About 190 results
https://drivepatents.com/patents/1001148 · 20 Jun 2012
A wind turbine generator comprising: an electrical generator configured to generate AC signals, a plurality of power converters operated by a gating signal, each power converter configured to convert the AC signals from electrical generator into fixed freq...
https://drivepatents.com/patents/1001151 · 20 Jun 2012
The micro-inverter (100) has a first decoupling unit (104) connected in parallel to output terminals (102, 103) of a solar panel (101). Two units of four control units (105, 106, 107, 108) are galvanically isolated from each other. Each control unit is con...
https://drivepatents.com/patents/1001445 · 13 Jun 2012
A power generating system (60) includes an energy source (12) coupled to a DC link (28) through a first power converter (14) and a second power converter (16) to couple the DC link to a power grid (22). A first controller (82) in the power generating syste...
https://drivepatents.com/patents/1001424 · 13 Jun 2012
It is described an arrangement for testing an electric power generation system, in particular a wind turbine system, being connected to an utility grid providing a predetermined first voltage, the arrangement comprising: a input terminal (113, 313) for con...
https://drivepatents.com/patents/1002611 · 9 May 2012
A power generation system is provided that implements an efficient, labor-saving system interconnection in which an engine generator system, an external power supply system, and a capacitor are connected in parallel to each other, without the conventional ...
https://drivepatents.com/patents/1002579 · 9 May 2012
A system coordination unit 1 includes a reverse power flow prevention circuit 10. When power output from a fuel cell 6 and/or a secondary cell 7 exceeds power consumed in AC loads and DC loads, the reverse power flow prevention circuit 10 prevents a revers...
https://drivepatents.com/patents/1002830 · 2 May 2012
A system and method for supplying increased frequency supporting current from a doubly fed induction generator (DFIG) (120) to assist in maintaining grid stability is provided. The output capability of a line side converter (168) associated with the DFIG (...
https://drivepatents.com/patents/1002821 · 2 May 2012
Converter control system coupled between a wind turbine generator and the electric power distribution grid, comprising at least two converter modules connected in parallel which are enabled/disabled by out-of-phase pulse-width modulation (PWM) patterns. Th...
https://drivepatents.com/patents/1003057 · 25 Apr 2012
A power system includes a plurality of DC/DC converters and a DC/AC inverter. The plurality of DC/DC converters having outputs electrically connected in parallel for supplying a DC voltage bus to an input of the DC/AC inverter. The plurality of DC/DC conve...
https://drivepatents.com/patents/1003006 · 25 Apr 2012
The invention relates to a multilevel DC/AC converter (1) for producing an output voltage of varying amplitude, comprising a first DC voltage source (11) and a first voltage divider module, connected in series with the first DC voltage source (11), wherein...