Analysis of Freezing Treatment of Converter Station Filter in Winter

In the winter warming period, the snow on the equipment under the influence of the temperature difference between day and night is easy to form ice on the surface of the equipment and the insulator, which affects the insulation performance of the equipment. In order to ensure the safety of personnel during deicing, it is necessary to clarify the voltage of the icing position and guide the manual deicing work. In this paper, the voltage of each node is calculated through simulation modeling, and the freezing point voltage is obtained. Suggestions for subsequent operation and maintenance are also given.