Low-frequency oscillation suppression method based on additional damping control of flexible distribution transformer
The invention discloses a low-frequency oscillation suppression method based on additional damping control of a flexible distribution transformer. The low-frequency oscillation suppression method comprises the following steps: S1, constructing a single-machine infinite bus system comprising the flex...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a low-frequency oscillation suppression method based on additional damping control of a flexible distribution transformer. The low-frequency oscillation suppression method comprises the following steps: S1, constructing a single-machine infinite bus system comprising the flexible distribution transformer and a synchronous generator; s2, constructing a linear state equation of a single-machine infinite bus system comprising a flexible distribution transformer and a synchronous generator; s3, constructing a flexible distribution transformer regulation and control converter additional damping control loop; and S4, constructing a constant direct-current voltage control loop of the energy-taking current converter of the flexible distribution transformer. The invention provides a low-frequency oscillation suppression method based on additional damping control of a flexible distribution transformer, and the method comprises the steps: deducing a linear state equation of a single-machine infin |
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