operation of wind turbines for different generators as follows : 1. If (synchronous) generators is used, there are 3 mod

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operation of wind turbines for different generators as follows :
1. If (synchronous) generators is used, there are 3 modes :
a) direct drive mode.
b) fixed speed mode
c)and variable speed mode
2.If asynchronous (Induction) generators: are used , three different modes that wind turbine generators are put to work :
(a)squirrel-cage generator mode (squirrel-cage generator is used).
(b)variable slip mode (wound-rotor induction generator (WRIG)is used )
(c)variable slip with doubly fed induction generator mode ( (WRIG)is used )
Your homework is to find 2 wind turbines datasheets as follows :
1) 1 datasheet for a wind turbine that uses a "synchronous" generator and to highlight what is its mode of operation .
2) 1 datasheet for a wind turbine that uses an "induction" generator and to highlight what is its mode of operation .