| Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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| 03/27/2001 | US6208541 PWM inverter apparatus |
| 03/27/2001 | US6208540 Combined power inverter and auxilliary power supply using null vector modulation |
| 03/27/2001 | US6208121 Switching power supply with AC waveform capability |
| 03/27/2001 | US6208085 Circuit for power-factor correction |
| 03/27/2001 | US6208064 Piezoelectric transformer drive circuit and drive method |
| 03/27/2001 | CA2059935C High power factor power supply |
| 03/22/2001 | WO2001020759A1 Method and arrangement for expanding the power output capacity of a power plant |
| 03/22/2001 | WO2001020757A1 Switching circuit of power converter |
| 03/21/2001 | EP1085793A2 Electrical compact device for swich mode power supply |
| 03/21/2001 | EP1085649A2 Power conversion system |
| 03/21/2001 | EP0956638B1 Pulse width modulation converter |
| 03/21/2001 | CN1288650A Resonant converter circuit |
| 03/21/2001 | CN1063596C Method for measuring phase currents in inverter, and inverter using this method |
| 03/21/2001 | CA2319733A1 Switching power circuit |
| 03/20/2001 | US6205043 Power supply with air core transformer and seperated power supplies for high dynamic range |
| 03/20/2001 | US6205042 Indirect calculation of bus voltage for voltage source inverter |
| 03/20/2001 | US6205041 Power supply for electronic thermostat |
| 03/20/2001 | US6205040 Auxiliary resonant commutated pole three-point or multipoint converter |
| 03/20/2001 | US6204612 Discharge device |
| 03/20/2001 | US6204581 Commutator heat dissipating device for alternators |
| 03/15/2001 | WO2001018936A1 Control of series-resonant inductive pickups |
| 03/15/2001 | DE19942203A1 Output voltage limitation method for voltage/frequency regulator for electric motor limits voltage to first and second values obtained from regulator intermediate circuit voltage characteristic and voltage respectively |
| 03/15/2001 | DE19935100A1 Halbbrückenkonfiguration Half-bridge configuration |
| 03/15/2001 | DE10042938A1 Motor drive has power transformer secondary circuits coupled to individual power cells regulated for reduction of harmonics |
| 03/15/2001 | DE10000400A1 Brushless DC motor for electric fan has driver circuit for stator coil supplied from AC supply network via voltage converter with rectification, filtering and smoothing stages |
| 03/14/2001 | EP1082805A1 Voltage switch-over device |
| 03/14/2001 | EP1012898A4 Battery charger |
| 03/14/2001 | CN2423678Y 半导体变压器 Semiconductors Transformers |
| 03/14/2001 | CN1287404A Power supply switch equipment |
| 03/14/2001 | CN1287402A Auxiliary resonance commutating pole multipoint current transformer |
| 03/14/2001 | CN1063292C Electric transmission installation using high-voltage DC current |
| 03/13/2001 | US6201720 Apparatus and methods for space-vector domain control in uninterruptible power supplies |
| 03/13/2001 | US6201719 Controller for power supply and method of operation thereof |
| 03/13/2001 | US6201718 Step-up power supply circuit and integrated circuit device |
| 03/13/2001 | US6201716 Controller of power supplying apparatus with short circuit preventing means |
| 03/13/2001 | US6201715 Synchronous frame regulation to extract a positive sequence component of a line voltage |
| 03/13/2001 | US6201714 Exchanging converter having a zero-voltage switching control circuit for driving an output voltage filter capacitor to partially feed back storage energy to an input side of the transformer or storage inductor |
| 03/13/2001 | US6201382 Low noise and energy loss power supply apparatus and voltage converter |
| 03/13/2001 | US6201368 Switched reluctance drive with high power factor |
| 03/13/2001 | US6201359 High-voltage generator including a high-voltage unit |
| 03/08/2001 | DE19942258A1 Circuit and method for diverting system stored energy in frequency converter circuit during commutation employs GTO thyristor circuits connected across d.c. link circuit |
| 03/08/2001 | DE19941546A1 Electronic transformer has power-dependent number of direct current elements and small electronic control device instead of wound coil |
| 03/08/2001 | DE19941170A1 Self-symmetrising supply system has semiconducting switches in sub-converters that are loaded voltage symmetrically without active regulation or additional circuitry |
| 03/08/2001 | DE10025904A1 Stromversorgungssystem Power supply system |
| 03/08/2001 | DE10023091A1 Electric power supply control apparatus for electric products, detects zero current flowing through coil and correspondingly operates switching element connected between DC power and node of coil and diode |
| 03/07/2001 | EP1081842A1 A multi-speed motor controller |
| 03/07/2001 | EP1081841A2 Circuit arrangement for a rectifier |
| 03/07/2001 | EP1081838A2 Power control method and circuit, and power supply unit |
| 03/07/2001 | EP1081833A1 Power converter apparatus |
| 03/07/2001 | EP1080611A1 Circuit arrangement |
| 03/07/2001 | CN1286523A Sigle-stage AC/DC converter with power factor correction |
| 03/07/2001 | CN1062991C PWM converter |
| 03/07/2001 | CN1062990C Power source change-over device |
| 03/07/2001 | CN1062989C Distribution base panel and electric power conversion arrangement using same |
| 03/06/2001 | US6198647 Twelve-phase transformer configuration |
| 03/06/2001 | US6198638 Synchronous rectifier flyback circuit for zero voltage switching |
| 03/06/2001 | US6198315 Current detection circuit |
| 03/06/2001 | US6198257 Transformerless DC-to-AC power converter and method |
| 03/06/2001 | US6198198 Control circuit and method for piezoelectric transformer |
| 03/06/2001 | US6198178 Step wave power converter |
| 03/02/2001 | CA2316779A1 Arcp multipoint converter having variable-potential intermediate-circuit capacitances |
| 03/01/2001 | WO2001014614A2 Solid state cathodic protection systems, methods for making and using same |
| 03/01/2001 | WO2000062006A3 Non-lethal projectile systems |
| 02/28/2001 | EP1079510A2 Half bridge configuration |
| 02/28/2001 | EP1079509A1 Power supply apparatus |
| 02/28/2001 | EP1078829A2 Steering lock device with safety system |
| 02/28/2001 | EP1078447A1 Uninterruptible power supply with plurality of inverters |
| 02/28/2001 | EP1078446A1 Device for creating a neutral point in an electrical system |
| 02/28/2001 | EP1078444A1 Pwm controller for use with open loop dc to ac converter |
| 02/28/2001 | EP1078378A1 Power regulator |
| 02/28/2001 | CN2421774Y Portable inverting power supply |
| 02/28/2001 | CN2421773Y Module AC voltage-regulating electricity-saving water-saving silicon rectifier |
| 02/28/2001 | CN1285968A An improved connector scheme for power pod power delivery system |
| 02/28/2001 | CN1285650A Magnetic pole commutating dc motor |
| 02/28/2001 | CN1285649A Power source |
| 02/28/2001 | CN1285639A Controller for static reacance generator |
| 02/28/2001 | CN1062692C Three-phase transformer, ac-dc power supply and method for generating dc power supply |
| 02/27/2001 | US6195276 Controller for a Graetz switch bridge rectifier for an alternator |
| 02/27/2001 | US6195271 AC adaptor with power consumption reduction in unused state |
| 02/27/2001 | US6194885 Boosting active filter system and controller for boosting active filter |
| 02/27/2001 | US6194883 Power supply apparatus and method of controlling power supply circuit |
| 02/27/2001 | US6194856 Motor driving apparatus including a modularized current control circuit and method of controlling the same |
| 02/27/2001 | US6194845 Ballasts with tapped inductor arrangements for igniting and powering high intensity discharge lamps |
| 02/27/2001 | CA2263296C Inverter for inputting sinusoidal currents into an alternating current network |
| 02/22/2001 | WO2001013504A1 Method for controlling neutral point potential of inverter of neutral point clamping type |
| 02/22/2001 | DE19959716A1 Capacitor discharge device for current supply system has discharge circuit providing discharge path for capacitive charge activated when current supply system is disconnected |
| 02/22/2001 | DE19937671A1 Air-cooled bridge or double-way connection (converter) |
| 02/21/2001 | EP1076925A1 Rectifier circuit |
| 02/21/2001 | CN1284777A Multi-mode power converter with equalizer circuit and its operational method |
| 02/21/2001 | CN1062390C Multilevel converter |
| 02/21/2001 | CN1062221C Multiple power sources supplied propulsion system and realizing method thereof |
| 02/20/2001 | US6191967 Voltage supply device having self-testing circuit |
| 02/20/2001 | US6191966 Phase current sensor using inverter leg shunt resistor |
| 02/20/2001 | US6191961 DC high voltage generator |
| 02/20/2001 | US6191564 Power factor correcting electrical converter apparatus |
| 02/20/2001 | US6189352 Drive device for roll stands |
| 02/15/2001 | DE19937925A1 Halbbrückenwechselrichter Half-bridge inverter |
| 02/15/2001 | DE19937924A1 Gleichrichter mit Mittelpunkteinspeisung Rectifier with center feed |
| 02/15/2001 | DE19937410A1 Three-phase solar converter for mains and island power operations adapts voltage levels from DC voltage generated by solar cells to the public mains power supply by raising and converting power. |
| 02/15/2001 | DE10020780A1 Battery charger with ability to increase charging current to battery without increase of supply to charger, has supply voltage generator coupled to AC source, and charging circuit coupled from generator circuit |