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.

Date of Patent:
Jun. 27, 2017

Filed:

Dec. 14, 2016
Applicant:

Google Inc., Mountain View, CA (US);

Inventors:

Sangsun Kim, San Jose, CA (US);

Eduardo M. Lipiansky, Danville, CA (US);

Assignee:

Google Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 21/00 (2006.01); H02M 5/04 (2006.01); H02M 1/12 (2006.01); G01R 19/175 (2006.01); G01R 31/42 (2006.01); G01R 19/25 (2006.01);
U.S. Cl.
CPC ...
H02M 5/04 (2013.01); G01R 19/175 (2013.01); G01R 19/2513 (2013.01); G01R 21/006 (2013.01); G01R 31/42 (2013.01); H02M 1/12 (2013.01);
Abstract

Devices and methods for monitoring and determining alternating current (AC) power system parameters are provided. In some implementations, the device can include a processor; and at least one non-transitory computer-readable medium storing computer-executable instructions for implementing a number of components. The components include a monitor configured to: sense an AC line voltage signal and an AC current voltage signal; filter the AC line voltage signal; calculate average AC line voltage and current values based, at least, on a DC voltage and current values corresponding to the AC line voltage and current signals, respectively; determine fundamental AC line voltage and current signals based, at least, on zero crossings of the respective average AC line voltage value and the average AC line current value; and determine one or more AC power system parameters based, at least, on the fundamental AC line voltage signal and the fundamental AC line current signal.


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