On-line power transformer winding deformation monitoring method based on Lissajous characteristics
A technology for deformation of power transformers and windings, which is applied in the direction of electric/magnetic solid deformation measurement, electromagnetic measurement devices, etc., and can solve problems such as deformation faults of transformer windings
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[0060] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but it should not be understood that the scope of the subject matter of the present invention is limited to the following embodiments. Without departing from the above-mentioned technical ideas of the present invention, various replacements and changes made according to common technical knowledge and conventional means in this field shall be included in the protection scope of the present invention.
[0061] A method for on-line monitoring of power transformer winding deformation based on Lissajous characteristics, comprising the following steps:
[0062] 1) For load Z L The input of the normal transformer plus the input voltage After that, measure the normal transformer online output voltage Input Current and output current
[0063] 2) For load Z L 'The input terminal of the transformer under test plus the input voltage After that, measure th...
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