UTILITY CAPACITOR SWITCHING AND ADJUSTABLE-SPEED DRIVES

被引：15

作者：

WAGNER, VE

STANIAK, JP

ORLOFF, TL

机构：

[1] Detroit Edison, Detroit, MI

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1991年 / 27卷 / 04期

关键词：

D O I：

10.1109/28.85477

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surges of less than 200% magnitude caused by utility capacitor bank switching can disrupt operation of adjustable-speed drives. PWM drives are more sensitive to surges because the drive transitors have lower overvoltage tolerance than SCR drives. This paper uses the results of a case study to analyze the circumstances of drives tripped by utility capacitor switching. It is shown that low loss utility capacitors increase the surge magnitude by decreasing system damping. Surge magnification is possible at buses remote from the capacitor, and the three conditions for magnification are described. It is also shown that drive sensitivity to the surge depends on whether the drive filter inductor is saturated by the surge.

引用

页码：645 / 651

页数：7

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IEEE SPECTRUM, 1989, 26 (08) :46-47

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