Behavior of induction motor due to voltage sags and short interruptions

被引：49
作者：
Gomez, JC [1 ]
Morcos, MM
Reineri, CA
Campetelli, GN
机构：
[1] Rio Cuarto Natl Univ, Elect Power Syst Protect Inst, Cordoba, Argentina
[2] Kansas State Univ, Dept Elect & Comp Engn, Manhattan, KS 66506 USA
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2002年 / 17卷 / 02期
基金：
日本科学技术振兴机构;
关键词：
hot-load pickup; induction motor; motor reacceleration; power quality; short interruptions; voltage sags;
D O I：
10.1109/61.997914
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An experimental study and some calculations on induction motor behavior were carried out. The effects due to short interruptions and voltage sags were investigated. A standard three-phase squirrel-cage motor of 5.5 kW, 1500 r/min, and 380 V was used. The presence of induction motor changes the voltage sag waveform and duration. Protection characteristic curves and contactor ride-through capability together with their improvement are also studied. The interaction between motor load, system hot-load pickup, and voltage sag magnitude determine the motor re-acceleration duration and magnitudes. Besides, on-sag and post-sag currents can reach levels higher than the direct start values. Post-sag overcurrent duration can last more than twice the normal start time period, having specific energies in the same order of magnitude.
引用
收藏
页码：434 / 440
页数：7
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