Galloping Stability and Aerodynamic Characteristic of Iced Transmission Line Based on 3-DOF

Table 1

Physical parameters of the iced conductor.

Parameters	Notation	Units	Numerical value
Mass per unit length	m	kg/m^3	1.53
Moment of inertia	Jθ	kg m	0.0057
Diameter of bare cable	d	m	27.6 × 10^−3
Span length	l	m	200
Damping ratio in the y, z direction	ζy, ζz		0.005
Damping ratio in the θ direction	ζθ		0.038
Axial rigidity	EA	N	13.3 × 10^6
Horizontal tension	H	N	41.65 × 10^3