雷击引发常规直流谐波振荡的机理与措施研究Mechanism and Countermeasure of the Harmonic Oscillation Induced by Lightning Strikes in LCC-HVDC System
郭琦;罗超;林雪华;邓丽君;李书勇;黄立滨;
摘要(Abstract):
针对现场某常规直流雷击后产生的谐波振荡问题,分析了其直流谐波振荡特性,通过建立交直流系统谐波传递模型,进一步研究了其产生机理;基于实时数字物理闭环仿真平台,复现现场振荡现象,并对振荡阻尼特性的影响因素进行了分析;提出基于控制优化的谐波振荡抑制措施,在仿真平台上验证了其有效性。研究成果为常规直流工程设计、雷击引发的谐波振荡风险评估及应对策略提供技术支撑。
关键词(KeyWords): 常规直流输电;谐波不稳定;实时仿真;控制优化
基金项目(Foundation): 南方电网公司科技项目(ZBKJXM-20180142)~~
作者(Author): 郭琦;罗超;林雪华;邓丽君;李书勇;黄立滨;
Email:
DOI: 10.13335/j.1000-3673.pst.2020.1122
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