EN基于无源控制的光储直流微网虚拟惯性控制策略研究
Research on Virtual Inertial Control Strategy of DC Microgrid With Photovoltaic and Storage System Based on Passivity-based Control
- 发电技术 2021年42卷第5期 页码：576-584
- 作者机构：
1.北京信息科技大学自动化学院, 北京市 海淀区 100192
2.北京交通大学电气工程学院, 北京市 海淀区 100044
- 作者简介：
[ "杨继鑫(1995), 男, 硕士研究生, 研究方向为变换器非线性控制以及多变换器稳定性等, yjx95928@163.com" ]
王久和(1959), 男, 博士, 教授, 研究方向为电能变换器非线性控制、电能质量控制、微电网等, 本文通信作者, wjhyhrwm@163.com
[ "王勉(1985), 男, 博士研究生, 研究方向为新能源发电以及微电网控制等, 17117421@bjtu.edu.cn" ]
[ "王振业(1995), 男, 硕士研究生, 研究方向为多变换器系统稳定性等, 1032406102@qq.com" ]
- 基金信息：国家自然科学基金项目(51777012);北京市自然科学基金-教委联合资助项目(KZ201911232045)
DOI：10.12096/j.2096-4528.pgt.20080
中图分类号： TK01;TM76收稿：2020-09-08，
纸质出版：2021-10-31
- 稿件说明：
移动端阅览
杨继鑫, 王久和, 王勉, 等. 基于无源控制的光储直流微网虚拟惯性控制策略研究[J]. 发电技术, 2021,42(5):576-584.
Jixin YANG, Jiuhe WANG, Mian WANG, et al. Research on Virtual Inertial Control Strategy of DC Microgrid With Photovoltaic and Storage System Based on Passivity-based Control[J]. Power Generation Technology, 2021, 42(5): 576-584.
杨继鑫, 王久和, 王勉, 等. 基于无源控制的光储直流微网虚拟惯性控制策略研究[J]. 发电技术, 2021,42(5):576-584. DOI： 10.12096/j.2096-4528.pgt.20080.
Jixin YANG, Jiuhe WANG, Mian WANG, et al. Research on Virtual Inertial Control Strategy of DC Microgrid With Photovoltaic and Storage System Based on Passivity-based Control[J]. Power Generation Technology, 2021, 42(5): 576-584. DOI： 10.12096/j.2096-4528.pgt.20080.
摘要
为克服光储直流微网（DC microgrid with photovoltaic and storage system，DMPSS）易受功率波动和负载扰动影响的问题，提出VDCM+PBC策略，即在储能接口变换器的控制中电流内环采用无源控制（passivity-based control，PBC）策略，电压外环引入虚拟直流电机（virtual DC machine，VDCM）控制策略。仿真结果表明：与外环为VDCM、内环为PI控制策略（VDCM+PI）相比，VDCM+PBC策略可减小负载以及光伏输出功率变化时的母线电压波动，可更好地提高直流母线电压的稳定性，从而验证了所提VDCM+PBC策略的可行性。
Abstract
In order to overcome the susceptibility of DC microgrid with photovoltaic and storage system (DMPSS) to power fluctuations and load disturbances
a VDCM+PBC strategy was formed. That is
in the control of energy storage converter
a passivity-based control (PBC) was adopted in current-loop
and a virtual DC machine (VDCM) control strategy was introduced in voltage-loop. Simulation results show that
compared with the VDCM+PI strategy (i. e.
the voltage-loop is VDCM control and the current-loop is PI control)
the VDCM+PBC strategy can reduce the bus voltage fluctuations when the load and photovoltaic output power changes. The improved stability of DC bus voltage verifies the feasibility of the proposed VDCM+PBC strategy.
关键词
Keywords
references
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