About 189 results
https://drivepatents.com/patents/986887 · 11 Sep 2013
A modular energy harvesting portal including a housing with a bay, a plurality of inverters, a controller, and an AC bus. A first inverter has a first DC input, a first AC output, and a first power rating. The first inverter converts DC power to AC power a...
https://drivepatents.com/patents/984625 · 28 Aug 2013
The present invention provides a method for realizing on/off-grid dual-mode operation of a bidirectional converter in a micro power grid, wherein an on/off-grid controller in the micro power grid detects if the large power grid loses power or the power sup...
https://drivepatents.com/patents/987450 · 14 Aug 2013
A solar inverter system (100, 200) includes a first inverter (102), a second inverter (104), and a controller (106). The first inverter (102) has a first input terminal, and a first output terminal. The first input terminal is coupled to a solar panel (108...
https://drivepatents.com/patents/987662 · 7 Aug 2013
A converter assembly comprising DC-DC converter means (4), inverter means (6), a DC link (5), input capacitor means (2), inductor means (7) and a neutral conductor (8), the DC-DC converter means (4) including at least one DC-DC converter unit (41, 42), the...
https://drivepatents.com/patents/988122 · 31 Jul 2013
A power conditioner (10) applied to a wind power generation system detects a system voltage (Vr) of a power system (13) and controls output power and output voltage of an inverter (2) based on an active power instruction value (Pr0) and an alternating-curr...
https://drivepatents.com/patents/987998 · 31 Jul 2013
It is described a method for operating a converter (100) of a wind turbine for providing electric energy to a utility grid (158), the method comprising: determining a grid voltage (V); if the grid voltage (V) is between a nominal voltage (V0) and a first v...
https://drivepatents.com/patents/987979 · 31 Jul 2013
Device and method for disconnecting and reconnecting an inverter initially connected to the electrical network and working as a current source (CSC) comprising the steps of continuously monitoring the instantaneous voltage and frequency of the electrical n...
https://drivepatents.com/patents/987978 · 31 Jul 2013
A power converting apparatus and a photovoltaic module are discussed. The power converting apparatus includes a converter including a tapped inductor and a first switch, the converter converting a level of an input direct current (DC) voltage and outputtin...
https://drivepatents.com/patents/988404 · 24 Jul 2013
In order to suppress distortion in part of a waveform for a sinusoidal voltage generated by one of a pair of serially connected switch elements effectively turning on during an on/off deadtime in a circuit of a type provided with an on/off deadtime for the...
https://drivepatents.com/patents/989131 · 3 Jul 2013
There is provided a power conversion apparatus including a power converter being so configured that an alternating-current switch constituted of a series connection of two valve devices each constituted of a semiconductor element and a diode connected in i...