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Study on the Power Frequency Distribution Characteristics for Half-Wavelength Transmission Lines Based on the Frequency-length Factor

In order to analyze the distribution characteristics of voltage and current on the Half-Wavelength Transmission Lines (HWTLs), to obtain the comprehensive impact of various system operating parameters on transmission characteristics, based on the frequency-length factor (FLF), the model of lossy transmission lines is derived. Based on the pole distribution feature of FLF, the power frequency resonance mechanism after short-circuit is revealed. Cases are studied on PSCAD to verify the calculation results, which proves the correctness of the theoretical analysis conclusion and the accuracy of the calculation model.