Abstract
The transformer inrush current can cause a voltage drop by source impedance. This current can impact sensitive loads by the voltage drop. Therefore, it is necessary to take measures to limit this inrush current. This study, described in this paper, analyzes the power quality affected by transformer inrush current using the X power system in Korea. The Electromagnetic Transients Program (EMTP) is used to analyze the transient phenomenon. We discuss a method to model the hysteresis curve of the transformer in EMTP. We carried out various simulations to analyze the power quality during transformer energization. The analysis results of voltage drop by the inrush current occurrence when certain requirements are met are presented.
| Original language | English |
|---|---|
| Pages (from-to) | 932-937 |
| Number of pages | 6 |
| Journal | Transactions of the Korean Institute of Electrical Engineers |
| Volume | 57 |
| Issue number | 6 |
| State | Published - Jun 2008 |
Keywords
- EMTP
- Jeju power system
- Power quality
- Transformer inrush current
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