Method and system for inhibiting icing of wind turbine blades

By using an ultrasonic sensor array and heating device on wind turbine blades, and combining multi-source data for icing prediction and pattern matching, precise de-icing of wind turbine blades by zone and grade is achieved, improving adaptability and energy efficiency ratio, and solving the problems of icing response lag and high energy consumption in existing technologies.

CN121497567BActive Publication Date: 2026-07-24HUANENG JILIN CLEAN ENERGY POWER GENERATION CO LTD TONGYU BRANCH +2
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUANENG JILIN CLEAN ENERGY POWER GENERATION CO LTD TONGYU BRANCH
Filing Date
2025-12-29
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing technologies are insufficient for precise, zoned, and graded control of icing on wind turbine blades, lacking early prediction and prevention capabilities, resulting in inadequate adaptability and energy efficiency.

Method used

By employing an ultrasonic sensor array and heating device, combined with weather and environmental data, and through inverse distance weighted processing and an icing prediction model, the system adaptively selects de-icing modes, including icing suppression, rapid de-icing, zoned de-icing, and ultrasonic de-icing, to achieve closed-loop control throughout the entire process.

Benefits of technology

It improves the adaptability and energy efficiency ratio of wind turbine blade de-icing, and realizes precise control from icing early warning to zoned suppression and removal, solving the problems of response lag and high energy consumption of traditional methods.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121497567B_ABST
    Figure CN121497567B_ABST
Patent Text Reader

Abstract

The application discloses a wind turbine blade icing inhibition method and system, and relates to the technical field of wind power generation. The method comprises the following steps: acquiring weather data and environmental state data of a region where a wind turbine is located, a current icing state, and an icing thickness at each sensor in an ultrasonic sensor array; performing inverse distance weighting processing according to the icing thickness at each sensor in the ultrasonic sensor array to obtain an icing area; performing icing prediction according to the weather data and the environmental state data to obtain an icing prediction probability; determining a corresponding deicing mode according to at least two of the icing prediction probability, the current icing state and the icing area; and controlling the ultrasonic device and / or a heating device to inhibit icing on the blade according to at least two of the deicing mode, the icing thickness and the icing area.
Need to check novelty before this filing date? Find Prior Art