Present research situation of ice-shedding on icing conductors

Ice-shedding occurs frequently on overhead transmission line in ice area, causing vibration on the line and making it jump up and down violently. In heavy icing areas and long-span cases, the effects of ice-shedding are especially serious. This paper reviewed the research status about t he type of the grid failure caused from ice-shedding, factors affecting the conductor´s ice-shedding, the analysis model and other aspects of prevention and control measures. The research trends based on current research situation study are also proposed to provide a reference for our country´s study on ice shedding.