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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.:

US 12032369 B1

PDFFull Text
Date of Patent:
Jul. 09, 2024

Filed:

Sep. 14, 2023

Method, software system, server and physical terminal of analytical calculation of power supply reliability indexes of complex power distribution networks with multi-connections

Applicant:

Tianjin University, Tianjin, CN;

Inventors:

Fengzhang Luo, Tianjin, CN;

Nan Ge, Tianjin, CN;

Qiubo Zou, Tianjin, CN;

Tianyu Zhang, Tianjin, CN;

Chengshan Wang, Tianjin, CN;

Jing Xu, Tianjin, CN;

Shengyuan Wang, Tianjin, CN;

Xuan Wu, Tianjin, CN;

Jiacheng Fo, Tianjin, CN;

Xiaoyu Qiu, Tianjin, CN;

Kuangyu Kong, Tianjin, CN;

Assignee:

Tianjin University, Tianjin, CN;

Attorney:
Primary Examiner:

Ronald D Hartman, Jr

Int. Cl.
CPC ...
G05B 23/02 (2006.01); G05B 19/042 (2006.01); G06F 30/13 (2020.01); H02J 3/00 (2006.01);
U.S. Cl.
CPC ...
G05B 23/0283 (2013.01); G05B 19/042 (2013.01); G06F 30/13 (2020.01); H02J 3/00 (2013.01);
Abstract

A method of analytical calculation of power supply reliability indexes of a power distribution network includes (A1) acquiring parameters of the power distribution network; (A2) building a reliability calculation model, which includes treating the power distribution network as a node-branch calculation unit and numbering nodes and branches in the power distribution network; (A3) building correlation matrices, and calculating a power supply path matrix and a tie-line matrix, wherein the correlation matrices are a node-branch association matrix, a section switch matrix and a fuse matrix; (A4) deriving a fault incidence matrix through the power supply path matrix, the section switch matrix, the fuse matrix and the tie-line matrix, and calculating the reliability indexes of the nodes and the power distribution network; and (A5) identifying vulnerable links by performing sensitivity analysis through partial derivative transformation for quantifiable parameters or perturbation transformation for unquantifiable parameters on an expression of the reliability indexes.

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