Saturation in synchronous machines due to voltage sags

被引：0
|
作者：
Carlsson, F [1 ]
机构：
[1] Royal Inst Technol, Stockholm, Sweden
来源：
IEEE IEMDC'03: IEEE INTERNATIONAL ELECTRIC MACHINES AND DRIVES CONFERENCE, VOLS 1-3 | 2003年
关键词：
power quality; voltage sags; synchronous machine; simulations; modelling; saturation;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Voltage sags and voltage interruptions are huge power quality problems for many industries. Voltage sags cause apart from eventual tripping, flux saturation, which cause large currents. This paper illustrates how the stator flux in a synchronous machine changes during voltage sags. It is shown that for some voltage sags, there will be flux saturation. Flux saturation causes both large currents and torque; these may fasten the aging of the machine. A comparison is done with a model without saturation included. This study includes only three-phase symmetrical voltage sags.
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页码：1571 / 1575
页数：5
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