| 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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| 08/19/2009 | CN201293932Y Multifunctional mongline power supply control circuit |
| 08/19/2009 | CN101512891A Property management system |
| 08/19/2009 | CN101512887A Method and device for reducing the influence of a DC component in a load current of an asynchronous three-phase motor |
| 08/19/2009 | CN101512885A High voltage power supply |
| 08/19/2009 | CN101510731A Observe and control power supply of large-sized soft control type variable frequency ozone generator |
| 08/19/2009 | CN100530924C HF switching power supply |
| 08/19/2009 | CN100530923C Single-phase and triple-phase impedance source booster and step-down DC/DC converter |
| 08/18/2009 | US7577009 PWM cycloconverter and control method for PWM cycloconverter |
| 08/18/2009 | US7577002 Frequency hopping control circuit for reducing EMI of power supplies |
| 08/18/2009 | CA2416193C Matrix converter for the transformation of electrical energy |
| 08/13/2009 | WO2009098201A1 Converter |
| 08/13/2009 | DE102009003424A1 Hochfrequenzelektroantrieb mit Multipolmotor für Gaspipeline-und Speicherkompressionsanwendungen High-frequency electric drive with Multipolmotor for gas pipeline and storage compression applications |
| 08/13/2009 | DE102008014645A1 Converter circuit for controlling drive of production machine or tool machine, has switching element i.e. passive switching element, opened, when direct current link voltage falls below preset switching off threshold value |
| 08/13/2009 | DE102008008587A1 Elektrische Schaltung mit einem Tranformator und mit mindestens zwei Diodenbrücken Electrical circuit having a Transformer and having at least two diode bridges |
| 08/13/2009 | DE102008008124A1 Motor system, has gate driver unit electrically connected with optocoupler switch, power unit electrically connected with driver unit and fed with direct current, and motor electrically connected with power unit |
| 08/13/2009 | DE102008007658A1 Statischer Umformer Static converters |
| 08/12/2009 | EP2088668A2 Static convertor |
| 08/12/2009 | CN201289289Y Three-phase variable frequency heat pressing sintering device for energy-saving type diamond product |
| 08/12/2009 | CN201288530Y Program controlled intermediate frequency power supply apparatus |
| 08/12/2009 | CN101507111A Multi-function passive frequency mixer |
| 08/12/2009 | CN101507103A Multi-function passive frequency mixer |
| 08/12/2009 | CN101507102A Multi-function passive frequency mixer |
| 08/12/2009 | CN101505089A Capacitor transformer |
| 08/11/2009 | US7573732 Protective circuit and method for multi-level converter |
| 08/06/2009 | WO2009096158A1 Power transformer |
| 08/06/2009 | WO2009095528A1 Transport system |
| 08/06/2009 | US20090196078 Static converter |
| 08/05/2009 | CN201286067Y Three phase frequency changing power device for diamond product hot pressing sintering |
| 08/05/2009 | CN201286066Y Dual PWM inverter with energy capable of bidirectional flowing |
| 08/05/2009 | CN201286065Y Power regulation electrical power |
| 08/05/2009 | CN101499772A Cascade 5 level frequency variant speed regulating circuit based on DSP and working method thereof |
| 08/05/2009 | CN101499771A Frequency-changing speed-regulating driver for energy feedback three phase motor with three phase electric power |
| 08/05/2009 | CN101499770A Passive compensating and energy saving apparatus for digital large power winding asynchronous motor |
| 08/05/2009 | CN101499729A Three phase frequency changing power device for diamond product hot pressing sintering |
| 08/05/2009 | CN101499728A High voltage frequency conversion apparatus having STATCOM function, control method and control apparatus |
| 08/05/2009 | CN101499727A Energy output controlling method and circuit |
| 08/05/2009 | CN101499726A Power supply apparatus and method for display device |
| 08/05/2009 | CN100525572C Reverse-flow device circuit with functional factor adjusting effect |
| 08/05/2009 | CN100525551C Inverter circuit for an induction heating apparatus, cooking appliance having such circuit, and operating method |
| 08/05/2009 | CN100525044C Self driving circuit for three winding reverse exciting converter synchronous rectifier |
| 08/05/2009 | CA2651548A1 Alternating current power source |
| 08/04/2009 | CA2548678C Device for power adjustment by phase control and method for reduction of harmonic waves |
| 07/30/2009 | WO2009092234A1 An ac plasma ejection gun and its power supply method and a pulverized coal burner |
| 07/30/2009 | WO2006006810A9 Power variable-type motor driving circuit and driving method |
| 07/30/2009 | US20090189393 Micro wind turbine topology for small scale power generation |
| 07/30/2009 | DE102008006311A1 Direct current transmitting and distributing method for end consumer of network, involves transforming rotating current energy into direct current energy under maintenance of ripple, and realizing bridge circuit for rectification |
| 07/30/2009 | DE10110375B4 Induktionserwärmungsanlage Induction heating system |
| 07/29/2009 | EP2083498A1 An AC power generating system |
| 07/29/2009 | CN201282427Y AC output parallel connection power supply device |
| 07/29/2009 | CN201282426Y Optical switch power supply |
| 07/29/2009 | CN201282424Y Cathodic protection varying-voltage rectifier |
| 07/29/2009 | CN201282423Y Connection circuit of frequency changer and epigyny machine thereof |
| 07/29/2009 | CN101494422A Variable input gain device and method for processing analog input voltage signal by the device |
| 07/29/2009 | CN100521504C System and method for increasing output horsepower and efficiency in a motor |
| 07/29/2009 | CN100521495C Power management system for a floor care appliance |
| 07/29/2009 | CN100521484C Power-feeding device and induction heating device |
| 07/28/2009 | US7567446 Power conversion apparatus including a rectifier circuit and an inverter circuit |
| 07/23/2009 | WO2009004466A3 Ac voltage regulator for permanent magnet generators |
| 07/23/2009 | US20090185401 DC-AC Converter and Controller IC Thereof |
| 07/23/2009 | US20090184654 Inverter |
| 07/22/2009 | EP1910124B1 Multilevel converter and method of converting a supply voltage |
| 07/22/2009 | CN201278492Y Pulse width regulating type power regulating module |
| 07/22/2009 | CN101490941A Method of controlling a three level converter |
| 07/22/2009 | CN101488720A Large power ship shore electric power |
| 07/21/2009 | US7565459 Combination I/O modules in a modular automation controller |
| 07/21/2009 | US7564706 Power factor corrected single-phase AC-DC power converter using natural modulation |
| 07/21/2009 | US7564703 Method and apparatus for synchronized parallel operation of PWM inverters with limited circulating current |
| 07/21/2009 | US7563975 Music production system |
| 07/16/2009 | WO2009087176A1 Electronic power supply device for arc furnace powered by alternating current |
| 07/15/2009 | CN201274451Y Analogue electric power for four quadrant electric grid |
| 07/15/2009 | CN101483393A Variable electricity supply apparatus for core induction furnace |
| 07/15/2009 | CN101483392A Large capacity cascade multi-phase multi-level power converter without transformer |
| 07/15/2009 | CN100514821C Device for feeding auxiliary operating devices for a fuel electric vehicle |
| 07/15/2009 | CN100514820C AC-DC two-purpose high voltage small current power supply |
| 07/15/2009 | CN100514819C Cutting control AC voltage adjusting circuit and its application |
| 07/14/2009 | US7561451 Power converter apparatus and methods using a phase reference derived from a DC bus voltage |
| 07/09/2009 | US20090175059 Power converter apparatus and power converter apparatus control method |
| 07/08/2009 | CN101478246A Novel voltage mutual inductor |
| 07/08/2009 | CN101478244A Voltage falling generator for wind power electricity generation |
| 07/08/2009 | CN101478243A Switch electric power circuit with wide inputting range |
| 07/08/2009 | CN101478242A Pulse controlling and state monitoring device for H bridge cascade high voltage transformer power unit |
| 07/08/2009 | CN100511952C Non-contact electric power supply equipment |
| 07/08/2009 | CN100511948C Method and system for conveying filter compensation coefficient for digital power control system |
| 07/08/2009 | CN100511947C Contactless on-load automatic regulating distribution transformer |
| 07/02/2009 | WO2009082068A2 Method for controlling motor of air conditioner |
| 07/02/2009 | WO2009082066A2 Motor controller of air conditioner |
| 07/02/2009 | WO2009082065A2 Motor controller of air conditioner |
| 07/02/2009 | US20090168467 Circuit arrangement having a dual coil for producing an alternating voltage or an alternating current |
| 07/02/2009 | US20090167268 Power Supply |
| 07/02/2009 | US20090167199 Front-stage voltage-adjustment inverter |
| 07/01/2009 | CN201266890Y Three-phase eliminator supply for electrostatic precipitator |
| 07/01/2009 | CN101471610A Single-switch AC chopping voltage-regulating device |
| 07/01/2009 | CN100508347C Device for covering the peak load |
| 06/30/2009 | CA2422004C Cutting electric power converter |
| 06/25/2009 | WO2009077011A1 Supply arrangement, supply unit and method for supplying an electronic unit |
| 06/25/2009 | WO2009039305A3 Current waveform construction to generate ac power with low harmonic distortion from localized energy sources |
| 06/25/2009 | DE102007060975A1 Antrieb Drive |
| 06/25/2009 | DE102007060201A1 Versorgungsanordnung, Versorgungseinheit und Verfahren zur Versorgung einer elektronischen Einheit Supply assembly, power supply unit and method for providing an electronic unit |
| 06/25/2009 | DE102007021691A1 Method for controlling alternating voltage comprises using a secondary number of turns of a transformer which is proportional to the rotary angle of a controller and reversibly proportional to the potential difference along a turn |
| 06/24/2009 | EP2073367A1 Alternating voltage generator equipped with a current limiting device |