| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
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| 08/01/2000 | US6097181 High power drive from AC and DC sources using cryoelectronics |
| 08/01/2000 | US6097006 Fixing unit for use in image forming device |
| 08/01/2000 | CA2056095C Process and device for elimination or reducing harmonics and/or resonance oscillations |
| 07/27/2000 | DE19901272A1 Verfahren zum Betreiben eines elektrischen Umrichters A method of operating an electric drive |
| 07/26/2000 | CN1054777C Electrothermal recovery blanket |
| 07/20/2000 | WO2000042700A1 Bipolar chopper and method of using same |
| 07/19/2000 | EP1020986A1 Method for operating an electric converter |
| 07/18/2000 | US6091205 Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes |
| 07/14/2000 | CA2259055A1 Load power reduction control and supply system |
| 07/13/2000 | WO2000041293A1 Inverter apparatus |
| 07/12/2000 | EP1018208A1 Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes |
| 07/12/2000 | CN2387665Y SCR selective semi-wave frequency control speeder |
| 07/12/2000 | CN1259792A A. C. power control device |
| 07/06/2000 | WO2000039653A1 A method and system for alternating current regulation |
| 07/06/2000 | DE19935713A1 Signal compensation method involves using compensation factor determined by standard voltage, input voltage, input current and estimated output current of electronic device |
| 07/06/2000 | DE19861015A1 Anordnung zur Einspeisung von elektrischem Strom in ein 3-phasiges Stromnetz Arrangement for feeding electric current in a 3-phase electricity network |
| 07/05/2000 | EP1017156A1 Circuit device for driving an AC electric load |
| 07/05/2000 | EP1017147A2 Device for feeding electrical current in a three-phase network |
| 07/05/2000 | EP1016204A1 Circuit device for approximately-sinusoidal lowering of an ac voltage |
| 07/05/2000 | CN2386575Y Variable capacitance power control device without consumption |
| 07/05/2000 | CN1258958A Harmonic suppression equipment for air conditioner and its suppression method |
| 07/05/2000 | CN1258957A Supply unit for electronic machine |
| 07/04/2000 | US6084791 Control system for supply recovery of energy from a three-phase network into a converter with a variable voltage link |
| 07/04/2000 | US6084785 Electric power converter |
| 06/29/2000 | WO2000038306A1 Matrix converter |
| 06/29/2000 | DE19860721A1 Operating method for three-point converter of electric rail vehicle drives |
| 06/28/2000 | EP1012955A2 Precharging circuit for a capacitor connected to the output of a line-commutated power converter |
| 06/28/2000 | CN2385475Y Key switch controller |
| 06/28/2000 | CN2385470Y Low voltage starting operating power supply for domestic air conditioner |
| 06/28/2000 | CN1054009C Method and device for automatically changing upper, balanced and lower voltage in electric power saving transformer |
| 06/27/2000 | CA2014612C Inverter and power supply systems including same |
| 06/21/2000 | EP1011189A2 Method and circuit for adjusting the intermediate link voltage to the supply voltage |
| 06/21/2000 | CN2384368Y AC electrical appliance switch with power supplying function |
| 06/20/2000 | US6078162 Method for operating parallel DC-linked AC converters for feeding an asynchronous motor and circuitry for carrying out the method |
| 06/15/2000 | WO2000035073A1 An apparatus for controlling and managing electrically-driven users |
| 06/15/2000 | WO2000035072A1 Motor drive circuit |
| 06/15/2000 | DE19856551A1 Verfahren und Schaltungsanordnung zur Anpassung der Zwischenkreisspannung an die Versorgungsspannung Method and circuit for adjusting the DC link voltage to the supply voltage |
| 06/14/2000 | CN2383269Y Free maintenance frequency changing type AC no-power-off power source |
| 06/14/2000 | CN2382415Y Hand held electric heating high pressure vapour sterilizer temperature regulation instrument |
| 06/14/2000 | CN1256551A Pulse current generator operating in short-circuit and shunt mode |
| 06/13/2000 | US6075717 PWM rectifier control with switching losses equally distributed among multiple switching devices |
| 06/13/2000 | US6075328 PWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the same |
| 06/13/2000 | CA2229071C Appliance ac power control apparatus |
| 06/08/2000 | WO2000033453A1 Motion control system having an auxiliary power supply |
| 06/07/2000 | CN2382194Y Device for making lamp darkening gradually |
| 06/07/2000 | CN2382168Y Multifunctional electric power controller |
| 06/07/2000 | CN1255773A Circuit for regulating output power supply according to start time of inputting AC power supply and its method |
| 06/06/2000 | US6072707 High voltage modular inverter |
| 06/06/2000 | CA2045115C Rotary phase converter having circuitry for switching windings to provide reduced starting current with rapid dependable starting |
| 05/31/2000 | CN2381063Y Mechanical three-phase ac. frequency-conversion apparatus |
| 05/30/2000 | US6069412 Power factor corrected UPS with improved connection of battery to neutral |
| 05/25/2000 | WO2000030242A2 Step switch cycloconverter utilizing multi-tap armature |
| 05/24/2000 | CN2379967Y Silicon controlled rectifier thermoregulator |
| 05/23/2000 | US6067243 AC-AC/DC converter |
| 05/23/2000 | CA2179356C Power supply for in-line power controllers and two-terminal electronic thermostat employing same |
| 05/23/2000 | CA2122307C Constant voltage circuit and a stabilized power supply unit |
| 05/18/2000 | DE19850905A1 Arrangement for power control of electrical loads connected to AC supply network has controller with adjustable capacitance for setting phase angle and hence power fed to load |
| 05/18/2000 | DE19850853A1 Frequenzumrichter mit bedämpftem Gleichspannungszwischenkreis Inverter with damped DC intermediate circuit |
| 05/11/2000 | WO2000027019A1 Method and apparatus for protecting pwm cycloconverter |
| 05/11/2000 | WO2000027017A1 Frequency converter having a dampened direct voltage intermediate circuit |
| 05/11/2000 | WO2000008740A3 Arrangement for eliminating radio interferences in an electronic power regulator |
| 05/10/2000 | CN1252644A Tranformer for circulation convertor |
| 05/09/2000 | US6060876 Symmetrical power system |
| 05/02/2000 | US6058028 Control of a DC matrix converter |
| 05/02/2000 | US6057674 Energy saving power control system |
| 04/27/2000 | WO2000024114A1 Power transformer design for the electronic converters |
| 04/25/2000 | US6055163 Communications processor remote host and multiple unit control devices and methods for micropower generation systems |
| 04/19/2000 | EP0665995B1 Unipolar series resonant converter |
| 04/19/2000 | CN2375029Y Pure capacitor electronic transformer |
| 04/18/2000 | US6052293 Converter device for connection between a single-phase side on a single or multi-phase side |
| 04/18/2000 | US6052292 Tridirectional inverter |
| 04/13/2000 | WO2000021186A1 Electrical power transmission system |
| 04/12/2000 | EP0993106A2 Power converter circuit |
| 04/12/2000 | CN2373945Y AC electric power regulator |
| 04/11/2000 | US6049195 Split generator winding inverter |
| 04/06/2000 | WO2000019778A1 Circuit for controlling a load to be supplied by an alternating current voltage |
| 04/06/2000 | DE19845903A1 Elektrische Energieübertragungsanlage Electric power transmission system |
| 04/06/2000 | DE19845715A1 Stromrichterschaltung Converter circuit |
| 04/05/2000 | CN2372825Y Capacitive energy-saving power supply |
| 04/05/2000 | CN2372824Y Electromagnetic vibration feeding machine driven control circuit |
| 04/05/2000 | CN1249896A Parallel-storage series-drive electronic ballast |
| 04/05/2000 | CN1249565A Method for controlling and adjusting electric drive device, and apparatus for carrying out said method |
| 03/30/2000 | WO2000017728A2 Computer controlled ac electrical terminations and network |
| 03/30/2000 | DE19844050A1 Open and closed loop control method for electrical drive involving induction motor with voltage measured at output of sine wave filter in which complex vector is assigned in rotating reference system |
| 03/29/2000 | EP0989663A2 Circuit for reducing voltage fluctuation and flicker |
| 03/29/2000 | EP0834214A4 Rectification, derectification and power flow control |
| 03/28/2000 | US6043995 Method and apparatus for pulse width modulation of a power supply for increased transient stability in subsurface wellbore pumps |
| 03/28/2000 | US6043635 Switched leg power supply |
| 03/22/2000 | EP0987813A2 Filtering optimization of conducted disturbances |
| 03/22/2000 | CN2370600Y Capacitive charger |
| 03/21/2000 | US6040988 Converter with DC voltage intermediate circuit and method for operating such a converter |
| 03/15/2000 | EP0986165A2 Power conversion system |
| 03/15/2000 | CN1247409A Start controlling equipment and method for three-phase a. c. motor |
| 03/15/2000 | CN1247406A Power converting system |
| 03/14/2000 | US6037757 Power control unit having switching phase control for reducing voltage drop at a power supply |
| 03/09/2000 | WO2000013302A1 Controller for pwm/pam motor, air conditioner, and method of motor control |
| 03/09/2000 | WO2000013287A1 Communications processor, remote host and multiple unit control devices and methods for micropower generation systems |
| 03/09/2000 | WO2000012344A1 A generator device |
| 03/07/2000 | US6034565 Power amplifier for use in an NMR tomography apparatus |
| 03/02/2000 | DE19837608A1 Electronic switch with two wire connection for switching loads with low or high impedance, such as light bulb or fluorescent lamp, has driver circuit controlled according to current change in DC voltage circuit |