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TOWER
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Tubular tower which has a door at the bottom. The door can be used to enter into the tower for operation and maintenance. The door is usually provided with locking arrangement to prevent unauthorized entry of outsiders. All the towers are provided with ladder to climb up to the top so as to do the maintenance. In these towers at certain intervals, platforms are fitted inside the tower for inspection of joints of the tower section. |
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BLADES
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The turbines are provided with three blades. The blades are self supporting in nature made up of Fibre Reinforced Polyester. The blades are mounted on the hub.
The blades are built with aerodynamic brakes that prevent over speed of the wing.
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NACELLE
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The Nacelle is the one which contains all the major parts of a turbine. The nacelle is made up of thick rugged steel and mounted on a heavy slewing ring. Under normal operating conditions the nacelle would be facing the upstream wind direction.
The nacelle is fitted with a cover to protect the parts from climatic damages.
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ROTOR (BLADE) ERECTION
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The Hub is intermediate assembly between the wing and the main shaft of the turbine. Inside the hub, a system to actuate the aerodynamic brake is fitted. The hub is covered with nose cone. |
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MAIN SHAFT ASSEMBLY
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The shaft is to connect the gear box and the hub. Solid high carbon steel bars or cylinders are used as main shaft. The shaft is supported by two bearings. |
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