改进的多变量PPF控制器减轻lcl型滤波器在光伏孤岛微电网中的阻尼和交叉耦合效应

2020 2nd International Conference on Smart Power & Internet Energy Systems (SPIES) Pub Date : 2020-09-15 DOI:10.1109/SPIES48661.2020.9243077

Subarto Kumar Ghosh, Md. Rafiqul Islam Sheikh, S. Das, S. Muyeen, A. K. Sarkar, H. Pota

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引用次数: 0

摘要

针对太阳能孤岛微电网lcl滤波电压源逆变器，设计了一种改进的多输入多输出(MIMO)正位置反馈(PPF)控制器。该控制器是基于多输入多输出框架和模拟退火优化算法设计的。该控制器在阻尼、闭环带宽、跟踪和减少lc滤波太阳能逆变器单元的交叉耦合效应方面提供高性能。此外，所设计的控制器对由于滤波器参数和线路电感变化引起的lc滤波器谐振频率的变化具有鲁棒性。给出了开环和闭环系统的仿真结果，结果表明所提出的控制器对102.59 kW的太阳能孤岛微电网具有良好的控制性能。

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Improved Multivariable PPF Controller to Mitigate Damping and Cross Coupling Effects of LCL-Type Filter in PV Islanded Microgrids

An improved multi-input multi-output (MIMO) positive position feedback (PPF) controller is designed for LCL-filtered voltage source inverter of solar powered islanded microgrid. The proposed controller is designed based on multi-input multi-output framework and simulated annealing optimization algorithm. This controller provides high performance in terms of damping, closed-loop bandwidth, tracking and cross coupling effects reduction to the LCL-filtered solar powered inverter unit. Moreover, the designed controller is robust against the shift in resonance frequency of LCL-filter due to filter parameters and line inductance variations. Simulation results of open- and closed loop system are presented and the result show that the proposed controller provides high performance for a 102.59 kW solar powered islanded microgrid.

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2020 2nd International Conference on Smart Power & Internet Energy Systems (SPIES)

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