光伏高占比系统中储能辅助调频控制策略研究

李铁成; 闫鹏; 胡雪凯; 梁白雪; 曾四鸣; 杨少波

doi:10.19912/j.0254-0096.tynxb.2022-0580

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太阳能学报 ›› 2023, Vol. 44 ›› Issue (8) : 282-291. DOI: 10.19912/j.0254-0096.tynxb.2022-0580

光伏高占比系统中储能辅助调频控制策略研究

李铁成¹, 闫鹏¹, 胡雪凯¹, 梁白雪², 曾四鸣¹, 杨少波¹

作者信息 +

RESEARCH ON ENERGY STORAGE ASSISTED FREQUENCY MODULATION CONTROL STRATEGY IN PHOTOVOLTAIC HIGH DUTY CYCLE SYSTEM

Li Tiecheng¹, Yan Peng¹, Hu Xuekai¹, Liang Baixue², Zeng Siming¹, Yang Shaobo¹

Author information +

文章历史 +

摘要

该文采用超级电容储能辅助光伏机组进行调频,提出一种适用于功率波动、故障扰动引起频率变化场景的储能调频控制策略。该策略在频率处于调频死区或光伏机组处于故障阶段下,光伏机组不参与系统调频;频率偏移量超过调频死区或故障清除后的恢复阶段,储能系统辅助光伏机组向电网提供一次调频功率或惯量支撑功率。经验证,该策略全面增强高占比光伏系统频率稳定性。

Abstract

This paper uses super capacitor energy storage to assist photovoltaic units in frequency modulation, and proposes an energy storage frequency modulation control strategy suitable for the scene of frequency change caused by power fluctuation and fault disturbance. In this strategy, when the frequency is in the frequency modulation dead zone or the photovoltaic unit is in the fault stage, the photovoltaic unit will not participate in the system frequency modulation. In the recovery stage, when the frequency offset exceeds the frequency modulation dead zone or the fault is cleared, the energy storage system assists the photovoltaic unit to provide primary frequency modulation power or inertia support power to the power grid. After verification, the strategy comprehensively enhances the frequency stability of high proportion photovoltaic system.

导出引用

李铁成, 闫鹏, 胡雪凯, 梁白雪, 曾四鸣, 杨少波. 光伏高占比系统中储能辅助调频控制策略研究[J]. 太阳能学报. 2023, 44(8): 282-291 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0580

Li Tiecheng, Yan Peng, Hu Xuekai, Liang Baixue, Zeng Siming, Yang Shaobo. RESEARCH ON ENERGY STORAGE ASSISTED FREQUENCY MODULATION CONTROL STRATEGY IN PHOTOVOLTAIC HIGH DUTY CYCLE SYSTEM[J]. Acta Energiae Solaris Sinica. 2023, 44(8): 282-291 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0580

中图分类号： TM46

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