“交改直”系统交流滤波器投切组合优化策略

doi:10.11930/j.issn.1004-9649.202504051

中国电力 ›› 2025, Vol. 58 ›› Issue (9): 88-96.DOI: 10.11930/j.issn.1004-9649.202504051

“交改直”系统交流滤波器投切组合优化策略

冯轩¹(), 孔祥平²(), 杜晓舟¹, 费骏韬², 张献蒙³, 蒋秋雨⁴(), 李振兴⁵

1. 国网江苏省电力有限公司超高压分公司，江苏南京　211102
2. 国网江苏省电力有限公司电力科学研究院，江苏南京　211103
3. 国网江苏省电力有限公司，江苏南京　210000
4. 三峡大学电气与新能源学院，湖北宜昌　443002
5. 新能源微电网湖北省协同创新中心（三峡大学），湖北宜昌　443002

收稿日期:2025-04-18 发布日期:2025-09-26 出版日期:2025-09-28
作者简介:
冯轩（1992），男，高级工程师，从事特高压直流输电控制保护技术研究，E-mail：fengxuan102@163.com
蒋秋雨（2001），女，通信作者，硕士研究生，从事电力系统继电保护研究，E-mail：1030882360@qq.　　　　　　　　　com
基金资助:
国家自然科学基金资助项目（52077120）。

AC Filter Switching Combination Optimization Strategy for "AC-to-DC" System

FENG Xuan¹(), KONG Xiangping²(), DU Xiaozhou¹, FEI Juntao², ZHANG Xianmeng³, JIANG Qiuyu⁴(), LI Zhenxing⁵

1. State Grid Jiangsu Electric Power Co., Ltd. Ultra High Voltage Branch, Nanjing 211102, China
2. State Grid Jiangsu Electric Power Co., Ltd. Research Institute, Nanjing 211103, China
3. State Grid Jiangsu Electric Power Co., Ltd., Nanjing 210000, China
4. College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China
5. Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, China Three Gorges University, Yichang 443002, China

Received:2025-04-18 Online:2025-09-26 Published:2025-09-28
Supported by:
This work is supported by the National Natural Science Foundation of China (No.52077120).

摘要/Abstract

摘要：

“交改直”直流输电工程能够有效提升输电效率并解决新增线路空间限制等难题，但在实际运行中，交流滤波器的投切操作会引发谐波畸变，影响电能质量。针对这一问题，通过分析现场录波数据，提取了交流滤波器投切过程中的关键特征，并提出了工程优化措施。同时，考虑到工程实际运行方式的局限性和实验条件的限制，基于实际系统参数建立了精细化仿真模型，利用强化学习算法提出了一种交流滤波器投切组合优化策略。仿真结果表明，该策略能够有效降低总谐波畸变率（total harmonic distortion，THD），显著提升系统电能质量，为“交改直”工程的稳定运行提供重要技术支撑。

关键词: 交改直, 交流滤波器, 电能质量, 总谐波畸变率

Abstract:

The "AC-to-DC " high voltage direct current transmission project can effectively improve power transmission efficiency and address challenges such as limited space for new transmission lines. However, during actual operation, the switching of AC filters can cause harmonic distortion, affecting power quality. To address this issue, this paper analyzes field-recorded waveform data, extracts key characteristics during the AC filter switching process, and proposes engineering optimization measures. Additionally, considering the limitations of practical operational methods and experimental conditions, a refined simulation model was established based on actual system parameters. Using reinforcement learning algorithms, an optimized switching strategy for AC filter combinations was proposed. Simulation results demonstrate that this strategy can effectively reduce the total harmonic distortion (THD) and significantly improve system power quality, providing crucial technical sup-port for the stable operation of "AC-to-DC Conversion" projects.

Key words: AC to DC, AC filters, power quality, total harmonic distortion

冯轩, 孔祥平, 杜晓舟, 费骏韬, 张献蒙, 蒋秋雨, 李振兴. “交改直”系统交流滤波器投切组合优化策略[J]. 中国电力, 2025, 58(9): 88-96.

FENG Xuan, KONG Xiangping, DU Xiaozhou, FEI Juntao, ZHANG Xianmeng, JIANG Qiuyu, LI Zhenxing. AC Filter Switching Combination Optimization Strategy for "AC-to-DC" System[J]. Electric Power, 2025, 58(9): 88-96.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202504051

https://www.electricpower.com.cn/CN/Y2025/V58/I9/88

图/表 17

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参数	滤波器分组类型
参数	BP11/BP13	HP24/36	HP3
C₁/μF	2.745	5.5283	5.5358
C₂/mH	2.7515	33/1698	44.2866
L₁/mH	30.5047	2.1213	228.785
L₂/mH	21.7891	0.3535
R₁、R₂/Ω	3000	80	575

参数	滤波器分组类型
参数	BP11/BP13	HP24/36	HP3
C₁/μF	2.745	5.5283	5.5358
C₂/mH	2.7515	33/1698	44.2866
L₁/mH	30.5047	2.1213	228.785
L₂/mH	21.7891	0.3535
R₁、R₂/Ω	3000	80	575

功率 (p.u.)	功率/MW	不同滤波器连接组数
功率 (p.u.)	功率/MW	BP11/BP13	HP24/36	HP3
0.1	120	1	1	0
0.2	240	1	1	0
0.3	360	1	1	0
0.4	480	1	1	0
0.5	600	1	1	0
0.6	720	1	1	1
0.7	840	2	1	1
0.8	960	2	2	1
0.9	1080	2	2	1
1.0	1200	3	2	1

功率 (p.u.)	功率/MW	不同滤波器连接组数
功率 (p.u.)	功率/MW	BP11/BP13	HP24/36	HP3
0.1	120	1	1	0
0.2	240	1	1	0
0.3	360	1	1	0
0.4	480	1	1	0
0.5	600	1	1	0
0.6	720	1	1	1
0.7	840	2	1	1
0.8	960	2	2	1
0.9	1080	2	2	1
1.0	1200	3	2	1

日期	时刻	滤波器操作	类型	BP11/13	HP24/36	HP3
4月27日	19:57	投入	BP11/13	1	0	0
	19:57	投入	HP24/36	1	1	0
	22:47	投入	HP3	1	1	1
4月28日	13:52	投入	BP11/13	2	1	1
	13:53	投入	HP24/36	2	2	1
	13:56	投入	BP11/13	3	2	1
	20:37	投入	HP24/36	3	3	1
	20:38	切除	HP24/36	3	2	1

“交改直”系统交流滤波器投切组合优化策略

AC Filter Switching Combination Optimization Strategy for "AC-to-DC" System

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功率标幺值 (p.u.)	投切顺序
功率标幺值 (p.u.)	BP11/ BP13	HP24/ 36	HP3	BP11/ BP13	HP24/ 36	BP11/ BP13	HP24/ 36	HP3
0.1	1	2	0	0	0	0	0	0
0.2	1	2	0	0	0	0	0	0
0.3	1	2	0	0	0	0	0	0
0.4	1	2	0	0	0	0	0	0
0.5	1	2	0	0	0	0	0	0
0.6	1	2	3	0	0	0	0	0
0.7	1	2	3	4	0	0	0	0
0.8	1	2	3	4	5	0	0	6
0.9	1	2	3	4	5	0	0	0
1.0	1	2	3	4	5	7	0	6

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模态框（Modal）标题

“交改直”系统交流滤波器投切组合优化策略

AC Filter Switching Combination Optimization Strategy for "AC-to-DC" System

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