Stabilization of Induction Motor with Fuzzy Controlled Floating DC Link Converter During Grid Voltage Disturbances

2022 IEEE 4th International Conference on Modern Electrical and Energy System (MEES) Pub Date : 2022-10-20 DOI:10.1109/MEES58014.2022.10005727

Majhar Pathan, S. Badave, Syed Imran Ali, Sriram Mishra

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Abstract

This paper introduces a floating DC link converter stabilizing a 3-ph induction motor during grid voltage imbalances created due to faults. The stator terminals of the machine are connected to grid and the rotor terminals are connected to VSI. The DC link side of the VSI is connected to a high value capacitor for voltage stabilization. This method of stabilization is only applicable for conditions of constant frequency operation which are generally fans or machines used for pumping. The purpose of this system is stabilization of induction motor during voltage disturbances without impact on load. For our consideration the 3-ph induction motor is induced with single line voltage sag and the stabilization is achieved using different controller schemes. The VSI is controlled with PI and FIS controllers determining the best controller doing a comparative analysis. The modelling of the test module with grid connected 3-ph induction motor and floating DC link stabilizing converter is done in MATLAB Simulink software.

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模糊控制浮动直流链变换器在电网电压扰动下对异步电动机的稳定

本文介绍了一种浮式直流链路变换器，在电网故障引起电压不平衡时稳定3-ph的感应电动机。定子端子接电网，转子端子接VSI。VSI的直流链路侧连接到高值电容器以稳定电压。这种稳定方法只适用于恒定频率运行的条件，通常是用于泵送的风扇或机器。该系统的目的是在电压扰动时稳定感应电动机而不影响负载。对于我们所考虑的3-ph的感应电动机是由单线电压跌落引起的，并且使用不同的控制器方案来实现稳定。用PI控制器和FIS控制器控制VSI，确定最佳控制器并进行比较分析。在MATLAB Simulink软件中对3-ph感应电机并网式浮动直流链路稳定变换器测试模块进行建模。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE 4th International Conference on Modern Electrical and Energy System (MEES)

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