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http://dx.doi.org/10.7471/ikeee.2012.16.2.109

A Control System for Attenuating Voltage-Dip and Inrush Current Caused by Starting of Inductive Load Nnetwork  

Kim, Sang-Kon (Electronics and Information Engineering, Korea University)
Choi, In-Kyum (Computer Science and Engineering, Hanyang University)
Kim, Tae-Kon (Electronics and Information Engineering, Korea University)
Seo, Sung-Kyu (Electronics and Information Engineering, Korea University)
Publication Information
Journal of IKEEE / v.16, no.2, 2012 , pp. 109-115 More about this Journal
Abstract
We propose a control system consisted of TRIAC PWM module and sequential start control system attenuating voltage-dip and inrush current caused by starting of inductive load network. To minimize the high voltage-dip and inrush current induced from a large capacity inductive load, we developed a TRIAC PWM module. And we also developed a sequential start control system preventing simultaneous starting of the inductive loads within a same power network. According to the experimental results with the proposed control system, the voltage-dip and inrush current could be effectively attenuated such that they can meet the related international standards and resolve the issues associated with simultaneous starting of multiple inductive loads. By employing this system, power cost usually implemented by the estimation of peak power consumption can be reduced and the power quality of a power distribution system connected to the inductive load network can be stabilized efficiently.
Keywords
TRIAC PWM; sequential start control; flicker; voltage-dip; inrush current; soft-start;
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