About 5 results
https://drivepatents.com/patents/977871 · 5 Mar 2014
The invention relates to a multilevel electronic power converter for n output voltage levels with a positive branch (POS) with a positive DC voltage terminal (1), a negative branch (NEG) with a negative DC voltage terminal (2), and an AC voltage terminal (...
https://drivepatents.com/patents/1002337 · 16 May 2012
Optimizes the operation and control of electric generators against events produced in the power grid, such as voltage dips or overvoltages, comprising the following steps: detecting that the DC bus voltage level (V bus ) (301) exceeds the maximum operating...
https://drivepatents.com/patents/1005814 · 1 Feb 2012
Electric circuit for converting direct into alternating current specially designed for photovoltaic systems connected to the electrical grid without a transformer, and enabling the earthing of one of the input terminals (2) of the photovoltaic generator, t...
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/1016111 · 2 Feb 2011
The invention relates to wind turbines provided with doubly fed induction generators and with at least one power converter which is novel in that, under certain circumstances, it enables the turbine to operate as a full converter (FC)system, as a doubly fe...