铝点焊用储能脉冲负载电源

2017 5th IEEE Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE) Pub Date : 2017-11-01 DOI:10.1109/AIEEE.2017.8270553

Matīss Stunda

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引用次数: 1

摘要

提出并研究了一种用于大电流、低占空比脉冲负载的电源设计，特别是铝点焊逆变器。通过使用储能，电源设计的目标是输入电流随时间均匀分布，从而防止电网连接过尺寸，避免电网的瞬态应力。提出了一种用于控制电容器组充放电的变换器拓扑结构。通过Matlab Simulink仿真验证了其性能。组装并测试了电容放电变换器的缩小样机。实验结果表明，所选择的方法可以实现高能控制电容器放电。

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Pulsed load power supply with energy storage for aluminum spot welding

A power supply design has been suggested and examined for high current, low duty-cycle pulsed loads, specifically — aluminum spot welding inverters. Through the use of energy storage the power supply design aims at an input current that is equally distributed through time, thus preventing grid connection over-dimensioning and avoiding transient stresses to the grid. A converter topology has been proposed for controlled charging and discharging of a capacitor bank. The performance has been verified through simulation using Matlab Simulink. A scaled prototype of the capacitor discharge converter has been assembled and tested. Experimental results show that high energy controlled capacitor discharging is possible with the chosen methods.

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2017 5th IEEE Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE)

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