Patents for H02M 1 - Details of apparatus for conversion (33,954)
05/2007
05/03/2007DE10301501B4 Schaltungsanordnung und Verfahren zur Erzeugung eines Pulsweiten-modulierten Signals Circuit arrangement and method for generating a pulse-width-modulated signal
05/03/2007DE10250154B4 Schaltereinheit für ein Schaltnetzteil Switch unit for a switching power supply
05/03/2007DE102006034777A1 Kombination aus einem Wechselrichtergehäuses und einem als Wärme-Senke fungierenden Bauteil Combination of an inverter and a housing acts as a heat sink member
05/03/2007DE102005040005A1 Switching power supply for connecting e.g. sensor, to energy supply, has capacitors that serve as short-time energy-storage and energy storage for by-pass of short-time failure of energy supply and lie in transverse branches, respectively
05/03/2007CA2567182A1 A circuit for monitoring harmonic distortion in the power supply of a synchronous electrical machine with permanent magnet excitation
05/02/2007EP1780879A2 AC high-voltage device, image forming apparatus, and AC high-voltage output controlling method
05/02/2007EP1356575B1 Isolated drive circuitry used in switch-mode power converters
05/02/2007CN2896682Y Improved structure of power-supply apparatus
05/02/2007CN2896677Y Power-supply apparatus
05/02/2007CN2896676Y Control circuit with frequency hopping operation to reduce magnetic interference of power-supply apparatus
05/02/2007CN2896675Y Switch power-supply leakage indication device
05/02/2007CN2896645Y Switch-type power-supply apparatus
05/02/2007CN2896642Y Electric-power wire filter
05/02/2007CN1957521A Inverter bridge controller implementing short-circuit protection scheme
05/02/2007CN1957520A Power conversion apparatus and methods using an adaptive waveform reference
05/02/2007CN1956311A 电源处理电路 Power processing circuitry
05/02/2007CN1956310A Wave method of silicon controlled crystal brake pipe rectifier and its device
05/02/2007CN1956303A Self powered gate driver system
05/02/2007CN1314201C Drive circuit of power semiconductor element
05/01/2007US7212420 Universal serial bus voltage transformer
05/01/2007US7212407 Electrical power converter method and system employing multiple output converters
05/01/2007US7212058 Method and apparatus for robust mode selection with low power consumption
05/01/2007CA2400572C Dual-input, automatic-switching power supply
04/2007
04/28/2007CA2566175A1 Energy saving device for public lighting system and method thereof
04/26/2007US20070091654 Method for correcting a harmonic distortion of a power bridge, in particular for a class D amplifier
04/26/2007US20070091653 Method and apparatus for adjustable voltage/adjustable frequency inverter control
04/26/2007US20070091647 Switching power supply unit
04/26/2007DE202007001929U1 Reaktanz-Zweipolschaltung für Nichtlineare Verbraucher Reactance two-pole circuit for Nonlinear consumer
04/26/2007DE202007001134U1 Netzteil mit externem Steuermodul Power supply with external control module
04/26/2007DE202006019267U1 Kabelanordnung eines Netzgeräts Cable arrangement of a network device
04/26/2007DE10392694B4 Active electromagnetic induction filter for pulse width modulator inverter, has capacitor coupling transistor stages to ground return line to provide current to ground line to cancel common mode noise in line of rectifier circuit
04/26/2007DE102005050842A1 A method for eliminating the vibration of a three phase electric motor has a rectifier and frequency generator with control units to ground the common point of the motor windings
04/26/2007DE102005050337A1 Gleichstromsteller und Verfahren zum Betreiben eines Gleichstromstellers DC-DC converter and method of operating a DC chopper
04/26/2007DE102005049978A1 Circuit arrangement for buck-converter, has half-bridges accommodated in semiconductor housing
04/25/2007EP1777802A2 Chopper with active attenuation of harmonics and method for operating the chopper
04/25/2007EP1776752A2 Low switching frequency power factor correction circuit
04/25/2007EP1776749A2 Half bridge adaptive dead time circuit and method
04/25/2007EP1466402B1 Cooled electrical terminal assembly and device incorporating same
04/25/2007CN2894074Y Five level converter structural apparatus
04/25/2007CN2894067Y 电压频率转换器 Voltage frequency converter
04/25/2007CN2894066Y 电压频率转换器 Voltage frequency converter
04/25/2007CN2894060Y Single-stage power factor correction circuit
04/25/2007CN2894059Y Constant-temperature antiexplosive frequency changer
04/25/2007CN1954482A AC power supply unit for regenerating magnetic energy
04/25/2007CN1954470A Inverter bridge short-circuit protection scheme
04/25/2007CN1953318A Power converter methods and apparatus for variable speed high power machines
04/25/2007CN1953307A Device for the power factor correction in forced switching power supply units
04/25/2007CN1953280A Power supply installation
04/25/2007CN1952631A Junction temperature prediction method and apparatus for use in a power conversion module
04/24/2007US7208851 Circuit arrangement for the reliable switching of electrical circuits
04/19/2007WO2005079513A3 Half bridge adaptive dead time circuit and method
04/19/2007DE102005050028A1 Elektrische Vorrichtung, insbesondere zur Ansteuerung einer motorisch und/oder generatorisch betreibbaren elektrischen Maschine Electrical device, in particular for driving a motor and / or generator operable electric machine
04/19/2007DE102005045551A1 Power converter controlling method, has switching power semiconductor in clocked manner, and controlling switching speed of converter depending on duration of current-carrying conduction phases of semiconductor and/or free-wheeling diode
04/18/2007EP1774652A2 Emc filter
04/18/2007EP1774641A1 Monolithic miniature voltage converter with very low input voltage
04/18/2007EP1774421A2 High frequency partial boost power factor correction control circuit and method
04/18/2007EP1604264A4 Voltage set point control scheme
04/18/2007EP1481466A4 Ac-dc converter with low ripple output
04/18/2007CN2891469Y Total numerically controlled integrated power saving device
04/18/2007CN2891466Y Wind cooled high frequency switch power supply structure
04/18/2007CN2891465Y 逆变器 Inverter
04/18/2007CN2891464Y Fully sealed high voltage converter with heat exchanger
04/18/2007CN1950994A PWM driver circuit
04/18/2007CN1949646A Direct power control system of PWM rectifier based on synthetic voltage space vector
04/18/2007CN1949644A AC-DC-AC power unit and assembly thereof
04/18/2007CN1949641A Inverter apparatus
04/18/2007CN1949617A Termination power filtering circuit, printed circuitboard and termination power filtering method
04/18/2007CN1311605C Wire or wireless system for power tool and method for power supply
04/17/2007US7206210 Power supply control loop with multiple leveling modes
04/17/2007US7206209 Switching power supply apparatus with error amplification control
04/17/2007US7205821 Driver for switching circuit and drive method
04/17/2007US7205727 Power supply circuit and power supply control method therein
04/12/2007WO2007039487A1 Electronic intermediate dc circuit
04/12/2007US20070081369 Pwm cycloconverter
04/12/2007US20070081368 Current Source Wave Voltage Inverter Voltage-Clamping and Soft-Switching Techniques, and Fuel Cell System using the same
04/12/2007US20070080738 Gate driving circuit
04/12/2007DE19781010B4 Stromversorgungsvorrichtung A power supply apparatus
04/12/2007DE102006003157B3 Circuit arrangement for switching electrical load, such as lighting, heater or motor on and off, uses electronic switch with parallel- or series-connected transistors
04/12/2007DE102005045552A1 Circuit arrangement for suppressing voltage/current peaks in inverter, has direct current voltage source with increased intermediate circuit potential, where source is activated between diode and intermediate circuit potential terminal
04/12/2007DE10042587B4 Filteranordnung und Verfahren zur Filterung eines Analogsignals Filter assembly and method for filtering an analog signal
04/11/2007EP1771937A1 Automatic frequency control for series resonant switched mode power supply
04/11/2007CN1945947A Rectifier layout ctructure of locomotive large element heat tube radiation
04/11/2007CN1310413C Power inverter
04/11/2007CN1310412C Method and circuit for driving high-side and low-side switching devices
04/10/2007US7203855 Power-saving control circuitry of electronic device and operating method thereof
04/10/2007US7203079 Switching controller having frequency hopping for power supplies
04/10/2007US7202652 Motor driving apparatus incorporating switch device driving apparatus
04/10/2007US7202650 Controller for DC to DC converter
04/10/2007US7202640 Power factor improving circuit
04/10/2007US7202622 Method for controlling an electric motor to reduce EMI
04/10/2007CA2415235C A power system for producing a regulated dc output voltage
04/07/2007WO2007100327A1 Method for regulating a voltage and circuit therefor
04/05/2007WO2007037997A1 Digital power factor correction controller and ac-to-dc power supply including same
04/05/2007WO2007037609A1 Centrally controlled automatic power saving apparatus
04/05/2007WO2007036086A1 A passive power factor correction circuit
04/05/2007US20070076451 Active power conditioner for AC load characteristics
04/05/2007US20070076450 Unregulated isolated DC/DC converter with ripple control
04/05/2007DE102005047055A1 Control switch for driving a semiconductor element used as a high-side switch comprises a transformer, a first driver switch, a second driver switch and a rectifier element arranged between supply inputs
04/05/2007DE102005045072A1 Frequency converter arrangement for use in e.g. machine tool, has single-piece wire-typed printed circuit board, on which frequency converter units are parallely connected, where converter units are arranged in matrix form on board
04/04/2007EP1770851A2 Junction temperature prediction method and apparatus for use in a power conversion module