Patents for H02M 1 - Details of apparatus for conversion (33,954)
10/2008
10/17/2008CA2629235A1 Dc-dc converter with improved dynamic response
10/16/2008US20080253153 Active Power Conditioner
10/16/2008DE202008006853U1 Elektronisch kommutierter Gleichstrommotor mit einem pi-Filter Electronically commutated direct current motor having a pi-filter
10/15/2008EP1981160A1 Method and system for managing the temperature in a speed controller
10/15/2008EP1981157A1 Power dissipation limiter for a DC/DC converter with a pulse width modulator
10/15/2008EP1979798A2 Circuit and method for changing transient response characteristics of a dc/dc converter module
10/15/2008CN201134784Y Frequency-changing speed-regulating apparatus of rotor based on active filtering technique
10/15/2008CN201134783Y Mining flame-proof type intermediate voltage frequency-changing speed-regulating apparatus
10/15/2008CN201134755Y Variable-frequency power supply circuit protecting device
10/15/2008CN201134754Y Three-phase bridge type voltage inverter for active filtering of smelting transformer
10/15/2008CN201134753Y Three-phase three-line active filtering device for electrolytic apparatus
10/15/2008CN201134752Y Three-phase three-line active filtering device for smelting transformer
10/15/2008CN201134751Y Single-phase four-line active filtering device for electrolytic apparatus
10/15/2008CN201134750Y Single-stage LLC series resonance AC/DC converter
10/15/2008CN201134749Y Energy saving apparatus of switch power supply
10/15/2008CN201134748Y Heat radiating device
10/15/2008CN201134747Y Module component
10/15/2008CN201131423Y DC brushless motor hair drier
10/15/2008CN101286709A Modulation method, software and circuit for output waveform of transformer
10/15/2008CN101286707A LED energy saving lamp of power factor compensation type driven by constant-current
10/15/2008CN101286701A Switching power supply
10/15/2008CN101286692A Control circuit of P type power transistor
10/15/2008CN101286690A Phase control method and phase control device
10/15/2008CN101286552A DC adapter
10/15/2008CN101286414A Electromagnetic induction feedback filtering magnetic field structure
10/15/2008CN100426645C Switch power supply circuit
10/15/2008CN100426644C Power converter
10/15/2008CN100426639C High-tension integral gate change transistor three-level frequency-converter power cabinet
10/15/2008CN100426171C One cycle control continuous conduction mode PFC boost converter integrated circuit with integrated power switch and boost converter
10/14/2008US7436687 Intelligent direct current power supplies
10/14/2008US7436685 Piecewise on-time modulation apparatus and method for a power factor corrector
10/14/2008US7436160 Half bridge adaptive dead time circuit and method
10/14/2008US7436070 Semiconductor device
10/09/2008WO2008120408A1 One model electric compressor
10/09/2008WO2008120012A2 Forward power converter controllers
10/09/2008WO2008119293A1 Circuit protection and control system, and protection and control method applying the system
10/09/2008WO2008092055A3 Ripple correlation control based on limited sampling
10/09/2008WO2007122530A8 Power inverter control device for switching point determination
10/09/2008US20080247205 Controlling apparatus of an AC LED string
10/09/2008US20080247202 Method and apparatus for sensing multiple voltage values from a single terminal of a power converter controller
10/09/2008US20080247197 One-way dipolar component with a protection against overcurrent
10/09/2008US20080246452 Device and Method For Charging an Electrical Energy Storage Device
10/09/2008DE102006062711B4 Verfahren zur Überwachung und zum Schutz von einzelnen Solar-Panels vor Überhitzung Procedures for monitoring and protection of individual solar panels from overheating
10/08/2008EP1978626A2 Method and apparatus for sensing input and output voltages from a single terminal of a d.c. converter controller
10/08/2008EP1978625A2 Controlling a d.c. converter by accounting for fault conditions
10/08/2008EP1649598B1 Isolated control apparatus incorporating light controlled power semiconductors
10/08/2008EP1636895A4 Active emi filter having no inductive current sensing device
10/08/2008CN201130907Y Power supply booster start circuit
10/08/2008CN201130904Y High-capacity power supplier having double-power socket
10/08/2008CN201130903Y Novel switch power supply
10/08/2008CN201130873Y Photoelectricity energy-feeding apparatus for high voltage DC transmission thyristor control unit
10/08/2008CN101283504A Electronic intermediate DC circuit
10/08/2008CN101282092A Diode absorption circuit for bridge rectifier circuit
10/08/2008CN101282084A Power supply circuit and LCD device using the same
10/08/2008CN101282081A Oscillator circuit
10/08/2008CN101282080A Power supply converter
10/08/2008CN101282079A System and method for power controller
10/08/2008CN101282078A Method and apparatus for power converter fault condition detection
10/08/2008CN101282077A Power supply converter capable of protecting input low-voltage
10/08/2008CN101282076A Multi-module current sharing scheme
10/08/2008CN101282075A Apparatus and method for cooling phase transition of electric and electronic equipment
10/08/2008CN100424994C Attenuation control for digital power converters
10/08/2008CN100424973C Integrated converting means with three-phase activity coefficient adjustment
10/07/2008USRE40528 Voltage fluctuation compensating apparatus
10/07/2008US7433404 Apparatus for higher resolution pulse width modulation duty cycle
10/07/2008US7433213 Thyristor power converter filter for excitation applications
10/07/2008US7432616 Inverter device
10/07/2008CA2498630C Soft-switching half-bridge inverter power supply system
10/07/2008CA2218738C Method for processing pwm waves and devices therefor
10/05/2008CA2618239A1 Power supply for halogen lamp
10/02/2008WO2008116674A2 Circuit arrangement for identifying network zero crossings
10/02/2008WO2008116467A2 Method for driving a pulse width modulated controller
10/02/2008WO2008116433A1 Method and device for suppressing a bearing current in an electrical machine
10/02/2008WO2008042915A3 Power controller having a single digital control pin and method utilizing same
10/02/2008US20080239771 Asymmetrical Interleaving Strategy for Multi-Channel Power Converters
10/02/2008US20080239770 Active Network Filter
10/02/2008US20080239765 System and Method for a Bridgeless Power Supply
10/02/2008DE102007014387A1 Cooling arrangement for converter circuit of power electronic system, has condenser provided for liquefaction of dielectric cooling agent and circulating dielectric agent to area to circularly cool components of converter circuit
10/02/2008DE102007013562A1 Schaltnetzteil und System mit einem Schaltnetzteil Switching power supply and system with a switching power supply
10/02/2008DE102007013308A1 Vorrichtung zur alternativen Energieversorgung elektrischer Kleingeräte Apparatus for alternative energy supply electrical appliances
10/01/2008EP1974444A2 Method and apparatus for controlling voltage linearity of voltage source inverters
10/01/2008EP1974433A1 A converter
10/01/2008EP1444770B1 Electric motor drive
10/01/2008CN201127008Y Vehicle mounted portable power supply inverter
10/01/2008CN201127002Y Industrial control machine switch power source device supplied power by DC above 220V
10/01/2008CN201126768Y Mining flame-proof type intermediate voltage frequency-changing speed-regulating door electric interlocking mechanism
10/01/2008CN101277063A System for transforming AC voltage into DC voltage
10/01/2008CN101277059A Electric power transformation device
10/01/2008CN101277058A Secondary time-delay soft start circuit of DC/DC convertor
10/01/2008CN101277057A Overload protection delay circuit for switching power supply
10/01/2008CN101277056A Wave filter circuit
10/01/2008CN101277055A Switch gear cell and converter circuit for switching a multiplicity of voltage levels with a switchgear cell such as this
10/01/2008CN101276128A Tridimensional mapping camera power supply
10/01/2008CN101275068A Cooling electronic components
10/01/2008CN100423426C Variable frequency electric signal generator, servo system and low cost computing means
10/01/2008CN100423423C Power supply device and its operating method
10/01/2008CN100423418C Current-compensated choke and circuit arrangement comprising the current-compensated choke
10/01/2008CN100423417C Power factor calibrating circuit having variable switching frequency
10/01/2008CN100422879C Electronic clock, electronic apparatus and starting method
09/2008
09/30/2008US7430131 Start-up circuit for providing a start-up voltage to an application circuit