Combined Vector Control and Direct Power Control Methods for DFIG under Normal and Unbalanced and Distorted Grid Voltage Conditions

被引：0
作者：
Zarei, Mohammad Ebrahim [1 ]
Asaei, Behzad [1 ]
机构：
[1] Univ Tehran, Coll Engn, Sch ECE, Tehran, Iran
来源：
4TH ANNUAL INTERNATIONAL POWER ELECTRONICS, DRIVE SYSTEMS & TECHNOLOGIES CONFERENCE (PEDSTC 2013) | 2013年
关键词：
doubly fed induction genarator (DFIG); direct power control (DPC); vector control (VC); unbalanced and distorted grid voltage conditions; FED-INDUCTION-GENERATOR; WIND-ENERGY GENERATION; TURBINES; SYSTEMS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a new control method for rotor side converter (RSC) and grid side converter (GSC) of doubly fed induction generator (DFIG) is proposed. Using the main principle of vector control (VC) and direct power control (DPC) results in a new control strategy for the RSC. Instead of using DPC strategy for the GSC, a direct current control is applied. Under the unbalanced and distorted grid voltage conditions, the new control strategy injects a pure sinusoidal and balanced stator and GSC currents without any need of extracting the negative sequence and 5th and 7th voltage harmonics. Only a modified phase locked loop (PLL) to extract the positive sequence of the fundamental phase angle, is added to this situation. The accuracy of the proposed control strategy for 2 MW DFIG under normal and unbalanced and distorted voltage conditions is evaluated in MATLAB/SIMULINK environment and results are compared with DPC strategy.
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收藏
页码：107 / 112
页数：6
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