Proceedings of the KIPE Conference (전력전자학회:학술대회논문집)
- 2013.07a
- /
- Pages.471-472
- /
- 2013
The Study of Grid Fault Detection for Sag, Swell
Sag와 Swell에 따른 계통 이상 검출에 관한 연구
- Kim, Min-Gi (Sungkyunkwan University) ;
- Noh, Yong-Su (Sungkyunkwan University) ;
-
Kim, Jun-Gu
(Sungkyunkwan University)
;
-
Jung, Yong-Chae
(Namseoul University)
;
-
Won, Chun-Yuen
(Sungkyunkwan University)
- Published : 2013.07.02
Abstract
When ESS(Energy Storage System) is under normal operation, island situation can be occur because of grid accidents. When island operation occur, the system mode switches in to UPS(Uninterruptible Power Supply) mode to supply stabled load power. To decide island operation, checking grid magnitude or frequency is general. But regulation for sag and swell is required. In this paper, it proposes grid connection error detection algorithm for UPS operation when sag and swell occurs in grid, and analyzed by simulation.
Keywords