
1.新型电力系统运行与控制全国重点实验室(清华大学电机工程与应用电子技术系),北京市 100084
2.广东电网有限责任公司电力调度控制中心,广东省广州市 510600
Received:22 January 2026,
Revised:2026-04-27,
Online First:06 August 2026,
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姚增慧,董文凯,付聪等.新能源对感应电动机负荷暂态电压稳定性的改善机理分析[J/OL].电力系统自动化, http://dx.doi.org/10.7500/AEPS20260122003.
YAO Zenghui,DONG Wenkai,FU Cong,et al.Mechanism Analysis of Renewable Energy for Improving Transient Voltage Stability of Induction Motor Loads[J/OL].Automation of Electric Power Systems, http://dx.doi.org/10.7500/AEPS20260122003.
姚增慧,董文凯,付聪等.新能源对感应电动机负荷暂态电压稳定性的改善机理分析[J/OL].电力系统自动化, http://dx.doi.org/10.7500/AEPS20260122003. DOI:
YAO Zenghui,DONG Wenkai,FU Cong,et al.Mechanism Analysis of Renewable Energy for Improving Transient Voltage Stability of Induction Motor Loads[J/OL].Automation of Electric Power Systems, http://dx.doi.org/10.7500/AEPS20260122003. DOI:
感应电动机在受端系统负荷中占有较高比例,其故障后吸收大量无功功率会导致系统暂态电压失稳。分布式新能源的接入,为解决此类暂态电压失稳问题提供了新途径。文中通过分析分布式新能源接入后暂态电压稳定边界的变化,深入揭示了分布式新能源改善受端系统暂态电压稳定性的机理,分析了新能源机组低电压穿越控制参数、装机容量和接入位置对暂态电压稳定性的影响规律,并通过电磁暂态仿真验证了该结论的有效性。所提出的理论及方法阐明了分布式新能源改善暂态电压稳定性的作用机制,可为提升实际系统暂态电压稳定性提供理论依据。
Induction motors constitute a high proportion of loads in receiving-end systems
and that they absorb large amount of reactive power after faults would induce transient voltage instability. The access of distributed renewable energy (DRE) provides a novel approach to addressing this kind of transient voltage instability issue. By analyzing the changes in the transient voltage stability (TVS) boundary after the access of DRE
this paper deeply reveals the mechanism of DRE to improve the TVS in receiving-end systems. The impact rules of low voltage ride- through (LVRT) parameters
capacity and location of DRE on TVS are also analyzed. The validity of the conclusions is verified through electromagnetic transient simulations. The proposed theory and method clarify the mechanism of DRE to improve TVS
and further provide a theoretical basis for improving the TVS of practical systems.
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