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.:
Date of Patent:
Jan. 12, 2021
Filed:
Feb. 08, 2017
Wind Power Technology Center of Gansu Electric Power Company, Qilihe District Lanzhou, CN;
State Grid Corporation of China, Xicheng District, CN;
Gansu Electric Power Company of State Grid, Chengguan District Lanzhou, CN;
Shanghai Jiao Tong University, Minhang District, CN;
Ningbo Wang, Lanzhou, CN;
Liang Lu, Lanzhou, CN;
Kun Ding, Lanzhou, CN;
Shiyuan Zhou, Lanzhou, CN;
Chen Zhang, Minhang District, CN;
Jin Li, Lanzhou, CN;
Zheng Li, Minhang District, CN;
Nianzong Bai, Lanzhou, CN;
Jing Zhi, Lanzhou, CN;
Xu Cai, Minhang District, CN;
Zifen Han, Louzhou, CN;
Youming Cai, Minhang District, CN;
Wind Power Technology Center of Gansu Electric Power Company, Lanzhou, CN;
State Grid Corporation of China, Beijing, CN;
Gansu Electric Power Company of State Grid, Lanzhou, CN;
Shanghai Jiao Tong University, Shanghai, CN;
Abstract
The present disclosure discloses a control system for enhancing a frequency support capability of a wind turbine generator system. The control system includes a wind turbine, a gearbox, an electric generator and a converter. The control system is characterized by further including a supercapacitor energy storage apparatus, which includes a DC-DC converter and a supercapacitor. The converter includes DC buses, and the supercapacitor is electrically connected to the DC buses via the DC-DC converter. The supercapacitor may be orderly charged or discharged according to an operating state of the wind turbine generator system to maintain its operating condition, and has a superior reliability.