About 57 results
https://drivepatents.com/patents/1001000 · 27 Jun 2012
A power conversion system (14) for providing power to an electrical grid (22) is described. The system includes a boost converter (24) coupled to a photovoltaic (PV) array (12) and configured to control a PV array voltage. The system also includes an inver...
UPS circuit unit and method for continuous power supply for consumers of a power generation assembly
https://drivepatents.com/patents/1001183 · 20 Jun 2012
The UPS circuit unit (45) has an inductor (49) that is connected with a UPS control circuit (51a). A direct-current power source (26) is connected to a direct-current path (54a). The control circuit is arranged to ensure power supply to the current consume...
https://drivepatents.com/patents/1001664 · 6 Jun 2012
The photovoltaic system (20) has reference solar generator-inverter module (28,30) that is operated at maximum operating point, to generate electric power from solar radiation. The generator-inverter module is operated at throttled operating point, to gene...
https://drivepatents.com/patents/1004508 · 14 Mar 2012
The present invention provides a method of operating a wind turbine including a generator (4) that provides variable voltage at variable frequency and has a stator and a rotor. The wind turbine includes a turbine assembly (2) having at least one blade for ...
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/1006493 · 4 Jan 2012
A control system (34) for controlling a multiphase power converter (12) includes a current control module (40), a voltage control module (100) and a current command selector (33). The current control module (40) generates grid voltage command signals for t...
https://drivepatents.com/patents/1006923 · 21 Dec 2011
A power generating system includes an engine (1), a generator (2), an inverter device (3) interconnected with a commercial power supply (43), and a control device (5) having a phase locked loop circuit (51), which includes an output port (513) connected to...
https://drivepatents.com/patents/1007160 · 14 Dec 2011
A distributed power supply system of the present invention comprises a distributed power supply apparatus (4) for supplying electric power to a customer load (2) interactively with a commercial electric power utility (1); an internal load (7) supplied with...
https://drivepatents.com/patents/1009504 · 14 Sep 2011
An aspect of the invention provides a power converter that enhances conversion efficiency from a DC power to an AC power. A first chopper circuit (5) chops a DC voltage from a photovoltaic panel (1) at a system frequency to produce a first square-wave volt...
https://drivepatents.com/patents/1010918 · 20 Jul 2011
A control system for controlling conversion of an input power into an output power in at least one converter module (27) comprising at least one input power terminal, at least one output power terminal, and for each output power terminal at least one activ...