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BAND-LIMITED DIFFERENTIATOR FOR GRID APPLIANCE CONTROLLERS

United States Patent Application

20150207528
A1
View the Complete Application at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A method and device for measuring electrical grid data in the presence of noise is disclosed. Noisy frequency data is received from the grid. The noisy data is filtered above a predetermined frequency. The filtered data is differentiated using band-limited differentiator. The data may be filtered and differentiated simultaneously by the band-limited differentiator.
Chassin, David P. (Pasco, WA)
BATTELLE MEMORIAL INSTITUTE (Richland WA)
14/ 539,436
November 12, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with Government support under Contract DE-AC0576RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.