무정전 결상 보상장치에 관한 연구A Study on the Uninterruptible Power Open Phase Compensation Device
- Other Titles
- A Study on the Uninterruptible Power Open Phase Compensation Device
- Authors
- 송영주; 오진택; 김나운; 신혜영
- Issue Date
- 2014
- Publisher
- 한국조명.전기설비학회
- Keywords
- Open phase; Compensation device; Power balance
- Citation
- 조명.전기설비학회논문지, v.28, no.8, pp.75 - 81
- Journal Title
- 조명.전기설비학회논문지
- Volume
- 28
- Number
- 8
- Start Page
- 75
- End Page
- 81
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/18412
- ISSN
- 1229-4691
- Abstract
- It has been widely accepted that open phase may separate one of the power lines from power supply which is mainly caused by fuse melting, malfunction for source circuit breaker, contact failure, and disconnection under normal operating conditions, and is considered a kind of failure mode during disconnection of neutral wires as well. When open phase occurs, unequal voltage between phase might happen in the unbalanced load connected each phase, and further, depending on conditions of load, malfunction by providing low voltage. Moreover, load could be burned or overheated with overvoltage, which, in turn, can be a contributor to starting fires. Accordingly, in order to clearly overcome these problems, the current study aims to introduce the theory of uninterruptible power open phase compensation device, meaning that unbalanced power automatically restores balanced power and provides continuously the power supply without blackout, and verify it through simulation and experiments.
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