Patents for H02M 1 - Details of apparatus for conversion (33,954)
02/1998
02/25/1998EP0825716A2 Drive circuit for a field-effect controlled semiconductor device
02/25/1998EP0782784B1 Process for regulating a four-quadrant regulator operating as a mains converter
02/25/1998CN2275321Y 电子交流调压器 Electronic exchange regulator
02/25/1998CN1174444A Converter circuit arrangement
02/24/1998US5721675 Power supply converting circuit
02/18/1998EP0824300A1 Inverter for the power supply of discharge lamps with means for improving the power factor
02/18/1998CN1173962A Ballast system
02/18/1998CN1173765A Multi-level inverter
02/17/1998US5719757 Three-phase rectifier circuit having capacitors which are switched into the circuit dependent on the rectifier output voltage
02/17/1998US5719493 Electrical device
02/17/1998US5719474 Fluorescent lamps with current-mode driver control
02/12/1998DE19632023A1 Step-up voltage circuit arrangement for push=pull voltage conversion in battery charging device operating at above 1 Kw
02/11/1998EP0823773A2 Power converter circuit
02/10/1998US5717582 Selectively controlled electrical power switching system
02/10/1998US5717579 Power supply unit, more specifically battery charger for electric vehicles and the like
02/04/1998EP0821844A1 Method for processing pwm waves and devices therefor
02/03/1998US5715156 Method and apparatus for providing AC or DC power for battery powered tools
02/03/1998US5715154 Circuit and method for controlling an inrush current limiter in a power conversion system that includes power factor correction
02/03/1998US5714846 Minimum harmonic distortion operating circuit for at least one low-pressure discharge lamp
01/1998
01/29/1998WO1998004024A1 Electrical power transmitting system with reduced feeder size and method of operation
01/29/1998CA2261076A1 Electrical power transmitting system with reduced feeder size and method of operation
01/28/1998EP0820658A1 Circuit for supplying power, without the need for a battery, to the electronic control unit of a machine driven by an internal-combustion engine
01/28/1998EP0820655A1 Large signal linear digital substantially unity power-factor controller for controlling a power supply
01/28/1998CN1171863A Transmission line power flow controller with unequal advancement and retardation of transmission angle
01/27/1998US5712780 Unity power factor converter for high quality power supply with magnetically coupled compensation
01/27/1998US5712774 Device for suppressing higher harmonic current of power source
01/27/1998US5712772 Controller for high efficiency resonant switching converters
01/21/1998EP0820141A2 Zero voltage control for a mixed bridge
01/21/1998EP0820136A2 Power supply circuit for an air conditioner
01/21/1998EP0819329A1 Thyristor valve for a converter intended for use in power transmission by means of high-voltage direct current
01/21/1998EP0772902B1 Current supply apparatus, in particular battery-loading apparatus for electric vehicles or the like
01/21/1998CN1170854A Air conditioner
01/20/1998US5710698 Delta connected resonant snubber circuit
01/15/1998WO1998001940A1 Power converter
01/15/1998WO1998001939A1 Power converter
01/15/1998WO1998001937A2 A connection means between a frequency converter and its load
01/15/1998DE19729388A1 AC=DC voltage converter with reduced harmonics content
01/15/1998CA2259554A1 Power converter
01/14/1998EP0818889A2 Gate voltage limiting for a circuit arrangement
01/14/1998EP0750808B1 Process and device for equalising the voltage distribution to gate-controlled, series-connected semiconductors
01/14/1998CN1170273A Ac/Dc power converter device
01/13/1998US5708575 For converting an electric dc voltage into an output voltage
01/13/1998US5708571 Synchronous rectifying circuit of an active clamping type with less driving loss and less continuity loss
01/13/1998US5708353 Device for detecting the short circuiting of the switches of a converter circuit arrangement
01/08/1998WO1998000903A1 A phase shift triggering circuit for thyristor and an integrated module of the triggering circuit and the thyristor
01/07/1998EP0817381A2 Semiconductor device drive circuit
01/07/1998EP0815636A1 Electric circuit
01/07/1998EP0815635A1 Power supply circuit with a storage capacitor
01/07/1998CN2272176Y Temp controllable electric heating blanket switch
01/07/1998CN1169783A Mtthod and apparatus for electronic power control
01/07/1998CN1169617A Regulated dc. power-supply circuit for intermittent switch
01/02/1998DE19726310A1 Reference voltage generation circuit with noise voltage suppression for digital mobile device
12/1997
12/31/1997WO1997050168A1 Power supply for light emitting diode array
12/31/1997CN1169212A Circuit
12/31/1997CN1169053A AC/DC converting circuit
12/31/1997CA2259258A1 Power supply for light emitting diode array
12/30/1997US5703767 Apparatus and method to prevent saturation of interphase transformers
12/30/1997US5703763 Power supply apparatus with improved efficiency
12/30/1997US5703438 Line current filter for less than 10% total harmonic distortion
12/29/1997EP0814559A2 AC/DC power converter device
12/29/1997EP0813767A1 Switched-mode power supply with synchronous preconverter
12/24/1997WO1997049166A1 Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism
12/24/1997WO1997049165A1 Gate drive circuit for an scr
12/24/1997CN1168748A Power rectifier circuit
12/23/1997US5701243 High-power factor series resonant rectifier circuit
12/23/1997US5701237 Switching power supply
12/23/1997CA2008127C Method and apparatus for controlling a single-or polyphase a.c. controller
12/20/1997CA2208978A1 Ac/dc power converter device
12/18/1997WO1997048174A1 A method and an apparatus for filtering an electric current supplied to a motor
12/17/1997EP0813082A1 Light trigger thyristor
12/17/1997EP0812487A1 Protective circuit for series-connected power semiconductors
12/17/1997CN1168181A Switching power supply with auxiliary circuit to power beat generator
12/17/1997CN1168021A Active absorption circuit for soft switch
12/16/1997US5699239 Power supply control circuit
12/16/1997US5699018 Negative voltage generator
12/16/1997US5699008 Thyristor controllable by logic signals
12/16/1997US5698950 Suppressor for an electronic ballast in a discharge lamp
12/10/1997EP0812055A2 Multi-Level Inverter
12/10/1997EP0811529A2 Circuit with reduced EMI radiation
12/10/1997CN1167360A Synchronous power source
12/09/1997US5696670 Power supply for arc-discharge load
12/03/1997EP0810721A2 Welding converter device
12/03/1997EP0810712A2 Circuit arrangement for controlled injection
12/03/1997EP0809879A1 Method and device for filtering and damping conducted interference caused by ultimate consumers
12/03/1997EP0724791B1 Converter circuit
12/03/1997CN1166720A Versatile unit-block combined trigger
12/02/1997US5694310 Three phase input boost converter
12/02/1997US5694309 Synchronization of power converter arrays
12/02/1997US5694307 Integrated AC/DC and DC/DC converter
12/02/1997US5694305 Method and apparatus for protection of electronic circuitry
12/02/1997US5694304 High efficiency resonant switching converters
12/02/1997US5694302 Passive clamp and ripple control for buck boost converter
11/1997
11/28/1997WO1997045948A1 Rcc switching power supply
11/26/1997EP0809348A1 DC voltage switching power supply with current limitation
11/26/1997EP0809346A1 Inverter apparatus for supplying a brushless DC motor with drive power
11/26/1997EP0808552A1 Ballast system
11/26/1997EP0746809A4 Electronic ballast with low harmonic distortion
11/26/1997CN2269024Y Universal trigger of digital phase locked loop controlling thyristors
11/26/1997CN1166080A Switched-mode power supply having standby mode
11/26/1997CN1166078A Output voltage compensating circuit