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- W4285173670 abstract "The rapidly increasing penetration of power electronic equipment has complicated the dynamic characteristics of modern power systems, which has promoted the development of simulation analysis methods for online dynamic security analysis (DSA) systems. Accurate models lay the foundation for online DSA, while the high complexity and low observability of power electronic equipment models hinder the online implementation of conventional model identification approaches. In this paper, we propose an online parameter identification (PI) framework based on deep reinforcement learning (DRL), suitable for power electronic equipment models. The DRL-based online PI formulation is proposed by integrating a model-based online PI and an improved DRL-based PI approach. On this basis, the framework for DRL-based online PI is constructed through tailored design of interfaces and training mechanisms. The DRL agent is able to learn the PI policy offline by constructing a training scenario database and the trained policy can be deployed to realize accurate online identification. Case studies showcase the application of the proposed method on a high-voltage direct current (HVDC) system. Simulation results demonstrate that the proposed method exhibits superior computational advantage, while achieving a similar level of accuracy compared to conventional methods." @default.
- W4285173670 created "2022-07-14" @default.
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- W4285173670 date "2023-05-01" @default.
- W4285173670 modified "2023-09-27" @default.
- W4285173670 title "Toward Online Power System Model Identification: A Deep Reinforcement Learning Approach" @default.
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- W4285173670 doi "https://doi.org/10.1109/tpwrs.2022.3180415" @default.
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