Under the goal of"carbon peak、carbon neutrality",the proportion of clean renewable energy in all energy will be increasing,of which wind power as one of the mature technologies plays an important role.In order to solve the problem of reliable integration of wind farms into the power grid,long-distance transmission of clean energy and complementary advantages of resources,a detailed scheme of wind farm access system is proposed.Through the calculation and analysis of wind energy absorption,short-circuit current including energy storage and short-circuit ratio of new energy multiple stations by increasing the bearing capacity in the single-access scheme,the influence of wind energy instability on the power grid is reduced,the power grid is safe and stable operation,and the clean attribute of wind power is fully utilized.Finally,an onshore wind farm access system in Shanghai is taken as an application example.
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