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首页> 外文会议>IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics >The model predictive control strategy for DFIG on subsynchronous oscillation suppression
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The model predictive control strategy for DFIG on subsynchronous oscillation suppression

机译：DFIG模型预测控制策略对离子振荡抑制的影响

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摘要

For the high-power and low-switching-frequency converter applied in wind power, the traditional PI (Proportion Integration) based control strategies have insuperable drawbacks in the issue of the subsynchronous oscillation for the doubly-fed induction generator (DFIG). Based on the necessary mechanism analysis, the adoption of a new strategy, which means the model prediction strategy in this paper, is designed for the rotor subsynchronous current control considering its advantages of suppressing the subsynchronous oscillation, reducing the converter switching frequency and multi-objective optimization ability. In addition, the proposed strategy can effectively improve the dynamic characteristics of DFIG system because PI regulators are eliminated then.
机译：对于在风电中应用的大功率和低开关频率转换器，传统的PI（比例集成）的控制策略在双馈感应发电机（DFIG）的子同步振荡问题中具有可预测的缺点。基于必要的机制分析，采用一种新策略，这意味着本文的模型预测策略，专为转子的离子电流控制而设计，考虑到抑制子同步振荡，减少转换器开关频率和多目标的优点优化能力。此外，所提出的策略可以有效地提高DFIG系统的动态特性，因为PI调节器被淘汰。

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