基于软件调制的全数字控制PWM逆变器，用于交流电机控制

[Proceedings] IECON '90: 16th Annual Conference of IEEE Industrial Electronics Society Pub Date : 1990-11-27 DOI:10.1109/IECON.1990.149274

J. Pedersen, P. Thogersen

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引用次数: 2

摘要

提出了一种采用软件调制的全数字控制脉宽调制(PWM)逆变器，适用于三相开闭环功率控制，特别是交流电机控制。逆变器是一个三相30kva电压源PWM逆变器，使用三个达灵顿模块，工作在1 kHz的开关频率。描述了计算机的电源电路、基本驱动电路、控制电路和接口，并涉及到保护和监控策略。介绍了基于软件的定子磁链定向异步矢量调制方法。给出了一些试验结果。该系统既适用于简单的开环应用，也适用于要求苛刻的带场定向控制的闭环伺服驱动

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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Fully digital-controlled PWM inverter with software based modulation for AC machine control

A fully digitally controlled PWM (pulsewidth-modulation) inverter is presented with software modulation suitable for three-phase open and closed-loop power control, particularly AC machine control. The inverter is a three-phase 30 kVA voltage source PWM inverter using triple Darlington modules, operating at a 1 kHz switching frequency. The power circuit, base drive circuit, control circuit, and interface for the computer are described and related to the protection and monitoring strategy. The software-based stator flux oriented asynchronous vector modulation is also described. Some test results are presented. The system is suitable for both simple open-loop applications and demanding closed-loop servo drives with field oriented control.<>

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来源期刊

[Proceedings] IECON '90: 16th Annual Conference of IEEE Industrial Electronics Society

CiteScore

1.40

自引率

0.00%

发文量