Two-stage Optimal Configuration of Synchronous Condensers Considering Renewable Energy Delivery Capability and Transient Voltage Security

ZOU Shihao; SUN Yining; CAO Yongji; YI Yianlin; LIU Yimin; SUN Jiran

doi:10.20204/j.sp.2026.04011

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Two-stage Optimal Configuration of Synchronous Condensers Considering Renewable Energy Delivery Capability and Transient Voltage Security

更新时间：2026-04-20

- Two-stage Optimal Configuration of Synchronous Condensers Considering Renewable Energy Delivery Capability and Transient Voltage Security
- Vol. 54, Issue 4, Pages: 87-94(2026)
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- DOI：10.20204/j.sp.2026.04011
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- Published：2026
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邹世豪,孙一宁,曹永吉,衣彦霖,刘奕敏,孙记冉.考虑新能源送出能力和暂态电压安全的两阶段调相机优化配置[J].智慧电力,2026,54(4):87-94.

doi:10.20204/j.sp.2026.04011
邹世豪,孙一宁,曹永吉,衣彦霖,刘奕敏,孙记冉.考虑新能源送出能力和暂态电压安全的两阶段调相机优化配置[J].智慧电力,2026,54(4):87-94. DOI： 10.20204/j.sp.2026.04011.

doi:10.20204/j.sp.2026.04011 DOI：

摘要

为应对电网动态无功支撑薄弱导致的新能源消纳受限与暂态电压失稳风险加剧问题，提出了一种两阶段调相机优化配置方法。首先，分析调相机对新能源送出能力和电网暂态电压安全的影响机理，建立计及多馈入短路比约束的新能源送出能力条件。在此基础上，构建两阶段调相机优化配置模型。第一阶段以配置容量最小与新能源送出能力最大为目标，协同优化调相机选址与定容，生成预配置方案；第二阶段建立电网暂态电压安全量化指标，综合考虑扰动下电压暂降幅度与恢复特性，辨识电网暂态电压控制关键区域，并对预配置方案进行优化修正。算例结果表明，所提方法可有效提升新能源送出能力与暂态电压稳定裕度，验证了所提方法的有效性。

Abstract

To address the issues of limited renewable energy integration and increased risk of transient voltage instability caused by insufficient dynamic reactive power support in power grids

a two-stage optimal configuration method for synchronous condensers is proposed. First

the influence mechanisms of synchronous condensers on renewable energy delivery capability and transient voltage security of the grid are analyzed

and the conditions for renewable energy delivery capability are established considering the constraints of multi-infeed short-circuit ratio. On this basis

a two-stage optimal configuration model for synchronous condensers is developed. In the first stage

with the objectives of minimizing configuration capacity and maximizing renewable energy delivery capability

the siting and sizing of synchronous condensers are collaboratively optimized to generate a pre-configuration scheme. In the second stage

quantitative indicators for transient voltage security of the grid are established

and the key regions for transient voltage control are identified by comprehensively considering voltage sag magnitude and recovery characteristics under disturbances

based on which the pre-configuration scheme is optimized and refined. Case study results demonstrate that the proposed method effectively enhances renewable energy delivery capability and transient voltage stability margin

validating its effectiveness.

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references

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