一种直驱风机导纳自测方法、装置、电子设备及介质
By injecting disturbance signals into the direct-drive wind turbine and utilizing Fourier transform, the problems of difficult admittance modeling and narrow bandwidth were solved, achieving high-precision, wide-bandwidth admittance measurement and ensuring the stability of the power grid.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NORTH CHINA ELECTRIC POWER UNIV
- Filing Date
- 2026-01-21
- Publication Date
- 2026-07-17
AI Technical Summary
Admittance modeling for direct-drive wind turbines is difficult. Traditional measurement methods rely on internal control parameters and have narrow bandwidth, which cannot meet the requirements for high-precision, wide-bandwidth, and online measurement, thus affecting the stability of the grid-connected system.
By generating a disturbance signal and injecting it into the direct-drive wind turbine, and using the Fast Fourier Transform to obtain frequency domain data, combined with the control models of the grid-side and turbine-side converters, admittance self-testing is achieved, breaking through the modeling limitations of black-box systems.
It achieves high-precision measurement of the admittance characteristics of black-box systems, covering a wide frequency range, and can identify the oscillation risks of grid-connected systems, ensuring the safe operation of the power grid.
Smart Images
Figure CN121676291B_ABST