|

|
Rotor
Diameter (m) |
4.0 |
|
Material
and number of the blades |
Reinforced
fiber glass*3 |
|
Rated
power/maximum power
|
3000/3500w |
|
Rated wind
speed (m/s) |
12 |
|
Startup
wind speed (m/s) |
2.5 |
|
Working
wind speed (m/s) |
3~35 |
|
Survived
wind speed(m/s) |
50 |
|
Rated
rotate speed(r/min) |
350 |
|
Working
voltage |
DC48V/240V/350V |
|
Generator
style |
Three
phase, permanent magnet |
|
Charging
method |
Constant
voltage current saving |
|
Speed
regulation method |
Autofurl +
electromagnetic brake |
|
Weight |
85kg |
|
Tower
height (m) |
12 |
|
Suggested
battery capacity |
12V/200AH
Deep cycle battery 12pcs |
|
Life time |
15years |
The
exmork wind turbine products adopt high
magnetic neodymium iron boron material (NdFeB),
the professional magnetic circuit
design, increase the magnetic fields,
thereby enhance the generating
efficiency. Meanwhile, the weight of the
generator is reduced and is the half
weight of the like products of other
manufacturers. Accordingly, this is
easier to install and maintenance.
The
exmork wind turbine blades use the
import FRP(Glass fiber reinforced
plastic),the solid petioles equipped
with steel bushing, put an end to the
blades broken by the wind pressure and
flick out. The surface has the coating,
can prevent freezing and aging. The
wings shape is good and had tested the
wind tunnel test in Sichuan province,
running smoothly and quietly, the
efficiency value Cp can reach to 0.42.
The
special tail vane is in advance partial
angle design, when under the normal
operation can automatic alignment
windward direction, enhance the output
power and at the same time can take
account to both cornering adjust the
speed and the strong breeze protection.
When the wind speed is more than 16m/s,
the blades windward side will folder to
90°with the tail vane. This will make
the blades lost the motive power and
give the purely mechanical automatic
braking function.

The
rear tail could autofurl to
protect the wind turbine
against high wind speed.




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