Matches 151 - 192 out of 192 < 1 2 3 4


Match Document Document Title
US20130342014 Modular Power Inverter with Software Control  
A power inverter is provided comprising: a control board comprising: a processor that generates an AC waveform from a pulse width modulation (PWM) signal according to instructions or data stored...
US20130155739 SOLAR POWER GENERATION SYSTEM, CONTROL DEVICE USED FOR SOLAR POWER GENERATION SYSTEM, AND CONTROL METHOD AND PROGRAM FOR SAME  
In a light power generation system, a control device, a control method, and a program, efficient power can be supplied. The maximum power detection unit operates a MOSFET in a power converter...
US20120320644 DEVICE AND METHOD FOR DC TO AC CONVERSION  
The present invention provides a DC to AC converter including a device enabling separation of electric current into a positive portion of the circuit and a negative portion of the circuit, each...
US20120008352 METHOD AND APPARATUS OF PROVIDING A BIASED CURRENT LIMIT FOR LIMITING MAXIMUM OUTPUT POWER OF POWER CONVERTERS  
A biased current-limit circuit for limiting a maximum output power of a power converter includes an oscillator for generating a pulse signal and an oscillation signal. A waveform generator...
US20130336026 POWER CONVERSION APPARATUS  
A power conversion apparatus includes an inverter circuit including a switching element, a system voltage measurement unit measuring a system voltage of a power system, a voltage drop detector...
US20100195357 METHOD AND APPARATUS FOR DETERMINING A CORRECTED MONITORING VOLTAGE  
A method and apparatus for determining a corrected monitoring voltage, at least a portion of the method being performed by a computing system comprising at least one processor. The method...
US20150244286 INVERTING APPARATUS AND CONTROL METHOD THEREOF  
An inverting apparatus and a control method thereof are provided. The inverting apparatus includes an inverting circuit, a detection circuit, and a control circuit. The control circuit is coupled...
US20130182475 MULTI-PHASE INVERTER CONTROL DEVICE AND CURRENT CONTROL METHOD FOR THE SAME  
The present invention provides a multi-phase inverter control device and a current control method for the same. The multi-phase inverter control device comprises a discrete circuit receiving CT...
US20110013432 Systems, Methods, and Apparatus for Operating a Power Converter  
Embodiments of the invention can provide systems, methods, and apparatus for operating a power converter. According to one embodiment, a system for operating a power converter can be provided. The...
US20130148393 METHODS AND SYSTEMS FOR CONTROLLING A POWER CONVERTER  
A controller for controlling a power converter is described. The controller includes an input configured to receive at least one grid feedback signal, a filter, and an output. The filter is...
US20150244256 CONVERTING APPARATUS AND CONTROL METHOD THEREOF  
An inverting apparatus and a control method thereof are provided. The inverting apparatus includes an inverting circuit, a capacitor, and a control circuit. The inverting circuit receives a DC...
US20080225561 Apparatus and Method for Controlling Inverter  
An apparatus and method for controlling an inverter capable of enhancing reliability of current measurement by ensuring an optimal time for which effective voltage vectors are applied to detect a...
US20150244285 INVERTING APPARATUS AND CONTROL METHOD THEREOF  
An inverting apparatus and a control method thereof are provided. The inverting apparatus includes an inverting circuit, a detection circuit, and a control circuit. The inverting circuit converts...
US20100246223 TRANSFORMERLESS PHOTOVOLTAIC GRID-CONNECTING INVERTING DEVICE AND CONTROL METHOD THEREOF  
The present invention relates to a transformerless photovoltaic grid-connecting inverting device and an inverting control method thereof. The inverting device comprising a boosting unit, an...
US20170179847 ELECTRICAL SYSTEMS AND METHODS FOR ISLANDING TRANSITIONS  
Electrical systems and related operating methods are provided. One exemplary electrical system includes a sensing arrangement coupled to an electrical grid interface to measure an electrical...
US20170149354 METHOD AND SYSTEM FOR COMPENSATING FOR CURRENT SENSOR OFFSET OF INVERTER  
A method of compensating for a current sensor offset of an inverter includes: calculating a current sensor offset based on an output value of a current sensor, which detects an output current of...
US20170012437 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...
US20160322890 OFFSET VOLTAGE GENERATOR AND METHOD FOR GENERATING AN OFFSET VOLTAGE OF THREE-PHASE INVERTER  
In an embodiment, an offset voltage generator includes a first limiter configured to compare a first phase-voltage signal with a maximum limit value and a minimum limit value to output a first...
US20160308461 POWER CONVERSION DEVICE  
A power conversion device converts three-phase AC power into DC power by two-arm PWM modulation control and includes a main circuit that is constituted by a plurality of switching elements that...
US20160308460 OFFSET VOLTAGE GENERATOR AND METHOD FOR GENERATING AN OFFSET VOLTAGE OF THREE-PHASE INVERTER  
In one embodiment, an offset voltage generator includes a first limiter configured to compare a first phase-voltage signal with a maximum limit value and a minimum limit value to output a first...
US20160301324 Method and device for controlling start of switching rectifier, and storage medium  
The present disclosure provides a method for controlling soft start of a switching rectifier, which comprises: acquiring an external environmental parameter of the switching rectifier and a power...
US20160254760 INVERTER PHASE CURRENT RECONSTRUCTION APPARATUS AND METHODS  
Methods and apparatus are presented for sampling low side inverter phase currents, in which current sampling is selectively delayed in a given PWM cycle by a non-zero sampling delay time value...
US20160233787 POWER CONVERSION DEVICE AND METHOD OF CONTROLLING THE SAME  
A power conversion device includes a smoothing capacitor, an input voltage detection unit, a power conversion unit, and a controller. The input voltage detection unit detects a voltage value of...
US20160226397 DC-TO-AC CONVERSION APPARATUS AND METHOD OF OPERATING THE SAME  
A DC-to-AC conversion apparatus converts a DC input power source to a three-phase AC output power source. The DC-to-AC conversion apparatus includes an input capacitor assembly, a first conversion...
US20160181945 METHOD AND DEVICE FOR MODULATING A FIVE-LEVEL INVERTER, AND PHOTOVOLTAIC SYSTEM  
A method and device for modulating a five-level inverter, and a photovoltaic system are provided. The method includes: acquiring a voltage command value Vcmd of a phase bridge; controlling a first...
US20160172998 POWER CONVERTER  
A power converter is disclosed. In one aspect, the power converter includes a current sensor configured to sense an inverter current output from an inverter and output a first current having a...
US20160164431 DUAL MODE DC-AC INVERTER SYSTEM AND OPERATION  
A dual mode direct current-to-alternating current (DC-AC) inverter is capable of operating either with or without connection to an active external AC power source. The dual mode DC-AC inverter may...
US20160111974 SINGLE-PHASE PHOTOVOLTAIC INVERTER  
Disclosed are a single-phase photovoltaic inverter and a control method thereof in which a small insulated transformer and an ordinary current transformer are used to measure a leakage current...
US20160099659 OUTPUT POWER ADJUSTING METHOD FOR INVERTER  
An output power adjusting method is applied on an inverter. The inverter includes a capacitor to store direct current (DC) electricity provided by a photovoltaic (PV) module. At least the DC...
US20160094148 PHOTOVOLTAIC SYSTEM AND METHOD FOR CONTROLLING THE SAME  
Provided are a photovoltaic system and a method for controlling a photovoltaic system. The photovoltaic system includes a photovoltaic output device, an inverter device, an AC interface device, a...
US20160094037 DC-Bus Controller for an Inverter  
Provided are DC-bus voltage or DC-bus current controller methods and circuits, for a voltage or current source inverter. A mean value calculator provides an output signal comprising the mean value...
US20160049884 POWER CONVERSION DEVICE  
A power conversion device: including a group of serial three-level inverters in which 2n three-level inverters connected in series; and at least one switch circuit that selects an output from...
US20160006366 INVERTER AND OPERATING METHOD FOR AN INVERTER  
A method for operating an inverter which is connected to an energy supply grid via a transformer for feeding in electrical energy into the energy supply grid, includes measuring output currents...
US20150357934 METHOD AND DEVICE FOR CONTROLLING AN INVERTER  
The invention relates to a method for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), the inverter (10) being equipped...
US20150318792 METHOD FOR DRIVING INVERTERS, AND INVERTER ADAPTED TO REDUCE SWITCHING LOSSES  
A method for controlling the switching of an inverter, a bridge of which is adapted to chop a voltage from a direct voltage source for feeding a chopped voltage to a primary of a transformer; the...
US20150295511 DUAL MODE MICRO-INVERTER SYSTEM AND OPERATION  
A dual mode direct current-to-alternating current (DC-AC) micro-inverter is capable of operating either with or without connection to an active external AC power source. The dual mode DC-AC...
US20150280607 Single-Phase Emergency Operation of a Three-Phase Inverter and Corresponding Inverter  
A method for converting DC power from a source into AC power by means of an inverter which includes three bridge branches, each having a phase output, is described. During grid-connected...
US20150270785 POWER CONVERTER AND METHOD FOR SETTING THE OPERATION AND THE START-UP OF A POWER CONVERTER  
A power converter, for example, an inverter of a photovoltaic system, is designed to read out an exchangeable memory medium and to carry out an operation setting and/or a start-up of the power...
US20140313799 Power Transforming Apparatus  
A power transforming apparatus implements a transformation of an energy signal and comprises a control unit, a pulse width modulation (PWM) unit, a transformation unit, and a slope compensation...
US20140119081 POWER CONVERSION APPARATUS  
A power conversion apparatus is applied to an assembled battery which is a series connection of a plurality of unit batteries, two or more and at least part of the plurality of unit batteries...
US20130094259 CONTROL APPARATUS OF POWER INVERTER CIRCUIT  
It provides the effective power conversion control technique which it can control which it made use of a characteristic (nature) of each A/D converter in. It comprises the third control part...
US20120074915 CONTROL CIRCUIT AND TRACKING METHOD OF MAXIMUM POWER  
A control circuit controls a power output module and drives a load device. The control circuit includes a conversion unit, a feed-forward unit, a feedback unit and a control unit. The conversion...

Matches 151 - 192 out of 192 < 1 2 3 4