Study on DFIG Stator Turn - to - Turn Short Circuit Considering Control Strategy

被引：0
|
作者：
Li Junqing [1 ]
Tong Zongyi [1 ]
Li Zhonghui [1 ]
机构：
[1] North China Elect Power Univ Baoding, Sch Elect & Elect Engn, Baoding, Peoples R China
来源：
2017 20TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2017年
关键词：
DFIG; Stator inter-turn short-circuit fault; control strategy; the multi - loop theory; LOW-VOLTAGE RIDE;
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：
Stator inter-turn short circuit fault is one of the common faults in Double Fed Induction Generator (DFIG), the mathematical model of the DFIG is established based on the multi - loop theory, and the model of DFIG is built on the MATLAB / Simulink platform under normal condition and different degrees of inter - turn short circuit. The mathematical model of the grid side converter is analyzed to determine the corresponding control strategy, and the concrete given process of the PI regulator parameters is given. Through the simulation analysis of the DFIG under different conditions, the simulation results are consistent with the actual situation, which proves the feasibility of the control strategy. When the stator occurs turns short-circuit, the stator three-phase current is not symmetrical and its corresponding amplitude is increased, there is more obvious 90Hz specific frequency harmonics in rotor-side current FFT.
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页数：6
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