Patents for H02M 1 - Details of apparatus for conversion (33,954)
03/2005
03/02/2005EP1511149A2 A power system to transfer power between a plurality of power sources
03/02/2005EP1511148A2 Surge voltage suppressor
03/02/2005EP1509991A1 Electrical power supply circuit and corresponding method
03/02/2005EP1509990A1 Configuration and method for protecting converter means
03/02/2005CN2682735Y Apparatus for preventing noise signal generation as a result of nonuniform power distribution
03/02/2005CN2682729Y A power circuit
03/02/2005CN1589519A Frequency converter for different mains voltages
03/02/2005CN1588770A Delay ring A/D converter suitable for high frequency digital DC/DC converter
03/01/2005US6862201 Method and circuitry for active inrush current limiter and power factor control
03/01/2005US6862200 Methods and apparatus for providing power signals to operating circuitry mounted on circuit boards
03/01/2005US6861897 Active filter for multi-phase AC power system
02/2005
02/24/2005WO2005018077A1 Apparatus for noise current reduction in power converters
02/24/2005WO2005018076A1 Bridge power converter overload protection
02/24/2005WO2005017852A2 Isolated control apparatus incorporating light controlled power semiconductors
02/24/2005US20050041446 Power supply control loop with multiple leveling modes
02/24/2005US20050041444 Semiconductor device
02/24/2005US20050041442 Method and apparatus for providing input EMI filtering in power supplies
02/24/2005US20050041440 Switching power supply circuit capable of reducing switching loss and control method used therein
02/24/2005US20050041348 Semiconductor switching device
02/24/2005US20050040880 Control of current in an inductance with pulse width modulation at control frequency
02/24/2005US20050040797 System for controlling the energy flow in an energy conversion system
02/24/2005US20050040792 Method & apparatus for charging, discharging and protection of electronic battery cells
02/24/2005US20050040791 Battery-charger device with improved stability
02/24/2005US20050040711 Bi-directional multi-port inverter with high frequency link transformer
02/24/2005DE10334066A1 Schaltungsanordnung zur Spannungsregelung und Verfahren zum Betreiben einer Schaltunsanordnung zur Spannugsregelung Circuit arrangement for voltage regulation and method for operating a Schaltunsanordnung to Spannugsregelung
02/24/2005DE10333798A1 Verfahren zum Kurzschliessen eines fehlerhaften Teilumrichters Method for short-circuiting a faulty converter element
02/24/2005DE10331100A1 Method for ascertaining faulty commutating between converter thyristors, involves comparing status signal of current output converter thyristor with command signal
02/23/2005EP1508957A1 System for controlling the energy flow in an energy conversion system
02/23/2005CN2681443Y Thyristor disturbance-free switching circuit with double control system for power supply
02/23/2005CN1586033A Electric motor drive
02/23/2005CN1585251A Encoding circuit for triggering signals of PWM three level inverter and control of compensation of its dead zone
02/23/2005CN1585245A Three-phase power factor compensating converter with flexibly switching
02/23/2005CN1585244A Radiating mechanism for semi-control rectifying bridge of permanent magnetic generator set
02/22/2005US6859373 Switching-mode power converter with complementary synchronous rectification
02/22/2005US6859087 Half-bridge high voltage gate driver providing protection of a transistor
02/17/2005WO2005015721A1 Programmable power converter
02/17/2005WO2005015720A1 Switched-mode power supply
02/17/2005WO2005015718A2 A circuit for maintaining hold-up time while reducing bulk capacitor size and improving efficiency in a power supply
02/17/2005WO2005015716A2 Soft switched zero voltage transition full bridge converter
02/17/2005US20050036343 Method and apparatus for dissipative clamping of an electrical circuit
02/17/2005US20050036340 Switching type power converter circuit and method for use therein
02/17/2005US20050036339 Current/voltage converter arrangement
02/17/2005US20050036338 Waveform independent high frequency power system
02/17/2005US20050036248 Uninterruptible power supply
02/17/2005US20050036245 Bridge power converter overload protection
02/17/2005US20050035815 Active filter for multi-phase ac power system
02/17/2005US20050035661 Circuit arrangement for supplying voltage to a load
02/17/2005DE102004031369A1 Gatetreiberschaltkreis Gate driving circuit
02/17/2005DE10162242B4 Leistungshalbleiterbauelement für beispielsweise Halbbrückenschaltungen Power semiconductor component for example, half-bridge circuits
02/16/2005EP1506613A1 Circuit arrangement for a resonant converter and method of operating said converter
02/16/2005EP1506612A2 Ac-dc converters with bi-directional valves
02/16/2005CN1581659A Power converter circuit and power convertion method
02/16/2005CN1581658A Split gate drive scheme to improve reliable voltage operation range
02/16/2005CN1581653A Zero-current switching power factor corrector with energy recovery
02/16/2005CN1189997C Multi-phase voltage changer
02/16/2005CN1189996C Switched-mode power supply with threshold value circuit
02/15/2005US6856526 Power system with phased controlled inrush limiter
02/15/2005US6856522 Synchronous rectifier gate drive circuits for zero voltage switching power converters
02/15/2005US6856119 Single-stage power factor corrected capacitor charger
02/15/2005US6854881 Method of estimating temperature and device for the effecting same
02/15/2005CA2337921C Pwm controlled power conversion device
02/10/2005WO2005013486A1 Circuit for producing potentially separated synchronisation impulses from an alternating voltage network
02/10/2005WO2005013469A1 Dc power supply
02/10/2005WO2005013466A1 Circuit arrangement for voltage adjustment and method for operating a circuit arrangement for voltage adjustment
02/10/2005WO2004112231A3 Rectifier/power converter for an ac power source having a connection for a back-up power source
02/10/2005WO2004108996A3 Electrophoretic dipping system
02/10/2005WO2003103116A3 Method and apparatus for active power factor correction with minimum input current distortion
02/10/2005US20050030778 Soft switched zero voltage transition full bridge converter
02/10/2005US20050030777 DC/DC converter
02/10/2005US20050030772 Circuit for maintaining hold-up time while reducing bulk capacitor size and improving efficiency in a power supply
02/10/2005US20050030770 Split gate drive scheme to improve reliable voltage operation range
02/10/2005US20050030769 Inverter unit
02/10/2005US20050030726 Inverter power module for use in electric and electronic product
02/10/2005US20050030083 IC device having a transistor switch for a power supply
02/10/2005US20050029872 Universal power supply
02/10/2005DE10329692A1 Batterieladegerät Battery charger
02/10/2005DE102004029023A1 Leistungshalbleitermodul mit einem Detektor zum Erfassen eines durch ein Leistungshalbleiterbauteil fliessenden Schaltungshauptstroms Power semiconductor module with a detector for detecting a current flowing through a power semiconductor device circuit the main current
02/09/2005EP1505716A2 Split gate drive scheme to improve reliable voltage operation range
02/09/2005CN2678237Y Explosion-proof frequency transformer
02/09/2005CN1578577A Inverter circuit for lighting discharge lamps with reduced power consumption
02/09/2005CN1578141A Semiconductor apparatus
02/09/2005CN1578093A Frequency converter and its control method
02/09/2005CN1578091A Dc-dc converter and device for operation of a high pressure discharge lamp using said converter
02/09/2005CN1578090A Circuit and method for controlling a synchronous rectifier in a power converter
02/09/2005CN1578082A 半导体装置 Semiconductor device
02/09/2005CN1578078A Series interleaved boost converter power factor correcting power supply
02/09/2005CN1578077A Opposed current converter power factor correcting power supply
02/09/2005CN1578040A 电源电路及电子装置 The power supply circuit and electronic device
02/09/2005CN1577785A Power semiconductor module with detector for detecting main circuit current through power semiconductor element
02/09/2005CN1576859A Power supply control apparatus including highly-reliable overcurrent detecting circuit
02/08/2005US6853565 Voltage overshoot reduction circuits
02/08/2005US6853564 Switched linear inductor circuit for switched power supply
02/08/2005US6853561 Power system with zero voltage switching
02/08/2005US6853232 Power switching device
02/08/2005US6853167 Power supply system
02/08/2005US6853097 Uniterruptible power supply and its starting method
02/08/2005CA2131339C Electronic power converter circuit arrangement and method for driving same
02/03/2005WO2005011094A1 Dc converter
02/03/2005US20050028017 Supplying power to at least one electrical device based on an efficient operating point of a power supply
02/03/2005US20050024907 Programmable power supply