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Electro-Thermal Coupling Power Flow Calculation Considering Meteorological Distribution Along Overhead Transmission Lines

Under operating conditions, the temperature along the overhead transmission lines actually varies due to the different meteorological environments in the region where the grid is located. By introducing the virtual node and line in the traditional electro-thermal coupling power flow calculation to consider the meteorological distribution in the region. Electrothermal coupling power flow calculation considering meteorological distribution(ETCPF -CMD) along overhead transmission lines is proposed. Based on the distribution of meteorological information, this method can realize the distribution of the temperature along the line, so that the electrothermal coupling power flow calculation is closer to the actual. Based on the comparison of grid examples in a certain region, the effectiveness of the proposed method is verified.