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Jharkhand Renewable Energy Development Agency

State Govt. Agency under Department of Energy

WIND PROJECTS

 

Wind energy is renewable source of energy and available all around the globe in abundance. So to harness this natural resource in the best possible way wind turbines are designed. Wind turbine can operate from 14km/hr to 90km/hr of wind speed, and are being vastly used all around the world. The wind power plant is used for the generation of electricity in high wind area with the help of wind turbines. Almost 2% of the solar energy coming to the earth is converted into wind energy. It is due to the uneven heating of the earth surface that causes different low pressure zones and air molecules move from high pressure zone to low pressure zone thus creates the wind. The rotation of the earth and surface irregularities causes the wind to follow a random path all around the earth. This flowing of this wind is extracted at wind power plant to rotate generators that produces electricity.

 

The process of wind-produced electrical generation begins when the force of the wind pushes against the turbines blades, causing them to rotate, creating mechanical energy. The spinning blades, attached to a hub and a low-speed shaft, turn along with the blades. The rotating low-speed shaft is connected to a gearbox that connects to a high-speed shaft on the opposite side of the gearbox. This high-speed shaft connects to an electrical generator that converts the mechanical energy from the rotation of the blades into electrical energy. Spinning between 11 and 20 times per minute, each turbine can generate a maximum 1.5 megawatts of electricity enough to power, on average, more than 500 residential homes.

 

Types of Wind Turbines


Modern wind turbines fall into two basic groups:

  1. Horizontal-Axis Turbines:Horizontal-axis wind turbines (pictured right) are what many people picture when you think of wind turbines. They most commonly have three blades and are operated "upwind," with the turbine pivoting at the top of the tower so the blades faceinto the wind.
  2. Vertical-Axis Turbines:Vertical-axis wind turbines (pictured left) come in several varieties, including the eggbeater-style Darrieus model, named after its French inventor. These turbines are unidirectional, meaning they don't need to be adjusted to point into the wind to operate.

 

Wind turbine components:-

 

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For more:- https://mnre.gov.in/wind

 

 

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Last Updated on: 28-01-2023 16:13:37