EN基于频域功率模分量的风电场送出线路保护方法研究
A Transmission Line Protection Method for Wind Farms Based on Power Modulus Component in Frequency Domain
- 现代电力 2026年43卷第2期 页码：320-330
- 作者机构：
1. 国网伊犁伊河供电有限责任公司, 新疆维吾尔自治区 伊宁市,835000
2. 新能源电力系统国家重点实验室(华北电力大学), 北京市 昌平区,102206
- 作者简介：
[ "熊剑(1968)，男，学士，高级工程师，研究方向为电力系统，E-mail：xiongjian@yl.xj.sgcc.com" ]
[ "斯迪克·买买提(1980)，男，学士，工程师，研究方向为电力系统，E-mail：sidikemaimaiti@yl.xj.sgcc.com" ]
[ "张辉疆(1972)，男，学士，高级工程师，研究方向为电力系统，E-mail：zhanghuijiang@yl.xj.sgcc.com" ]
[ "黄擎(1982)，男，学士，高级工程师，研究方向为电力系统，E-mail：huangqing@yl.xj.sgcc.com" ]
[ "张超(1976)，男，学士，高级工程师，研究方向为电力系统，E-mail：zhangchao@yl.xj.sgcc.com" ]
[ "周保军(1968)，男，学士，高级工程师，研究方向为电力系统，E-mail：zhoubaojun@yl.xj.sgcc.com" ]
[ "陈久奇(1987)，男，硕士，高级工程师，研究方向为电力系统， E-mail：75455646@qq.com" ]
[ "花凤(1987)，女，硕士，工程师，研究方向为电力系统，E-mail：869988496@qq.com" ]
[ "张宇锋(1999)，男，硕士，研究方向为电力系统保护，E-mail：2156405484@qq.com" ]
[ "聂珍存(1999)，男，硕士，研究方向为分布式能源系统保护与控制，E-mail：niezhenncepu@163.com" ]
[ "马静(1981)，男，博士，教授，通信作者，研究方向为电力系统稳定分析、稳定和控制等，E-mail：hdmajing@163.com" ]
- 基金信息：国网伊犁伊河供电有限责任公司科技项目(新能源集中外送区域电网故障保护与控制技术研究 (DG30YH220001))。
DOI：10.19725/j.cnki.1007-2322.2023.0355
中图分类号： 2-
纸质出版：2026
- 稿件说明：
移动端阅览
熊剑, 斯地克·买买提, 张辉疆, 等. 基于频域功率模分量的风电场送出线路保护方法研究[J]. 现代电力, 2026,43(2):320-330.
XIONG Jian, MAIMAITI·Sidike, ZHANG Huijiang, et al. A Transmission Line Protection Method for Wind Farms Based on Power Modulus Component in Frequency Domain[J]. 2026, 43(2): 320-330.
熊剑, 斯地克·买买提, 张辉疆, 等. 基于频域功率模分量的风电场送出线路保护方法研究[J]. 现代电力, 2026,43(2):320-330. DOI： 10.19725/j.cnki.1007-2322.2023.0355.
XIONG Jian, MAIMAITI·Sidike, ZHANG Huijiang, et al. A Transmission Line Protection Method for Wind Farms Based on Power Modulus Component in Frequency Domain[J]. 2026, 43(2): 320-330. DOI： 10.19725/j.cnki.1007-2322.2023.0355.
摘要
针对双馈风电场暂态电气量无法准确解析，导致传统保护方法难以正确判别故障位置，不能正确动作的问题，提出一种基于频域功率模分量的风电场送出线路纵联保护方法。首先，结合风机模型与风场网络拓扑，考虑集电线上所连接各台风机机端电压的差异特征，计算风电场送出短路电流频域模分量，建立双馈风电场故障频域等效模型。在此基础上，根据区内外故障网络拓扑的变化，选取频域功率一模分量构造保护判据。最后，利用RT-LAB平台进行仿真，结果表明所提方法不仅可以实现区内外故障的正确判别，而且具有较好的耐过渡电阻能力，不受故障位置的影响。
Abstract
In view of the fact that the transient electrical quantities in doubly-fed wind farms cannot be accurately analyzed
leading to the issue of incapability of traditional protection methods in correctly identifying the fault location and acting accurately
a longitudinal protection method is proposed for doubly-fed wind farm transmission lines based on power modulus component in frequency domain. Firstly
by integrating the wind turbine model with the topology of the wind farm network and considering the different characteristics of voltages at the terminals of each connected wind turbine on the collector line
the frequency-domain modulus component of the short-circuit current sent by the wind farm is calculated. Consequently
a frequency domain equivalent model for the fault in a doubly-fed wind farm is established. On this basis
combined with the topology changes of the fault network inside and outside the area
we select a one-modulus component to construct a protection criterion for the sum of output power at both ends of the transmission line. Finally
simulation is conducted on the RT-LAB platform to validate the capability of the proposed method in this paper in accurately distinguishing faults inside and outside the zone. Additionally
it exhibits good resistance against transition resistance
remaining unaffected by fault location.
关键词
Keywords
references
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