NPC MLC无电流传感器控制中的干扰因素研究

2020 IEEE 14th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG) Pub Date : 2020-07-01 DOI:10.1109/CPE-POWERENG48600.2020.9161498

A. Suzdalenko, J. Zakis

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引用次数: 1

摘要

无电流传感器控制的实现使得消除电流的瞬时感知和控制回路中电流传感器的反馈成为可能。然而，上述类型的电流控制的性能在很大程度上取决于数学模型的精度和关键电路参数在不同干扰因素(如制造商公差、环境温度变化、老化等)下的稳定性。本文从定义的干扰因素论证了当前无传感器控制的脆弱性。利用PSIM软件进行了仿真分析。

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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Study of Disturbing Factors in Current Sensorless Control Applied to NPC MLC

Implementation of current sensorless control make it possible to eliminate instantaneous sensing of current and consequently feedback from current sensor in the control loop. However, the performance of mentioned type of current control strongly depends on precision of mathematical model and stability of crucial circuit parameters under different disturbing factors, like manufacturer tolerances, ambient temperature change, aging etc. This paper demonstrates vulnerability of the current sensorless control from the defined disturbing factors. The simulation analysis is performed by means of PSIM software.

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2020 IEEE 14th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG)

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