Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2023 , Vol. 57 >Issue 11: 1477 - 1491

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2022.157

New Type Power System and the Integrated Energy

Stepwise Inertial Intelligent Control of Wind Power for Frequency Regulation Based on Stacked Denoising Autoencoder and Deep Neural Network

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  • 1. School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China
    2. School of Electrical Engineering, Southeast University, Nanjing 210096, China
    3. National Key Laboratory for Smart Grid Protection and Operation Control, State Grid Electric Power Research Institute Co., Ltd., Nanjing 211106, China

Received date: 2022-05-13

  Revised date: 2022-09-08

  Accepted date: 2022-11-04

  Online published: 2023-03-10

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Abstract

Stepwise inertial control (SIC) provides a step-increase of power after load fluctuation, which can effectively prevent system frequency decline and ensure the safety of grid frequency. However, in the power recovery stage, secondary frequency drop (SFD) is easy to occur. Therefore, it is necessary to optimize SIC to obtain a better frequency regulation effect. The traditional method has the disadvantages of high calculation dimension and long consuming time, which is difficult to meet the requirements of providing the optimal control effect in different scenarios. In order to realize the optimal stepwise inertial fast control of wind power frequency regulation in load disturbance events, this paper introduces the deep learning algorithm and proposes a stepwise inertial intelligent control of wind power for frequency regulation based on stacked denoising autoencoder(SDAE) and deep neural network(DNN). First, sparrow search algorithm (SSA) is used to obtain the optimal parameters, and SDAE is used to extract the data features efficiently. Then, DNN is used to learn the data features, and the accelerated adaptive moment estimation is introduced to optimize the network parameters to improve the global optimal parameters of the network. Finally, the stepwise inertial online control of wind power frequency regulation after disturbance event is realized according to SDAE-DNN. The simulation analysis is conducted for a single wind turbine and a wind farm in the IEEE 30-bus test system. Compared with the results obtained by the traditional method, shallow BP neural network and original DNN network, it is found that the proposed network structure has a better prediction accuracy and generalization ability, and the proposed method can achieve a great effect of stepwise inertia frequency regulation.

Key words： stepwise inertial control (SIC); secondary frequency drop (SFD); sparrow search algorithm (SSA); stacked denoising autoencoder (SDAE); deep neural network (DNN)

Cite this article

WANG Yalun, ZHOU Tao, CHEN Zhong, WANG Yi, QUAN Hao . Stepwise Inertial Intelligent Control of Wind Power for Frequency Regulation Based on Stacked Denoising Autoencoder and Deep Neural Network[J]. Journal of Shanghai Jiaotong University, 2023 , 57(11) : 1477 -1491 . DOI: 10.16183/j.cnki.jsjtu.2022.157

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