Q. Wind turbines require regular maintenance.

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Q. Offshore wind turbines are not erected in water bodies.

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Q. What are wind energy conversion systems designed for?

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Q. Which of the following is a part of a general wind energy conversion system?

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Q. What are the two types of gear boxes used in wind turbine?

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Q. What are parallel shaft gears?

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Q. What is a planetary shaft gearbox?

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Q. Parallel shaft gearbox is used in small turbines.

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Q. Planetary shaft gearbox is not used in large turbines.

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Q. Power generation contains ________

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Q. What is a fixed speed WECS?

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Q. Fixed speed WECS are equipped ________ generators.

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Q. How is the speed varied in limited variable speed WECS?

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Q. Which generator is used in variable speed WECS?

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Q. Which of the following components are used as converters in power electronics converter?

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Q. What is the function of rotor side converter?

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Q. What is the function of grid side converter?

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Q. What is sub-synchronous mode in doubly-fed induction generator (DFIG)?

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Q. What is super-synchronous mode in doubly-fed induction generator (DFIG)?

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Q. Which of the following generators are mostly used in WECS?

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