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:
Jul. 14, 2026
Filed:
Sep. 27, 2021
Xinjiang Goldwind Science & Technology Co., Ltd., Urumqi, CN;
Lei Wu, Beijing, CN;
GOLDWIND SCIENCE & TECHNOLOGY CO., LTD., Urumqi, CN;
Abstract
The present disclosure provides a wind turbine, a converter, and a low-voltage ride-through detection method and device. The low-voltage ride-through detection method includes: determining an adjustment value of a preset parameter of a power grid on the basis of a power grid voltage, wherein the preset parameter includes at least one of a current, a current frequency and a power factor angle; adjusting the preset parameter of the power grid on the basis of the adjustment value; and detecting, on the basis of a power grid voltage after the preset parameter of the power grid is adjusted, whether the power grid meets a low-voltage ride-through condition. Therefore, a power grid fault of the wind turbine in a weak grid can be accurately identified, so as to enter a low-voltage ride-through state, thereby avoiding system instability in the process of a power grid fault ride-through in the weak grid.