Fault Diagnosis of Rectifier Circuit Based on BP Neural Network

The rectifier circuit model has a strong non-linear.It is usually difficult to make on-line fault diagnosis.Based on BP neural network,a new on-line fault diagnosis method for rectifier circuit is presented.The article takes the example of rectified three-phase circuit.After analyzing the output waveforms of fault circuit and training a BP neural network with the sampling data of fault waveforms,a well training BP neural network is constructed and used to diagnose the fault.The simulation and experiment demonstrate that this method is valid.