直流微电网中双有源全桥变换器改进超局部控制

MENG Xiangqi; ZHAO Zhicheng; ZHAO Pei; REN Chunguang; LI Jingkuan; YAN Laiqing

doi:10.13336/j.1003-6520.hve.20242009

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直流微电网中双有源全桥变换器改进超局部控制

更新时间：2026-09-16

- 直流微电网中双有源全桥变换器改进超局部控制
- Vol. 52, Issue 2, Pages: 684-693(2026)
- 作者机构：
  
  1. 山西大学电力与建筑学院,太原,030006
  2. 太原工业学院自动化系,太原,030008
  3. 电力系统运行与控制山西省重点实验室(太原理工大学),太原,030024
- 作者简介：
- 基金信息：
- DOI：10.13336/j.1003-6520.hve.20242009
  CLC：
- Published：2026
- 稿件说明：
移动端阅览
MENG Xiangqi, ZHAO Zhicheng, ZHAO Pei, et al. 直流微电网中双有源全桥变换器改进超局部控制[J]. 2026, 52(2): 684-693.
DOI：

MENG Xiangqi, ZHAO Zhicheng, ZHAO Pei, et al. 直流微电网中双有源全桥变换器改进超局部控制[J]. 2026, 52(2): 684-693. DOI： 10.13336/j.1003-6520.hve.20242009.

摘要

针对分布式电源和电动汽车等随机非线性负载大规模接入直流微电网带来的大扰动引发的电压稳定性问题，该文提出了一种双有源全桥变换器的超局部滑模控制策略。在超局部模型的基础上结合控制简单、鲁棒性强、动态性能好的滑模控制，采用幂次变速趋近律，设计了超局部滑模控制器。为精确观测超局部模型中的未知项，设计变速趋近律的滑模观测器进行实时估计。然后，应用Lyapunov 稳定性理论证明了所设计控制器的稳定性。最后，通过仿真和实验验证了所提控制策略的有效性和优越性，即加快调节速度、提高系统稳态性能并增强系统的鲁棒性。

Abstract

To solve the voltage stability problem caused by large disturbances caused by random nonlinear loads such as distributed power supply and electric vehicles connected to the DC microgrid

the ultra-local sliding mode control strategy of double-active-bridge converter is proposed in this paper. Based on the ultra-local model

combined with the sliding mode control with simple control

strong robustness and good dynamic performance

the ultra-local sliding mode controller is designed by using the power variable speed reaching law. Then

to accurately observe unknown terms in the model

a sliding mode observer with variable speed reaching law is designed for real-time estimation. Then

the Lyapunov stability theory is applied to prove the stability of the designed controller. Finally

the effectiveness and superiority of the proposed control strategy are verified by simulation and experiments

namely

speeding up the adjustment speed

improving the steady-state performance of the system

and enhancing the robustness of the system.

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