| 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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| 02/02/2012 | DE102010032696A1 Zwei-Schalter-Umrichter Two-switch inverter |
| 02/02/2012 | CA2806248A1 Power supply for a load control device |
| 02/01/2012 | EP2413485A1 System for supplying an alternating current charge from an AC grid with no transformer between the grid and the supply system, and power transmission chain including such a system |
| 02/01/2012 | EP2413469A1 Battery heating circuit |
| 02/01/2012 | EP2413468A1 Battery heating circuit |
| 02/01/2012 | EP2413467A1 Battery heating circuit |
| 02/01/2012 | EP2413466A1 Battery heating circuit |
| 02/01/2012 | EP2413464A1 Battery heating circuit |
| 02/01/2012 | EP2413463A1 Battery heating circuit |
| 02/01/2012 | EP2413461A1 Battery heating circuit |
| 02/01/2012 | EP2413460A1 Battery heating circuit |
| 02/01/2012 | EP2413459A1 Battery heating circuit |
| 02/01/2012 | EP2413456A1 Battery heating circuit |
| 02/01/2012 | EP2413455A1 Battery heating circuit |
| 02/01/2012 | EP2413454A1 Battery heating circuit |
| 02/01/2012 | EP2411177A1 Power source for an electric arc welder comprising an inverter being controlled with a modified phase shifted gate drive |
| 02/01/2012 | EP2058932B1 Electronic control systems and methods |
| 02/01/2012 | DE202011106228U1 Isolierendes Minimalnetzteil Insulating minimum power supply |
| 02/01/2012 | CN202135073U 基于双Boost电路前级逆变单相高频链隔离型DC-AC变换器 Boost circuit based on dual front stage single-phase high frequency inverter chain isolated DC-AC converter |
| 02/01/2012 | CN202135066U 可调交直流电源间歇循环输出电路 Adjustable output AC-DC power supply circuit intermittent cycle |
| 02/01/2012 | CN202135065U 一种变频装置 One kind of frequency devices |
| 02/01/2012 | CN202135064U 电压转换器 Voltage converter |
| 02/01/2012 | CN202135063U 整流移相变压器 Phase-shifting transformer rectifier |
| 02/01/2012 | CN202135062U 用于变压器绕组温度计的电流匹配器 For current transformer winding thermometer matcher |
| 02/01/2012 | CN202135061U 电流匹配电路 Current matching circuit |
| 02/01/2012 | CN202135060U 用于通风柜的集成式电源装置 Integrated power supply unit for fume hood |
| 02/01/2012 | CN102340249A High power factor soft switching three-phase induction coil synthetic heating power supply |
| 02/01/2012 | CN102340248A Systems and methods for reducing transient voltage spikes in matrix converters |
| 02/01/2012 | CN102340247A Matrix converter |
| 02/01/2012 | CN102340138A Power supply and distribution system for building |
| 02/01/2012 | CN102338816A Resistance-capacitance power supply for tri-manganin electric energy meter |
| 02/01/2012 | CN101421911B 电力转换装置及电力转换装置的控制方法 Apparatus and method of controlling a power conversion apparatus of the power converter |
| 01/31/2012 | US8107267 Systems and methods for common-mode voltage reduction in fully regenerative AC drives |
| 01/26/2012 | WO2012010329A1 Method and apparatus for igniting silicon rods outside a cvd-reactor |
| 01/26/2012 | WO2012010068A1 Topology of power-generation and grid-integration of transformerless hydraulic generator |
| 01/26/2012 | WO2012010067A1 Topological structure for transformerless four-quadrant high voltage frequency converter |
| 01/26/2012 | WO2012010065A1 Topology for single-quadrant transformerless high-voltage frequency converter |
| 01/26/2012 | WO2012010064A1 Mmc-based transformerless four-quadrant high-voltage variable-frequency power supply topology |
| 01/26/2012 | WO2012010063A1 H-bridge based transformerless wind power grid-connected topological structure |
| 01/25/2012 | CN202127382U Integrated isolation transformation voltage regulator |
| 01/25/2012 | CN202127368U Common magnetic multi-directional inverter power supply |
| 01/25/2012 | CN202127366U Traction converter with driving force removal devices |
| 01/25/2012 | CN202127365U Stabilized voltage and stabilized frequency power supply used in frontier defence |
| 01/25/2012 | CN202127355U Direct current terminal parallel circuit of controllable convertor |
| 01/25/2012 | CN202127352U Green power inverter |
| 01/25/2012 | CN102334270A A hybrid distribution transformer with an integrated voltage source converter |
| 01/25/2012 | CN102332840A Current-fed converter |
| 01/25/2012 | CN102332834A High-efficiency low-harmonic AC/DC (alternating current or direct current) converter |
| 01/25/2012 | CN102332830A Double-frequency power supply device for ship shore power system |
| 01/25/2012 | CN102332829A Zero drift digital suppression device for sampling practical value of AC-AC (Alternating-Current-Alternating-Current) frequency converter |
| 01/25/2012 | CN101291114B Power switching device |
| 01/25/2012 | CN101162871B Method for prompting the accommodating range of air conditioner to electric network electric voltage and frequency, and device thereof |
| 01/24/2012 | US8102682 Power supply control circuit for an inductive coil used to heat a tool shrink attachment |
| 01/19/2012 | WO2012007598A1 Single-phase to three-phase voltage converter |
| 01/19/2012 | DE102011077099A1 Systeme und Verfahren für das Reduzieren transienter Spannungsspitzen in Matrix-Wechselrichtern Systems and methods for reducing transient voltage spikes in matrix inverters |
| 01/18/2012 | EP2408099A2 Parallel power inverter motor drive system |
| 01/18/2012 | EP2198507B1 Variable control device |
| 01/18/2012 | EP1756937B1 Ground power unit |
| 01/18/2012 | CN202121510U Broadband up-flow detection power supply of current transformer |
| 01/18/2012 | CN202121509U High voltage isolation distributed drive power source |
| 01/18/2012 | CN202121352U Micro power consumption uninterrupted power source |
| 01/18/2012 | CN202121321U Direct current high voltage circuit of electric automobile air conditioner |
| 01/18/2012 | CN202121085U Main circuit terminal structure of sheet metal machine and transducer |
| 01/18/2012 | CN102325400A Light modulating system and damping circuit thereof |
| 01/18/2012 | CN102324857A Phase control apparatus |
| 01/18/2012 | CN102324856A Wave splicing power regulating device based on MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) |
| 01/18/2012 | CN102324855A Special AC (alternate current) adjustable power supply for carrying out power measurement and control method thereof |
| 01/18/2012 | CN102324854A Voltage regulation circuit |
| 01/18/2012 | CN102322242A Adjustable frequency-variable resonant electromagnetic wax-proofing device |
| 01/18/2012 | CN101677218B Combined type triple level AC-AC converter |
| 01/18/2012 | CN101479910B Hvdc system and method to control a voltage source converter in a hvdc system |
| 01/18/2012 | CN101385225B Power converter provided with bus bar |
| 01/12/2012 | WO2012004146A1 Rectifier system and method for operating a rectifier system |
| 01/12/2012 | US20120008348 Communication within a power inverter using transformer voltage frequency |
| 01/11/2012 | EP2404374A2 Electrodynamic braking device for a universal motor |
| 01/11/2012 | CN202111630U Double closed loop direct current high voltage generator |
| 01/11/2012 | CN202111629U Universal intelligent power module |
| 01/11/2012 | CN202111628U Double-frequency power supply device for ship shore power system |
| 01/11/2012 | CN202111627U AC variable frequency driver |
| 01/11/2012 | CN102315784A Power supply device of graphitization furnace |
| 01/11/2012 | CN102315783A Push-pull type AC/DC (Alternating Current/Direct Current) converter |
| 01/11/2012 | CN102315780A Power source device |
| 01/11/2012 | CN102315779A Serial power quality compensator based on alternating current (AC)/AC chopper |
| 01/11/2012 | CN101860230B Novel AC-DC-AC converter and control method thereof |
| 01/11/2012 | CN101817316B Same-phase traction power supply system of electrified railway |
| 01/11/2012 | CN101795082B Megawatt direct-drive wind power grid-connection soft-switching converter |
| 01/11/2012 | CN101309045B Equalizer circuit of electric power indication, auxiliary power start and electrolytic capacitor |
| 01/11/2012 | CN101080127B Lighting control switch |
| 01/10/2012 | US8094474 Drive controller for power conversion circuit |
| 01/10/2012 | US8094471 Power supply using double latch circuit for automatic input voltage range programming |
| 01/04/2012 | EP2401805A2 A hybrid distribution transformer with an integrated voltage source converter |
| 01/04/2012 | CN202103583U Mining explosion-proof and intrinsically safe AC frequency converter |
| 01/04/2012 | CN202103582U Parallel variable-frequency boosting power supply device without partial discharge |
| 01/04/2012 | CN202102835U Phase-shifting transformer and high-voltage frequency converter comprising same |
| 01/04/2012 | CN102308465A Power supply system |
| 01/04/2012 | CN102308461A A hybrid distribution transformer with AC & DC power capabilities |
| 01/04/2012 | CN101860318B Alternating current governing system for twin-stage matrix converter having anti-losing capability |
| 01/04/2012 | CN101599703B Method for converting three-phase power supply into single-phase voltage output and AC power supply |
| 01/04/2012 | CN101156306B Energy saving electrical power control device and method |
| 01/03/2012 | US8089790 Power supply input device |