Power Generation Technology ›› 2023, Vol. 44 ›› Issue (4): 565-575.DOI: 10.12096/j.2096-4528.pgt.22050
• Smart Grid • Previous Articles Next Articles
Hongbo LIU1, Yutong YAN1, Xi WANG2, Peng SHI2, Li SUN1
Received:
2022-03-07
Published:
2023-08-31
Online:
2023-08-29
Supported by:
CLC Number:
Hongbo LIU, Yutong YAN, Xi WANG, Peng SHI, Li SUN. A Review of Small Signal Stability Studies of Multi-infeed AC-DC Hybrid System[J]. Power Generation Technology, 2023, 44(4): 565-575.
短路比类型 | 特点 | 不足 |
---|---|---|
多馈入短路比(MISCR)[ | 在SCR的基础上提出,对交流母线电压稳定具有一定的表征作用 | 物理意义不明确,结果保守,不够准确 |
多馈入有效短路比(MESCR)[ | 是ESCR指标的有效扩展,通过节点阻抗矩阵元素反映换流站之间的相互作用,直观性强 | 适用范围不明确 |
广义短路比(GSCR)[ | 基于潮流雅克比矩阵特征值进行计算,具有一般性,与系统强度的关联性更高 | 计算量大 |
多馈入交互有效短路比(MIESCR)[ | 基于MIIF指标反映换流站直流功率-电压特性对系统强度的影响, 应用更广泛 | 精确程度有待提高 |
Tab.1 Index of short circuit ratio of multi-infeed system
短路比类型 | 特点 | 不足 |
---|---|---|
多馈入短路比(MISCR)[ | 在SCR的基础上提出,对交流母线电压稳定具有一定的表征作用 | 物理意义不明确,结果保守,不够准确 |
多馈入有效短路比(MESCR)[ | 是ESCR指标的有效扩展,通过节点阻抗矩阵元素反映换流站之间的相互作用,直观性强 | 适用范围不明确 |
广义短路比(GSCR)[ | 基于潮流雅克比矩阵特征值进行计算,具有一般性,与系统强度的关联性更高 | 计算量大 |
多馈入交互有效短路比(MIESCR)[ | 基于MIIF指标反映换流站直流功率-电压特性对系统强度的影响, 应用更广泛 | 精确程度有待提高 |
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