Power distribution network overcurrent protection method based on deep reinforcement learning
A technology of reinforcement learning and overcurrent protection, applied in neural learning methods, automatic disconnection emergency protection devices, emergency protection circuit devices, etc., can solve problems such as reducing the correlation between samples
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[0071] The invention aims at the problem of misoperation and refusal of line overcurrent protection caused by the overly complex distribution of distributed power sources, and describes this problem as a Markov decision process (MDP), introduces a deep reinforcement learning mechanism, and uses intelligent agents to pass Continuously interact with the grid environment to obtain the optimal dynamic threshold setting strategy.
[0072] Such as figure 1 Shown is a flow chart of a distribution network overcurrent protection method based on deep reinforcement learning, and the method includes steps:
[0073] (1) Start the protection, and judge whether the current quick-break protection operates within a cycle:
[0074] If the current quick-break protection does not operate, there is no need to optimize the setting;
[0075] If the current quick-break protection operates, optimize the fixed value;
[0076] (2) Determine the optimal setting value according to the MA-DDPG algorithm...
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