Patents for H02M 1 - Details of apparatus for conversion (33,954)
03/2001
03/27/2001CA2059935C High power factor power supply
03/22/2001WO2001020822A1 Reduction of emi through switching frequency dithering
03/21/2001EP1085649A2 Power conversion system
03/20/2001US6205039 Device for supervising a high voltage converter station
03/20/2001US6205037 Overload protection for a switch mode power supply
03/20/2001US6204649 PWM regulator with varying operating frequency for reduced EMI
03/20/2001US6204630 Lightweight, compact, on-board, electric vehicle battery charger
03/20/2001US6204612 Discharge device
03/20/2001US6204493 Fault tolerant electric current regulator
03/15/2001WO2000056121A9 Circuit arrangement and signal light provided with said circuit arrangement
03/15/2001DE19942794A1 Konverter mit Hochsetzstelleranordnung Converter with boost converter arrangement
03/15/2001DE19942203A1 Output voltage limitation method for voltage/frequency regulator for electric motor limits voltage to first and second values obtained from regulator intermediate circuit voltage characteristic and voltage respectively
03/15/2001DE19941486A1 Circuit for reducing AC components of DC supply to clocked devices in motor vehicle by placing tuned filter in parallel with input to device e.g. DC motor
03/15/2001DE10044574A1 Variable control circuit for AC load e.g. lighting or heating device or variable speed motor, uses phase chopping of rectified sinusoidal half waves of supply network voltage
03/14/2001EP1083648A2 Step-up converter
03/14/2001EP1082805A1 Voltage switch-over device
03/14/2001CN1287404A Power supply switch equipment
03/14/2001CN1063296C Switched-mode power source with standby mode
03/13/2001US6201706 Power supply device with externally disconnectable “Y” capacitors
03/13/2001US6201319 Uninterruptible power supply
03/08/2001DE19942258A1 Circuit and method for diverting system stored energy in frequency converter circuit during commutation employs GTO thyristor circuits connected across d.c. link circuit
03/07/2001EP1081833A1 Power converter apparatus
03/07/2001CN1286523A Sigle-stage AC/DC converter with power factor correction
03/07/2001CN1062989C Distribution base panel and electric power conversion arrangement using same
03/06/2001US6198644 Rectifying/smoothing circuit and double-ended converter
03/06/2001US6198643 System with choke in parallel with A/C power line for load conditioning
03/06/2001US6198642 Compact multiple output power supply
03/06/2001US6198638 Synchronous rectifier flyback circuit for zero voltage switching
03/06/2001US6198258 DC-DC converter capable of soft starting function by slowly raising reference voltage
03/01/2001DE19940540A1 High frequency clocked switch-mode power supply based on fly-back converter principal, has radio-interference suppression device of series circuit of two capacitors arranged between
02/2001
02/28/2001EP1079507A1 Switching regulator, dc/dc converter, and lsi system with switching regulator
02/28/2001EP1078445A1 Inverter without harmonic components
02/28/2001EP1078444A1 Pwm controller for use with open loop dc to ac converter
02/28/2001CN1062684C Transmission line power flow controller with unequal advancement and retardation of transmission angle
02/27/2001US6195273 Converter with continuous current flowing through secondary windings
02/27/2001US6194885 Boosting active filter system and controller for boosting active filter
02/27/2001US6194881 Switching power supply for lowered distribution system disturbance
02/27/2001CA2263296C Inverter for inputting sinusoidal currents into an alternating current network
02/22/2001WO2001013501A1 Highly efficient driver circuit for a solid state switch
02/22/2001DE19959716A1 Capacitor discharge device for current supply system has discharge circuit providing discharge path for capacitive charge activated when current supply system is disconnected
02/22/2001DE19938716A1 DC/DC converter circuit e.g. for controlling IC engine ignition module, has evaluation stage controlled by output voltage for detecting overload
02/22/2001DE19938484A1 Schaltungsanordnung zur dynamischen Strombegrenzung einer Stromversorgung Circuit arrangement for dynamic current limitation of a power supply
02/21/2001EP1077017A1 Circuit arrangement and signal light provided with said circuit arrangement
02/21/2001CN2420784Y Rubber casing structure of bridge rectifier
02/20/2001US6191676 Apparatus for suppressing nonlinear current drawing characteristics
02/20/2001US6191640 Method and device for driving a turn-off thyristor
02/20/2001US6191565 Power factor compensation controller
02/20/2001US6191564 Power factor correcting electrical converter apparatus
02/20/2001US6191563 Energy saving power control system
02/15/2001WO2001011763A1 Unified constant-frequency integration control of three-phase power factor corrected rectifiers, active power filters, and grid-connected inverters
02/14/2001EP1076404A2 Circuit for dynamical current limitation of a power source
02/14/2001CN1062093C Versatile unit-block combined trigger
02/13/2001US6188586 Asymmetrical half-bridge power converter having reduced input ripple and method of manufacturing the same
02/13/2001US6188553 Ground fault protection circuit
02/07/2001EP1075070A2 Power-factor-corrected single-stage inductive charger
02/07/2001CN1283322A Converter connection assembly with direct voltage intermediate circuit
02/07/2001CN1061795C Device for supplying power from AC source
02/06/2001US6185117 Self-compensating converter
02/06/2001US6185082 Protection circuit for a boost power converter
02/06/2001US6184740 Control Circuit
02/06/2001US6184630 Electronic lamp ballast with voltage source power feedback to AC-side
02/01/2001WO2001008288A2 Power supplies having protection circuits
01/2001
01/31/2001EP1073188A2 Power supply unit
01/31/2001EP1073184A1 Monolithic zero-voltage control structure for a bidirectional switch with a stable threshold voltage
01/31/2001CN1061487C Apparatus for controlling driving signal for motor
01/30/2001US6181586 Current-to-voltage converter and associate closed-loop control circuit
01/30/2001US6181583 Power supply device and air conditioner using the same
01/30/2001US6181582 Method and circuit arrangement for generating a representation of the supply voltage in a frequency converter
01/30/2001US6181580 Single-supply gridding and biasing circuitry
01/30/2001US6181578 Synchronous rectifier drive mechanism for resonant reset forward converters
01/30/2001US6181539 Power conversion apparatus and air conditioner using the same
01/30/2001US6181114 Boost circuit which includes an additional winding for providing an auxiliary output voltage
01/30/2001US6181113 Harmonic resonance control and protection system for switched power factor control capacitor devices
01/30/2001US6181029 Method of controlling battery back-up for multiple power supplies
01/30/2001CA2249859C Power supply control system
01/25/2001WO2001006629A1 Power source and arrangement for restricting the short-circuit current of rectifier
01/25/2001DE19933161A1 Schaltungsanordnung Circuitry
01/25/2001DE10032846A1 Power factor correction circuit for a.c.-d.c. power converter varies switch-off time as function of the peak inductance current during each switching period
01/24/2001EP1071210A2 Cicuit arrangement
01/24/2001EP1070440A1 Electronic lamp ballast with power factor correction
01/24/2001CN1061185C Switching power supply unit
01/23/2001US6178101 Power supply regulation
01/23/2001US6177782 Circuit and method of controlling a regulator with an output feedback signal and devoid of an input feedforward signal
01/23/2001US6177781 Power-factor improvement device
01/23/2001CA2218937C A pulse width modulation device for converting direct voltage into a three-phase alternating voltage
01/18/2001WO2001003490A2 Apparatus for increasing the voltage utilization of three-phase pwm rectifier systems with connection between output center point and artificial mains star point
01/18/2001DE19932379A1 Drosselwandler Buck converter
01/18/2001DE19931055A1 Schutzvorrichtung zur Vermeidung der Überlastung von Kondensatoren mit hochfrequenten Spannungen Protection apparatus for preventing the overload of capacitors with high frequency voltages
01/17/2001EP1069683A2 Gate driving circuit for power semiconductor switch
01/17/2001EP1069673A1 Line filter
01/17/2001EP1069672A2 Power supply with transformer choke
01/17/2001CN1280418A Pulse width modulation control system
01/17/2001CN1280414A Choke converter
01/17/2001CN1060894C 正向变换器 Forward converter
01/16/2001US6175256 Control circuit
01/16/2001US6175218 Power factor correction (PFC) controller
01/16/2001US6175192 Multi-step type energy recovering apparatus and method
01/11/2001WO2001003279A1 System for controlling the delivery of power to dc computer components
01/11/2001WO2001003276A2 Diode recovery current suppression circuits
01/11/2001WO2001003267A1 Protective device for preventing the overload of capacitors by high-frequency voltages