Transformer extended Debye model parameter identification method based on K-K transformation and spectral line differentiation
A technology for expanding Debye model parameters, applied in the field of transformer extended Debye model parameter identification method, can solve problems such as geometrically equivalent branch parameters, parameter identification results are not unique, etc., to avoid the influence of randomness and human factors , High reliability effect
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[0103] In order to verify the effectiveness and accuracy of the parameter identification method, the extended Debye equivalent model with 6 polarization branches identified in the literature based on FDS measured data is randomly selected for verification. The parameters are shown in Table 1.
[0104] Table 1 Extended Debye model parameter settings
[0105]
[0106] The equivalent model is built by the computer simulation platform and the simulation accuracy is set, and the complex capacitance simulation spectrum is obtained as Figure 5 as shown,
[0107] Firstly, the real and imaginary parts of the complex capacitance are subjected to K-K transformation from the data of the real and imaginary parts of the simulated complex capacitance, and the real and imaginary parts of the complex capacitance are calculated. Subtract the real part of the simulated complex capacitance from the real part of the calculated complex capacitance to obtain the geometric capacitance spectrum; ...
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