التفاصيل البيبلوغرافية
| العنوان: |
Mechanism Analysis of the Required Rotor Current and Voltage for DFIG-Based WTs to Ride-Through Severe Symmetrical Grid Faults. |
| المؤلفون: |
Zou, Xudong, Zhu, Donghai, Hu, Jiabing, Zhou, Shiying, Kang, Yong |
| المصدر: |
IEEE Transactions on Power Electronics. Sep2018, Vol. 33 Issue 9, p7300-7304. 5p. |
| مصطلحات موضوعية: |
ROTORS, ELECTRIC potential, SYMMETRY (Physics), ELECTRON tube grids, FAULT indicators (Electricity) |
| مستخلص: |
Doubly-fed induction generator (DFIG)-based wind turbines is prone to suffering from overcurrent during severe grid faults, due to the high electromotive force. To overcome this problem, various fault ride-through (FRT) control strategies are proposed, but they do not theoretically elaborate how to coordinate the rotor current and voltage to ride-through severe grid faults under the limited capacity of the rotor side converter. To fill this gap, a time-domain analysis is presented in this letter. It reveals the fundamental requirements of the rotor current and rotor voltage for DFIG-based WTs to ride-through severe symmetrical faults. Moreover, the analysis results are conductive to understand the existing FRT control strategies and stimulate new FRT method. Finally, the analysis results are validated by simulation and experiment. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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