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9042139 Voltage regulator with inductor banks and control signal  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
9035493 Power-fluctuation reducing apparatus for power generation system  
According to one embodiment, there is provided a power-fluctuation reducing apparatus in a power generation system to control a converter connected to the power generation system and connected to...
9013159 Parallel-operating power supply system  
Each of master and slave switching power supply apparatuses (2m, 2s) has an IGBT (10m or 10s) switching-controlled by a PWM pulse signal produced, based on a clock signal, by a switching device...
8952667 Switching power supply circuit  
A master transistor and a slave transistor are both insulated gate bipolar transistors. A slave diode is connected in anti-parallel to the slave transistor. The master transistor is brought into...
8933785 Power conversion system and communication address setting method  
There is provided a power conversion system, and a photovoltaic inverter includes a communication unit that broadcast-transmits a setting request signal of a predetermined communication address....
8711589 Direct converting apparatus, method for controlling the same, and control signal generation device  
In a direct converting apparatus including a converter and a plurality of inverters, substantial carrier frequencies of the plurality of inverters are made different from each other while...
8624439 Delivery of electric power by means of a plurality of parallel inverters and control method based on maximum power point tracking  
The system provides for one or more photovoltaic panels (3) or other energy sources, connected to a series of inverters (5) in parallel, the outputs of which are connected to a load (Z) and/or to...
8575882 Power layer generation of inverter gate drive signals  
Solid state switches of inverters are controlled by timing signals computed in power layer interface circuitry for individual inverters. Multiple inverters may be placed in parallel with common...
8558524 Master/slave power supply switch driver circuitry  
A power supply circuit can be configured to include a first circuit and a second circuit. Each circuit can be substantially identical to each other but provide different functionality depending on...
8553438 Voltage regulator with inductor banks  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
8552704 Current share compensation design  
A current share system for providing current to a load includes a first power supply module that controls a first voltage converter to provide a first current to the load, that transmits...
8542505 Precision switching for carrier based PWM  
A voltage source converter station including a multilevel voltage source converter, for conversion of electrical power between AC and DC, and a control system. The voltage source converter...
8482948 Interleave control power supply device and control circuit  
A two-phase critical interleave PFC boost converter, includes a master-side control circuit configured to critically control a first switching element based on a master signal; and a slave-side...
8467202 Flyback power supply system  
A flyback power system includes a rectifier and filter circuit, a pulse width modulation (PWM) controller, a feedback circuit, a master converter circuit, a slave converter circuit, and a slave...
8374011 Method and apparatus for boosting DC bus voltage  
A power converter includes at least two power conversion sections operating in parallel. The power converter receives a variable input power and generates an AC output voltage. When the power...
8233299 Dynamic phase timing control for multiple regulators or phases  
A drive control circuit generates switching drive signals for a single phase of a multiphase voltage regulator. A driver circuitry generates the switching drive signals for the voltage regulator...
8169177 Electric vehicle  
An electric vehicle includes a control unit having overcurrent generation judgment unit, inverter selection unit, and inverter drive control unit. The overcurrent generation judgment unit judges...
8159145 Synchronous operating system for discharge tube lighting apparatuses, discharge tube lighting apparatus, and semiconductor integrated circuit  
A synchronous operating system for operating a plurality of discharge tube lighting apparatuses at the same frequency and same phase includes (1) an oscillator of a triangular wave signal whose...
8120935 Power converter with dual ring network control  
A method for providing electric power to a power system includes receiving, at a slave node of a power converter having a plurality of slave nodes, a first synchronization signal via a first...
8054655 Tail current control of isolated converter and apparatus thereof  
An inventive isolated converter which exempts the auxiliary isolation devices with accurate voltage regulation is disclosed. The converter includes the primary side circuit with a primary...
8050067 Method and control system for controlling power conversion in a power converter  
A control system for controlling conversion of an input power into an output power in a converter module is provided. The control system includes an input power terminal, an output power terminal,...
8014179 Multi output voltage regulation of a synchronous generator in a power system  
In typical commercial/aerospace applications, synchronous generators provide power to both the high voltage and the low voltage loads. This disclosure describes a method of regulating the output...
8014180 Voltage regulator with inductor banks  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
7967508 Leaf collection apparatus  
The present invention is directed to an apparatus for collecting fallen leaves or other objects. According to various embodiments, the apparatus comprises a mesh, central collection section for...
7944721 Switching control circuit for multi-channels and multi-phases power converter operated at continuous current mode  
A switching control circuit for multi-channels and multi-phases power converter according to the present invention comprises a master control circuit and a slave control circuit. The master...
7889525 System and method for phase dropping and adding  
A multi-phase voltage regulator comprises a plurality of current supplying stages, each current supplying stage configured to supply a local output current equaling at least a portion of a load...
7884588 Control method and device for a system of interleaved converters using a designated master converter  
Control device for a switching converter structure comprising at least a first and a second interleaved converter, wherein the control device is configured to designate one converter as master and...
7859871 Method for controlling inverters  
The invention relates to a method for controlling the voltage and power of several HF inverters (2), connected in parallel at the output, of an electrically isolated inverter assembly as well as...
7830688 Voltage regulator with adaptation control  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
7773396 Parallel connection of inverters  
Method for synchronizing inverter units (INU11, INU12) that are connected in parallel and supply a motor, and a parallel connection arrangement, in which motor is either one winding, which is...
7733676 Non-contact power supply system utilizing synchronized command signals to control and correct phase differences amongst power supply units  
A non-contact power supply system is provided in which current phases of induction lines are matched. According to the output current of a power supply unit (21) and the power consumption of...
7688607 Voltage regulator with inductor banks  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
7630689 Electronic device  
An electronic device that can receive an AM radio broadcast signal and has a switching power supply circuit, wherein a switching frequency of the switching power supply circuit is detected and a...
7616463 Voltage regulator with common s-phase signals and phase lock loops  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
7593243 Intelligent method for DC bus voltage ripple compensation for power conversion units  
A power conversion system having a DC power distribution bus includes multiple power converters connected to the DC power distribution bus with modulation frequencies synchronized so that...
7535124 Voltage stabilizer  
The voltage stabilizer for stabilizing a voltage of a circuit includes a first resistor, a second resistor, a voltage controller, and a current supply unit. The voltage controller keeps a voltage...
7522436 Master-slave with adaptation control including slave current checking  
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the...
7518894 Distributed power supply system having reassignable master  
A distributed power system delivers DC power to a plurality of loads. The distributed power system includes a plurality of power converter modules having an associated DC to DC power conversion...
7502240 Distributed power supply system with separate SYNC control for controlling remote digital DC/DC converters  
A distributed power system for delivering DC power to a plurality of loads. A plurality of switching DC/DC converter modules are provided, each disposed proximate one of the loads, and each having...
7471528 Parallel operating system of DC-AC converters and controller IC therefor  
A multiplicity of synchronized inverters for driving a multiplicity of loads such as CCFLs that require high ac voltages are arranged in close proximity of the respective loads and controlled in...
7394232 Interleaved switching converters in ring configuration  
A switched mode power supply assembly that has a plurality of power supply modules cyclically coupled to each other. Each power supply module has a synchronization control module for generating a...
7277303 Power source apparatus  
There is provided a power source apparatus that includes a master circuit and a slave circuit provided in parallel and outputs an electric current that adds an electric current output from the...
7196488 Motor driving apparatus  
A motor driving apparatus capable of drivingly controlling a plurality of inverter units with a single motor driving command from a motor control unit, and thereby control a large-capacity motor...
7110273 Inverter controlling method  
An inverter controlling method is provided for a power system that includes a DC power source and a plurality of inverters connected in parallel to the power source. The method includes the steps...
7038923 Method of establishing a master & minus host in modules connecting in parallel  
This invention relates to a method of establishing a master unit in a multi-unit parallel system. Each module with a respective number is connected through a bus, and has a different...
7005835 Method and apparatus for load sharing in a multiphase switching power converter  
A plurality of single-phase synchronizing converter automatically synchronize on a peer-to-peer basis. Each synchronizing converter is configured as a DC-to-DC converter. The synchronizing...
6982886 Dc-ac converter parallel operation system and controller ic therefor  
A multiplicity of synchronized inverters for driving a multiplicity of loads such as CCFLs that require high ac voltages are arranged in close proximity of the respective loads and controlled in...
6978934 Method and apparatus for reducing data collection device power consumption  
A method and apparatus are provided for reducing power consumption in a data collection device. The method includes providing a power detector in an interface component of the data collection...
6930895 Computer power supply  
An object of the present invention is to provide a computer power supply in which, by improving the circuit itself, internal heat loss can be reduced, thereby greatly improving efficiency. A...
6862200 Methods and apparatus for providing power signals to operating circuitry mounted on circuit boards  
A technique involves providing a set of soft start power signals to operating circuitry mounted on a circuit board. In particular, the technique involves enabling (i) a first converter to provide...

Matches 1 - 50 out of 168 1 2 3 4 >