Fault diagnosis method of traction transformer based on model diagnosis
A traction transformer and fault diagnosis technology, applied in the direction of instruments, measuring electrical variables, measuring devices, etc., can solve problems such as effective and comprehensive diagnosis and inability to diagnose faults of traction transformers, achieve objective and accurate diagnosis results, and overcome the collection of experience and knowledge. Difficulty, the effect of meeting real-time requirements
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] figure 1 It is the process of fault diagnosis for the actual traction transformer, and its specific process is as follows: figure 2 shown.
[0022] figure 2 It is a standard flowchart of traction transformer fault diagnosis based on model diagnosis. figure 2 Among them, the traction transformer fault diagnosis method based on model diagnosis includes:
[0023] Step 1: According to the structure of the traction transformer, an abstract model of the traction transformer structure is established to obtain a diagnosis system;
[0024] The phase voltage and phase current of the transformer are used as system model variables to describe the connection relationship of each winding. Abstract model with layered structure: the first layer establishes small component models to describe the normal behavior of small components; the ...
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- IPC
- G01R31/00
- Inventors
- 刘志刚; 高松