电力建设2024，Vol.45Issue(7)：144-155,12.DOI:10.12204/j.issn.1000-7229.2024.07.013
考虑混合储能主动参与风光储电站的功率分配与调频策略
Power-Distribution and Frequency-Regulation Strategies for Wind-Solar Power Stations Actively Supported by Hybrid-Energy Storage
摘要
Abstract
To address the problem of power and frequency changes caused by fluctuations in new energy output and load disturbances in wind and solar storage stations,a hybrid energy-storage(HES)-coordinated control strategy is proposed for multiple scenarios.First,a strategy for the power distribution of HES was proposed in response to the problem of excessive charging and discharging.This strategy adaptively adjusts the time constant of the low-pass filter using fuzzy control.Based on the state-of-charge(SOC)of the supercapacitor,it is divided into five regions,and each region adjusts the time constant in real-time based on the changes in SOC,ensuring the rationality of the charging and discharging of the supercapacitor to some extent.Second,to address the frequency issue of HES that actively supports wind-solar storage stations,virtual synchronous generator control is adopted for the HES inverter,and adaptive adjustments are made to the moment of inertia and damping coefficient to reduce the maximum frequency deviation caused by power disturbances in the system.Finally,a simulation model of the wind and solar storage station is built in PSCAD/EMTDC,and the effectiveness of the proposed strategy is verified by setting up multiple scenarios.关键词
风光储场站/混合储能/协调控制Key words
wind-solar storage power station/hybrid energy storage/coordinated control分类
信息技术与安全科学引用本文复制引用
赵燚,杨俊丰,庞建霞,范宏,朱董军,罗昊,徐勇杰..考虑混合储能主动参与风光储电站的功率分配与调频策略[J].电力建设,2024,45(7):144-155,12.基金项目
This work is supported by National Natural Science Foundation of China(No.52007112)and the Science and Technology Project of State Grid Jibei Electric Power Co.,Ltd."'New Energy+Energy Storage'Station-level Fast Frequency Control Technology and Demonstration Application"(No.520143220002). 国家自然科学基金项目(52007112) （No.52007112）
国网冀北电力有限公司科技项目"'新能源+储能'场站级快速频率控制技术及示范应用"(520143220002) （520143220002）
