无刷直流电机驱动用三相逆变器的反相PWM驱动方案的自举电路运行分析

IF 1.7 Q2 Engineering

Canadian Journal of Electrical and Computer Engineering-Revue Canadienne De Genie Electrique et Informatique Pub Date : 2019-04-02 DOI:10.1109/CJECE.2019.2891850

Yongkeun Lee, Jongkwan Kim

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引用次数: 2

摘要

从理论上分析了一种用于操作无刷直流电机驱动的三相逆变器的高侧绝缘栅双极晶体管的自举电路，以通过最小化自举电容器（BSC）的放电来避免欠压锁定。与限制电动机速度/转矩的可控性的减少BSC放电的各种方法不同，所提出的反向PWM驱动方案在保持BSC的适当电压电平的同时对可控性没有限制。本文对该方法进行了实验验证。

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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Analysis of Bootstrap Circuit Operation With an Inverted PWM Drive Scheme for a Three-Phase Inverter for a Brushless DC Motor Drive

A bootstrap circuit for operating the high-side insulated-gate bipolar transistor of a three-phase inverter for a brushless dc motor drive is analyzed theoretically to avoid under voltage lockout by minimizing the discharge of a bootstrap capacitor (BSC). Unlike various methods of reducing the discharge of BSCs, which limits the controllability of the motor speed/torque, a proposed inverted PWM driving scheme has no limit to the controllability while maintaining the proper voltage level for a BSC. This method is verified experimentally in this paper.

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来源期刊

Canadian Journal of Electrical and Computer Engineering-Revue Canadienne De Genie Electrique et Informatique 工程技术-工程：电子与电气

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0.00%

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期刊介绍： The Canadian Journal of Electrical and Computer Engineering (ISSN-0840-8688), issued quarterly, has been publishing high-quality refereed scientific papers in all areas of electrical and computer engineering since 1976