低谐振频率LCL滤波器的无电网电压传感器控制

2017 1st Conference on PhD Research in Microelectronics and Electronics Latin America (PRIME-LA) Pub Date : 2017-02-01 DOI:10.1109/PRIME-LA.2017.7899175

R. Fantino, C. Busada, J. Solsona

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引用次数: 1

摘要

提出了一种LCL并网电压源逆变器的无电压传感器控制策略。使用观测器估计用于同步的正、负网格序列。系统的控制是通过一种策略来实现的，该策略允许使用比例加谐振调节器(PR)优化设计，而不考虑滤波器的谐振频率。通过一个实际场景的仿真验证了该方案的有效性。

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Grid-voltage sensorless control of an LCL filter with low resonance frequency

A Grid-Voltage sensorless control strategy for LCL Grid-connected voltage source inverters is proposed. Positive and negative grid sequences used for synchronization are estimated using an observer. The control of the system is implemented with a strategy that allows the use of the proportional plus resonant regulator (PR) optimum design, regardless of the filter resonance frequency. The effectiveness of the proposal is demonstrated by simulation in a realistic scenario.

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来源期刊

2017 1st Conference on PhD Research in Microelectronics and Electronics Latin America (PRIME-LA)

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