Abstract

Synchronized cutting-in control strategy and power control strategy after gird-connection of doubly-fed wind power generator is analyzed in detail. Since two different generator control systems are employed between cutting-in moment, a smooth switching strategy is presented, too. Simulating results are shown that the synchronized cutting-in control strategy adopted can meet grid connecting requirement, and switching strategy proposed can accomplish smooth switching control process of rotor exacting voltages with stator currents steadily raising. This research has practical application value.

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