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:
Dec. 16, 2008
Filed:
Dec. 21, 2005
Applicants:
Pao-chuan Lin, Chu Pei, TW;
Yung-fu Huang, Ping Tung, TW;
Tain-syh Luor, Chungho, TW;
Inventors:
Assignee:
Industrial Technology Research Institute, Hsinchu Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An islanding detection method is proposed to overcome the incapability of detecting islanding operations in accordance with prior arts. A distortion for causing a variation of an AC power system is performed, and an AC power system frequency and a voltage variation are detected as the bases for determining the occurrence of an islanding operation.