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As the penetration level of wind power increases, displacing conventional power generation with wind power will reduce the inertia of power system and decrease the frequency stability. Energy storage devices with only 5% energy storage of wind farm's rated capacity can produce the same virtual inertia as a same capacity synchronous generator. To reduce the additional costs of individual energy storage...
The transformers often suffer the insulation breakdown accident caused by overvoltage in some wind farms and the problem has become particularly prominent. The switching overvoltage is considered to be an important cause to insulation accident. This paper will establish a wind farm model and research on the relationship between the switching overvoltage and the length of feeder cable and the number...
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