Patent
Wind power grid-connected frequency response abnormity monitoring method and system
Li Qian,Zheng Wanlin +1 more
TLDR
In this article, a wind power grid-connected frequency response abnormity monitoring method and a system is presented. But the method comprises the following steps: obtaining a frequency response curve of a windpower grid connected system; according to a pre-trained frequency response anomaly identification model, identifying whether an anomaly exists in the frequency response or not; if the frequencyresponse curve is abnormal, performing anomaly detection on a plurality of wind driven generators of the wind turbine generator in sequence, recognizing the abnormal wind-driven generators, executingthe system anomaly response emergency measures at the same time, and otherwiseAbstract:
The invention provides a wind power grid-connected frequency response abnormity monitoring method and a system. The method comprises the following steps: obtaining a frequency response curve of a windpower grid-connected system; according to a pre-trained frequency response anomaly identification model, identifying whether an anomaly exists in the frequency response curve or not; if the frequencyresponse curve is abnormal, performing anomaly detection on a plurality of wind driven generators of the wind turbine generator in sequence, recognizing the abnormal wind driven generators, executingthe system anomaly response emergency measures at the same time, and otherwise, continuously recognizing whether anomaly exists in the frequency response curve or not; and withdrawing the abnormal wind driven generator in the wind power grid-connected system. According to the invention, anomaly detection is carried out on the wind power grid-connected frequency response, specific fault equipmentis detected, the fault equipment is maintained, the anomaly detection efficiency is relatively high, and the abnormal frequency is regulated and controlled in time, so that the system frequency response returns to normal.read more
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