LCL型逆变器的积分IDA-PBC控制策略

doi:10.12067/ATEEE2205006

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电工电能新技术 ›› 2023, Vol. 42 ›› Issue (2) : 1-11. DOI: 10.12067/ATEEE2205006

论文报告

LCL型逆变器的积分IDA-PBC控制策略

柴秀慧，张艳蕾，张迪，张纯江，赵晓君

作者信息 +

Integral IDA-PBC control strategy for LCL inverter

CHAI Xiuhui, ZHANG Yanlei, ZHANG Di, ZHANG Chunjiang, ZHAO Xiaojun

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摘要

本文基于LCL型逆变器采用互联和阻尼分配无源控制设计控制器，针对控制模型多变量相互耦合和控制结构复杂等问题，对互联和阻尼分配无源控制(IDA-PBC)模型进行等效处理，建立IDA-PBC的去耦等效控制模型，基于该模型提出了一种注入阻尼参数设计方法，推导计算注入阻尼的大小和范围；为了减小并网电流的稳态误差，在IDA-PBC的基础上引入积分控制器，并提出了一种积分IDA-PBC控制策略，动态调节时采用注入阻尼，稳态时采用积分控制，该控制策略兼顾了系统动静态性能，提高系统的全局稳定性。最后，经过实验证明了提出的参数设计方法的合理性以及改进控制策略的可行性。

Abstract

In this paper, the controller is designed based on the LCL inverter using interconnection and damping assignment passivity-based control. Aiming at the problems of multi-variable coupling of control model and complex control structure, the IDA-PBC control model is equivalently processed, and the decoupling equivalent control model of IDA-PBC is established. Based on this model, a design method of injection damping parameters is proposed, and the magnitude and range of injection damping are deduced and calculated. In order to reduce the steady-state error of the grid-connected current, an integral controller is introduced on the basis of IDA-PBC, and an integral IDA-PBC control strategy is proposed. The injection damping is used in the dynamic adjustment, and the integral control is used in the steady state. The control strategy takes into account the dynamic and static performance of the system and improves the overall stability of the system. Finally, the experiment proves the rationality of the proposed parameter design method and the feasibility of improving the control strategy.

导出引用

柴秀慧，张艳蕾，张迪，张纯江，赵晓君. LCL型逆变器的积分IDA-PBC控制策略[J]. 电工电能新技术, 2023, 42(2): 1-11 https://doi.org/10.12067/ATEEE2205006

CHAI Xiuhui, ZHANG Yanlei, ZHANG Di, ZHANG Chunjiang, ZHAO Xiaojun. Integral IDA-PBC control strategy for LCL inverter[J]. Advanced Technology of Electrical Engineering and Energy, 2023, 42(2): 1-11 https://doi.org/10.12067/ATEEE2205006

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基金

国家自然科学基金项目(51877187)

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2022-05-09	2023-02-23
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2023-03-07

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