About 5 results
https://drivepatents.com/patents/999786 · 1 Aug 2012
The invention provides a reactive voltage control system and a reactive voltage control method for a wind power field of the double-fed wind power-generating unit. The system comprises dispatching center equipment, a power management module for the wind po...
https://drivepatents.com/patents/1068502 · 5 Apr 2006
The system (1) has a generator driven by a rotor (10) with a converter (17) for supplying electrical energy via a combination point into an electrical supply network and a control device (18) with a converter controller. The controller has an input connect...
https://drivepatents.com/patents/1069616 · 1 Mar 2006
Relying on a desired quantity variation (DQV) in real power with a first control unit (FCU) (46-1) creates an FCU output quantity. Relying on a DQV in idle power with a second control unit (SCU) (46-2) creates an SCU output quantity. First and second contr...
https://drivepatents.com/patents/1078609 · 13 Apr 2005
A power generation plant (10) comprising a power generating unit (12) that includes at least one first generator, such as an induction generator (20), coupled to at least one synchronous generator (18) having a rotor (22) with a superconducting (SC) coil (...
https://drivepatents.com/patents/1101306 · 2 Oct 2002
A power factor control apparatus comprises a target power factor setting section (9a) which sets a target power factor range of the plurality of power generators (1a, 1b, 1c, 1d) in a fixed cycle, a comparing section (9a) which compares a voltage of a bus ...