Static Mechanical Properties and Modal Analysis of a Kind of Lift-Drag Combined-Type Vertical Axis Wind Turbine

Table 1

Basic structural parameters of LD-VAWT.

Name	Symbol	Value
Rated power [kW]	P	3
Rated wind speed [m/s]	V	10
Wind rotor diameter [mm]	d	4000
Wind rotor height [mm]	H	5200
Number of main blades	N	3
Chord length of main blade [mm]	c	400
Airfoil of main blade	—	NACA0018
Attack angle of main blade [°]	β	0
Drag rotor diameter [mm]	d	700
Drag rotor height [mm]	h	2600
Mounting position of drag rotor [mm]	S	250