|Offshore Wind Power Systems
of Texas llc
Titan Wind Turbine Platform
Wind turbine foundations using piles driven into the ocean floor have been used to support wind turbines in
shallow waters but these structures present many problems as the water depth increases. The Titan Wind
Turbine Platform was created to economically support a single wind turbine in water depths greater than
approximately six fathoms (48 feet). By using proven design methods for designing jack-up drilling rigs and
using newly patented jacking technology the Titan Wind Turbine Platform was designed to incorporate many
advantages. Since the Titan Wind Turbine Platform is capable of floating with the wind turbine installed on
the platform and the legs retracted, the platform and wind turbine may be completely assembled and tested at
the shipyard where the unit has been constructed.
Then it can be towed to the predetermined location and put into service. During the transportation phase the
platform must act as a barge or ship and must be designed to have adequate stability while floating with the
legs in the raised position.The shape of the hull is designed to provide stability by having the floatation
compartments located at the ends of each leg of the “Y” shaped hull. The trusses near the center of the
platform provide an economical structure to connect the buoyancy compartments and support the wind
turbine. The size of the hull is designed to provide sufficient righting arm for stability. Transporting the platform
during high waves and wind requires the metacentric height of the floating platform with the wind turbine to be
higher than the center of gravity of the unit, therefore providing sufficient righting arm moments to keep the
After transporting the platform to the desired location, the footings are flooded and the legs are lowered to the
sea floor. The platform is then raised a few feet above the water surface and the preload tanks filled with water.
This preloading of the footings provides a vertical force on the footings which is greater than any load
generated by wind on the platform and wind turbine, waves and current.
The footings are spread apart to provide sufficient stability from overturning of the platform during high wind,
wave and current. When the footings have been preloaded, the fins on the bottom of the footings are immersed
into the sea floor. These fins provide resisting forces to keep the platform from moving laterally.
The shape and size of the footings is very important. If the footings are too small, the footings will penetrate too
far into weaker soils. If the footings are too large, the footings will not penetrate into the sea floor far enough to
provide sufficient lateral resistance to keep the platform stationary. The size of the footings for the Titan Wind
Turbine Platform has been determined from experience in designing footings for jack-up drilling rigs and is the
proper size to function properly in most sea floor soils.
After preloading the footings, the platform is raised to the desired elevation. This elevation places the bottom
of the hull above any wave height for this location. The location of the footings and the weight of the platform
and turbine provide sufficient stabilizing forces against the overturning forces to keep the platform from
One of the advantages of the Titan Wind Turbine Platform is that it can be moved to another site. Or, if the
wind turbine requires major repairs the legs of the platform may be raised and the platform may be towed to a
dock or repair yard. After the necessary repairs are made, the platform can be returned to its previous location
or towed to another location. Therefore, expensive crane barges to facilitate repairs at sea are eliminated.
Wind turbine locations in shallow water are usually close to land and highly visible from land.
The Titan Wind Turbine Platform is designed for deeper water depths and is intended to be located further out
to sea. Therefore, they are less visible to people on shore. If the platform is placed about six miles from shore
the curvature of the earth hides the platform and the tips of the wind turbine blades would be practically
The hull design shall conform to the standards of the American Bureau of Shipping and, as demonstrated by
jack-up drilling rigs, have a life span of over twenty-five years. The life span of wind turbines is reported to be
approximately the same length of time making the design compatible.
Since energy from wind turbines is a renewable power source, and because fossil fuels are becoming more
expensive to obtain, energy from wind turbines will be in greater demand,. The Titan Wind Turbine Platform
has many advantages over shallow water wind turbine platforms and can be located on larger areas of the
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