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9042142 Multi-level voltage converter  
The invention discloses a voltage source converter and a voltage source converter system. The voltage source converter comprises: a multi-level voltage source converter, being adapted to output a...
9042123 Full bridge DC-DC converter that applies current doubler  
A full bridge DC-DC converter to which a current doubler is applicable is provided and includes a transformer and a switching circuit that converts a high direct current voltage into a high...
9042122 Power converter and method for balancing voltages across input capacitors  
A power converter and a method for balancing voltages across input capacitors are disclosed in the present application. The power converter includes: two DC input terminals; a first input...
9041372 Wide output voltage range switching power converter  
A switching power converter includes a voltage source that provides an input voltage Vin to an unregulated DC/DC converter stage and at least one buck-boost converter stage to produce a desired...
9035350 Systems, circuits, devices, and methods with bidirectional bipolar transistors  
Methods, systems, circuits, and devices for power-packet-switching power converters using bidirectional bipolar transistors (BTRANs) for switching. Four-terminal three-layer BTRANs provide...
9036373 Closed loop control of a cyclo-converter  
A three-phase resonant cyclo-converter including a closed loop control module for controlling the switching frequency of the cyclo-converter, the closed loop control module including: a voltage...
9030843 High frequency square-wave power distribution system  
A minimalized power converter has a square-wave voltage source operating at 100 percent duty-ratio, a series inductance and a rectifier. A high frequency square-wave power distribution system...
9030844 High bandwidth, high efficiency DC-DC multilevel converter topology  
A multilevel DC-DC converter includes a voltage source that provides a voltage Vout1 to at least one charge converter circuit and an output filter capacitor having an associated output voltage...
9029909 Systems, circuits, devices, and methods with bidirectional bipolar transistors  
Methods, systems, circuits, and devices for power-packet-switching power converters using bidirectional bipolar transistors (BTRANs) for switching. Four-terminal three-layer BTRANs provide...
9025346 Fly-back power converting apparatus  
A structure of a fly-back power converting apparatus is disclosed. The structure includes a power transistor, a current detector, a pulse width modulation (PWM) signal generator and a current...
9025345 Power supply apparatus  
A high-efficiency power supply apparatus is provided in light of the reduction of the switching loss. The power supply apparatus connected between the AC power supply and the DC load converts the...
9001530 Integrated circuit with voltage conversion  
An integrated circuit may include a signal generator configured to generate a switching signal and a switching unit coupled to the signal generator. The switching unit may be configured to...
8988900 DC capacitor-less power converters  
Three resonance-based universal power converter topologies are disclosed. One includes a partially resonant parallel L-C link and incorporates intermediate cross-over switching circuits between...
8988899 Switching regulator device  
A switching regulator device including a power conversion transformer for converting an input voltage from a power source at a primary side to a predetermined output voltage and outputting the...
8988861 Power converter  
The power converter includes a power conversion section which configures a circuit for power conversion, a power bus bar extending from the power conversion section, a terminal block, and a...
8976543 Full bridge power supply with digital feedback  
A circuit includes a full-bridge converter circuit coupled to a transformer for converting a first voltage level to a second voltage level. A sensing circuit is coupled to the transformer for...
8976544 Resonant circuit inverter with controllable operating point  
A resonant circuit inverter with a rectifier, a DC link circuit and an inverter including controllable switches. The resonant circuit inverter has a first control means, with which the operating...
8964414 DC power supply including resonant circuit for reducing switching losses  
A DC power supply including a resonant circuit on a secondary side of a transformer suppresses a surge voltage during power recovery of diodes constituting a rectifier circuit, correctly estimates...
8964413 Two stage resonant converter enabling soft-switching in an isolated stage  
A resonant converter comprising: a controllable current source; a resonant tank circuit coupled to the current source; and an isolated buck-type converter coupled to the resonant tank circuit, the...
8966294 Clamp circuits for power converters  
A power converter comprises an input port configured to receive a source of power, an output port configured to provide output power, and a bridge circuit coupled to the input port. The bridge...
8958216 Method and apparatus for digital isolation using planar magnetic circuits  
A digital isolation circuit includes an encode circuit, a planar magnetic circuit, and a decode circuit. The encode circuit receives an input signal and divides the input signal into a first...
8953340 Single phase power supply for inductively coupled power transfer systems  
An ICPT system has a single phase power supply which energises a conductive path (13) and has an inverter (5) to provide an alternating current at an operating frequency greater than the single...
8953352 Controller and a method for a DC converter, and also a DC converter  
A controller (2) and a method for a DC converter (1), wherein the DC converter (1) comprises an input (E), an output (A), a connection to ground (GND), and also at least two half-bridges with two...
8947893 Switch controller and converter including the same for prevention of damage  
In a converter using a transformer, a switch controller controlling a main switch and an auxiliary switch increase a turn-on time of the auxiliary switch when a voltage of a signal corresponding...
8942010 Inverter of new and renewable energy storage system  
Provided is an inverter of a renewable energy storage system, which has an input port and an output port electrically insulated, and is compact and low-priced, while having a simplified circuit....
8937818 Low-volume programmable-output PFC rectifier with dynamic efficiency and transient response optimization  
The present invention is a system, apparatus and method of a PFC rectifier having a programmable output voltage that does not incur a drastic penalty in the overall size or volume of the device,...
8934267 Loosely regulated feedback control for high efficiency isolated DC-DC converters  
The improved DC-DC converter apparatus includes a primary side circuit and a secondary side circuit that is galvanically isolated from the primary. The primary side induces a voltage in the...
8934265 DC-DC converter  
Provided is a vehicle which enables a highly-efficient DC-DC converter and a highly-efficient power supply to a load, regardless of a power supply amount of to the load. When the power supply...
8929099 Bi-directional DC/DC converter and battery testing apparatus with converter  
A bi-directional DC/DC converter includes at least one module having a module input for providing a bi-directional module input current, and a module output with an output inductor for providing a...
8929100 Power converter enabling suppression of magnetic flux bias in a transformer of the converter  
In an electrical power converter, an input circuit performs switching for converting a supply voltage of a power source to alternating-polarity voltage pulses which are applied to the primary...
8929101 DC to DC converting circuit  
The invention provides a DC to DC converting circuit, comprising: a transforming unit with a primary winding and a secondary winding; a bridge rectifier unit coupled to an input voltage, having a...
8929109 Double-output half-bridge LLC serial resonant converter  
The present invention relates to a double-output half-bridge LLC serial resonant converter, comprising: a half-bridge rectifying unit, a first resonant unit, a first transformer unit, a first...
8928181 Method and apparatus for transmission of energy and data  
In a method and in an apparatus for transmission of energy and data, with a primary side, on which an amplifier is arranged, with a secondary side, on which a data source, e.g. a measuring sensor,...
8923015 Primary-side power control for inductive power transfer  
A method is provided for controlling the output voltage of a pickup in an inductive power transfer (IPT) system without any additional form of communications for feedback from the pickup to the...
8922050 Method for controlling a power supply device having an inverter  
A method for controlling a power supply device for at least one electrical machine, having at least one storage device for electric energy (battery) and an inverter equipped with at least one...
8923016 Solar module for generating a D.C. voltage and method for its operation  
A solar module has a solar cell which generates a DC voltage. The module has a converter for converting a DC voltage fed into its input. The module contains a semiconductor switch and a controller...
8922185 Device and method for global maximum power point tracking  
A device, system, and method for global maximum power point tracking comprises monitoring an output power of a DC power source while executing a maximum power point tracking algorithm and...
8918007 Voltage generating device and image forming apparatus including the same  
A power supply apparatus outputs a developing voltage in which a pulse wave shape at a time of positive amplitude is different from a pulse wave shape at a time of negative amplitude. Voltages are...
8907685 Determining the dead time in driving a half-bridge  
Disclosed is a circuit arrangement for determining a temporal change of an output voltage of a half-bridge circuit during a dead time. In one embodiment, the circuit arrangement includes a first...
8908401 Multiphase soft-switched DC-DC converter  
A high-frequency DC to DC converter comprising n transient converter circuits (1, 2 . . . n) operating in parallel. The converter has constant transfer characteristics, and the transient converter...
8891254 Power converter and battery charger using the same  
A power converter including: a transformer in which first and second voltages are induced; a full-bridge circuit including parallel-connected first and second arms each including series-connected...
8890366 Wireless energy transfer using array of resonant objects  
A system for exchanging energy wirelessly comprises an array of at least three objects having a resonant frequency, each object is electromagnetic (EM) and non-radiative, and generates an EM...
8891253 Inverter, system and method comprising a DC-DC push-pull converter with a transformer  
A grid tied inverter connectable to an electricity grid, the grid tied inverter comprising a DC to DC current fed push-pull converter operable to generate a current waveform from a DC voltage...
8866332 Circuit arrangement for power distribution in a motor vehicle  
A circuit arrangement (1) for power distribution in a motor vehicle is described, which comprises a transformer (T1, T1a . . . T1n) having at least three transformer windings (W1, W1a . . . W1n,...
8848397 Magnetic integration double-ended converter  
A magnetic integration double-ended converter with an integrated function of a transformer and an inductor includes an integrated magnetic member having a magnetic core with three magnetic columns...
8839509 Method for manufacturing electronic apparatus  
Multiple high-voltage side and low-voltage side electric conductors are formed from one sheet of a conductive plate in such a way that the multiple electric conductors are arranged in parallel to...
8830702 Semi resonant switching regulator, power factor control and LED lighting  
Described are improvements in power factor control and systems embodying said improved power factor control. Improvements lie in a method of zero voltage switching in which a capacitor is placed...
8829718 DC-DC converter  
A voltage drop of an output voltage of a DC-DC converter, caused by a wiring resistance, can properly be compensated at low cost. The DC-DC converter is connected to a low-voltage battery through...
8830693 Planar transformer assemblies for implantable cardioverter defibrillators  
A planar transformer assembly, for use in charging capacitors of an ICD, includes windings arranged to minimize voltage across intervening dielectric layers. Each secondary winding of a preferred...
8824168 Dynamically adjusting drive signals for full bridge phase shifted converter and current doubler synchronous rectifier  
A full bridge phase shifted power supply with synchronous rectification and current doubler and method for dynamically adjusting delay parameters thereof mainly have multiple delay parameter...