What is the primary function of the Wind Turbine Generator (WTG) in a wind power system? 

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SSC JE Electrical 4 Dec 2023 Official Paper II
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  1. To regulate the voltage in the electrical grid  
  2. To store mechanical rotational power 
  3. To generate usable electricity from wind energy 
  4. To control the speed of the wind turbine 

Answer (Detailed Solution Below)

Option 3 : To generate usable electricity from wind energy 
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Explanation:
  • The primary function of a Wind Turbine Generator (WTG) in a wind power system is to generate usable electricity from wind energy.
  • The WTG converts the kinetic energy of the wind into mechanical energy by turning the blades of the turbine.
  • This mechanical energy is then transformed into electrical energy through the generator within the wind turbine.
  • As the blades spin, they drive the generator, producing electricity that can be fed into the electrical grid for distribution.
  • The key role of the WTG is to harness the renewable resource of wind and convert it into a sustainable and clean source of electrical power.
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