About 39 results
https://drivepatents.com/patents/1012550 · 1 Jun 2011
The subject matter of the invention is the provision of a power-management system and method for photovoltaic installations connecting to the grid, which incorporates monitoring active and/or reactive power, account being taken at all times of grid require...
https://drivepatents.com/patents/1012642 · 25 May 2011
An energy management system comprising: a first interface for connection to a power generation system; a second interface for connection to a storage device; a third interface for connection to a power grid; a fourth interface for connection to a load; and...
https://drivepatents.com/patents/1015712 · 16 Feb 2011
A power converter assembly for a solar power plant comprising boost converter means, direct current bus bar means and control means, the boost converter means comprising a plurality of boost converter blocks each having a direct current input adapted to be...
https://drivepatents.com/patents/1069176 · 15 Mar 2006
A conventional hill climbing method is not capable of tracking a maximum power when a shadow covers a part of a solar cell panel and a plurality of maximal values is thereby developed. The invention provides a photovoltaic power generation system control m...
https://drivepatents.com/patents/1078859 · 6 Apr 2005
A power control apparatus for supplying a load with power output by a solar cell comprises converting means for converting output power of the solar cell to power conforming to the load; first sensing means for sensing output power of said converting means...
https://drivepatents.com/patents/1088659 · 24 Mar 2004
The solar generator deduces the voltage at which maximum power is delivered by monitoring (17, 19) operating points to deduce the current-voltage characteristic, which allows direct determination (21) of the maximum power point. This voltage is supplied to...
https://drivepatents.com/patents/1089635 · 18 Feb 2004
A power converter is installed for each solar cell, and electric power having a low voltage and a relatively large electric current is input to the power converter, thereby reducing as much as possible the wiring work which greatly raises the cost of an el...
https://drivepatents.com/patents/1101878 · 11 Sep 2002
The output current value of a direct-current power source (1) obtained by low-frequency, minute modulation of the input voltage of a switching converter (2) is detected in a circuit (7b) having an amplification factor switching function that switches the a...
https://drivepatents.com/patents/1111859 · 4 Jul 2001
A power converter system includes: a circuit breaker (3a) having one terminal connected to a power system and another terminal connected to a load (20); a transformer (6a) for interconnection; a power converter (30); and a controller (50) for controlling t...