SRF-PLL对下垂模式下电流源变换器稳定性的影响

电力电子 Pub Date : 2019-12-01 DOI:10.1109/COBEP/SPEC44138.2019.9065733

Eliabe Duarte Queiroz, J. Antenor Pomilio

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引用次数: 1

摘要

采用考虑电压影响的SRF-PLL模型，建立了工作在下垂模式下的电流源变换器的状态空间模型。用两种不同的频率估计对线性和非线性模型进行了仿真。由于频率估计的存在，非线性仿真中产生了不稳定性，并在线性模型中得到了验证。对线性模型和非线性模型进行了比较。

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SRF-PLL Influence on the Stability of a Current Source Converter in Droop Mode

A SRF-PLL model considering voltage influences is used to develop a state-space model of a current source converter operating on droop mode. The linear and non-linear models are simulated with two different frequency estimations. Due to the frequency estimation, an instability arises in the non-linear simulation and it is verified in the linear model. Comparisons are made between the linear and non-linear models.

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电力电子

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