A fault area diagnosis method and system for AC/DC hybrid power grid based on LSTM
A technology of AC-DC hybrid connection and fault area, which is applied in the directions of fault location, neural learning method, information technology support system, etc. It can solve the problem of affecting the accuracy of fault diagnosis, difficulty in setting model parameters, and inability to effectively apply to AC-DC hybrid power grids, etc. question
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[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0040] An embodiment of the present invention provides an LSTM-based method for diagnosing a fault region of an AC / DC hybrid power grid, including:
[0041] Step 1. Construct a time-domain simulation model of the AC-DC hybrid power grid, simulate and obtain the voltage amplitude data of the entire network nodes under various operating conditions, and mark the labels corresponding to the fault co...
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