Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
12/2012
12/27/2012WO2012176178A2 Multi-level inverter
12/27/2012WO2012175112A1 Power semiconductor housing with contact mechanism
12/27/2012WO2012146792A3 Multilevel electronic power converter
12/27/2012WO2012125590A3 Method and apparatus for controlling lcl converters using asymmetric voltage cancellation techniques
12/27/2012WO2012121962A3 A control driven synchronous rectifier scheme for isolated active clamp forward power converters
12/27/2012WO2011134865A3 Sub-module for a modular multi-level converter
12/27/2012US20120327695 Linear Transformer Power Supply
12/27/2012US20120327687 Power adaptor with power-saving mechanism
12/27/2012US20120326776 Battery polarity control system
12/27/2012US20120326674 Switching device for electric vehicle and method of controlling the switching device
12/27/2012US20120326506 Load-segmentation-based 3-level inverter and method of controlling the same
12/27/2012DE19634186B4 Netzgeführte Thyristorbrücke Line-commutated thyristor
12/27/2012DE112008000533B4 Halbleitermodul und Wechselrichtervorrichtung Semiconductor module and inverter device
12/26/2012EP2538543A1 Power conversion apparatus
12/26/2012EP2538542A1 Frequency converter in which main devices are modularly mounted
12/26/2012EP2538538A1 Printed circuit board for a compressor housing
12/26/2012EP2537245A1 Single phase multilevel inverter
12/26/2012EP2537244A1 Method for operating a converter circuit and apparatus for implementing the method
12/26/2012EP2537243A2 Power supply system with reduced power losses, an electronic device and a controller
12/26/2012EP2537239A2 3-stage pulse width modulation inverter with discharge network
12/26/2012CN202634814U High-efficiency and high-power-factor LED drive power supply
12/26/2012CN202634755U Gear-adjustable constant current power supply
12/26/2012CN202634332U Electromagnetic braking rectification controller of motor
12/26/2012CN202634315U Inverter automatic derating control system
12/26/2012CN202634314U Bipolar single-phase photovoltaic inverter
12/26/2012CN202634313U 逆变器 Inverter
12/26/2012CN202634312U Inverter special for lithium battery
12/26/2012CN202634311U Rectifier for electronic labels
12/26/2012CN202634310U High-speed digital input terminal circuit
12/26/2012CN202634309U Embedded servo power supply
12/26/2012CN202634308U Intrinsically safe power supply module for coal mine
12/26/2012CN202634307U Rectifier power supply and device with inductive load
12/26/2012CN202634306U Constant-current step-down power supply
12/26/2012CN202634305U Mine flameproof and safe power supply
12/26/2012CN202634304U Energy-saving protecting device of alternating current contactor
12/26/2012CN202634303U Rectifying bridge parallel direct-current ice melting device capable of automatically equalizing flow
12/26/2012CN202634302U Pos机电源及pos机 Pos machine power and pos machine
12/26/2012CN202634301U Millivolt level program control adjustable voltage output device
12/26/2012CN202634300U Direct-current power supply powered by current transformer
12/26/2012CN202634299U Switching power supply apparatus
12/26/2012CN202634298U Low-harmonic current continuous three-phase rectifying circuit in mutual inductance energy feedback manner
12/26/2012CN202634297U Novel 18V mine explosion suppression and intrinsic safety power supply based on dual-redundancy protection circuit
12/26/2012CN202634296U Power supply cabinet cooling system
12/26/2012CN202634295U 逆变器 Inverter
12/26/2012CN202634281U Voltage conversion apparatus and ionic wind heat dissipation device using the same
12/26/2012CN202634280U Isolation-type half-bridge three-level dual-direction DC/DC converter
12/26/2012CN202633963U Circuit of photovoltaic grid-connected inverter
12/26/2012CN202633876U Equivalent 24-pulse-wave uncontrolled rectifying direct-current ice melting device
12/26/2012CN102844980A Refrigerating apparatus
12/26/2012CN102844977A Power converting apparatus
12/26/2012CN102844976A Power conversion apparatus
12/26/2012CN102844975A 泄漏电流降低装置 Leakage current reduction means
12/26/2012CN102843060A Two-level two-direction current transformer and control method thereof
12/26/2012CN102843059A Dead zone compensating method and device of voltage-type inverter
12/26/2012CN102843058A All-digital three-phase medium frequency inverter based on DSP (Digital Signal Processor)
12/26/2012CN102843057A Output-power-adjustable direct-current inverter
12/26/2012CN102843056A Single-phase five-level inverter
12/26/2012CN102843055A Neutral-point potential balance control device and method for three-level inverter
12/26/2012CN102843054A Single-phase five-level inverter
12/26/2012CN102843053A Three-dimensional spatial vector based switch power amplifier of magnetic bearing system
12/26/2012CN102843052A Rectification module of intelligent high frequency switch power supply
12/26/2012CN102843051A Power adapter
12/26/2012CN102843050A Method and circuit for improving system output characteristics of switch power supply
12/26/2012CN102843049A Rectifier voltage regulator for motorcycles
12/26/2012CN102843048A Power supply for low stand-by power consumption electromagnetic heating device and electromagnetic oven
12/26/2012CN102843047A Transformer with microprocessor to control series-parallel connection conversion of a capacitor
12/26/2012CN102843046A POS (Point-Of-Sale) machine power supply and POS machine
12/26/2012CN102843045A Start and charge device
12/26/2012CN102843025A Control circuit, control method, and power supply system for power factor correction (PFC) circuit
12/26/2012CN102842912A Single carrier control method applicable to cascaded SVG
12/26/2012CN102842572A Small double-row bridge rectifier
12/26/2012CN102064727B Multi-level power circuit control method and device
12/26/2012CN102005948B Method for correcting and rectifying three-phase active power factors
12/26/2012CN101938869B Direct current (DC) control device in alternating current (AC) system
12/26/2012CN101925230B LED (Light Emitting Diode) drive power source with high efficiency, low power consumption and low cost
12/26/2012CN101902135B Three-phase four-wire switching power supply with high zero-line judgment efficiency
12/26/2012CN101867308B Voltage stabilizing and power raiser with low value
12/26/2012CN101837182B Electric damper for intelligent fitness equipment and control method thereof
12/26/2012CN101784149B Feedforward control circuit for stable load
12/26/2012CN101753049B Power supply apparatus and image forming apparatus
12/26/2012CN101689816B Method for pulse width modulation synchronization in a parallel ups system
12/26/2012CN101606311B Power conversion device
12/26/2012CN101483356B Power transmission control device, non-contact power transmission system, power transmitting device, electronic instrument, and waveform monitor circuit
12/26/2012CN101295939B Control apparatus of power conversion system
12/25/2012US8339822 Method and device for operating a transformer
12/25/2012US8339821 Electrical appliance and power supply thereof
12/25/2012US8339820 Thirty-six pulse power transformer and power converter incorporating same
12/25/2012US8339818 Method and device to compensate for an asymmetrical DC bias current in a power transformer connected to a high voltage converter
12/25/2012US8339817 Method of operating a resonant power converter and a controller therefor
12/25/2012US8339810 Wide input voltage power supply
12/25/2012US8338989 Inverter power system
12/21/2012CA2779179A1 Linear transformer power supply
12/20/2012WO2012172825A1 Power module and power conversion circuit
12/20/2012WO2012172684A1 Heat pump device, air conditioner, and refrigerator
12/20/2012WO2012172650A1 Cooling structure for semiconductor element
12/20/2012WO2012171342A1 Ac-dc switch power supply and power triode thereof
12/20/2012WO2012171219A1 Method for identifying alternating current voltage phase, power supply module and power supply system
12/20/2012WO2012134856A3 Common mode hysteresis for pulse-width modulation drives
12/20/2012WO2012060958A3 System and method for bidirectional dc-ac power conversion
12/20/2012WO2011114161A3 Power conditioning units
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