Transformer fault detection method
A technology for transformer faults and detection methods, which is applied in the fields of instruments, measuring electricity, measuring devices, etc., can solve the problems of inability to diagnose fault types and fault point locations, inability to detect transformer electrical parameters, and inability to actively prevent faults, etc., to reduce difficulty and Time spent, improved safety and maintainability, and the effect of a wide range of protection
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[0026] The transformer fault detection method of the present invention is described by taking the detection of the Dd0y11 transformer as an example, and the implementation is as follows:
[0027] Step 1. The establishment of a transformer model includes the following steps: select the system simulation software MATLAB to develop a transformer fault model for the following types of transformer faults. The selected transformer fault types include: external open circuit fault, internal open circuit fault, short-to-ground fault, turn-to-ground short-circuit fault , Turn-to-turn short-circuit fault, external phase-to-phase short-circuit fault and internal phase-to-phase short-circuit fault. The debugging computer downloads the transformer fault model to the dSpace semi-physical simulation platform to generate analog transformer line voltage and line current waveforms for development, debugging and verification. See development, debugging and verification platform figure 1 , See the sc...
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