That is why wind turbines use induction motors as induction generators. wind turbines can"t make power unless they are connected to live utility lines to provide reactive power. A whole field full of dozens of 2.5MW wind turbines are difficult to connect to the grid. Protection and control "P&C" values for frequency, under voltage, over voltage and over current . Have to be "de-sensitized" , re calibrated to reduce trips . Problem is the turbines are not synced together and thier individual output varies with wind gusts. they will every now and again all either push a burst of power together. Or all hit a lull together. One of the reasons why the utility would rather connect turbines to small 27 , 44, 115 KV lines. Instead of the main distribution backbone of 230 or 500KV lines.
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Today's Featured Article - Stories From Old Farmer - by K. Pratt. Old Farmer, a.k.a. Dale Jensen began posting messages to our discussion forums at the grand age of 75. With extensive knowledge of farming and tractors, he valued the past and the ways that went with it. He shared these values with us until shortly before his passing. I spoke with Dale in his last days and requested his permission to share some of his stories with the readers of our magazine. He agreed, and provided the
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