新型ii型五电平机器人电机驱动变频器的运行分析

Proceedings of the 2019 International Conference on Robotics, Intelligent Control and Artificial Intelligence Pub Date : 2019-09-20 DOI:10.1145/3366194.3366329

Li Cheng, Lixue Zhu, Yanshen Hu

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引用次数: 0

摘要

介绍了一种新型的用于机器人电机驱动的单相ⅱ型五电平逆变器。采用反向耦合电感的拓扑结构，仅需4个有源功率开关即可实现5电平输出，适用于多电平功率反转。与用于电机伺服驱动系统的传统逆变器相比，降低了输出滤波电感的功率损耗和成本，提高了转换效率，改进了基本的多级逆变器拓扑结构。详细描述了正弦脉宽调制(SPWM)的工作场景。建立了仿真模型和样机，验证了SPWM调制策略下的多电平输出。

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Operation Analysis of a new II-Type 5-Level Inverter for Robot Motor Drive

A new single-phase II-type 5-level inverter for robot motor drive is presented in this paper. The topology with a reverse coupled inductor applies only four active power switches to achieve 5-level output, which is suitable for multilevel power inversion. Compared with traditional inverters used in motor servo drive system, the power loss and cost of the output filter inductor are reduced, and the conversion efficiency is enhanced, and the basic multi-level inverter topology are improved. The operation scenario with sinusoidal pulse width modulation (SPWM) is described in details. A simulation model and a prototype were built to verify the multilevel output under the SPWM modulation strategy.

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Proceedings of the 2019 International Conference on Robotics, Intelligent Control and Artificial Intelligence

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