1
Rene Spee, Shibashis Bhowmik, Johan H R Enslin: Performance optimization controller and control method for doubly-fed machines. The State of Oregon Acting by and Through the State Board of Higher Education on Behalf of Oregon State University, Klarquist Sparkman Campbell Leigh and Whinston, August 25, 1998: US05798631 (228 worldwide citation)

A variable speed, constant frequency (VSCF) system utilizes a doubly-fed machine (DFM) to maximize the output power of the system. The system includes a power converter that provides a frequency signal and a current signal to the DFM. The power converter is controlled by an adaptive controller. The ...


2
Power Controller and Power Control Method. November 9, 2017: US20170324319-A1

A power controller for an AC power converter connected in series with a load and receiving power from or delivering power to a power source, the power controller comprising: a radial control block controlling a radial component of an electrical parameter of the AC power converter; and a chordal cont ...