Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
06/1998
06/04/1998DE19648806A1 Antriebssystem im Megawattbereich für Industrieanlagen Drive system in the megawatt range for industrial plants
06/03/1998EP0793873B1 Method and device for reducing harmonics system perturbations in a self-commutated multilevel inverter
06/03/1998CN2283330Y 逆变器 Inverter
06/03/1998CN1183862A High voltage power supply having multiple high voltage generators
06/03/1998CN1038632C 电力变换器 Power converter
06/03/1998CN1038631C Circuit arrangement
06/02/1998US5761058 Power converter apparatus for a discharge lamp
06/02/1998US5761055 Driving pulse output limiting circuit
06/02/1998US5760619 Piezoelectric transformer driver circuit
06/02/1998US5760495 Inverter/charger circuit for uninterruptible power supplies
05/1998
05/28/1998WO1998022959A1 Saturation choke coil
05/28/1998WO1998021924A2 Control equipment for an active filter
05/28/1998DE19647933A1 Static power converter for railway traction current supply
05/27/1998EP0844812A1 Cooling device for IGBT devices
05/27/1998EP0844729A2 Method and device for suppressing the DC-offset of an inverter
05/27/1998EP0844726A2 Power supply unit for discharge
05/27/1998EP0843576A2 Movement powered medical pulse generator having a full-wave rectifier with dynamic bias
05/27/1998CN2282748Y Solar inverter
05/27/1998CN1182972A Electric power conversion system
05/26/1998US5757637 Power converter with star configured modules
05/26/1998US5757636 Multi-phase inverters utilizing discontinuous PWM with dead bands
05/26/1998US5757635 Power factor correction circuit and circuit therefor having sense-FET and boost converter control circuit
05/26/1998US5757634 Multiparalleling system of voltage source power converters
05/26/1998US5757633 High efficiency multistep sinewave synthesizer
05/26/1998US5757176 Method and system for controlling output current of a large, low-voltage, DC power supply and obtaining diagnostic information from the operation thereof
05/26/1998US5757140 Electronic ballast with frequency control
05/22/1998WO1998021815A1 Power supply device and portable electronic equipment
05/22/1998WO1998021805A1 Power supply system
05/22/1998WO1998009362A3 Power back
05/20/1998EP0843404A1 Electric circuit
05/20/1998EP0786167A4 Controller for permanent magnet generator
05/20/1998EP0771489A4 Power control circuit for improved power application
05/20/1998CN1182507A Method for processing PWM waves and device therefor
05/20/1998CN1038461C 并联多重逆变器 Multiple parallel inverters
05/19/1998US5754065 Driving scheme for a bridge transistor
05/19/1998US5752838 Terminal block and control unit using same
05/14/1998WO1998020605A1 A resonant power converter for energising a coil
05/14/1998DE19646043A1 Vorrichtung zur Spannungsversorgung Apparatus for voltage supply
05/13/1998EP0841742A2 Power converter circuit
05/13/1998CN1181848A Integrated driver for half-bridge circuit
05/13/1998CN1038377C Power supply appts.
05/13/1998CN1038375C Control and protection system for AC-DC conversion system
05/12/1998US5751568 Power supply apparatus for arc-utilizing equipment
05/12/1998US5751567 AC-DC converter
05/12/1998US5751563 HVDC transmission
05/12/1998US5751205 High-voltage transformer for a television receiver
05/12/1998CA2097353C Electric power converter
05/12/1998CA2068864C Apparatus for a balanced three phase ac power supply in a computer having variable dc loads
05/08/1998CA2216491A1 Power converter circuit arrangement
05/07/1998WO1998019385A1 Active interphase reactor for 12-pulse rectifier
05/07/1998WO1998019348A1 Converter with piezoceramic transformer
05/07/1998DE19724356C1 Power supply circuit for motor vehicle on-board network with three voltage levels
05/06/1998EP0840433A1 Drive circuit voltage supply for switching means in a converter with intermediate voltage circuit
05/06/1998CN2281039Y Temp.-control switch for electric-heating blanket
05/06/1998CN2281038Y Isolation type soft switch state current transformer
05/05/1998US5748463 Generating apparatus for vehicle
05/05/1998US5748459 Electric leakage current prevention using an equivalent impedance
05/05/1998US5747938 Automatic control electroluminescent backlight panel
05/05/1998US5747935 Method and apparatus for stabilizing switch-mode powered RF plasma processing
05/05/1998US5747875 Semiconductor power module with high speed operation and miniaturization
05/05/1998US5747833 Apparatus for driving induction motor
04/1998
04/30/1998WO1998018199A1 Electronic power control having a switched-mode power supply
04/30/1998WO1998018198A1 Active rectifier circuit
04/29/1998EP0838894A1 Electric power converter for ac electric vehicles
04/29/1998EP0838893A2 Power source apparatus
04/29/1998EP0838855A2 Semiconductor module
04/29/1998CN1180261A Power control apparatus for solar power generation system
04/28/1998US5745356 Independent load sharing of AC power systems connected in parallel
04/28/1998US5744994 Three-terminal power mosfet switch for use as synchronous rectifier or voltage clamp
04/28/1998US5744927 Inverter control method and apparatus
04/28/1998US5744915 Electronic ballast for instant-start lamps
04/28/1998CA2051143C Inverter control device
04/28/1998CA2047322C Waveform generator for inverter control
04/23/1998WO1998016994A1 Inverter
04/23/1998WO1998016993A1 Converter
04/23/1998WO1998016991A1 Circuit for complementing an ac mains voltage, particularly for resistive loads
04/23/1998WO1998016985A1 Uninterruptible power supplies having cooled components
04/23/1998WO1998016983A1 Time multiplexing of transformer secondary power windings
04/23/1998DE19745578A1 Semiconducting voltage converter
04/23/1998DE19642522C1 Wechselrichter Inverter
04/23/1998DE19634948C1 Netzgerät Power Supply
04/22/1998EP0837547A2 Power circuit
04/22/1998EP0837546A2 Power circuit
04/22/1998CN1179645A Power factor controller for active converter
04/21/1998US5742497 Cold-cathode fluorescent lamp lighting device
04/21/1998US5742496 Invertor apparatus for converting a DC voltage to a single-phase AC voltage
04/21/1998US5742493 Power conversion apparatus
04/21/1998US5742470 Circuit arrangement including an EHT cascade circuit
04/21/1998US5742134 Inverter driving scheme
04/21/1998US5742105 Trickle power supply
04/16/1998WO1998016003A1 Power unit and voltage transformer
04/15/1998EP0836267A1 Circuit for complementing an AC mains voltage,particularly for resistive loads
04/15/1998CN2279031Y Incombustible oil capacity charge and discharge electric generator
04/15/1998CN1179257A Voltage booster
04/15/1998CN1179240A Power-supply circuit
04/15/1998CN1179028A Power source change-over device
04/14/1998US5740026 Controlled input circuit for an SCR to accept either AC or DC voltage
04/14/1998US5740022 Power factor improving circuit
04/14/1998US5739679 Cold cathode tube lighting device using piezoelectric transformer
04/14/1998US5739595 Apparatus and methods for generating an AC power signal for cable tv distribution systems