基于边缘计算的风电群非故意发射超高次谐波抑制策略

doi:10.11930/j.issn.1004-9649.202208056

中国电力 ›› 2023, Vol. 56 ›› Issue (8): 200-206,215.DOI: 10.11930/j.issn.1004-9649.202208056

基于边缘计算的风电群非故意发射超高次谐波抑制策略

李天楚^1,2, 容斌³, 伍智鹏^1,2, 黄珏³, 黄开来³, 杨刚⁴, 易杨⁴

1. 海南电网有限责任公司电力科学研究院, 海南海口 570311;
2. 海南省电网理化分析重点实验室, 海南海口 570311;
3. 海南电网有限责任公司电能计量中心, 海南海口 570311;
4. 福州大学电气工程与自动化学院, 福建福州 350108

收稿日期:2022-08-06 修回日期:2023-05-22 发布日期:2023-08-28
作者简介:李天楚（1988—），女，通信作者，硕士，高级工程师，从事电能质量、电测仪表、电磁环境相关技术研究，E-mail：tianchu_li@126.com;容斌（1991—），男，工学学士，工程师，从事电能计量装置技术、节能技术、电能质量分析与治理研究，E-mail：15103008696@163.com;伍智鹏（1993—），男，工学学士，工程师，从事电能质量分析及治理相关技术研究，E-mail：wuzp969@163.com;黄珏（1988—），女，工学学士，工程师，从事电能计量装置技术、节能技术研发、电能质量分析与治理、用电营销与计量研究，E-mail：viawind@126.com
基金资助:
中国南方电网有限责任公司科技项目（070000KK52200018）；海南电网有限责任公司科技项目（0700002021030103JL00031）

Suppression Strategy of Unintentional Emission Supraharmonic Based on Edge Computing for Wind Farms

LI Tianchu^1,2, RONG Bin³, WU Zhipeng^1,2, HUANG Jue³, HUANG Kailai³, YANG Gang⁴, YI Yang⁴

1. Electric Power Research Institute of Hainan Power Grid Co., Ltd., Haikou 570311, China;
2. Key Laboratory of Physical and Chemical Analysis for Electric Power of Hainan Province, Haikou 570311, China;
3. Electric Energy Metering Center of Hainan Power Grid Co., Ltd., Haikou 570311, China;
4. School of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108, China

Received:2022-08-06 Revised:2023-05-22 Published:2023-08-28
Supported by:
This work is supported by Science & Technology Project of China Southern Power Grid Co., Ltd. (No.070000KK52200018), Science & Technology Project of Hainan Power Grid Co., Ltd. (No.0700002021030103JL00031).

摘要/Abstract

摘要： 针对风电群并网点非故意发射超高次谐波问题，提出了一种风电群并网点非故意发射超高次谐波的抑制机理和基于边缘计算的载波相位优化控制策略。建立了风电网侧变换器的超高次谐波发射模型，分析了考虑汇集线路Bergeron分布参数模型的超高次谐波传播特性。综合考虑风机有功、载波相位等参数对超高次谐波相位的影响，分析了载波相位与风机向并网点注入的超高次谐波相位的量化关系，构建了并网风电系统非故意发射的超高次谐波相位调节模型，提出了通过控制超高次谐波相位对超高次谐波抑制方法。利用边缘计算模式在数据计算及决策方面的低延迟优势，将风电群载波相位优化控制算法部署在风机侧，提出了一种基于边缘计算的风电群非故意发射超高次谐波抑制控制策略。仿真结果表明，所提出的超高次谐波抑制机理和控制策略可以显著抑制风电群并网点的特定次超高次谐波。

关键词: 电能质量, 超高次谐波, 超高次谐波相位, 超高次谐波抑制, 边缘计算, 载波相位优化控制

Abstract: To solve the unintentional emission supraharmonic problem at the grid-connected point of wind farm group, this paper introduces a supraharmonic suppression mechanism and a carrier phase optimization control strategy based on edge computing. Firstly, a supraharmonic emission model is established for the grid-side converter of wind generators and the propagation characteristics of supraharmonic is analyzed with consideration of the Bergeron distribution parameter model. And then, considering the influence of active power, carrier phase, and other parameters of wind generators, the quantitative relationship between the carrier phase and the supraharmonic phase is studied. A phase adjustment model of unintentional emission supraharmonic is constructed for grid-connected wind power systems, and a supraharmonic suppression method is proposed through controlling supraharmonic phase. Finally, taking advantage of the low-latency advantage of the edge computing in data calculation, the optimal control algorithm for the carrier phase of the wind farm group is deployed on the wind generator side, and the unintentional emission supraharmonic suppression strategy is proposed for wind farm group based on edge computing. The simulation results show that the supraharmonic suppression mechanism and control strategy can significantly eliminate supraharmonic at the grid-connected point of wind farm group.

Key words: power quality, supraharmonic, supraharmonic phase, supraharmonic suppression, edge computing, carrier phase optimization control

中图分类号:

TM464

李天楚, 容斌, 伍智鹏, 黄珏, 黄开来, 杨刚, 易杨. 基于边缘计算的风电群非故意发射超高次谐波抑制策略[J]. 中国电力, 2023, 56(8): 200-206,215.

LI Tianchu, RONG Bin, WU Zhipeng, HUANG Jue, HUANG Kailai, YANG Gang, YI Yang. Suppression Strategy of Unintentional Emission Supraharmonic Based on Edge Computing for Wind Farms[J]. Electric Power, 2023, 56(8): 200-206,215.

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基于边缘计算的风电群非故意发射超高次谐波抑制策略

Suppression Strategy of Unintentional Emission Supraharmonic Based on Edge Computing for Wind Farms

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基于边缘计算的风电群非故意发射超高次谐波抑制策略

Suppression Strategy of Unintentional Emission Supraharmonic Based on Edge Computing for Wind Farms

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