1128532A2 DC-DC converter circuit, power supply selection circuit, and apparatus
08/29/2001CN1310522A Power circuit
08/29/2001CN1310518A Single pulse signal control circuit to control output voltage and conversion switch simultaneously
08/29/2001CN1310504A DC-DC transfer circuit, power selection circuit and equipment
08/29/2001CN1310502A Leakage current reduction circuit and power supply using the same circuit
08/28/2001US6282110 Switched mode power supply
08/28/2001US6282105 Power supply system for a group of lamps
08/28/2001US6282104 DC injection and even harmonics control system
08/28/2001US6282071 Frequency dependent X-ray protection for a multimedia monitor
08/28/2001US6281658 Power factor compensation device for motor driving inverter system
08/28/2001US6281638 Converter/inverter full bridge ballast circuit
08/28/2001US6281636 Neutral-point inverter
08/23/2001WO2001061833A1 Dual-input, automatic-switching power supply
08/23/2001WO2001061832A2 Start-up circuit for flyback converter having secondary pulse width modulation control
08/23/2001US20010015670 Semiconductor power converting apparatus
08/23/2001US20010015648 Leakage current reduction circuit and power supply employing the same
08/23/2001US20010015639 Coordinated switching in a multiple switching regulator system to lower peak current load
08/23/2001US20010015637 Power supply circuit in which ripple reducing ability is maintained even when power supply voltage drops
08/22/2001EP1126585A2 A voltage step down type dc-dc converter having a coupled inductor
08/21/2001US6278623 System and method for compensating for voltage notches in two-phase phase locked loops
08/21/2001US6278622 Electric power source apparatus including electric power converter circuit and method for controlling the same
08/21/2001US6278620 Switching power-supply circuit
08/21/2001US6278597 Conditional over-voltage protection for redundant phase-shift converters
08/21/2001US6278314 Electric circuit
08/21/2001US6278080 Power supply apparatus
08/16/2001WO2001059930A1 Phase control method and device
08/16/2001US20010014028 Multiple output synchronous rectifier circuit providing zero volt operation
08/16/2001EP1124315A1 Switched mode power supply with programmable pulse skipping mode
08/16/2001EP1124312A2 Power factor corrected power supply
08/16/2001EP0970560B1 Circuit
08/16/2001EP0763276B1 Switching power supply for the operation of electric lamps
08/15/2001CN2443534Y Communication power supply with wide input voltage range
08/15/2001CN2443533Y Sinusoidal waveform collector
08/15/2001CN1308406A Triphase single-switch power factor correcting step-up converter
08/14/2001US6275958 Fault detection in a redundant power converter
08/14/2001US6275397 Power factor correction control circuit for regulating the current waveshape in a switching power supply
08/14/2001US6275392 Method and apparatus for pre-charge control of VSI
08/14/2001US6275019 Absolute control of non overlap time in switch mode power controller output stages
08/10/2001CA2331916A1 Dc power supply
08/09/2001WO2001058001A1 Rectifier system
08/09/2001WO2001057998A1 A single-stage power factor correction method to reduce energy storage capacitor voltage and circuit for same
08/09/2001WO2001057996A1 Start-up circuit for voltage regulators
08/09/2001US20010012212 Motor driving inverter
08/09/2001US20010012209 Power factor corrected UPS with improved connection of battery to neutral
08/09/2001US20010011885 Voltage step down type DC-DC converter having a coupled inductor
08/09/2001US20010011880 Power controller
08/09/2001US20010011845 Method and apparatus for providing uninterruptible power
08/09/2001DE10065157A1 Taktschaltung mit verbesserter Filterung, zur Anwendung insbesondere in Kraftfahrzeugen Clock circuit with improved filtering, for use particularly in motor vehicles
08/09/2001DE10005183A1 Gleichrichteranordnung Rectifier arrangement
08/09/2001DE10002326A1 Verfahren zum Ausschalten eines Schaltnetzteiles bei Kurzschluss und Schaltnetzteil Method of turning off a switching power supply with short circuit and switching power supply
08/09/2001DE10002325A1 Verfahren zum Anlaufen eines Schaltnetzteiles und Schaltnetzteil mit einer Anlaufschaltung Procedures for starting a switching power supply and switching power supply with a start-up circuit
08/08/2001EP1122870A1 Power circuit with smoothing choke coil inductance varying circuit
08/08/2001EP1122849A2 Power converter control device and respective power converter
08/08/2001EP1121749A1 Filtering device for filtering out supply voltage interferences
08/07/2001US6272028 Power converter apparatus
08/07/2001US6272027 AC active clamp for isolated power factor corrector and method of operating the same
08/07/2001US6272026 Pseudo push-pull DC:DC power converter topology
08/07/2001US6272025 Individual for distributed non-saturated magnetic element(s) (referenced herein as NSME) power converters
08/07/2001US6272024 D.c.-to-d.c. converter having an improved surge suppressor
08/07/2001US6271708 Gate circuit
08/07/2001US6271653 Power supply operable with wide input range
08/01/2001EP1120895A2 Capacitor module for use in invertor, invertor, and capacitor module