Model
W03
Testimonials.
In
the end, it is what our customers say that really matters.
Here are the comments of some of them:
Johnny
Hanekom, Keetmanshoop, Namibia: The two (2) machines that I've bought, exceed all my expectations
as far as power generation is concerned. I am really pleased
with their performance, and I am planning to buy the third
unit.
Johnny
van der Linde, Groblershoop: We
are retired on our farm outside Groblershoop, and have
always experienced a shortage of electricity from the
solar panels we had. With our Winglette wind generator
now installed, we are seeking ways to utilize the abundance
of power that available now! |
|
————How
it works...
As
a power source, wind energy varies almost all the time as
the speed of the wind changes. The Winglette wind
turbine is designed to extract this power, as it varies,
as efficient as possible at a cost that is as competitive
as most other energy sources.
The Winglette is
a horizontal-axis, upwind, propeller type, machine. It captures
the kinetic energy of the wind and converts it into electricity suitable
for your residence or other system
that needs to be electrified. Look at the following drawing
of the machine:
- The Winglette wind
turbine consists of a three blade rotor, a generator, a
main frame, and a tail.
- This
machine is mounted on top of a suitable tower and has a
power supply cable that runs down the tower center and
connects the wind generator via a controller to a battery
bank.
- The
power stored in this battery bank can than be directed
via a inverter to a house or facility that needs to be
supplied with electricity.
- Its
blades are manufactured out of fiberglass with a highly
polished UV-stabilized finish. Their uniquely designed
airfoils aims to produce energy at optimum efficiency at
low to medium wind speeds.
- The
rotor is fitted with a parabolic fiber glass nose cap.
It does not only add to the aerodynamic efficiency of the
blades, but finishes the center part of the rotor with good looks.
-
The
rotor with the nose cap is mounted onto the Winglette's
permanent magnet alternator. This alternator can operate
at 36Volt, 48Volt, 120Volt or 240Volt, and produces its
maximum power at about 450 revolutions per minute.
- The
support housing of the alternator is fitted onto a turntable
which turns the head of the machine in and out of the wind
as required. The turn table rotates in long lasting pre-lubricated
nylon bearings.
- Onto
the head of the machine, is fitted a tail that steers the
head of the machine into the wind under normal wind conditions.
When wind speeds reaches 50 to 60 kilometers per hour,
the tail furling mechanism pulls the head gradually out
of the wind, thus protecting the machine from over speeding
and storm wind damage.
- One
can also stop the machine by applying the mechanical brake.
One activates the winch that is mounted at the foot of
the tower. This acts on the tail which pulls the complete
head side ways to the wind direction.
- To
stop the rotor totally from rotation, one can now apply
the electrical short circuit brake
switch.
- The
power cable of the machine is suspended in the center of
the turn table mast pipe. It is fitted with a quick release anti-coil
connecting box which
is mounted at eye level in the tower.
- The
Winglette can be fitted onto any suitable stand alone,
or guy wired tower. Special care should be taken to install
the machine on a tower with a sufficient height. To
low a tower, is sometimes the main reason why people are
disappointed in the power production of their wind generator.
- The controller rectifies
the input three phase alternating current (AC) from the
wind generator, to direct current (DC) suitable for charging
the battery bank. It also measurers battery voltage continuously
and dumps excess power to protect batteries from over charging.
- The
power in the battery bank can now be inverted to 110V or
240V AC, at 50Hz or 60 Hz, as required by the system that
is in use.
Print
|
