论文文献
| 标题: |
用对称法来研究风电低压穿越 |
| 作者: |
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| 所属专业方向: |
风电 |
| 摘要: |
This paper analyzes the behavior of DFIG and
converter in the case of grid fault including symmetrical and
unsymmetrical fault. First, the simple space vector models are
presented to estimate the moduli of DFIG stator voltage in
different grid fault. Then with the symmetrical components
method, the dynamic response of DFIG and converter in grid fault
is analyzed in details, and the equations of grid fault are derived.
According to the equation, the maximum value and it’s occurred
moment of the short-current of DFIG is determined, which can be
used to design crowbar precisely. At last, based on the above
analysis, the design guidelines for grid fault ride-through are
proposed.
Index Terms: DFIG, |
| 关键字: |
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| 来源: |
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