The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 1976
Filed:
Mar. 26, 1975
Applicant:
Inventors:
Bimal K Bose, Troy, NY (US);
Paul M Espelage, Ballston Lake, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
321 / ; 307261 ; 328 13 ;
Abstract
A phase shifter circuit generates cycloconverter reference signals for independently and linearly controlling the real power and input power factor or real and reactive power in either polarity. Using the per phase line voltage as a reference phasor, its amplitude and phase are adjusted by a sine-cosine converter, analog multipliers and summing amplifiers. The phase shifter has an almost instantaneous response and can be controlled by polarity reversing dc control signals.