| 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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| 08/01/2013 | WO2013110273A1 Control system for power stacks in a power converter, power converter with such control system and wind turbine with such power converter |
| 08/01/2013 | US20130194838 Three-phase soft-switched pfc rectifiers |
| 08/01/2013 | DE102013001489A1 Umsetzer und elektrischer Generator Converters and electric generator |
| 07/31/2013 | EP2621070A1 Method and arrangement for operating a wind turbine converter |
| 07/31/2013 | CN203104314U Five stem complex six phase half wave controllable rectifier and arc welding machine |
| 07/31/2013 | CN203104304U Novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer |
| 07/31/2013 | CN203104301U Circuit device for current transformer with intermediate circuit |
| 07/31/2013 | CN203104300U Switch power supply with adjustable maximum power |
| 07/31/2013 | CN203104299U Frequency-variable wave-variable functional module |
| 07/31/2013 | CN203104298U All-solid-state converter |
| 07/31/2013 | CN203104297U Transformer secondary circuit structure in ground intelligent control screen transmission power supply |
| 07/31/2013 | CN203104296U Single-phase and three-phase compensation type chopped-control voltage regulation alternating current voltage stabilizer |
| 07/31/2013 | CN103229405A Rectifier circuit |
| 07/31/2013 | CN103229400A Method and device to protect an ESP power supply from transient over-voltages on the power grid |
| 07/31/2013 | CN103227570A Method for treating unit fault of unit-cascaded frequency converter |
| 07/31/2013 | CN103227474A Photovoltaic power generation grid-connected system based on solid-state transformer |
| 07/31/2013 | CN102201746B High pressure isolation distributed driving power supply |
| 07/31/2013 | CN102136809B Urban rail maglev train traction converter output device |
| 07/31/2013 | CN102067406B Regulation method for a high voltage DC transmission plant with DC link and self-commutated inverters |
| 07/31/2013 | CN101841245B Power converter and elevator device using the same |
| 07/31/2013 | CA2804244A1 Converter and electric generator |
| 07/25/2013 | WO2012143449A3 Matrix inverter and method for generating an a.c. voltage in a second a.c. voltage network from an a.c. voltage in a first a.c. voltage network by means of a matrix inverter |
| 07/25/2013 | US20130188404 Indirect Matrix Converter |
| 07/25/2013 | US20130188403 3-phase high power ups |
| 07/25/2013 | US20130188402 Subsea DC Transmission System |
| 07/25/2013 | DE102012200784A1 Spannungsausgleichsvorrichtung sowie eine medizinische Bildgebungsvorrichtung mit einer Spannungsausgleichsvorrichtung Voltage compensation device and a medical imaging device with a voltage-balancing device |
| 07/24/2013 | EP2618478A2 Method for optimising the operation of an electric motor |
| 07/24/2013 | EP2618472A2 Power converter with asymmetric phase shift autotransformer for alternating current (AC) motor |
| 07/24/2013 | CN203086363U Novel isolating-type switch power source converter |
| 07/24/2013 | CN203086349U Frequency converter power saving device |
| 07/24/2013 | CN203086348U AC voltage stabilizing circuit of no-power transformer |
| 07/24/2013 | CN203086347U One-driving-three synchronous voltage-regulating heating device |
| 07/24/2013 | CN203086100U Alternating current power supply automatic tripping protection circuit with isolation function |
| 07/24/2013 | CN103219897A Switching power supply and refrigerator with same |
| 07/24/2013 | CN103219896A Three-phase high-voltage cascade type AC (Alternating Current) -DC (Direct Current) -AC bidirectional converter and control method thereof |
| 07/24/2013 | CN103219895A Voltage equalization device and a medical imaging device having a voltage equalization device |
| 07/24/2013 | CN103213507A Bullet train device in alternating current transmission electric locomotive garage |
| 07/24/2013 | CN102324856B Wave splicing power regulating device based on MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) |
| 07/24/2013 | CN102255518B Frequency conversion method of non-ferrous metal electromagnetic stirrer and frequency conversion device for realizing frequency conversion method |
| 07/24/2013 | CN102223089B Large-scope linearly-adjusted high-precision high voltage circuit |
| 07/24/2013 | CN101888174B Power conversion device |
| 07/23/2013 | US8493753 Photovoltaic powered system |
| 07/23/2013 | US8493717 Electronic device |
| 07/23/2013 | CA2675774C Ac to dc power converter for aerospace applications |
| 07/18/2013 | WO2013104582A2 Method of control implemented for controlling two permanent-magnet synchronous electric motors connected in parallel |
| 07/18/2013 | WO2013104043A1 Electric energy generation system with feedback |
| 07/18/2013 | WO2013064229A3 Device and method for applying a voltage to a plurality of silicon rods in a cvd reactor |
| 07/18/2013 | US20130182468 Wind power converter |
| 07/18/2013 | US20130182466 Excitation control circuit and electrically excited wind power system having the same |
| 07/18/2013 | US20130182465 Wind power converter structure and wind power generation system including the same |
| 07/18/2013 | US20130181532 High-voltage power converter |
| 07/17/2013 | EP2615616A2 Filtering reactor stage and variable-frequency driving system utilizing the same |
| 07/17/2013 | EP2615300A1 Power conversion system and associated method |
| 07/17/2013 | EP2614689A1 Stabilization circuit for electronic transformer driven led devices |
| 07/17/2013 | CN203071825U Serial-connection rectification serial-connection inversion circuit of 12-pulse intermediate-frequency converter |
| 07/17/2013 | CN203071824U Multiple-voltage power supply box |
| 07/17/2013 | CN203071823U A cascaded high-voltage frequency converter formed by power units connected in parallel |
| 07/17/2013 | CN103208929A Electronic power transformer based on multi-media card (MMC) |
| 07/17/2013 | CN103208928A Intelligent voltage regulation and control device of alternating current power supply |
| 07/17/2013 | CN101833053B Line impedance stabilizing device |
| 07/17/2013 | CN101030735B Improved power converter with reduced common mode voltage and corresponding method |
| 07/16/2013 | US8488345 Pulse width modulation control method and system for mitigating reflected wave effects in over-modulation region |
| 07/16/2013 | US8488344 Electrical power conversion apparatus including a control microprocessor for eliminating or curbing a beat phenomenon |
| 07/16/2013 | US8488336 Converter device comprising at least five DC voltage levels and uninterruptible power supply provided with said device |
| 07/11/2013 | WO2012177498A3 Variable frequency drive voltage boost to improve utilization |
| 07/11/2013 | US20130176754 Filtering reactor stage and variable-frequency driving system utilizing the same |
| 07/11/2013 | US20130176753 Three Phase Active Rectifier System |
| 07/11/2013 | DE102012113130A1 Adaptives Leistungsumwandlungssystem Adaptive power conversion system |
| 07/10/2013 | EP2413460B1 Battery heating circuit |
| 07/10/2013 | CN203057066U Feedforward compensation energy-saving control converter |
| 07/10/2013 | CN203056985U Automatically high-low voltage switching and controlling circuit and energy-saving inverter welder |
| 07/10/2013 | CN203056984U Three-level variable frequency speed regulation power supply used for ship |
| 07/10/2013 | CN203056983U Frequency converter used for horizontal spiral discharging and settlement centrifuge |
| 07/10/2013 | CN203056982U Integrated frequency converter used for gang saw machine |
| 07/10/2013 | CN203056981U Access control system power supply |
| 07/10/2013 | CN203056980U High voltage isolation power supply device |
| 07/10/2013 | CN203056979U Device capable of manually adjusting microwave power in microwave control system |
| 07/10/2013 | CN203056978U Escalator experimental frequency-modulated voltage-controlled power source |
| 07/10/2013 | CN203055625U Flyback switching power supply transformer |
| 07/10/2013 | CN103199712A Ultrasonic cleaning power system |
| 07/10/2013 | CN102223079B Method for modulating matrix converter in case of adjustable input power factor |
| 07/10/2013 | CN102142781B Power supply, electric appliance with water purifying function and signal processing method for water treatment |
| 07/09/2013 | US8482942 Method and apparatus for bridgeless power factor correction |
| 07/09/2013 | US8482936 Method of and apparatus for connecting a photovoltaic device to an AC power grid |
| 07/04/2013 | US20130170255 Apparatus for controlling the electric power transmission in a hvdc power transmission system |
| 07/04/2013 | US20130170254 Control circuit and method for converters of wind turbines |
| 07/04/2013 | US20130169289 Method and apparatus for testing in field wind turbines |
| 07/04/2013 | US20130169035 Power semiconductor module, power conversion apparatus, and railroad vehicle |
| 07/04/2013 | DE102012224010A1 Method for protecting switches of matrix converter used in e.g. electric car, involves temporarily closing normally opened switch during transition period between free wheel mode and power output mode |
| 07/03/2013 | EP2611019A2 Control apparatus for regenerative medium voltage inverter |
| 07/03/2013 | EP2609677A1 Control method during zero-crossing operation of bridge arms in ups |
| 07/03/2013 | EP2609676A1 Traction converter |
| 07/03/2013 | CN203039595U Inverter circuit of holding furnace |
| 07/03/2013 | CN203039594U Parallel variable frequency power supply for large power high voltage test |
| 07/03/2013 | CN203039593U Modularized structure of power unit of high-voltage frequency converter |
| 07/03/2013 | CN203039592U High-low voltage end power supply and signal transmission apparatus for overhead line system detection |
| 07/03/2013 | CN203039556U Efficient electric energy isolation transfer circuit |
| 07/03/2013 | CN103187881A Control apparatus for regenerative medium voltage inverter |
| 07/03/2013 | CN103187880A Ultrasonic wave power source for driving magnetostrictive transducer |
| 07/03/2013 | CN103187876A DC/DC circuit for UPS |