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. 04, 2001
Filed:
Feb. 12, 2001
Applicant:
Inventor:
Alexander McEachern, Oakland, CA (US);
Assignee:
Power Standards Lab., Emeryville, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/70 ;
U.S. Cl.
CPC ...
G05F 1/70 ;
Abstract
A voltage sag generator for alternating current power systems intentionally creates power quality disturbances. The sag generator has a switch-mode impedance between its input and its output. Varying the duty-cycle of the switch-mode impedance causes voltage sags.