Modelling of large-scale wind/solar hybrid system and influence analysis on power system transient voltage stability

2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA) Pub Date : 2017-06-01 DOI:10.1109/ICIEA.2017.8282892

Y. Liu, W. Qin, Xiaoqing Han, Peng Wang

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引用次数: 8

Abstract

With the rapid development of new energy generation, the influence of large-scale wind/solar hybrid system on power system transient voltage stability cannot be ignored. First, large-scale wind/solar hybrid system model is established based on simulation software Power Factory/DIgSILENT in this paper. An advanced control strategy for hybrid model by adding a damping controller in the rotor side of DFIG is proposed. This strategy could improve the fault ride through capability of wind turbines effectively. Second, the effect of large-scale wind/solar hybrid system on transient voltage stability is analyzed in different operation modes. The analysis results show that the effect of wind/solar hybrid system mode on system voltage oscillation is the lowest compared with the wind turbines operating separately mode and PV panels operating separately mode. The stability and safety of the power grid based on the hybrid system are improved. Finally, the efficiency and accuracy of the proposed control scheme are validated by simulation software Power Factory/DIgSILENT.

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大型风能/太阳能混合系统建模及对电力系统暂态电压稳定性的影响分析

随着新能源发电的快速发展，大型风电/太阳能混合系统对电力系统暂态电压稳定性的影响不容忽视。首先，本文基于仿真软件Power Factory/DIgSILENT建立了大型风能/太阳能混合系统模型。提出了在DFIG转子侧增加阻尼控制器的混合模型高级控制策略。该策略可以有效地提高风力发电机的故障穿越能力。其次，分析了不同运行模式下大型风电/太阳能混合系统对暂态电压稳定性的影响。分析结果表明，与风电机组单独运行模式和光伏板单独运行模式相比，风光互补模式对系统电压振荡的影响最小。该混合系统提高了电网的稳定性和安全性。最后，通过仿真软件Power Factory/DIgSILENT验证了所提控制方案的有效性和准确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 12th IEEE Conference on Industrial Electronics and Applications (ICIEA)

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