Abstract
The particularity of lightning flashover failure of wind farm is analyzed, and it is pointed out that the formation mechanism of lightning overvoltage in wind farm collector system is different from that of power system distribution network. On this basis, the mechanism of lightning flashover failure of wind farm collector system is analyzed. The EMTP-RV software is used to simulate the typical lightning over-voltage formation and propagation process of the wind farm collector system. Results show that the fault mechanism of the lightning flashover fault system is analyzed. Finally, it is pointed out that the design scheme of the insulation system of the wind farm collection system should not directly copy the design scheme of the distribution network of the power system.
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