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:
Dec. 25, 2018

Filed:

Dec. 17, 2014
Applicant:

University of Cape Town, Cape Town, ZA;

Inventors:

Michel Malengret, Cape Town, ZA;

Charles Trevor Gaunt, Cape Town, ZA;

Assignee:

UNIVERSITY OF CAPE TOWN, Cape Town, ZA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 15/02 (2006.01); H02J 3/06 (2006.01); G06Q 50/06 (2012.01); H02J 3/46 (2006.01); G05F 1/625 (2006.01); H02J 7/04 (2006.01); H02J 3/38 (2006.01); H02J 3/00 (2006.01);
U.S. Cl.
CPC ...
H02J 3/06 (2013.01); G05B 15/02 (2013.01); G05F 1/625 (2013.01); G06Q 50/06 (2013.01); H02J 3/46 (2013.01); H02J 3/381 (2013.01); H02J 2003/007 (2013.01); Y02E 40/76 (2013.01); Y02E 60/76 (2013.01); Y04S 10/545 (2013.01); Y04S 40/22 (2013.01);
Abstract

Systems and methods for injecting power into or extracting power out of a power network are provided. In a method, Thevenin parameters, in the form of at least a Thevenin voltage and a Thevenin resistance, of an equivalent Thevenin circuit are obtained with respect to each wire of the PCC. A total Thevenin power for all the wires is obtained, based on a specific amount of power at the PCC and the obtained Thevenin parameters. The method calculates an optimal current to be injected into or extracted from the PCC so as to inject or extract a specific amount of power. The calculation is based on the total Thevenin power and the Thevenin parameters. The method controls an injection or extraction of current at the PCC in accordance with the optimal current.


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