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针对双馈风电机组故障穿越控制模式不清晰，在建立机电暂态模型时采用单一控制模式无法准确反映实际特性的问题，对风机控制器进行了硬件在环测试，得到其在不同电压跌落深度下的故障穿越特性，发现双馈风电机组在低电压过渡期间的无功控制模式为指定无功电流模式，有功控制模式为指定有功电流模式，但电压跌落深度在0~0.7 （p.u.）和0.7 （p.u.）~0.9 （p.u.）时，控制参数存在显著差异。因此，辨识出双馈风电机组分段控制参数，进而建立精确的机电暂态模型，确保模型满足电力系统仿真需求，提高新能源消纳能力和电网安全稳定运行水平。
Abstract：In order to solve the problem that the fault ride-through control mode of double-fed wind turbine is not clear, and the actual characteristics cannot be accurately reflected by using a single control mode when establishing the electromechanical transient model, the hardware in the loop test is carried out on the fan controller, and its fault ride-through characteristics under different voltage drop depths are obtained. It is found that the reactive power control mode of the double-fed wind turbine during the low voltage crossing period are the specified reactive current mode and the active control mode is the specified active current mode. However, there are significant differences in the control parameters when the voltage drop depth is from 0 to 0.7(p.u.), from 0.7(p.u.) to 0.9(p.u.), or above. Therefore, the segmented control parameters of double-fed wind turbines are identified, and an accurate electromechanical transient model is established to ensure that the model can meet the simulation requirements of the power system, and improve the new energy consumption capacity and the safe and stable operation level of the power grid.
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基本信息:
DOI：10.19929/j.cnki.nmgdljs.2023.0034
中图分类号:
引用信息:
[1]刘宇1,丛雨1,郝晓玮2等.基于PSD-BPA的双馈风电机组分段故障穿越特性及控制模式分析[J].内蒙古电力技术,2023(03):8-15.DOI:10.19929/j.cnki.nmgdljs.2023.0034.
基金信息:
内蒙古自治区科技重大专项“适应高比例新能源消纳的储能电站协调运行控制关键技术研究与示范应用”（2021ZD0026）；内蒙古电力（集团）有限责任公司科技项目“基于数模混合仿真的新能源频率电压支撑电网技术研究”（2022-17）