NDLI: Health condition assessment of wind turbine generators based on supervisory control and data acquisition data

Content Provider	IET Digital Library
Author	Li, Junqing Li, Qiujia Zhu, Jianguo
Abstract	As the running time of a wind turbine generator unit (WTGU) increases, the ageing and wear of its components will be aggravated gradually, which leads to deterioration of its operation condition. In order to ensure the safe and stable operation of WTGU and prolong its service life, it is of great significance to know the health condition of the WTGU and reasonably arrange maintenance. Based on the structure of the WTGU and the operation principle of the wind turbine generator (WTG), the condition assessment indexes of WTG were built, and the factors influencing the assessment index were determined. The relationship function between the assessment indexes and their influencing factors was established by using the least square support vector machine, which was used to determine the dynamic limitation of condition assessment index of WTG. The dynamic weight of each assessment index was used to characterise the influence of deterioration degree of different components on WTG conditions. Then the health conditions of WTG were evaluated using a similar cloud and fuzzy comprehensive assessment method separately. Finally, the proposed methods were verified by two examples including a direct-drive permanent magnet wind generator and a doubly-fed wind generator.
Starting Page	1343
Ending Page	1350
Page Count	8
ISSN	17521416
Volume Number	13
e-ISSN	17521424
Issue Number	Issue 8, Jun (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/13/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2018.5504
Journal	IET Renewable Power Generation
Publisher Date	2019-03-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Combinatorial Mathematics Condition Assessment Index Condition Monitoring Control of Electric Power System Data Acquisition Data Acquisition Data Direct-drive Permanent Magnet Wind Generator Fuzzy Comprehensive Assessment Method Fuzzy Set Theory Health Condition Assessment Influencing Factors Maintenance And Reliability Maintenance Engineering Operation Condition Operation Principle Permanent Magnet Generator Power Generation Control Running Time Safe Operation Stable Operation Supervisory Control Support Vector Machine TurboGenerator Wind Power Plant Wind Turbine Wind Turbine Generator Unit WTG Condition WTGU
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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