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基于数字孪生与多算法融合的风电并网故障调度

Fault Dispatch of Wind Power Grid Integration Based on Digital Twin and Multi-Algorithm Fusion

  • 摘要:
    目的 为响应“双碳”目标与新型电力系统的智能化需求,提出了一种基于数字孪生与生成式人工智能的DRL-MLP-OBS-GAN(深度强化学习-多层感知机-最优外科手术-生成对抗网络)四重融合算法。
    方法 首先,通过构建风电系统数字孪生模型,实现物理实体状态的实时映射;然后,运用GAN模拟多源干扰下的极端故障场景,以增强数据的多样性和模型的泛化能力;同时,结合MLP-OBS优化静态特征提取与模型轻量化,并引入DRL的动态决策机制,实现自适应的故障调度策略;此外,创新性地融入时空图卷积网络(ST-GCN),以解析风机的拓扑关系与故障传播路径,进而提升多回路协同效率。
    结果 在广东某海上风电场的实际应用中,该算法在521次故障测试中预测准确率高达97.6%,响应时间达0.62 s,创造年经济效益达64.3万元。
    结论 实验结果表明,该算法为新型电力系统提供了一种虚实融合的标准化故障调度范式,显著提升了电力系统韧性,有助于加速电力行业的绿色转型与智能化升级。

     

    Abstract:
    Objective In response to the goals of carbon peaking and carbon neutrality, alongside the intelligence requirements of the new power system, a quadruple fusion algorithm based on digital twin and generative AI, named DRL-MLP-OBS-GAN (Deep Reinforcement Learning- Multi-Layer Perceptron- Optimal Brain Surgeon -Generative Adversarial Network) is proposed.
    Method First, a digital twin model of the wind power system was constructed, enabling real-time mirroring of physical entity's states. Subsequently, GAN was deployed to emulate extreme fault scenarios under multifaceted disturbances, thereby enriching data diversity and the generalization capability of the model. Simultaneously, MLP-OBS optimized static feature extraction and model light weighting were combined, while the dynamic decision-making mechanism of DRL was introduced to implement adaptive fault dispatch strategies. Moreover, an innovative incorporation of Spatial Temporal Graph Convolutional Networks (ST-GCN) was employed to decipher the topological relationships of wind turbines and fault propagation paths, thereby enhancing multi-loop collaboration efficiency.
    Result In the practical application at a wind farm situated in Guangdong, the algorithm achieves a prediction accuracy of up to 97.6% in 521 fault tests, with a response time of 0.62 s, generates an annual economic benefit of approximately 643 thousand yuan.
    Conclusion Experimental results indicate that the algorithmic provides a standardized paradigm for fault dispatch in new power systems through the integration of virtual and physical elements, significantly enhances the resilience of power systems and facilitates the green transformation and intelligent upgrade of the power industry.

     

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