About 190 results
https://drivepatents.com/patents/994015 · 9 Jan 2013
A method of connecting a plurality of solar panel units to an inverter in an arrangement comprising a plurality of switches. Each switch is configured to connect one of the solar panel units to a DC link of the inverter. The inverter comprises means for co...
https://drivepatents.com/patents/994008 · 9 Jan 2013
Disclosed is a power converter circuit, a power supply system, a power converter unit, and a method for operating a power converter circuit. The power converter circuit comprises: output terminals (11, 12); a plurality of converter units (2) each comprisin...
https://drivepatents.com/patents/994503 · 2 Jan 2013
A power converting apparatus is provided with an inverter circuit, an output short-circuiting circuit, and a control circuit. The inverter circuit comprises a first inverter switch that is configured so as to generate a first polarity voltage from DC volta...
https://drivepatents.com/patents/995310 · 12 Dec 2012
The invention relates to an apparatus comprising: a maximum power point tracking (MPPT) module configured to control voltage or current to a maximum power point of a corresponding solar panel coupled to a power line; a monitoring module configured to gathe...
https://drivepatents.com/patents/995105 · 12 Dec 2012
Provided is a solar power conversion apparatus which includes at least one solar array receiving light and generating a DC power, a converter unit converting amplitude of the generated DC power, a multilevel inverter unit receiving the DC power from the co...
https://drivepatents.com/patents/995534 · 5 Dec 2012
A power converting apparatus is provided with a step-up chopper circuit (2) that steps-up an input voltage (Vi) from a distributed power supply, an inverter circuit (3) that converts the output voltage (Vd) of the step-up chopper circuit (2) into alternati...
https://drivepatents.com/patents/996039 · 14 Nov 2012
The system (1) has a photovoltaic panel (2) and two inverters (3) for supplying power to an alternating current (AC) network. Direct current (DC) voltage inputs of the two inverters are connected in series with each other. A supply transformer (4) with two...
https://drivepatents.com/patents/996390 · 31 Oct 2012
A distributed photovoltaic (PV) power plant (50) includes a plurality of distributed dc-dc converters (54). The dc-dc converters (54) are configured to switch in coordination with one another such that at least one dc-dc converter (54) transfers power to a...
https://drivepatents.com/patents/996718 · 24 Oct 2012
Systems (100), methods, and apparatus for maintaining stable conditions within a power grid (110) are provided. A local device (105) that includes one or more computer processors (161) may identify one or more power sources (115) associated with a structur...
https://drivepatents.com/patents/997476 · 10 Oct 2012
Provided is an inverter apparatus, wherein the space necessary for installing a grid connection relay is made to be small, and the state of contacts of the grid connection relay can be monitored. When a commercial power system (30) is in normal operation s...