1kw vertical wind turbine for home roof

1kw wind turbine:
1.low start-up wind speed
2.reliable quality
3.energy-saving
4.long service life
1kw wind turbine:

Description
VH model has small size, and simple design. It fully uses lift force, easily products rated power at low wind speed. 3 Phase Permanent Magnet AC Generator, direct driven, no gearbox, and not need windward.
It has perfect performance. With low rpm of generator; controller can be PWM, on grid; invertor can be pure sina wave with automatic on-grid interface or directly on grid invertor.

Vertical Wind Turbine -- VH Model 1KW
Item/Model
CTV-1KW
Rated Speed (m/s)
8
Rated Power (w)
1000
Working Speed (m/s)
3–25
Rotor Diameter (m)
1.75
OUT DC off grid (v)
48
Blade Length (m)
1.8
Baterry off grid
12V150AH*4
Setup Speed (m/s)
2.5
Height of Tower (m)
6
Generator Type
3 phase permanent magnet,direct driven
Charge Controller
with Automatic Electrical Brake
Pure Sine Wave Inverter
110/220/230v,50/60Hz

The pictures of our VAWT: