| 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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| 09/30/2008 | US7430101 Overvoltage protection of a frequency converter |
| 09/25/2008 | WO2008116042A2 Power supply |
| 09/25/2008 | WO2008113140A1 A control system for a compressor actuated by an electric motor |
| 09/25/2008 | US20080232143 Method of designing a static synchronous compensator based on passivity-based control |
| 09/25/2008 | US20080231252 Sag-Swell and Outage Generator for Performance Test of Custom Power Devices |
| 09/25/2008 | US20080231211 Power supply |
| 09/25/2008 | US20080231127 Electrical machine with electronic power unit for conversion |
| 09/24/2008 | EP1973223A2 Inverter device and motor drive with inrush limiting circuit |
| 09/24/2008 | EP1973222A1 Electrical machine with a matrix converter |
| 09/24/2008 | EP1972050A2 Electronic control transformer using dc link voltage |
| 09/24/2008 | CN201123168Y Cured high-frequency high voltage power supply |
| 09/24/2008 | CN201122907Y Electronic internal-feedback frequency conversion power source |
| 09/24/2008 | CN201122476Y Liquid flow regulator |
| 09/24/2008 | CN101272100A Commutation inversion module |
| 09/24/2008 | CN101272099A Electrical machine with electronic power unit for conversion |
| 09/24/2008 | CN101272041A Wire-protecting and de-icing method of unit type high tension power line |
| 09/24/2008 | CN100421345C DC-to-AC converter |
| 09/23/2008 | US7428159 Digital PWM controller |
| 09/23/2008 | US7428158 System and method for reducing harmonic effects on a power delivery system |
| 09/23/2008 | US7428157 Apparatus and method for virtually shielding a synchronous switching regulator |
| 09/17/2008 | EP1971020A2 Semiconductor device for driving motor, three-phase motor and motor driving apparatus with the semiconductor device and fan motor |
| 09/17/2008 | EP1969694A1 Backup power system |
| 09/17/2008 | EP1969691A1 Load detector for a dimmer |
| 09/17/2008 | CN201118454Y A low-frequency power for fire control patrol inspection device |
| 09/17/2008 | CN201118453Y AC high-voltage high-power adjustable voltage stabilizing and frequency stabilizing power device |
| 09/17/2008 | CN201118448Y Self-coupling transformer voltage increase/decrease circuit |
| 09/17/2008 | CN201118440Y A power on circuit and electronic device |
| 09/17/2008 | CN201118436Y Home economizer |
| 09/17/2008 | CN201118234Y Integrated power saving protector constituted by three types of electricity economizer |
| 09/17/2008 | CN201118233Y Integrated power saving protector constituted by three types of electricity economizer |
| 09/17/2008 | CN201118232Y Integrated power saving protector constituted by three types of electricity economizer |
| 09/17/2008 | CN201118231Y Integrated power saving protector constituted by three types of electricity economizer |
| 09/17/2008 | CN201118230Y Integrated power saving protector constituted by three types of electricity economizer |
| 09/17/2008 | CN201118229Y Integrated power saving protector constituted by three types of electricity economizer |
| 09/17/2008 | CN101267186A Systems and methods for improved motor drive power factor control |
| 09/17/2008 | CN101267179A High-speed brushless DC electromotor start/power generation system based on dual-level matrix frequency converter |
| 09/17/2008 | CN101267163A High-voltage frequency converter without network reactor and with energy feedback function |
| 09/17/2008 | CN101267162A A non electromagnetic continuous adjusting intelligent energy-saving device |
| 09/17/2008 | CN101267154A Method for restraining too high current pulse in high-voltage frequency converter network |
| 09/17/2008 | CN101267040A Grid-connected fuel cell system and load using the same |
| 09/17/2008 | CN100420139C Electroplate supply unit |
| 09/17/2008 | CN100420138C Power shifter for railway vehicle |
| 09/17/2008 | CN100419610C Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer |
| 09/16/2008 | US7426124 DC-AC converter |
| 09/16/2008 | US7425806 System and method for controlling a variable speed drive |
| 09/12/2008 | WO2008108147A1 Power conversion device |
| 09/12/2008 | WO2008092154A3 System and method to extend synchronous operation of an active converter in a variable speed drive |
| 09/12/2008 | WO2008077525A3 Transformer circuit for the frequency conversion of electric performance variables, method for actuating a transformer circuit and power generator |
| 09/11/2008 | US20080219034 Circuit, Shrink Fixing and Regulation Method |
| 09/11/2008 | DE102006042384B4 Umrichter und Verfahren zur Steuerung eines Umrichters Inverter and method for controlling a converter |
| 09/10/2008 | EP1968177A1 Power conversion device and power conversion system |
| 09/10/2008 | EP1966877A1 A power supply with reduced power losses during standby mode |
| 09/10/2008 | EP1499935A4 Dimmer circuit with improved ripple control |
| 09/10/2008 | CN201114946Y Dual vertical tube electronic ballast |
| 09/10/2008 | CN201114884Y Controllable silicon light adjuster for relay parallel control |
| 09/10/2008 | CN201113883Y Portable type generator set inversion type control device |
| 09/10/2008 | CN201113818Y Line structure capable of driving plural synchronous commutation |
| 09/10/2008 | CN201113807Y Large power alternating-current frequency conversion device dedicated for down-hole coal mine |
| 09/10/2008 | CN201113806Y Large power high voltage power unit low-voltage control power |
| 09/10/2008 | CN201113805Y Large power inverter circuit for electromagnetic heating stove |
| 09/10/2008 | CN201113804Y Large power high -voltage switch energy supply |
| 09/10/2008 | CN201113803Y Output voltage automatic compensation high voltage large power frequency converter in unit series |
| 09/10/2008 | CN201113802Y Distributing transformer electronic type on-load automatic wide region voltage regulating device |
| 09/10/2008 | CN201113801Y Single-phase power-saving device |
| 09/10/2008 | CN201113800Y Low cost integrated switch converter |
| 09/10/2008 | CN201113792Y Frequency converter switch power source independent power supply module |
| 09/10/2008 | CN201113779Y Vehicle mounted united intelligent environment-friendly power supply equipment capable of supplying power to different power utilization equipment |
| 09/10/2008 | CN201113774Y Frequency converter electrical current sampling circuit module |
| 09/10/2008 | CN201113768Y Modularized frequency converter structure |
| 09/10/2008 | CN201113438Y Integrated power save protector constituted by four types of electricity economizer |
| 09/10/2008 | CN201113437Y Integrated power save protector constituted by four types of electricity economizer |
| 09/10/2008 | CN201113436Y Integrated power save protector constituted by four types of electricity economizer |
| 09/10/2008 | CN201113435Y Integrated power save protector constituted by four types of electricity economizer |
| 09/10/2008 | CN201113434Y Integrated power save protector constituted by three types of electricity economizer |
| 09/10/2008 | CN201113433Y Integrated power save protector constituted by three types of electricity economizer |
| 09/10/2008 | CN201113432Y Integrated power save protector constituted by three types of electricity economizer |
| 09/10/2008 | CN201113431Y Integrated power save protector constituted by three types of electricity economizer |
| 09/10/2008 | CN201113361Y Multifunctional cable coil |
| 09/10/2008 | CN101263646A System and method of reducing harmonic effects on a power delivery system |
| 09/09/2008 | US7423891 Inverter device utilizing three switches controlled in a concurrent manner in a resonant transformer |
| 09/09/2008 | CA2622903A1 Clean input ups with fast rectifier control and improved battery life |
| 09/04/2008 | WO2008104017A1 Integrated wind turbine controller and inverter |
| 09/04/2008 | US20080211449 Multiphase Current Supplying Circuit, Driving Apparatus, Compressor And Air Conditioner |
| 09/04/2008 | DE112006002290T5 Lastdetektor für eine AC-AC-Spannungsquelle Load detector for an AC-AC-voltage source |
| 09/04/2008 | DE102006061261A1 Circuit arrangement for variable control of alternating current user in operating mode phase section, has alternating current main power supply, and control logic generates ignition impulse for alternating current switch |
| 09/03/2008 | EP1965487A1 Uninterruptible power supply, connected to a grid |
| 09/03/2008 | EP1964256A2 Method for controlling a polyphase voltage inverter |
| 09/03/2008 | EP1540806A4 Global closed loop control system with dv/dt control and emi/switching loss reduction |
| 09/03/2008 | EP1500310A4 Dimmer circuit with improved inductive load imbalance protection |
| 09/03/2008 | CN101258671A Equipment used for transferring electric energy |
| 09/03/2008 | CN101258670A Equipment used for transferring electric energy |
| 09/03/2008 | CN101258669A Commutation technique for an ac-to-ac converter |
| 09/03/2008 | CN101257280A Stepless speed regulating electric fan |
| 09/03/2008 | CN101257258A Switch power circuit |
| 09/03/2008 | CN101257248A Small power single-phase / three phase low distortion frequency conversion power source |
| 09/03/2008 | CN100417000C Intelligent electronic transformer |
| 09/03/2008 | CN100416999C Detection device |
| 09/02/2008 | US7421301 Speed-variable maximum delay clamping when using variable-delay random PWM switching |
| 09/02/2008 | US7420116 Music data modifier for music data expressing delicate nuance, musical instrument equipped with the music data modifier and music system |
| 08/28/2008 | WO2008103524A2 Linear variable differential transformer with complimentary step-winding secondary coils |