Micrometeorology has a decisive influence on the ice formation on transmission line.However

studies on the relation between icing on transmission line and micrometeorology are not sufficient.In this study

simulation test of icing in varying micrometeorological environment was conducted to investigate the relations of ice mass increment with environmental temperature

wind speed

amount of precipitation

and icing time by using the control variate method.Results show that the ice mass increment exhibits quasi parabolic function relations with the environmental temperature

wind speed

and amount of precipitation

respectively

which means that there must exist the most favorable environment temperature

wind speed and amount of precipitation for formation of icing.In addition

the increment speed of icing keeps constant

which is independent of icing time but only relates to variation of the micrometeorological parameters.