Patents for H02M 1 - Details of apparatus for conversion (33,954)
06/1997
06/03/1997US5635828 Active filter circuit and power supply apparatus including same
06/03/1997US5635826 Input waveform follow-up AC power source system
06/03/1997US5635825 Power factor corrected feedforward coupled DC power supply
05/1997
05/29/1997WO1997019245A2 Drive unit for an electric door
05/28/1997EP0776083A2 Power converter circuit
05/28/1997EP0775383A2 Control circuit for cryogenically-cooled power electronics employed in power conversion systems
05/27/1997US5633790 DV/DT limiting of inverter output voltage
05/27/1997US5633787 Switch-mode power supply with control of output supply voltage and overcurrent
05/27/1997US5633579 Boost converter using an energy reproducing snubber circuit
05/27/1997CA2056010C Inverter device for stable, high power-factor input current supply
05/24/1997CA2188370A1 converter circuit arrangement
05/22/1997WO1997018618A1 Dc-dc converters
05/21/1997CN1150506A Switch with controlled rise and fall characteristics
05/20/1997US5631550 Digital control for active power factor correction
05/20/1997US5631504 AC/DC power supply
05/14/1997EP0772902A1 Current supply apparatus, in particular battery-loading apparatus for electric vehicles or the like
05/14/1997CN1149939A Half-bridge driver circuit
05/14/1997CN1149938A Method and means for supervision of valve units
05/14/1997CN1149784A Power supply control and its method
05/13/1997US5629610 Dual threshold current mode digital PWM controller
05/13/1997US5629607 Initializing controlled transition light dimmers
05/09/1997WO1997016884A1 Device and method of supplying from an ac source
05/09/1997CA2236688A1 Device and method of supplying from an ac source
05/07/1997EP0772288A2 Semiconductor power module and compound power module
05/07/1997EP0772287A1 Switching power supply with power factor correction
05/07/1997EP0772281A2 Power-factor improvement converters
05/07/1997EP0772280A1 Dual voltage rectified supply circuit
05/07/1997CN1149359A Switching power supply for the operation of electric lamps
05/06/1997US5627741 Power supply apparatus
05/06/1997US5627736 Power supply noise filter
05/06/1997US5627733 Power supply device
05/06/1997US5627708 High power factor electronic stabilizer with protection circuit
05/06/1997US5627455 Boost topology with two outputs for power factor correction application
05/02/1997EP0771064A2 Single shared turn-off circuit for a thyristor converter
05/02/1997EP0771062A1 AC-DC converter device with sinusoidal input current and method applied in such converter
05/02/1997EP0770281A1 Power supply apparatus comprising an improved limiter circuit
04/1997
04/30/1997DE19639857A1 Load voltage supply low in higher harmonics for compact fluorescent lamp
04/30/1997CN1148912A Device for converting a resistance value into a control signal which depends on the resistance value, and electrical apparatus comprising such device
04/29/1997US5625548 Control circuit for cryogenically-cooled power electronics employed in power conversion systems
04/29/1997US5625543 Power converter with harmonic neutralization
04/29/1997US5625538 High power factor power-supply system
04/29/1997US5625312 Control circuit for semiconductor device
04/26/1997CA2181094A1 Common turn-off circuit for a thyristor power converter
04/23/1997EP0769216A1 Hvdc transmission
04/23/1997CN2252992Y Zero current detector of thyrister 3-phase rectifier bridge
04/22/1997US5623397 Power conversion in anticipatory reverse boost mode
04/22/1997CA2129923C Protection system for thyristor valve
04/22/1997CA2058207C Inverter with shared chopper function for high input power factor with restrained higher harmonies
04/17/1997DE19537832A1 System of choke coils on common core e.g. for mains-driven converter connection
04/16/1997EP0768748A2 Input harmonic current corrected AC-to-DC converter with multiple coupled primary windings
04/16/1997CN1147723A Electric power converter
04/15/1997US5621634 Power converter
04/15/1997US5621628 Power converter
04/15/1997US5621625 Surge protection circuit for a switching mode power supply
04/15/1997US5621624 Miniaturized high frequency direct current power supply
04/15/1997US5621622 Power converter overload protection circuit
04/15/1997US5621601 Over-current protection apparatus for transistor
04/15/1997US5621257 Gate drive circuit for voltage-driven type power switching device
04/15/1997CA2062845C Switching voltage regulator with protective device against thermal breakdown
04/08/1997US5619405 Power supply
04/08/1997US5619404 Multi-channel single stage high power factor AC to DC converter
04/03/1997WO1997012500A1 Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load
04/03/1997DE19543956C1 Control of electronic switching stages of bridge pairs
04/03/1997DE19537526A1 Electrically driven vehicle e.g. railway locomotive
04/03/1997DE19536064A1 Getaktete Stromversorgungsschaltung mit einer von einem Verbraucher unabhängigen, zumindest zeitweise wirksamen Last Pulsed power supply circuit with a consumer by a independent, at least intermittently active load
04/03/1997DE19528122C1 Dynamic control of inverter AC output voltage e.g. for electromotor
04/02/1997EP0766372A2 Resonant DC-DC converter capable of controlling by pulse width modulation
04/01/1997US5617308 Noise-immune, clamped, resonant link inverter
04/01/1997US5617013 Power supply with power factor correction and protection against failures of the power factor correction
04/01/1997CA2063250C Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency
03/1997
03/26/1997EP0765025A2 Start-up circuit and semiconductor device for such a start-up circuit
03/26/1997EP0764360A1 Half-bridge driver circuit
03/26/1997EP0764359A1 Improved emi filter topology for power inverters
03/26/1997CN1034384C Television starup current regulation
03/26/1997CN1034379C Automatic control device for point voltage in half-bridge power amplification power supply
03/25/1997US5615101 Power converter with high power factor
03/25/1997US5615098 AC-DC converter
03/25/1997US5615094 Non-dissipative snubber circuit for a switched mode power supply
03/25/1997US5614812 Power supply with power factor correction
03/25/1997US5614810 Power factor correction circuit
03/19/1997EP0763276A1 Switching power supply for the operation of electric lamps
03/19/1997EP0763275A1 Method and means for supervision of valve units
03/19/1997CN1145547A Convert circuit arrangement
03/18/1997US5612856 Circuit arrangement for producing a direct voltage with reduction of harmonic and high-frequency interferences
03/18/1997US5612613 Reference voltage generation circuit
03/18/1997US5612605 Auto boost for voltage/frequency motor controller
03/18/1997US5612597 Oscillating driver circuit with power factor correction, electronic lamp ballast employing same and driver method
03/13/1997WO1997009772A1 Power supply apparatus with improved efficiency
03/12/1997EP0762652A1 Insulated gate transistor drive circuit
03/11/1997US5610803 Pulse width modulated power supply that reduces overshoot
03/11/1997US5610451 Uninterruptible power supply with power factor correction
03/06/1997WO1997008803A1 Lightweight, compact, on-board, electric vehicle battery charger
03/06/1997DE19634186A1 Thyristor bridge for energy feedback to AC network e.g. for photovoltaic equipment
03/06/1997DE19532377A1 Supply of AC load especially AC motor
03/05/1997EP0760551A2 Electrical device
03/04/1997US5608614 Power converter
03/04/1997US5608613 Flyback converter
02/1997
02/27/1997WO1997007588A1 Electric power converter
02/26/1997EP0759234A1 Switch with controlled rise and fall characteristics
02/26/1997CN1144024A Process and device for equalising voltage distribution to gate-controlled, series-connected semiconductors