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)
03/2013
03/20/2013EP2571155A2 Method and system for controlling hydroelectric turbines
03/20/2013EP2571129A2 Method and system for controlling hydroelectric turbines
03/20/2013CN202818139U Photovoltaic/photo-thermal equipment inverter
03/20/2013CN202818123U Novel inversion type three-phase corona machine power supply
03/20/2013CN202818122U Grid simulator
03/20/2013CN202818121U Frequency converter, and wind and light energy complementation power generation system
03/20/2013CN202818120U Multi-shaft false phase control device
03/20/2013CN202818119U Circuit for identifying and converting AC zero and live wire
03/20/2013CN202818118U Power controller for polycrystalline silicon reduction furnace with thirty-six pairs of bars
03/20/2013CN202818117U Multi-phase and multi-voltage testing power supply device
03/20/2013CN202818116U Dual-channel pulse trigger board
03/20/2013CN202816232U AC electric shock generating device
03/20/2013CN102983776A Ultrasonic motor dual pulse-width modulation (PWM) power drive topological structure
03/20/2013CN102983757A Boost circuit without switching device for electrical equipment
03/20/2013CN102983754A Parallel variable frequency power supply for high power and high voltage test
03/20/2013CN102983753A High-voltage inverter with UPS (uninterrupted power supply)
03/20/2013CN102983731A Switching power supply controlled by single-chip microcomputer
03/20/2013CN102208874B Isolated voltage compensation circuit
03/20/2013CN101699736B Static power supply of retractable cable
03/20/2013CN101320943B 高压电源 High Voltage Power Supply
03/19/2013US8400800 Universal power converter with two input drive operations during each half-cycle
03/19/2013US8400799 Inverter circuit with controller for controlling switching elements based on a magnitude of output power
03/19/2013US8400798 Predictive current control in driving a load in a PWM mode
03/14/2013WO2013035783A1 Power conversion device
03/14/2013WO2013035782A1 Power conversion device
03/14/2013WO2013035781A1 Power conversion device
03/14/2013US20130063988 Power conversion with added pseudo-phase
03/13/2013EP2567433A1 Variable speed drive
03/13/2013CN202798570U High voltage variable frequency control system
03/13/2013CN202798513U Novel inverter
03/13/2013CN202798478U High-voltage frequency-converter power unit based on film capacitor
03/13/2013CN202798477U DC voltage-controllable intelligent power unit of frequency converter
03/13/2013CN202798476U Power module of communication system
03/13/2013CN202798475U Three-phase charged integrated test control system
03/13/2013CN202798474U Three-phase thyristor power controller
03/13/2013CN202798473U Single-phase alternating current chopped mode voltage reduction and adjustment circuit for industry
03/13/2013CN202798472U Bridge self-excited oscillation circuit
03/13/2013CN202780264U Power saving protective device used for electric welding machine
03/13/2013CN102971946A 逆变器 Inverter
03/13/2013CN102969907A Variable-frequency power source device of controllable rectification unit
03/13/2013CN102969906A Independent-feeding cascaded high-voltage frequency converter and feeding method thereof
03/13/2013CN102969905A Power amplifier used for intelligent substation testing system
03/13/2013CN102969904A High-isolation transmission method of power supply and pulse signals
03/13/2013CN102201741B Phase-controlled type AC-AC (alternating current) frequency converter real-time trigger pulse generation system and method thereof
03/13/2013CN101877539B Power converter and input/output frequency conversion method
03/13/2013CN101588673B Method and device for controlling dimming of online integral-type gas discharge lamp
03/12/2013US8397085 Master controller containing a control processor configured to receive power cell control information and a host processor configured to receive command and status information
03/12/2013US8395469 Multi-phase transformer
03/12/2013US8395366 Power factor correction converter including input current detecting circuit
03/08/2013CA2787709A1 Multilevel converter and a control method for operating a multilevel converter
03/07/2013WO2013033089A1 Twin boost converter with integrated charger for ups
03/07/2013WO2011041425A3 Power generation apparatus
03/07/2013DE10215822B4 Umrichtersystem und Verfahren Converter system and method
03/06/2013EP2566030A2 Power conversion system and method
03/06/2013EP2566029A1 Energy supply system and method of electronic high voltage power mutual-inductor
03/06/2013EP2565333A1 Control device for hybrid construction machine
03/06/2013EP2564502A1 Power converter for a power generator
03/06/2013EP2564500A2 Switchless diac equivalent circuit
03/06/2013CN202772800U Alternating-current voltage regulator circuit
03/06/2013CN202772799U Power supply device with magnetic line shielding element
03/06/2013CN202771888U Demagnetization control device of machine tool workpiece
03/06/2013CN102957376A Electric power converter control device and electric power conversion control method
03/06/2013CN102957327A High voltage direct current power supply module controlled by DPS (data processing system)
03/06/2013CN102957326A Modularized structure for three-level inverter for wind power generation
03/06/2013CN102957325A Constant current power source of low-voltage large-current equipment
03/06/2013CN102957306A Gate drive circuit and power converter
03/06/2013CN102956679A Compound semiconductor device and method for manufacturing the same
03/06/2013CN102064710B Thyristor pressure regulator with phase sequence protection
03/06/2013CN101499771B Frequency-changing speed-regulating driver for energy feedback three phase motor with three phase electric power
03/05/2013US8391037 Power supply apparatus with low power in standby mode
03/05/2013US8391033 Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
03/05/2013US8391032 Renewable energy power generation systems
03/05/2013US8391031 Solar photovoltaic power conditioning units
03/05/2013DE202013100639U1 Kondensatoranordnung und Wechselrichter mit einer Kondensatoranordnung Capacitor array and inverter with a capacitor arrangement
03/05/2013CA2608780C Variable-frequency drive with regeneration capability
02/2013
02/28/2013WO2013026220A1 Inverter system control method and device, and inverter system
02/28/2013WO2013026179A1 Systems and methods for suppressing resonances in power converters
02/28/2013WO2012028839A3 Improved apparatus & method in relation to voltage optimization
02/28/2013US20130051092 Apparatus for a microinverter particularly suited for use in solar power installations
02/28/2013CA2787578A1 Power conversion system and method
02/27/2013CN202759388U Driving unit for control system
02/27/2013CN102948061A Injection molding machine and power source regeneration converter
02/27/2013CN102946202A Composite voltage generation device based on alternating current-direct current superposing
02/27/2013CN101897111B Variable control device
02/26/2013US8385091 3-phase high-power UPS
02/21/2013WO2013024034A2 Method and system for controlling hydroelectric turbines
02/21/2013WO2013023981A1 Method and device for operating a converter circuit
02/21/2013CA2843810A1 Method and system for controlling hydroelectric turbines
02/21/2013CA2843807A1 Method and system for controlling hydroelectric turbines
02/21/2013CA2843803A1 Method and system for controlling hydroelectric turbines
02/20/2013CN202750023U Current type single-stage isolation high-frequency switch power supply without alternating current / direct current (AC/DC) rectifier bridge
02/20/2013CN202750018U High voltage metering box for 6-kilovolt or 10-kilovolt convertible power grid
02/20/2013CN202750017U Power supply circuit
02/20/2013CN202750016U Rapid boost power supply apparatus of parallel power sources
02/20/2013CN202749893U Output zone isolation general uninterrupted power source
02/20/2013CN202748453U Test device
02/20/2013CN102938616A High-power electromagnetic surveying transmitter system
02/20/2013CN102938615A Method for controlling five-level frequency converter
02/20/2013CN102035399B Processing methods for separately adjusting voltage and frequency of frequency converter
02/20/2013CN101589538B Common mode and differential mode filter for variable speed drive
1 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ... 131