考虑空调集群需求响应的新能源电力系统分数阶滑模负荷频率控制

doi:10.3969/j.issn.2097-0706.2024.10.003

综合智慧能源 ›› 2024, Vol. 46 ›› Issue (10): 18-25.doi: 10.3969/j.issn.2097-0706.2024.10.003

考虑空调集群需求响应的新能源电力系统分数阶滑模负荷频率控制

江建¹(), 徐峰亮¹, 李小明¹, 孙建超¹, 江华华¹, 张佳昕², 马思源², 杨梓帅²^,^*()

1.国网河南省电力公司信阳供电公司，河南信阳 464000
2.上海电力大学电气工程学院，上海 200090

收稿日期:2024-04-22 修回日期:2024-09-06 接受日期:2024-10-25 出版日期:2024-10-25
通讯作者: *杨梓帅（1999），男，硕士生，从事微电网频率控制方面的研究，18582407350@163.com。
作者简介:江建（1973），男，高级工程师，硕士，从事电力系统频率控制方面的研究，332617175@qq.com
基金资助:
国网河南省电力公司科技项目(B7177023K095)

Load frequency control of renewable energy power systems considering demand response of air conditioning clusters based on fractional-order integral sliding mode

JIANG Jian¹(), XU Fengliang¹, LI Xiaoming¹, SUN Jianchao¹, JIANG Huahua¹, ZHANG Jiaxin², MA Siyuan², YANG Zishuai²^,^*()

1. Xinyang Power Supply Company of State Grid Henan Electric Power Company，Xinyang 464000，China
2. College of Electrical Engineering，Shanghai University of Electric Power，Shanghai 200090，China

Received:2024-04-22 Revised:2024-09-06 Accepted:2024-10-25 Published:2024-10-25
Supported by:
Science and Technology Project of State Grid Henan Electric Power Company(B7177023K095)

摘要/Abstract

摘要：

随着可再生能源的大量接入和负荷需求的不断增长，电力系统安全运行的压力日益增大，新能源电力系统的频率控制问题成为研究热点。针对新能源电力系统中源荷随机扰动造成频率偏差较大的问题，提出考虑空调集群需求响应（DR）的分数阶滑模负荷频率控制策略。首先，建立含风机和空调集群DR的互联电力系统模型；其次，采用分数阶滑模算法控制发电机组的调速器来最小化频率偏差，可以抑制抖振现象并提高电力系统的鲁棒性；此外，利用DR和风机作为辅助设备共同参与频率调节，进一步减小频率偏差；最后，设计3种不同工况，在Matlab/Simulink中进行仿真验证，结果表明所提出的控制策略可以有效降低新能源电力系统的频率偏差，保证电力系统稳定运行。

关键词: 新能源电力系统, 需求响应, 分数阶算法, 滑模控制器, 负荷频率控制

Abstract:

With the extensive integration of renewable energy sources and the continuous increase in load demand， the pressure on the safe operation of power systems significantly intensifies， making frequency control in renewable energy power systems a prominent research area. This study addressed the issue of substantial frequency deviation caused by random disturbances in source-load interactions within renewable energy power systems by proposing a fractional-order integral sliding mode load frequency control strategy that incorporated air conditioning cluster demand response （DR）. First， an interconnected power system model was established， including wind turbines and air conditioning cluster DR. Second， a fractional-order integral sliding mode algorithm was used to control the generator's speed regulator， aiming to minimize frequency deviation， suppress oscillatory behavior， and enhance the robustness of the power system. Furthermore， DR and wind turbines were engaged as auxiliary devices to further mitigate frequency deviations. Finally， three different operational scenarios were designed， and simulations were conducted using Matlab/Simulink. The simulation results showed that the proposed control strategy effectively reduced frequency deviations in the renewable energy power systems， ensuring stable system operation.

Key words: renewable power system, demand response, fractional-order integral algorithm, sliding mode controller, load frequency control

中图分类号:

TK01：TM73

江建, 徐峰亮, 李小明, 孙建超, 江华华, 张佳昕, 马思源, 杨梓帅. 考虑空调集群需求响应的新能源电力系统分数阶滑模负荷频率控制[J]. 综合智慧能源, 2024, 46(10): 18-25.

JIANG Jian, XU Fengliang, LI Xiaoming, SUN Jianchao, JIANG Huahua, ZHANG Jiaxin, MA Siyuan, YANG Zishuai. Load frequency control of renewable energy power systems considering demand response of air conditioning clusters based on fractional-order integral sliding mode[J]. Integrated Intelligent Energy, 2024, 46(10): 18-25.

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参数	数值	参数	数值	参数	数值
K_p_i/s	120	T_p_i	15	r	0.49
T_ch1/s	0.072 8	T_g1/s	0.273	K_ε1	0.3
T_ch2/s	0.072 8	T_g2/s	0.273	K_ε2	0.25
B₁	0.425	B₂	0.347	T_tie‑_ij	0.8
A_r	14	J/(kg·m²)	62 993	ρ/(kg·m^-³)	1.225
U/V	230.94	R₁/Ω	0.003 97	R₂/Ω	0.004 43
X₁/Ω	0.003 76	X₂/Ω	0.053	T_β/s	0.2
H₁	10	H₂	8	D₁	0.6
D₂	0.8

考虑空调集群需求响应的新能源电力系统分数阶滑模负荷频率控制

Load frequency control of renewable energy power systems considering demand response of air conditioning clusters based on fractional-order integral sliding mode

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