Due to the limitations of current studies on the aerodynamic characteristics of iced conductors—which are mostly based on static or uniform flow fields—this paper aims to reveal the nonlinear coupling mechanisms among turbulence parameters (turbulence intensity, mean wind speed) in actual turbulent wind fields, icing morphology (thickness, attack angle), and the dynamic aerodynamic response of conductors, thereby providing a theoretical basis for the anti-vibration design of transmission lines. A dynamic flow field model is constructed using Fluent, and different turbulent environments (turbulence intensity from 0 to 15% and mean wind speed from 1 to 5 m/s) are simulated through pulsating wind speed time-series control. Combined with variations in icing thickness (5 to 20 mm) and attack angle (30°to 45°), the dynamic aerodynamic characteristics of iced conductors are systematically analyzed. The study shows that an increase in turbulence intensity significantly enhances the instantaneous amplitude of aerodynamic fluctuations while suppressing their mean value; when the mean wind speed exceeds a critical value (2 m/s), the mean lift coefficient rebounds while the drag coefficient continuously decreases; when the icing thickness increases to 15 mm, the direction of lift reverses and the drag increases linearly; near an attack angle of 45°, the lift coefficient abruptly reverses while the drag continues to increase. These findings provide a theoretical foundation for analyzing the mechanisms of dynamic aerodynamic instability and for optimizing the anti-vibration design of transmission lines.