电源学报

计及励磁响应特性的同步调相机阻抗建模方法

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李华 ¹ , 陆明璇 ¹ , 李汶铮 ² , 董文凯 ² , 韩震焘 ¹ , 谢小荣 ²

电源学报 | 电力电子变换器建模与控制 2026,24(7): 94-102

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电源学报 |电力电子变换器建模与控制 2026 , 24 (7) : 94 -102

计及励磁响应特性的同步调相机阻抗建模方法

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李华¹, 陆明璇¹, 李汶铮², 董文凯², 韩震焘¹, 谢小荣²

作者信息

^1.国网辽宁省电力有限公司经济技术研究院，沈阳　110000

^2.清华大学电机系，北京　100080

通讯作者:

董文凯（1992—　），男，通信作者，博士，助理研究员。研究方向：电力系统稳定性分析与控制。E-mail：596167281@qq.com。

作者简介:

李华（1986—　），女，博士，高级工程师。研究方向：电力系统规划。E-mail：lh_jy@ln.sgcc.com.cn。

陆明璇（1996—　），女，硕士，助理工程师。研究方向：电力系统规划。E-mail：2870525679@qq.com。

李汶铮（2000—　），男，硕士研究生。研究方向：电力系统稳定性分析与控制。E-mail：1660770123@qq.com。

韩震焘（1986—　），男，硕士，高级工程师。研究方向：配电网规划。E-mail：hrclark@163.com。

谢小荣（1975—　），男，博士，教授。研究方向：电力系统稳定性分析与控制。E-mail：xiexr@tsinghua.edu.cn。

Impedance Modeling of Synchronous Compensator with the Consideration of Excitation Response

Hua LI¹, Mingxuan LU¹, Wenzheng LI², Wenkai DONG², Zhentao HAN¹, Xiaorong XIE²

Affiliations

^1.State Grid Liaoning Electric Power Co., Ltd., Economic and Technological Research Institute, Shenyang 110000, China

^2.Department of Electrical Engineering, Tsinghua University, Beijing 100080, China

出版时间: 2026-07-30 doi: 10.13234/j.issn.2095-2805.2026.7.94

文章导航

摘要

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同步调相机可有效改善新能源接入弱电网引发的振荡问题，但现有面向振荡分析的调相机建模方法大多未考虑励磁调节器的控制作用，应用于低频功率振荡分析时不够准确，导致模型适用范围受限。为此，提出计及励磁响应特性的同步调相机阻抗建模方法。首先建立了同步机通用阻抗模型；然后分析了自并励静止励磁系统对调相机阻抗特性的影响，将励磁模型与同步机模型联立得到调相机整体阻抗模型；最后，通过仿真算例验证了所提方法的有效性。分析结果表明：调相机阻抗在工频附近（对应功率低频）会出现峰值，励磁系统会显著减小该峰值阻抗；自并励静止励磁系统会显著改变工频周围的阻抗，使之呈多峰特征。

关键词

同步调相机 / 阻抗建模 / 励磁系统 / 振荡稳定性

Abstract

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Synchronous compensator can effectively improve the oscillation problem caused by renewable energy connected to a weak grid, but most of the existing regulator modeling methods for oscillation analysis do not take into account the control role of the excitation regulator, which is not accurate enough when applied to the analysis of low-frequency power oscillations, resulting in the limited scope of application of the model. For this reason, a synchronous compensator impedance modeling method that takes into account the excitation response characteristics is proposed. Firstly, a general impedance model of synchronous machine is established. Then, the influence of the self-shunt static excitation system on the impedance characteristics of the compensator is analyzed, and the overall impedance model of the compensator is obtained by associating the excitation model with the synchronous machine model. Finally, the validity of the proposed method is verified by simulation cases, and the analytical results show that: the impedance of the compensator will peak near the industrial frequency (corresponding to low power frequency), and the excitation system will significantly reduce the peak impedance; the self-parallel static excitation system will significantly change the impedance around the power frequency, so that the impedance will be characterized by multiple peaks.

Key words

Synchronous compensator / impedance modeling method / excitation system / oscillation stability

引用本文

李华, 陆明璇, 李汶铮, 董文凯, 韩震焘, 谢小荣. 计及励磁响应特性的同步调相机阻抗建模方法. 电源学报, 2026 , 24 (7) : 94 -102 . DOI: 10.13234/j.issn.2095-2805.2026.7.94

Hua LI, Mingxuan LU, Wenzheng LI, Wenkai DONG, Zhentao HAN, Xiaorong XIE. Impedance Modeling of Synchronous Compensator with the Consideration of Excitation Response[J]. Journal of Power Supply, 2026 , 24 (7) : 94 -102 . DOI: 10.13234/j.issn.2095-2805.2026.7.94

基金

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国网辽宁省电力有限公司科技资助项目(2023YF-148)

参考文献

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2026年第24卷第7期

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文章信息

doi: 10.13234/j.issn.2095-2805.2026.7.94

接收时间：2024-07-30
首发时间：2026-10-29
出版时间：2026-07-30

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出版历史

收稿日期：2024-07-30
修回日期：2024-09-15
录用日期：2024-10-03

基金

Science and Technology Project of State Grid Liaoning Electric Power Supply Co., Ltd.(2023YF-148)

国网辽宁省电力有限公司科技资助项目(2023YF-148)

作者信息

^1.国网辽宁省电力有限公司经济技术研究院，沈阳　110000

^2.清华大学电机系，北京　100080

通讯作者:

董文凯（1992—　），男，通信作者，博士，助理研究员。研究方向：电力系统稳定性分析与控制。E-mail：596167281@qq.com。

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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2026.7.94

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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