基于频率前馈补偿的储能VSG并网有功响应优化策略

兰才华; 石荣亮; 王国斌; 周其锋; 刘维莎

doi:10.19912/j.0254-0096.tynxb.2022-1535

PDF(2348 KB)

太阳能学报 ›› 2024, Vol. 45 ›› Issue (2) : 236-243. DOI: 10.19912/j.0254-0096.tynxb.2022-1535

基于频率前馈补偿的储能VSG并网有功响应优化策略

兰才华, 石荣亮, 王国斌, 周其锋, 刘维莎

作者信息 +

OPTIMIZATION STRATEGY OF GRID-CONNECTED ACTIVE POWER RESPONSE OF GRID-CONNECTED ACTIVE OF ENERGY STORAGE VSG BASED ON FREQUENCY FEEDFORWARD COMPENSATION

Lan Caihua, Shi Rongliang, Wang Guobin, Zhou Qifeng, Liu Weisha

Author information +

文章历史 +

摘要

分析现有基于电磁功率前馈补偿的暂态阻尼方案,该方案可有效抑制储能虚拟同步机（VSG）并网有功的动态振荡,但会因降低其惯量支撑能力而存在频率过冲风险。为此,提出一种基于频率前馈补偿的暂态阻尼优化策略。该策略在不影响储能VSG惯量响应性能的前提下,可有效抑制其并网有功的动态振荡,既能大大减小有功超调,又不会引起频率过冲。最后,建立储能VSG并网系统的Matlab仿真模型与实验平台,仿真与实验测试对比结果验证了所提策略的有效性与优越性。

Abstract

The existing transient damping control scheme based on electromagnetic power feedforward compensation is analyzed, which can effectively suppress the dynamic oscillation of grid-connected active power for energy storage virtual synchronous generator （VSG）, but reduces its inertia support capacity and has the risk of frequency overshoot. In view of this, a transient damping optimization strategy based on frequency feedforward compensation （FFC） is proposed. On the premise of not affecting the inertia response performance of energy storage VSG, the improved transient damping optimization strategy based on FFC can effectively suppress the dynamic oscillation of its grid-tied active power, which can greatly reduce the active power overshoot without increasing the frequency overshoot. Finally, both the Matlab simulation model and the experimental platform of energy storage VSG grid-connected system are established, and the effectiveness and superiority of the proposed transient damping optimization strategy based on FFC are verified by simulation and experimental test results.

导出引用

兰才华, 石荣亮, 王国斌, 周其锋, 刘维莎. 基于频率前馈补偿的储能VSG并网有功响应优化策略[J]. 太阳能学报. 2024, 45(2): 236-243 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1535

Lan Caihua, Shi Rongliang, Wang Guobin, Zhou Qifeng, Liu Weisha. OPTIMIZATION STRATEGY OF GRID-CONNECTED ACTIVE POWER RESPONSE OF GRID-CONNECTED ACTIVE OF ENERGY STORAGE VSG BASED ON FREQUENCY FEEDFORWARD COMPENSATION[J]. Acta Energiae Solaris Sinica. 2024, 45(2): 236-243 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1535

中图分类号： TK514

参考文献

[1] 万千, 夏成军, 管霖, 等. 含高渗透率分布式电源的独立微网的稳定性研究综述[J]. 电网技术, 2019, 43(2): 598-612.
WAN Q, XIA C J, GUAN L, et al.Review on stability of isolated microgrid with highly penetrated distributed generations[J]. Power system technology, 2019, 43(2): 598-612.
[2] 韩肖清, 李廷钧, 张东霞, 等. 双碳目标下的新型电力系统规划新问题及关键技术[J]. 高电压技术, 2021, 47(9): 3036-3046.
HAN X Q, LI T J, ZHANG D X, et al.New issues and key technologies of new power system planning under double carbon goals[J]. High voltage engineering, 2021, 47(9): 3036-3046.
[3] 石荣亮. 多能互补微电网中的虚拟同步发电机(VSG)控制研究[D]. 合肥: 合肥工业大学, 2017.
SHI R L.Research on virtual synchronous generator (VSG) in the multi-energy comple-mentary microgrid [D]. Hefei: Hefei University of Technology, 2017.
[4] WU H, RUAN X B, YANG S, et al.Small-signal modeling and parameters design for virtual synchronous generators[J]. IEEE transactions on industrial electronics, 2016, 63(7): 4292-4303.
[5] ALIPOOR J, MIURA Y, ISE T.Power system stabilization using virtual synchronous generator with alternating moment of inertia[J]. IEEE journal of emerging and selected topics in power electronics, 2015, 3(2): 451-458.
[6] 温春雪, 陈丹, 胡长斌, 等. 微网逆变器的VSG转动惯量和阻尼系数自适应控制[J]. 电力系统自动化, 2018, 42(17): 120-126, 183.
WEN C X, CHEN D, HU C B, et al.Self-adaptive control of rotational inertia and damping coefficient of VSG for converters in microgrid[J]. Automation of electric power systems, 2018, 42(17): 120-126, 183.
[7] 徐海珍, 张兴, 刘芳, 等. 基于微分补偿环节虚拟惯性的虚拟同步发电机控制策略[J]. 电力系统自动化, 2017, 41(3): 96-102.
XU H Z, ZHANG X, LIU F, et al.Control strategy of virtual synchronous generator based on differential compensation virtual inertia[J]. Automation of electric power systems, 2017, 41(3): 96-102.
[8] XU H Z, YU C Z, LIU C, et al.An improved virtual inertia algorithm of virtual synchronous generator[J]. Journal of modern power systems and clean energy, 2020, 8(2): 377-386.
[9] 李明烜, 王跃, 徐宁一, 等. 基于带通阻尼功率反馈的虚拟同步发电机控制策略[J]. 电工技术学报, 2018, 33(10): 2176-2185.
LI M X, WANG Y, XU N Y, et al.Virtual synchronous generator control strategy based on bandpass damping power feedback[J]. Transactions of China Electrotechnical Society, 2018, 33(10): 2176-2185.
[10] 姜静雅, 王玮, 唐芬, 等. 优化储能VSG动态特性的d轴电流微分前馈控制[J]. 电网技术, 2022, 46(7): 2510-2523.
JIANG J Y, WANG W, TANG F, et al.Current differential feedforward control of d-axis for improving dynamic characteristics of energy storage virtual synchronous generator[J]. Power system technology, 2022, 46(7): 2510-2523.
[11] SHUAI Z K, HUANG W, SHEN Z J, et al.Active power oscillation and suppression techniques between two parallel synchronverters during load fluctuations[J]. IEEE transactions on power electronics, 2020, 35(4): 4127-4142.
[12] 颜湘武, 贾焦心. VSG一次调频和转速振荡阻尼的解耦控制方案[J]. 电网技术, 2019, 43(5): 1566-1575.
YAN X W, JIA J X.Decoupling control of primary frequency regulation and rotational speed damping of VSG[J]. Power system technology, 2019, 43(5): 1566-1575.
[13] 王亚维, 刘邦银, 段善旭, 等. 虚拟同步控制的暂态特性优化策略研究[J]. 中国电机工程学报, 2019, 39(20): 5885-5893, 6169.
WANG Y W, LIU B Y, DUAN S X, et al.Research on transient characteristic optimization of virtual synchronization generator control strategy[J]. Proceedings of the CSEE, 2019, 39(20): 5885-5893, 6169.
[14] 兰征, 龙阳, 曾进辉, 等. 考虑超调的虚拟同步发电机暂态功率振荡抑制策略[J]. 电力系统自动化, 2022, 46(11): 131-141.
LAN Z, LONG Y, ZENG J H, et al.Transient power oscillation suppression strategy of virtual synchronous generator considering overshoot[J]. Automation of electric power systems, 2022, 46(11): 131-141.
[15] 兰征, 龙阳, 曾进辉, 等. 引入暂态电磁功率补偿的VSG控制策略[J]. 电网技术, 2022, 46(4): 1421-1429.
LAN Z, LONG Y, ZENG J H, et al.VSG control strategy with transient electromagnetic power compensation[J]. Power system technology, 2022, 46(4): 1421-1429.
[16] 兰征, 刘祖潭, 何东, 等. 基于暂态电磁功率补偿的VSG并联系统有功振荡抑制策略[J]. 电网技术, 2023, 47(1): 23-33.
LAN Z, LIU Z T, HE D, et al.Active oscillation suppression strategy of paralleled virtual synchronous generators based on transient electromagnetic power compensation[J]. Power system technology, 2023, 47(1):23-33.
[17] 石荣亮, 张烈平, 王文成, 等. 基于改进型二阶广义积分器-锁频环的储能变换器惯量模拟方法[J]. 太阳能学报, 2021, 42(12): 428-434.
SHI R L, ZHANG L P, WANG W C, et al.A inertia simulation method based on improved second-order generalized integrator-frequency-locked loop[J]. Acta energiae solaris sinica, 2021, 42(12): 428-434.
[18] GB/T 38983.1—2020, 虚拟同步机第1部分:总则[S].
GB/T 38983.1—2020, Virtual synchronons maohine-Part 1: general[S].
[19] 石荣亮, 张烈平, 王文成, 等. 基于频率微分原理的储能变换器虚拟惯量控制策略研究[J]. 中国电机工程学报, 2021, 41(6): 2088-2101.
SHI R L, ZHANG L P, WANG W C, et al.Research on virtual inertia control strategy for energy storage converters based on a frequency derivative scheme[J]. Proceedings of the CSEE, 2021, 41(6): 2088-2101.