METHOD AND APPARATUS FOR DYNAMICALLY ASSESSING OPERATION STATE OF WIND POWER STATION UNIT, AND ELECTRONIC DEVICE

Title:

METHOD AND APPARATUS FOR DYNAMICALLY ASSESSING OPERATION STATE OF WIND POWER STATION UNIT, AND ELECTRONIC DEVICE

Document Type and Number:

WIPO Patent Application WO/2020/114449

Kind Code:

A1

Abstract:

Disclosed are a method and apparatus for dynamically assessing an operation state of a wind power station unit, and an electronic device, applicable to the technical field of wind power station unit state assessment. The method comprises: preprocessing operation data of a wind power station unit to obtain a data matrix (S110); constructing a dynamic augmented matrix of the data matrix according to a target time-lag length (S120); calculating a covariance matrix of the dynamic augmented matrix by means of a principal component analysis method (S130); calculating the contribution rate of a principal component according to a feature value and a feature vector of the covariance matrix, and selecting the principal component (S140); and determining an operation state of the wind power station unit by means of the principal component (S150). Accordingly, a principal component analysis method is applied to a dynamic process, and a dynamic relationship between variables in operation data of a wind power station unit is analyzed according to a target time-lag length, such that an operation state of the wind power station unit is more accurately and efficiently assessed in real time.

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Inventors:

GUO YUANJUN (CN)
YANG ZHILE (CN)
YU JIANQIANG (CN)
ZHU JUNCHENG (CN)
WANG YING (CN)

Application Number:

PCT/CN2019/123254

Publication Date:

June 11, 2020

Filing Date:

December 05, 2019

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Assignee:

SHENZHEN INST OF ADV TECH CAS (CN)

International Classes:

G06Q10/06

Foreign References:

CN109657943A	2019-04-19
CN105677791A	2016-06-15
CN108572639A	2018-09-25
CN105303468A	2016-02-03
US20130073223A1	2013-03-21

Attorney, Agent or Firm:

SHENZHEN KEJIN INTELLECTUAL PROPERTY OFFICE (CN)

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